FAZELI, M., ASHER, G.M., KLUMPNER, C., YAO, L. and BAZARGAN, M., 2012. Novel Integration of Wind Generator-Energy Storage Systems Within Microgrids IEEE Transactions on Smart Grids. 10 AREERAK, K., BOZHKO, S., ASHER, G., DE LILLO, L. and THOMAS, D., 2012. Stability Study for a Hybrid AC-DC More-Electric Aircraft Power System IEEE Transactions on Aerospace and Electronic Systems. 48(1), 329 - 347 HUA, Y., SUMNER, M., ASHER, G., GAO, Q. and SALEH, K., 2011. Improved sensorless control of a permanent magnet machine using fundamental pulse width modulation excitation IET Electric Power Applications. 5(4), RASHED, MOHAMED, KLUMPNER, CHRISTIAN and ASHER, GREG, 2011. Power losses evaluation of three multilevel converter topologies for direct interface with medium voltage grids In: EPE 2011.
JING LI, SUMNER, M., ARELLANO-PADILLA, J. and ASHER, G., 2011. Operating limits for drive condition monitoring using supply current signature analysis In: 2011 IEEE International Electric Machines & Drives Conference (IEMDC).
RASHED, MOHAMED, KLUMPNER, CHRISTIAN and ASHER, GREG, 2011. Control scheme for a single phase hybrid multilevel converter using repetitive and resonant control approaches In: EPE 2011.
KULSANGCHAROEN, PONGGORN, KLUMPNER, CHRISTIAN, RASHED, MOHAMED and ASHER, GREG, 2011. Evaluation of a flyback regenerative voltage equalisation circuit for series-connected supercapacitor stacks In: EPE 2011.
OKE. O. A., THOMAS, D. W. P. and ASHER, G., 2011. A New Probabilistic Load Flow Method for Systems with Wind Penetration In: Proceedings of IEEE PES Trondheim PowerTEch 2011, 19th - 23rd June, Trondheim, Norway..
YANG, TAO, BOZHKO, SERHIY and ASHER, GREG., 2011. Assessment of dynamic phasors modelling technique for accelerated electric power system simulations In: EPE 2011.
FAZELI, M., ASHER, G.M., KLUMPNER, C. and LIANGZHONG YAO, 2011. Novel Integration of DFIG-Based Wind Generators Within Microgrids IEEE Transactions on Energy Conversion. 26(3), AREERAK, K-N., WU, T., BOZHKO, S. V., ASHER, G. M. and THOMAS, D. W. P., 2011. Aircraft Power System Stability Study Including Effect of Voltage Control and Actuators Dynamic IEEE Transactions on Aerospace and Electronic Systems. 47(4), 2574-2589
SHATTOCK, NICHOLAS, KLUMPNER, CHRISTIAN and ASHER, GREG, 2011. DC-AC inverter based on a Cycloconverter output stage with active filter for peak power reduction in transformer and switches In: EPE 2011.
PROBABILISTIC LOAD FLOW FOR DISTRIBUTION SYSTEMS WITH WIND PRODUCTION USING UNSCENTED TRANSFORM METHOD, 2011. Oke, O.A. ; Thomas, D.W.P. ; Asher, G.M. ; de Menezes, L.R.A.X In: 2011 IEEE PES Innovative Smart Grid Technologies (ISGT), 17-19 Jan.
HASSAN, OMAR ABU, KLUMPNER, CHRISTIAN and ASHER, GREG, 2011. Design considerations for core material selection and operating modes for a high frequency transformer used in an isolated DC/DC converter In: EPE 2011.
SALEH, K., SUMNER, M., ASHER, G. and GAO, Q, 2010. Sensorless control of high power induction motors using multilevel converters In: PEMD 2010.
KULSANGCHAROEN, P., KLUMPNER, C., RASHED, M. and ASHER, G., 2010. Characterization of Energy Storage Devices for Constant Power Applications In: IECON2010.
RASHED, M., KLUMPNER, C. and ASHER, G., 2010. Hybrid cascaded multilevel converter with integrated series Active Power Filter for interfacing energy storage system to medium voltage grid In: Power Electronics Conference (IPEC), 2010 International, 21-24 June 2010.
LI, J., SUMNER, M., ARELLANO-PADILLA, J. and ASHER, G., 2010. CONDITION MONITORING FOR MECHANICAL FAULTS IN MOTOR DRIVE SYSTEMS USING THE RECIFIER INPUT CURRENTS In: PEMD 2010.
RASHED, M., KLUMPNER, C. and ASHER, G., 2010. High Performance Multilevel Converter Topology for Interfacing Energy Storage In: IECON 2010.
CAO, W., ASHER, G.M., HUANG, X., ZHANG, H., FRENCH, I., ZHANG, J. and SHORT, M., 2010. Calorimeters and Techniques Used for Power Loss Measurements in Electrical Machines IEEE Instrumentation & Measurement Magazine. 13(6), BOZHKO, S. V., WU, T., ASHER, G. M. and WHEELER, P. W., 2010. Accelerated functional-level modeling of more-electric aircraft electrical power system In: Electrical Systems for Aircraft, Railway and Ship Propulsion.
SALEH, K., SUMNER, M., QIANG, G. and ASHER, G, 2010. A novel technique for sensorless control of high power induction motors using multilevel converters In: ECCE 2010.
WU, T., BOZHKO, S.V., ASHER, G.M. and THOMAS, D.W., 2010. FAST FUNCTIONALMODELLING OF THE AIRCRAFT POWER SYSTEM INCLUDING LINE FAULT SCENARIOS In: PEMD 2010.
KULSANGCHAROEN, P., KLUMPNER, C., ZHOU, X.H., PENG, C., CHEN, G.Z., RASHED, M. and ASHER, G, 2010. Efficiency evaluation of a novel supercapattery stack witha power electronic interface for energy storage systems In: PCIM 2010, 4-6 May, Nuremberg, Germany.
KULSANGCHAROEN, P., KLUMPNER, C. and RASHED, M, 2010. A NEW DUTY CYCLE BASED EFFICIENCY ESTIMATION METHOD FOR A SUPERCAPACITOR STACK UNDER CONSTANT POWER OPERATION In: PEMD 2010.
FAZELI, M., ASHER, G., KLUMPNER, C., YAO, L., BAZARGAN, M. and PARASHAR, M., 2010. Novel Control Scheme for Wind Generation with Energy Storage supplying a given Demand Power In: EPE-PEMC 2010.
RAUTE, R., CARUANA, C., STAINES, C.S., CILIA, J., SUMNER, M. and ASHER, G.M., 2010. Sensorless Control of Induction Machines at Low and Zero Speed by Using PWM Harmonics for Rotor-Bar Slotting Detection IEEE Transactions on Industry Applications. 46(5), 1989-1998 WU. T., BOZHKO, S. and ASHER, G., 2010. High-Speed Modeling Approach of Aircraft Electrical Power Systems Covering both Un-Faulted and Faulted Scenarios In: ISIE 2010.
RAUTE, R., CARUANA, C., STAINES, C.S., CILIA, J., SUMNER, M. and ASHER, G.M., 2010. Analysis and Compensation of Inverter Nonlinearity Effect on a Sensorless PMSM Drive at Very Low and Zero Speed Operation IEEE Transactions on Industrial Electronics. 57(12), 4065-4074 BOZHKO, S., WU, T., HILL, C.I. and ASHER, G.M., 2010. Accelerated Simulation of Complex Aircraft Electrical Power System under Normal and Faulty Operational Scenarios In: IECON 2010.
BOZHKO, S., WU. T., TAO, Y. and ASHER, G.M., 2010. More-Electric Aircraft Electrical Power System Accelerated Functional Modeling In: EPE-PEMC 2010.
ORTEGA, C., ARIAS, A., CARUANA, C., BALCELLS, J. and ASHER, G.M., 2010. Improved Waveform Quality in the Direct Torque Control of Matrix-Converter-Fed PMSM Drives IEEE Transactions on Industrial Electronics. 57(6), 2101-2110 AREERAK, K., BOZHKO, S., DE LILLO, L., ASHER, G., THOMAS, D., WATSON, A. and WU, T., 2009. The Stability Analysis of AC-DC Systems Including Actuator Dynamics for Aircraft Power Systems In: EPE 2009.
SALEH, K., ASHER, G., SUMNER, M., TOMASINI, M. and GAO, Q., 2009. Low Speed Sensorless Control of an Induction Motor Fed by Multilevel Converter to Reduce Current Distortion In: EPE 2009.
GAO, Q., ASHER, G. M., SUMNER, M. and EMPRINGHAM, L, 2009. Position Estimation of a Matrix-Converter-Fed AC PM Machine From Zero to High Speed Using PWM Excitation IEEE Transactions on Industrial Electronics. 56(6), FAZELI, M., ASHER, G., KLUMPNER, C., BOZHKO, S., YAO, L. and BAZARGAN, M., 2009. Wind Turbine-Energy Storage Control System for Delivering Constant In: EPE 2009.
GAO, Q., HUA, Y., SUMNER, M. and ASHER, G, 2009. Comparison of Two Sensorless Permanent Magnet Synchronous Motor Drives In: EPE 2009.
CARDENAS, R., PENA, R., TOBAR, G., CLARE, J., WHEELER, P. and ASHER, G., 2009. Stability Analysis of a Wind Energy Conversion System Based on a Doubly Fed Induction Generator Fed by a Matrix Converter IEEE Transactions on Industrial Electronics. 56(10), 4194-4206 RASHED, M., KLUMPNER, C. and ASHER, G, 2009. Modulation strategy for cascaded multilevel converter for 11kV power distribution system In: MEPCON 2009, 20-23 Dec, Egypt.
WU, T., BOZHKO, S.V., ASHER, G.M. and THOMAS, D.W.P, 2009. A fast dynamic phasor model of autotransformer rectifier unit for more electric aircraft In: IECON '09. 35th Annual Conference of IEEE Industrial Electronics. 2531-2536
CARDENAS, R., PENA, R., WHEELER, P., CLARE, J. and ASHER, G, 2009. Control of the Reactive Power Supplied by a WECS Based on an Induction Generator Fed by a Matrix Converter IEEE Transactions on Industrial Electronics. 56(2), 429-438 HUA, Y., SUMNER, M., ASHER, G. and GAO, Q., 2009. Sensorless Control for a PM Machine with Reduced Current Distortion using Space Vector PWM Excitation In: EPE 2009.
WU, T., BOZHKO, S.V., ASHER, G.M. and THOMAS, D.W.P, 2009. Accelerated functional modeling of aircraft electrical power systems including fault scenarios In: IECON '09. 35th Annual Conference of IEEE Industrial Electronics. 2537-2544
OHYAMA, K., ASHER, G. and SUMNER, M., 2009. Low speed and regenerating operation of sensorless vector control system of induction motor using observer gain tuning and high frequency injection technique In: 13th European Conference on Power Electronics and Applications, 2009. EPE '09..
KLUMPNER, C. and ASHER, G, CHEN, C.Z., 2009. Selecting the Power Electronic Interface for a Supercapattery Based Energy Storage System In: IEEE Bucharest Power Tech Conference.
QIANG GAO, ASHER, G. and SUMNER, M., 2009. Wide-speed range sensorless control of an AC PM motor using the PWM waveform of a matrix converter and without di/dt sensors In: IECON '09. 35th Annual Conference of IEEE Industrial Electronics.
ASHER, G. and CHAKRABORTY, C., 2009. Guest Editorial IEEE Transactions on Industrial Electronics. 56(10), 4141-4142
ASHER, G., CECATI, C., CIRSTEA, M. N. and MONMASSON, E., 2009. Guest Editorial IEEE Transactions on Industrial Electronics. 56(10), 3995-3997
ORTEGA, C, ARIAS, A, CARUANA, C, BALCELLS, J and ASHER, G, 2009. Improved Waveform Quality in the Direct Torque Control of Matrix Converter-Fed PMSM Drives IEEE Transactions on Industrial Electronics. PP(99),
FAZELI, M., BOZHKO, S.V., ASHER, G.M. and YAO, L, 2008. Voltage and frequency control of offshore DFIG-based wind farms with line commutated HVDC connection In: PEMD 2008. 4th IET Conference on Power Electronics, Machines and Drives, 2008.. 335-339 (In Press.)
AREERAK, K.N., BOZHKO, S.V., ASHER, G.A. and THOMAS, D.W.P., 2008. Stability Analysis and Modelling of AC-DC System With Mixed Load Using DQ-Transformation Method In: 2008 IEEE International Symposium on Industrial Electronics ISIE'08. 19-24
GAO, Q., ASHER, G. M. and SUMNER, M, 2008. Zero speed position estimation of a matrix converter fed AC PM machine using PWM excitation In: Power Electronics and Motion Control Conference, 2008. EPE-PEMC 2008. 2261-2268
JOHNSON, C.M, CLARE, J. and ASHER, G, 2008. Challenges for Power Electronics in Future Electricity Networks In: International Conference and Exhibiotion on High Temperature Electronics (HiTEC 2008). 133-140
CARDENAS, R., PENA, R., RUIZ, J., CLARE, J., WHEELER, P. and ASHER, G., 2008. Control of a Wind Energy Conversion System based on an induction generator fed by a matrix-converter In: PESC 2008. IEEE Power Electronics Specialists Conference, 2008. 2711-2716
RAUTE, R., CARUANA, C., SPITERI STAINES, C., CILIA, J., SUMNER, M. and ASHER, G., 2008. Inverter Non-linearity Effects on a Sensorless PMSM Drive Without Additional Test Signal Injection and Zero Speed Operation In: 2008 IEEE International Symposium on Industrial Electronics ISIE'08. 552-557
GAO, Q., ASHER, G.M. and SUMNER, M., 2008. Position estimation of a surface mounted permanent magnet synchronous motor controlled by a three-phase matrix converter using the space vector PWM waveform In: PEMD 2008. 4th IET Conference on Power Electronics, Machines and Drives, 2008.. 275-279 (In Press.)
CARDENAS, R., PENA, R., TOBAR, G., BLASCO-GIMENEZ, R., WHEELER, P., ASHER, G. and CLARE, J., 2008. Analytical and Experimental Evaluation of a WECS Based on a Doubly Fed Induction Generator Fed by a Matrix Converter In: 2008 IEEE International Symposium on Industrial Electronics ISIE'08. 2438-2443
CARDENAS, ROBERTO, PENA, RUBEN, PROBOSTE, JOSE, ASHER, GREG, CLARE, JON and WHEELER, PAT, 2008. MRAS Observers for sensorless control of doubly-fed induction generators In: PEMD 2008. 4th IET Conference on Power Electronics, Machines and Drives, 2008.. 568-572 (In Press.)
BOZHKO, S., ASHER, G., RISHENG LI, CLARE, J., LIANGZHONG YAO and , 2008. Large Offshore DFIG-Based Wind Farm With Line-Commutated HVDC Connection to the Main Grid: Engineering Studies IEEE Transaction on Energy Conversion. 23(1), 119-127 AREERAK, K-N, BOZHKO, S.V., ASHER, G.M. and THOMAS, D.W.P, 2008. DQ-transformation approach for modelling and stability analysis of AC-DC power system with controlled PWM rectifier and constant power loads In: Power Electronics and Motion Control Conference, 2008. EPE-PEMC 2008. 2049-2054
CARDENAS, R., PENA, R., CLARE, J., ASHER, G., PROBOSTE, J. and , 2008. MRAS Observers for Sensorless Control of Doubly-Fed Induction Generators IEEE Transactions on Power Electronics. 23(3), 1075-1084 WU, T., BOZKHO, S., ASHER, G., WHEELER, P. and THOMAS, D., 2008. Fast Reduced Functional Models of Electromechanical Actuators for More-Electric Aircraft Power System Study In: SAE, 11-13 Nov 2008.
LI, R., BOZHKO, S., ASHER, G. and , 2008. Frequency Control Design for Offshore Wind Farm Grid With LCC-HVDC Link Connection IEEE Transactions on Power Electronics. 23(3), 1085-1092 RAUTE, REIKO, CARUANA, CEDRIC, CILIA, JOSEPH, STAINES, CYRIL SPITERI, SUMNER, MARK and ASHER, GREG, 2008. Impedance saliency detection for sensorless control of AC machines utilizing existing PWM switching harmonics In: PEMD 2008. 4th IET Conference on Power Electronics, Machines and Drives, 2008.. 557-561 (In Press.)
PENA, R., CARDENAS, R., PROBOSTE, J., CLARE, J., ASHER, G. and , 2008. Wind–Diesel Generation Using Doubly Fed Induction Machines IEEE Transaction on Energy Conversion. 23(1), 202-214
RAUTE, REIKO, CARUANA, CEDRIC, STAINES, CYRIL SPITERI, CILIA, JOSEPH, SUMNER, MARK and ASHER, GREG, 2008. Operation of a sensorless PMSM drive without additional test signal injection In: PEMD 2008. 4th IET Conference on Power Electronics, Machines and Drives, 2008.. 616-620 (In Press.)
RAUTE, R., CARUANA, C., STAINES, C.S., CILIA, J., SUMNER, M. and ASHER, G., 2008. Sensorless Control of Induction Machines by Using PWM Harmonics for Rotor Bar Slotting Detection In: Industry Applications Society Annual Meeting, 2008.. 1-8
KAZUHIRO OHYAMA,, ASHER, GREG and SUMNER, MARK, 2008. Experimental performance evaluation for low speed and regenerating operation of sensor-less vector control system of induction motor using observer gain tuning In: Power Electronics and Motion Control Conference, 2008. EPE-PEMC 2008.. 2300-2305
PEA, R., CERDENAS, R., PROBOSTE, J., ASHER, G., CLARE, J. and , 2008. Sensorless Control of Doubly-Fed Induction Generators Using a Rotor-Current-Based MRAS Observer IEEE Transactions on Industrial Electronics. 55(1), 330-339 SHAPOVAL, I., PERESADA, S., ASHER, G. and CLARE, J., 2008. Torque and Reactive Power Control of Doubly-Fed Induction Machine with Matrix Converter In: 2008 IEEE International Symposium on Industrial Electronics ISIE'08. 2469-2474
CARDENAS, ROBERTO, PENA, RUBEN, PROBOSTE, JOSE, ASHER, GREG, CLARE, JON and WHEELER, PAT, 2008. mpedance saliency detection for sensorless control of AC machines utilizing existing PWM switching harmonics In: Power Electronics, Machines and Drives, 2008. PEMD 2008. 4th IET Conference on. 568-572 (In Press.)
GAO, Q., ASHER, G.M., SUMNER, M. and MAKYŠ, P., 2007. Position estimation of AC machines over a wide frequency range based on space vector PWM excitation IEEE Transactions on Industry Applications. 43(4), 1001-1011 GERADA, C., BRADLEY, K., SUMNER, M., ASHER, G. and ARELLANO-PADILLA, J, 2007. Permanent Magnet Synchronous machines for Saliency-based, Self-Sensored Motion Control In: 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007. IECON 2007. 1038-1043 ARIAS, A., EMPRINGHAM, L., ASHER, G. M., WHEELER, P. W., BLAND, M., APAP, M., SUMNER, M. and CLARE, J. C., 2007. Elimination of Waveform Distortions in Matrix Converters Using a New Dual Compensation Method: Industrial Electronics, IEEE Transactions on Industrial Electronics, IEEE Transactions on. 54(4), 2079-2087 BOZHKO, S. V., BLASCO-GIMNEZ, R. V., LI, R., CLARE, J. C. and ASHER, G. M., 2007. Control of Offshore DFIG-Based Wind Farm Grid With Line-Commutated HVDC Connection Energy Conversion, IEEE Transaction on. 22, 71-78 LI, R., BOZHKO, S.V., ASHER, G.M., YAO, L. and RAN, L, 2007. Offshore grid frequency control design for line-commutated converters high-voltage direct-current link connected wind farms IET Renewable Power Generation. 1(4), 211-219 BLASCO-GIMENEZ, R., BOZHKO, S., RISHENG LI, ASHER, G. and CLARE, J, 2007. Modelling and control of distant off-shore wind farms based on synchronous generators In: Industrial Electronics Society, 2007. IECON 2007. 33rd Annual Conference of the IEEE. 1121-1126
LI, R., BOZHKO, S.V. and ASHER, G.M, 2007. Grid Frequency Control for LCC HVDC Link Connected Wind Farms In: 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007. IECON 2007. 1673-1678
LI, R., BOZHKO, S.V., ASHER, G.M., YAO, L. and , 2007. Grid frequency control design for offshore wind farms with naturally commutated HVDC link connection In: 2007 European Conference on Power Electronics and Applications. 1-10
YAHAN HUA, ASHER, G.M., SUMNER, M. and QIANG GAO, 2007. Sensorless Control of Surface Mounted Permanent Magnetic Machine Using the Standard Space Vector PWN In: 42nd IAS Annual Meeting. Conference Record of the 2007 IEEE Industry Applications Conference, 2007. 661-667
SILVA, C., ASHER, G.M. and SUMNER, M., 2006. Hybrid rotor position observer for wide speed-range sensorless PM motor drives including zero speed IEEE Transactions on Industrial Electronics. 53(2), 373-378 STAINES, C.S., ASHER, G.M. and SUMNER, M, 2006. Rotor-position estimation for induction machines at zero and low frequency utilizing zero-sequence currents IEEE Transactions on Industry Applications. 42(1), 105-112 CÁRDENAS, R., PEÑA, R., M. PÉREZ, CLARE, J., ASHER, G. and WHEELER, P., 2006. Power Engineering Letters IEEE Transactions on Energy Conversion. 21, 294-295 ARIAS,A., SILVA, C.A., ASHER, G.M., CLARE, J.C. and WHEELER, P.W., 2006. Use of a matrix converter to enhance the sensorless control of a surface-mount permanent-magnet AC motor at zero and low frequency Industrial Electronics, IEEE Transactions on. 53(2), 440-449 BOZHKO, S., BLASKO-GIMENEZ, R., LI, RISHENG, CLARE, J. C. and ASHER, G. M., 2006. Control of Offshore DFIG-based Wind Farm Grid with Line-Commutated HVDC Connection In: 12th International Power Electronics and Motion Control Conference,. 1563-1568
CARDENAS, R., PENA, R., PEREZ, M., CLARE, J. C., ASHER, G. M. and WHEELER, P. W., 2006. Power smoothing using a switched reluctance machine driving a flywheel Energy Conversion, IEEE Transaction on. 21(1), 294-295 LI, RISHENG, BOZHKO, S., ASHER, G. M., CLARE, J. C., YAO, LIANGZHONG and SASSE, C., 2006. Grid Frequency Control Design for Offshore Wind Farms with Naturally Commutated HVDC Link Connection In: Industrial Electronics, 2006 IEEE International Symposium on,. 1595-1600
ARELLANO-PADILLA, J., ASHER, G. M. and SUMNER, M., 2006. Control of an AC Dynamometer for Dynamic Emulation of Mechanical Loads With Stiff and Flexible Shafts Industrial Electronics, IEEE Transactions on. 53, 1250-1260 CARDENAS, R., PENA, R., PEREZ, M., CLARE, J., ASHER, G. and WHEELER, P., 2006. Power Smoothing Using a Flywheel Driven by a Switched Reluctance Machine Industrial Electronics, IEEE Transactions on. 53, 1086-1093 GAO, Q, ASHER, G.M., SUMNER, M. and MAKYS, P., 2006. Sensorless Control of Induction Machines, including Zero Frequency using only Fundamental PWM Excitation In: 32nd Annual Conference on IEEE Industrial Electronics, IECON 2006. 793-798
SALTIVERI, D., ARIAS, A., ASHER, G. M., SUMNER, M., WHEELER, P. W., EMPRINGHAM, L., SILVA, C. A. and , 2006. Sensorless Control of Surface Mounted Permanent Magnet Synchronous Motors using Matrix Converters. Electrical Power Quality and Utilisation (Poland). 12(1), 75-83
OHYAMA, K., HAMAOKA, T., ASHER, G. M. and SUMNER, M., 2006. Stability Improvement of Sensorless Vector Control System of Induction Motor Using Real Time Tuning of Adaptive Rotor Flux Observer Gain In: Industrial Electronics, 2006 IEEE International Symposium on,. 2134-2139
BOZHKO, S., LI, R., BLASCO-GIMENEZ, R., ASHER, G. M., CLARE, J. C., YAO, L., SASSE, C. and , 2006. STATCOM-controlled HVDC Power Transmission for Large Offshore Wind Farms: Engineering Issues In: IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics. 4219-4224
CARDENAS, R., PENA, R., PEREZ, M., CLARE, J., ASHER, G. and VARGAS, F., 2006. Vector Control of Front-End Converters for Variable-Speed Wind–Diesel Systems Industrial Electronics, IEEE Transactions on. 53, 1127-1136
MAKYS, P., ASHER, G., SUMNER, M., GAO, QIANG and VITTEK, J., 2006. Shaft Sensorless Speed Control of Induction Motor Drive In: 12th International Power Electronics and Motion Control Conference,. 337-342
MAKYS, P., ASHER, G.M., SUMNER, M., GAO, Q. and VITTEK, J, 2006. A low memory disturbance elimination method for sensorless control of induction motor drive using test vector injection In: 32nd Annual Conference on IEEE Industrial Electronics, IECON 2006. 1071-1076
GAO Q and ASHER G M, SUMNER M AND MAKYŠ, P, 2006. Position Estimation of AC Machines at all Frequencies using only Space Vector PWM based Excitation In: Power Electronics, Machines and Drives, Dublin, Ireland, Mar 2006. 61-70 (In Press.)
AMIRULDDIN, U.A.U., ASHER, G.M., SEWELL, P. and BRADLEY, K.J., 2005. Dynamic field modelling of torque and radial forces in vector-controlled induction machines with bearing relief IEE Proceedings. Electric Power Applications. 152(4), 894-904 CARDENAS, R., PENA, R., PROBOSTE, J., ASHER, G. and CLARE, J., 2005. MRAS observer for sensorless control of standalone doubly fed induction generators IEEE Transactions on Energy Conversion. 20(4), 710-718 ARIAS, A., ASHER, G. M., SUMNER, M., WHEELER, P., EMPRINGHAM, L. and SILVA, C., 2005. Sensorless control of permanent magnet synchronous motor using matrix converters In: IEEE Compatibility in Power Electronics. 46-52
GAO, Q., ASHER, G. and SUMNER, M., 2005. Sensorless position and speed control of induction motors using high frequency injection and without off-line pre-commissioning In: Industrial Electronics Society, 2005.IECON 2005.31st Annual Conference of IEEE,. 6
GAO, Q., STAINES, C. S., ASHER, G. M. and SUMNER, M., 2005. Encoderless Operation of Induction Motor using a MRAS Observer with Zero Drift Feedback Integrator In: Electric Machines and Drives, 2005 IEEE International Conference on,. 2002-2005
CARDENAS, R., PENA, R., PEREZ, M., ASHER, G., CLARE, J. and WHEELER, P., 2005. Power Smoothing Using a Flywheel Driven by a Switched Reluctance Machine In: Power Electronics Specialists Conference, 2005.PESC '05.IEEE 36th,. 2943-2948
CARDENAS, R., PENA, R., PEREZ, M., CLARE, J., ASHER, G. and WHEELER, P., 2005. Control of a switched reluctance generator for variable-speed wind energy applications Energy Conversion, IEEE Transaction on. 20, 781-791 GERADA, C., BRADLEY, K., SUMNER, M. and ASHER, G., 2005. Non-linear dynamic modelling of vector controlled PM synchronous machines In: Power Electronics and Applications, 2005 European Conference on,. 10
OHYAMA, K., ASHER, G. M. and SUMNER, M., 2005. Comparative analysis of experimental performance and stability of sensorless induction motor drives Industrial Electronics, IEEE Transactions on. 53, 178-186 GAO, QIANG, SPITERI, C. S., ASHER, G. M. and SUMNER, M., 2005. Sensorless speed operation of cage induction motor using zero drift feedback integration with MRAS observer In: Power Electronics and Applications, 2005 European Conference on,. 9
CARDENAS, R., PENA, R., PEREZ, M., VARGAS, F., ASHER, G. and CLARE, J., 2005. Power balancing in variable speed wind-energy systems using vector control of front-end converters In: Industrial Electronics Society, 2005.IECON 2005.31st Annual Conference of IEEE,. 6
STAINES, C. S., CARUANA, C., ASHER, G. M. and SUMNER, M., 2005. Sensorless control of induction Machines at zero and low frequency using zero sequence currents Industrial Electronics, IEEE Transactions on. 53, 195-206 CARDENAS, R., PEÑA, R.S., PEREZ, M., CLARE, J.C., ASHER, G.M. and WHEELER, P.W., 2005. Control of a Switched Reluctance Generator for Variable-Speed Wind Energy Applications IEEE Transactions on Energy Conversion. 20, 781 - 791 PENA, R., CARDENAS, R., PROBOSTE, J., ASHER, G. and CLARE, J., 2005. Sensorless Control of a Slip Ring Induction Generator based on Rotor Current MRAS Observer In: Power Electronics Specialists Conference, 2005.PESC '05.IEEE 36th,. 2508-2513
SALTIVERI, D., ASHER, G., SUMNER, M., ARIAS, A. and ROMERAL, L., 2005. Application of the matrix converter for the sensorless position control of permanent magnet AC machines using high frequency injection In: Power Electronics and Applications, 2005 European Conference on,. 10
PENA, R., CARDENAS, R., PROBOSTE, J., CLARE, J. and ASHER, G., 2005. A hybrid topology for a variable speed wind-diesel generation system using wound rotor induction machines In: Industrial Electronics Society, 2005.IECON 2005.31st Annual Conference of IEEE,. 6
STAINES, C. S., CARUANA, C., TESKE, N., CILIA, J. and ASHER, G. M., 2005. Sensorless speed, position and torque control using AC machine saliencies In: Electric Machines and Drives, 2005 IEEE International Conference on,. 1392-1399
CARDENAS, R., PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 2005. Power Smoothing Using a Flywheel Driven by a Switched Reluctance Machine IEEE Transactions IES. CARDENAS, R., PENA, R., ASHER, G., CLARE, J. and BLASCO-GIMENEZ, R., 2004. Control strategies for power smoothing using a flywheel driven by a sensorless vector-controlled induction machine operating in a wide speed range IEEE Transactions on Industrial Electronics. 51(3), 603 - 614 ARIAS, A., ASHER, G.M., SUMNER, M., WHEELER, P.W. and EMPRINGHAM, L., 2004. Application of the Matrix Converter for the Sensorless Control of a Permanent Magnet AC Machines using High Frequency Injection In: IEEE IECON.
ARIAS, A., EMPRINGHAM, L., ASHER, G.M., WHEELER, P.W. and SUMNER, M., 2004. Elimination of Current Distortion in Matrix Converter Through a New Dual Compensation Method IEEE Transactions IES.
BOZHKO, S.V., CLARE, J.C. and ASHER, G.M., 2004. A New Power Electronic Converter Control Approach to Power System Damping in Distributed Generation Grids In: PESC 04: 2004 IEEE 35TH ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE. 3221 - 3226
CARDENAS, R., PEÑA, R., PEREZ, M., ASHER, G., CLARE, J. and WHEELER, P., 2004. Control System for Grid Generation of a Switched Reluctance Generator Driven by a Variable Speed Wind Turbine In: IEEE IECON. 1879 - 1884
CARDENAS, R., PEÑA, R.S., ASHER, G.M., CLARE, J.C. and CARTES, J., 2004. MRAS Observer for Doubly Fed Induction Machines IEEE Transactions on Energy Conversion. 19, 467 - 468 AKPOLAT, Z.H., ASHER, G.M. and ARELLANO-PADILLA, J., 2004. A Test Bed for the Experimental Validation of Position Control Algorithms CONTROL ENGINEERING PRACTICE. 12, 933 - 943 ARIAS, A., FILKA, R., ASHER, G.M. and SUMNER, M., 2004. Application of the Matrix Converter for the Sensorless Control of a Permanent Magnet AC Machines using High Frequency Injection In: Proc. EPE-PEMC 2004.
ASHER, G.M. and SUMNER, M., 2004. Rotor Position Estimation for Induction Machines at Zero and Low Frequency Utilising Zero Sequence Currents In: CONFERENCE RECORD OF THE 2004 IEEE INDUSTRY APPLICATIONS CONFERENCE. 1313 - 1320
CARDENAS, R., PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 2004. Sensorless Control of a Doubly-Fed Induction Generator for Stand Alone Operation In: Proceedings of the 35th Power Electronics Specialists Conference PESC 2004.
CARDENAS, R., PEÑA, R.S., PROBOSTE, J., ASHER, G.M. and CLARE, J.C., 2004. Rotor Current Based MRAS Observer for Doubly-Fed Induction Machines Electronics Letters. 40, 769 - 770 TESKE, N., CILIA, J. and ASHER, G.M., 2004. Sensorless Speed, Position and Torque Control using AC Machine Saliencies In: 2004 IEEE INTERNATIONAL CONFERENCE ON INDUSTRIAL TECHNOLOGY (ICIT). 466 - 473
ASHER, G.M., BRADLEY, K.J. and WOOLFSON, M.S., 2003. Flux Position Estimation in Cage Induction Machines using Synchronous HF Injection and Kalman Filtering IEEE Transactions on Industry Applications. 39, 1372 - 1378 ASHER, G.M., ARELLANO-PADILLA, J. and SUMNER, M., 2003. A Robust Fuzzy-Sliding Mode Position Controller for Motor Drives Systems Operating with Flexible Shafts In: EPE.
ARELLANO-PADILLA, J., ASHER, G.M. and SUMNER, M., 2003. Robust Fuzzy Sliding Mode Position Control for Motor Drives Operating with Variable Loads In: Proceedings of the EPE 2003 Conference.
SILVA, C., ASHER, G.M. and SUMNER, M., 2003. An HF Signal Injection Based Observer for Wide Speed Range Sensorless PM Motor Drives Including Zero Speed In: Proceedings of the EPE 2003 Conference.
ASHER, G.M. and CLARE, J.C., 2003. Sensorless Flux Position Estimation at Low and Zero Frequency by Measuring Zero-Sequence Current in Delta-Connected Cage Induction Machines In: 2003 IEEE INDUSTRY APPLICATIONS CONFERENENCE, VOLS 1-3 - CROSSROADS TO INNOVATIONS. 1742 - 1749
ASHER, G.M. and CLARE, J.C., 2003. Sensorless Vector Control at Low and Zero Frequency Considering Zero-Sequence Current in Delta Connected Cage Induction Motors In: IECON''03: THE 29TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY. 1460 - 1465
CARDENAS, R., PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 2003. A Novel Control Strategy for Power Smoothing in Variable Speed Wind Energy Systems In: Proceedings of the EPE 2003 Conference.
FILKA, R., ASHER, G.M., SILVA, C. and WHEELER, P.W., 2003. Analysis of the Influence of Converter Non-Linearities on Performance of Sensorless Controlled Synchronous PM Machine Algorithms In: Proceedings of the EPE 2003 Conference.
CARDENAS, R., PEÑA, R.S., CLARE, J.C. and ASHER, G.M., 2003. Power Smoothing in a Variable Speed Wind-Diesel System In: Proceedings of the 34th Power Electronics Specialists Conference PESC 2003. 754 - 759
SILVA, C., ASHER, G.M. and SUMNER, M., 2003. Sensorless Rotor Position Control in a surface Mounted PM Machine using HF Voltage Injection EPE Journal. 13, 12 - 18
ASHER, G.M., BRADLEY, K.J. and WOOLFSON, M.S., 2002. Flux Position Estimation in Cage Induction Machines using Synchronous HF Injection and Kalman Filtering In: CONFERENCE RECORD OF THE 2002 IEEE INDUSTRY APPLICATIONS CONFERENCE. 845 - 850
CARUANA-MIFSUD, C., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 2002. Effect of Motor Type on Performance of Sensorless Induction Motor Control using HF Injection In: INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, MACHINES AND DRIVES. 515 - 521
ARELLANO-PADILLA, J., ASHER, G.M. and SUMNER, M., 2002. Robust Fuzzy Sliding Mode Position Control for Motor Drives Operating with Variable Loads In: Proceedings of EPE-PEMC 02.
TURL, G., SUMNER, M. and ASHER, G.M., 2002. A Synchronised Multi-Motor Control System using Sensorless Induction Motor Drives In: INTERNATIONAL CONFERENCE ON POWER ELECTRONICS, MACHINES AND DRIVES. 38 - 43
SILVA, C., ASHER, G.M. and SUMNER, M., 2002. Sensorless Rotor Position Control in a Surface Mounted PM Machine Using HF Voltage Injection In: Proceedings of the 10th Power Electronics and Motion Control Conference: EPE-PEMC 2002.
CARDENAS, R., PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 2002. Sensorless Control Strategy for Power Smoothing in Wind-Diesel Applications Electronics Letters. 38, 1402 - 1403 ASHER, G.M. and SUMNER, M., 2002. Reduction of Secondary Saliencies for Improved Sensorless Control of Induction Motors using HF Injection In: Proceedings of EPE-PEMC 02.
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CLARE, J.C., 2002. Power Smoothing Control using Sensorless Flywheel Drive in Wind Diesel Generating Systems IEEE IECON conference. CD-ROM,
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CLARE, J.C., 2002. Control Strategies for Doubly-Fed Induction Generators in a Wind Diesel Energy System IEEE IECON conference. CD-ROM,
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CLARE, J.C., 2002. Vector Control of a Diesel Driven Doubly Fed Induction Machine for a Stand Alone Variable Speed Energy System IEEE IECON conference. CD ROM,
SILVA, C., ASHER, G.M. and SUMNER, M., 2002. Influence of Dead-Time Compensation on Rotor Position Estimation in Surface Mounted PM Machines using HF Voltage Injection In: PCC-OSAKA 2002: PROCEEDINGS OF THE POWER CONVERSION CONFERENCE. 1279 - 1284
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CILIA, J., 2002. Sensorless Vector Control of an Induction Generator for Variable Speed Wind Energy Operation In: Proceedings of the 33rd Power Electronics Specialists Conference PESC 2002. 265 - 270
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CILIA, J., 2002. Sensorless Control of Induction Machines for Variable Speed Wind Energy Operation In: Proceedings of the PESC 2002 Conference.
TESKE, N., CILIA, J. and ASHER, G.M., 2002. Sensorless Position and Speed Estimation in Induction Machines, In: Proceedings of EPE-PEMC 02.
TESKE, N., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 2001. Encoderless position estimation for symmetric cage induction machines under loaded conditions IEEE Transactions on Industry Applications. 37(6), 1793-1800 TESKE, N., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 2001. Encoderless Position Control of Induction Machines Proceedings EPE 2001 Conference. CDROM,
WOOLFSON, M.S., ASHER, G.M. and BRADLEY, K.J., 2001. Adaptive Cancellation of Selected Harmonics from a Signal IEE PROCEEDINGS-VISION IMAGE AND SIGNAL PROCESSING. 148, 295 - 303 ARELLANO-PADILLA, J., ASHER, G.M. and SUMNER, M., 2001. Robust Fuzzy-Sliding Mode Control for Motor Drives Operating with Variable Loads and Pre-Defined System Noise Limits Proceedings EPE 2001 Conference. CDROM,
TESKE, N., ASHER, G.M., BRADLEY, K.J. and SUMNER, M., 2001. Analysis and Suppression of Inverter Clamping Saliency in Sensorless Position Controlled Induction Machine Drives In: CONFERENCE RECORD OF THE 2001 IEEE INDUSTRY APPLICATIONS CONFERENCE. 2629 - 2636
ARELLANO-PADILLA, J., ASHER, G.M. and SUMNER, S., 2001. Robust Sliding Mode Control for Motor Drives In: Proceedings EPE 2001 Conference.
TESKE, N., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 2001. Sensorless Position Control of Induction Motor Drives Under Loaded Conditions IEEE Transactions on Industry Applications. 37, 1793 - 1800 CARDENAS, R., PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 2001. Control Strategies for Voltage Control of a Boost Type PWM Converter In: Proc. IEEE Power Electronics Specialists Conference PESC-2001. 730 - 735
TURL, G., SUMNER, M. and ASHER, G.M., 2001. A Hybrid Sensorless Induction Motor Control Strategy for High Performance Drive Applications In: PESC 2001: 32ND ANNUAL POWER ELECTRONICS SPECIALISTS CONFERENCE. 20 - 25
CARDENAS, R., PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 2001. Experimental Emulation of Wind Turbines and Flywheels for Wind Energy Applications In: Proceedings of EPE 2001.
TURL, G., SUMNER, M. and ASHER, G.M., 2001. A High Performance Sensorless Induction Motor Drive for use in Multi-Motor Speed Synchronised Applications In: Proceedings of EPE 2001.
TURL, G., SUMNER, M. and ASHER, G.M., 2001. A Multi-Induction-Motor Drive Strategy Operating in the Sensorless Mode In: CONFERENCE RECORD OF THE 2001 IEEE INDUSTRY APPLICATIONS CONFERENCE. 1232 - 1239
TURL, G., SUMNER, M. and ASHER, G.M., 2001. Sensorless Induction Motor Drive for Speed Synchronous Applications In: Proceedings EPE 2001 Conference.
ASHER, G.M., SUMNER, M., CUPERTINO, F. and LATTANZI, A., 2001. Direct Flux Control of Induction Motors Proceedings EPE 2001 Conference. CDROM,
CARDENAS, R., ASHER, G.M. and CLARE, J.C., 2001. A Cage Induction Generator using Back to Back PWM Converters for Variable Speed Grid Connected Wind Energy System In: IEEE Conference of the Industrial Electronics Society. 1376 - 1381
HEWSON, C.R., SUMNER, M., ASHER, G.M. and WHEELER, P.W., 2000. A Dynamic Mechanical Load Emulation Test Facility to Evaluate the Performance of AC Inverters IEE Power Engineering Journal. 14(1), 21 - 28 TESKE, N., ASHER, G.M., BRADLEY, K.J. and SUMNER, M., 2000. Sensorless Position Estimation for Symmetric Cage Induction Machines under Loaded Conditions In: Proc IEEE 35th Annual Meeting of Industrial Applications Society (IAS). 1835 - 1841
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CLARE, J.C., 2000. Vector Controlled Induction Machines for Stand-Alone Wind Energy Applications In: Proc IEEE 35th Annual Meeting of Industrial Applications Society (IAS).
OHYAMA, K., ASHER, G.M. and SUMNER, M., 2000. Comparative Testing of High Performance Sensorless Induction Motor Drives In: Proceedings of IEEE IPEC2000. 386 - 391
SUMNER, M., ASHER, G.M., CUPERTINO, F. and LATTANZI, A., 2000. Benchmark Testing for Experimental Comparison of Induction Motor Control Strategies In: PEMC Conference 2000. 110 - 115
AKPOLAT, Z.H., ASHER, G.M. and CLARE, J.C., 2000. A Practical Approach to the Design of Robust Speed Controllers for Machine Drives IEEE Transactions on Industrial Electronics. 47, 315 - 324 TURL, G., SUMNER, M. and ASHER, G.M., 2000. Use of Adaptive Notch Filtering for Accurate Speed Holding in a Sensorless Induction Motor Drive In: EIGHTH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND VARIABLE SPEED DRIVES. 268 - 273
PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CLARE, J.C., 2000. Control Strategies for Energy Recovery from a Flywheel using a Vector Controlled Induction Machine In: Proc. Power Electronics Specialists Conference PESC-2000. 454 - 459
ASHER, G.M., 2000. Sensorless Induction Motor Drives In: IEE Colloquium "Developments in Induction Motor Drives".
TESKE, N., ASHER, G.M., BRADLEY, K.J. and SUMNER, M., 1999. Sensorless Rotor Position Estimation for Multiple Salient Induction Motors under Full Load Conditions In: Proc EPE''99 Conference.
ASHER, G.M. and CLARE, J.C., 1999. Electronic Emulation of Mechanical Loads IEEE Transactions on Industrial Electronics. 46, 370 - 379
HAKAN AKPOLAT, Z., ASHER, G. M. and CLARE, J. C., 1999. Experimental Dynamometer Emulation of Nonlinear Mechanical Loads IEEE Transactions on Industry Applications. VOL 35(NUMBER 6), 1367-1373 OHYAMA, K., ASHER, G.M. and SUMNER, M., 1999. Comparison of the Pratical Performance and Operating Limits of Sensorless Induction Motor Drive Using a Closed Loop Flux Observer and a Full Order Flux Observer In: Proc EPE''99 Conference.
OHYAMA, K., ASHER, G.M. and SUMNER, M., 1999. Comparative Experimental Assessment for High Performance Sensorless Induction Motor Drives In: IEEE Conference of the Industrial Electronics Society. 386 - 391
ASHER,G.M., CLARE,J.C. and AKPOLAT,H., 1999. Dynamic emulation of mechanical loads using a vector-controlled induction motor-generator set IEEE Transactions on Industrial Electronics. 46(2 (April)), 370-379 ASHER, G.M. and CLARE, J.C., 1999. Equivalence of Fuzzy and Classical Controllers: an Approach to Fuzzy Control Design In: Proc EPE''99 Conference.
CARDENAS, R., PEÑA, R.S., BLASCO-GIMENEZ, R. and ASHER, G.M., 1999. Power Smoothing using a Vector Controlled Induction Machine Connected to a Flywheel In: Proc XIII Congresso Chile de Ingenieria Electrica. 293 - 298
FERRAH, A., BRADLEY, K. J., HOGBEN-LAING, P. J., WOOLFSON, M. S., ASHER, G. M., SUMNER, M., CILIA, J. and SHULI, J., 1998. A Speed Identifier for Induction Motor Drives Using Real-Time Adaptive Digital Filtering IEEE Transactions on Industry Applications. VOL 34(NUMBER 1), 156-162 CILIA, J., SHULI, J., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 1998. The Estimation of the Fundamental Frequency in Sensorless Vector Controlled Drives using a Real-Time Adaptive Filter In: ICEM 98. 1017 - 1021
CILIA, J., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 1998. Dynamic Studies for MRAS-based Speed and Flux Observers in High Performance Sensorless Induction Motor Drives In: PEMC Conference 1998. 70 - 75
SHULI, J., ASHER, G.M., SUMNER, M., BRADLEY, K.J. and CILIA, J., 1998. Dynamic Tracking of Induction Motor Speed using Rotor Slot Harmonics and the Recursive Maximum Likelihood Method In: PEMC Conference 1998. 179 - 183
CILIA, J., SHULI, J., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 1998. Tuning of MRAS Based Speed and Flux Observer Using Slot Harmonics Derived from Real-Time Adaptive Filtering In: Proc ICEM''98.
CILIA, J., ASHER, G.M., SHULI, J., SUMNER, M. and BRADLEY, K.J., 1998. The Recursive Maximum Liklelihood Algorithm for Tuning the Rotor Time Constant in High-Performance Sensorless Induction Motor Drives In: ICEM 98. 926 - 930
AKPOLAT, Z.H., ASHER, G.M. and CLARE, J.C., 1998. Emulation of High Bandwidth Mechanical Loads using a Vector Controlled AC Dynamometer In: PEMC Conference 1998. 133 - 138
SPITERI-STAINES, C., ASHER, G.M. and BRADLEY, K.J., 1998. Modelling of Induction Machines Including Rotor Asymmetries and Main Flux Saturation for Position Sensorless Control In: PEMC Conference 1998. 178 - 183
AKPOLAT, Z.H., ASHER, G.M. and CLARE, J.C., 1998. Experimental Dynamometer Emulation of Non-Linear Mechanical Loads In: CONFERENCE RECORD OF THE 1998 IEEE INDUSTRY APPLICATIONS CONFERENCE. 532 - 539
HEWSON, C.R., ASHER, G.M. and SUMNER, M., 1998. Practical Emulation of the Dynamic Characteristics of Mechanical Loads In: PEMC Conference 1998. 52 - 57
ASHER, G.M. and SUMNER, M., 1998. A Dynamic Mechanical Load Emulation Test Facility to Evaluate the Performance of AC Inverters In: Proc IEE PEVD''98 Conference. 206 - 211
HEWSON, C.R., ASHER, G.M. and SUMNER, M., 1998. Dynamometer Control for Emulation of Mechanical Loads In: CONFERENCE RECORD OF THE 1998 IEEE INDUSTRY APPLICATIONS CONFERENCE. 1511 - 1518
AKPOLAT, Z.H., ASHER, G.M. and CLARE, J.C., 1998. Emulation of Non-Linear Mechanical Loads In: ICEM 98. 2007 - 2011
ASHER, G.M. and SUMNER, M., 1998. Emulation of Mechanical Loads for Off-Site Commissioning of Electrical Drives In: Proceedings of Drives Motors and Controls Conference. 53 - 58
AKPOLAT, Z.H., ASHER, G.M. and CLARE, J.C., 1998. Experimental Emulation of Mechanical Loads In: IEEE IAS Conference.
SPITERI-STAINES, C., ASHER, G.M. and BRADLEY, K.J., 1998. A New Method of Sensorless Derivation of an Induction Motor Shaft Position and Other Machine Characteristics In: ICEM 98. 902 - 908
ASHER, G.M. and BRADLEY, K.J., 1998. A Periodic Burst Injection Method for Deriving Rotor Position in Saturated Cage-Salient Induction Motors Without a Shaft Encoder In: CONFERENCE RECORD OF THE 1998 IEEE INDUSTRY APPLICATIONS CONFERENCE. 617 - 624
ASHER, G.M., 1998. Sensorless Estimation for Vector Controlled Induction Motor Drives In: IEE Colloquium Vector Controlled Revisited. 6.1 - 6.5
CILIA, J., ASHER, G.M., BRADLEY, K.J. and SUMNER, M., 1997. Sensorless Position Detection for Vector Controlled Induction Motor Drives using an Asymmetric Outer-Section Cage IEEE Transactions on Industry Applications. 33, 1162 - 1169 WOOLFSON, M.S., BRADLEY, K.J. and ASHER, G.M., 1997. Application of Least Squares Methods to the Tracking of a Sinusoid Embedded in Sinusoids of Known Frequency Applied Signal Processing. 4, 212 - 228
WOOLFSON, M. S., FERRAH, A., BRADLEY, K. J. and ASHER, G. M., 1997. A Novel Method to Track the Frequency of a Sinusoid Embedded in Sinusoids of Known Frequencies Using Recursive Phase Compensation Applied Signal Processing. VOL 4(NUMBER 4), 212-228
BRADLEY, K.J., ASHER, G.M. and WOOLFSON, M.S., 1997. The Effect of Rotor Design on Sensorless Speed Estimation using Rotor Slot Harmonics Identified by Adaptive Digital Filtering using the Maximum Likelihood Approach In: IAS ''97 - CONFERENCE RECORD OF THE 1997 IEEE INDUSTRY APPLICATIONS CONFERENCE / THIRTY-SECOND IAS ANNUAL MEETING. 128 - 135
LAMB, J. D., WOODALL, D. R. and ASHER, G. M., 1997. Bond graphs II: Causality and singularity Discrete Applied Mathematics. VOL 73(NUMBER 2), 143-174 PEÑA, R.S., CARDENAS, R., ASHER, G.M. and CLARE, J.C., 1997. Vector Control Strategy of an Harmonic and Reactive Power Compensator In: Proceedings of EPE 1997. 848 - 853
CILIA, J., ASHER, G.M. and BRADLEY, K.J., 1997. Control of a Shaft Sensorless Pposition Induction Motor using an Asymmetric Outer-Section Cage In: Proceedings of EPE 1997. 486 - 491
LAMB, J. D., ASHER, G. M. and WOODALL, D. R., 1997. Bond graphs III: Bond graphs and electrical networks Discrete Applied Mathematics. VOL 73(NUMBER 3), 211-250 ASHER,G.M., LAMB,J. and WOODALL,D.R., 1997. Bond graphs I: Acausal equivalence Discrete Applied Mathematics. 72(3), 261-293 CARDENAS, R., ASHER, G.M. and RAY, W.F., 1997. Experimental Evaluation of a Switched Reluctance Generator for Wind Energy Applications Journal of Wind Engineering and Industrial Aerodynamics. 20, 115 - 136
WOODALL, D.R. and ASHER, G.M., 1997. Bond Graphs III, Bond Graphs and Electrical Networks IMA Journal of Applied Mathematics. 211 - 250
BLASCO-GIMENEZ, R., ASHER, G. M., SUMNER, M. and BRADLEY, K. J., 1996. Dynamic performance limitations for MRAS based sensorless induction motor drives. Part 1: Stability analysis for the closed loop drive IEE Proceedings - Electric Power Applications. VOL 143(NUMBER 2), 113-122 BRADLEY, K.J., WOOLFSON, M.S. and ASHER, G.M., 1996. A New Sensorless Dynamic Speed-Estimator for Induction Motor Drives using Predictive Adaptive Filtering In: JOINT CONFERENCE - 1996: IEEE INSTRUMENTATION AND MEASUREMENTTECHNOLOGY CONFERENCE & IMEKO TECHNICAL COMMITTEE 7, CONFERENCEPROCEEDINGS, VOLS I AND II - QUALITY MEASUREMENTS: THE INDISPENSABLEBRIDGE BETWEEN THEORY AND REALITY (NO MEASUREMENTS? NO SCIENCE!. 458 - 463
BLASCO-GIMENEZ, R., ASHER, G.M., SUMNER, M., CILIA, J. and BRADLEY, K.J., 1996. Field Weakening at High and Low Speeds for Sensorless Vector Controlled Induction Motor Drives In: Proceedings IEE PEVD''96 Conference. 258 - 261
BRADLEY, K.J., HOGBEN, P.J., WOOLFSON, M.S. and ASHER, G.M., 1996. A Transputer-Based Speed Identifier for Induction Motor Drives using Real-Time Adaptive Filtering In: IAS ''96 - CONFERENCE RECORD OF THE 1996 IEEE INDUSTRY APPLICATIONS CONFERENCE, THIRTY-FIRST IAS ANNUAL MEETING. 394 - 400
BLASCO-GIMENEZ, R., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 1996. The Performance of the FFT-Rotor Slot Harmonic Speed Detector for Sensorless Induction Motor Drives IEE Proceedings Part B. 143, 258 - 268
BLASCO-GIMENEZ, R., ASHER, G.M., SUMNER, M. and BRADLEY, K.J., 1996. Performance of FFT-rotor slot harmonic speed detector for sensorless induction motor drives IEE Proceedings - Electric Power Applications. 143, 258 - 268 PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 1996. Implementation of Vector Control Strategies for a Variable Speed Doubly-Fed Induction Machine for Wind Generation Systems Journal of European Power Electronics. 6, 58 - 65
PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 1996. Estrategias de Control Vectorial de una Interfase AC/DC/AC Para Accionamientos de Induccion In: VI Seminar on Power Electronics.
CILIA, J., ASHER, G.M. and BRADLEY, K.J., 1996. Sensorless Position Cage Induction Motor Drive using an Asymmetric Outer-Section Cage In: Proceedings of PEVD96 Nottingham UK IEE Conf No 429. 262 - 266
PEÑA, R.S., ASHER, G.M., CLARE, J.C. and CARDENAS, R., 1996. A Constant Voltage, Constant Frequency, Varible Speed Stand-Alone Wound Rotor Induction Generator In: Proceedings of International Conference on Electricity Generation. 111 - 114
CILIA, J., ASHER, G.M. and BRADLEY, K.J., 1996. Sensorless Position Detection for Vector Controlled Induction Motor Drives using an Asymmetric Outer-Section Cage In: IAS ''96 - CONFERENCE RECORD OF THE 1996 IEEE INDUSTRY APPLICATIONS CONFERENCE, THIRTY-FIRST IAS ANNUAL MEETING. 286 - 292
CARDENAS, R., ASHER, G.M. and RAY, W.F., 1996. Power limitations in variable speed wind turbines with fixed pitch angle, In: Proceedings of International Conference on Electricity Generation. 44 - 48
BRADLEY, K.J., ASHER, G.M. and WOOLFSON, M.S., 1995. Predictive Adaptive Rotor Slot Harmonics, In: Proc DSP''95 Technical Conference.
BLASCO-GIMENEZ, R., ASHER, G.M. and SUMNER, M., 1995. A New Method of Stator Resistance Estimation for Enhanced Dynamic Performance of Sensorless Vector Control Drives In: Proceedings of EPE 1995.
BLASCO-GIMENEZ, R., ASHER, G.M. and SUMNER, M., 1995. Rotor Time Constant Identification in Sensorless Vector Controlled Drives using Rotor Slot Harmonics In: Proceedings of EPE''95. 1.083 - 1.088
PENA, R. S., ASHER, G. M. and CLARE, J. C., 1995. Wind turbine driven, doubly-fed, induction generator for grid connected and stand-alone applications WIND ENERGY CONVERSION. EDIT 17, 385-390
PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 1995. Wind Turbine Driven, Doubly-Fed, Induction Generator for Grid Connected and Stand Alone Applications In: WIND ENERGY CONVERSION 1995. 385 - 390
ASHER, G.M. and CLARE, J.C., 1995. Transputer Based Vector Control of an AC/DC PWM Rectifier In: Chilean congress of electrical engineering.
PEÑA, R.S., ASHER, G.M. and CLARE, J.C., 1995. Implementation of Vector Control Strategies for a Variable Speed Doubly-Fed Induction Machine for Wind Generation Systems In: Proceedings of EPE''95. 3.075 - 3.08
ASHER, G.M., 1995. Control Strategy for a Multi- Roll Chassis Dynamometer in Road Load Simulation In: Proceedings of the SAE (The Engineering Society for Advancing Mobility Land, Sea and Space).
CARDENAS, R., ASHER, G.M. and RAY, W.F., 1995. Adaptive Pitch Control for Variable Speed Wind Turbines In: WIND ENERGY CONVERSION 1995. 243 - 248
CARDENAS, R., RAY, W.F. and ASHER, G.M., 1995. Switched Reluctance Generators for Wind Energy Applications In: PESC 95 RECORD - 26TH ANNUAL IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE. 559 - 564
CARDENAS, R., RAY, W.F. and ASHER, G.M., 1995. Transputer Based Control of Switched Reluctance Generator for Wind Energy Applications In: Proceedings of EPE''95. 3.0769 - 3.0774 69-74
TEMELTAS, H. and ASHER, G.M., 1995. REAL-TIME IDENTIFICATION OF ROBOT - DYNAMIC PARAMETERS USING PARALLEL-PROCESSING .1. THEORY IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS. 142, 359 - 368 CARDENAS, R., RAY, W.F. and ASHER, G.M., 1995. Transputer-Based Control of a Switched Reluctance Generator for Wind Energy Applications In: IBID.
BLASCO-GIMENEZ, R., SUMNER, M. and ASHER, G.M., 1994. SPEED MEASUREMENT OF INVERTER FED INDUCTION MOTORS USING THE FFT ANDTHE ROTOR SLOT HARMONICS In: FIFTH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND VARIABLE-SPEEDDRIVES. 470 - 475
BLASCO-GIMENEZ, R., SUMNER, M. and ASHER, G.M., 1994. SENSORLESS VECTOR CONTROL OF INDUCTION MOTOR DRIVES USING AN INTEL-I860 CONNECTED TO A TRANSPUTER NETWORK In: TRANSPUTER APPLICATIONS AND SYSTEMS ''94 - PROCEEDINGS OF THE 1994 WORLDTRANSPUTER CONGRESS. 657 - 671
BLASCO-GIMENEZ, R., ASHER, G.M. and SUMNER, M., 1994. Non-Intrusive Real-Time Speed Measurement of Inverter Fed Induction Motors Using Spectral Estimation and Rotor Slot Harmonics In: UPEC 94. 569 - 572
BRADLEY, K.J., ASHER, G.M. and WOOLFSON, M.S., 1993. AN INVESTIGATION INTO SPEED MEASUREMENT OF INDUCTION-MOTOR DRIVES USING ROTOR SLOT HARMONICS AND SPECTRAL ESTIMATION TECHNIQUES In: SIXTH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND DRIVES. 185 - 189
BRADLEY, K.J. and ASHER, G.M., 1993. On the use of Digital Filters for the Analysis of PWM Inverter Waveforms In: ASME Periodical of Modelling, Measurement and Control, Part A. 45 - 56
BRADLEY, K.J. and ASHER, G.M., 1993. On the use of Windows for the Spectral Analysis of PWM Output Waveforms In: Proc. ICEMA Conference.
BRADLEY, K.J. and ASHER, G.M., 1993. On the use of the Maximum Entropy Method for the Spectral Estimation of PWM Output Signals. In: IEEE Instrumentation and Measurement Technology Conference IMTC/93. 476 - 481
SUMNER, M., ASHER, G.M. and PEÑA, R.S., 1993. THE EXPERIMENTAL INVESTIGATION OF ROTOR TIME CONSTANT IDENTIFICATION FOR VECTOR CONTROLLED INDUCTION-MOTOR DRIVES DURING TRANSIENT OPERATING-CONDITIONS In: FIFTH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS. 51 - 56
SUMNER, M. and ASHER, G.M., 1993. AUTOCOMMISSIONING FOR VOLTAGE-REFERENCED VOLTAGE-FED VECTOR-CONTROLLEDINDUCTION-MOTOR DRIVES IEE Proceedings - Electric Power Applications. 140, 187 - 200 SUMNER, M. and ASHER, G.M., 1993. Parallel Processing for Vector Control of Induction Motors In: Proceedings of EPE 1993. 219 - 228
SUMNER, M., ASHER, G.M. and AKSU, I., 1993. Rotor Time Constant Identification for Indirect Vector Controlled Induction Motor Drives for Dynamic Operating Conditions. In: Proceedings of IEEE ISIE''93. 96 - 101
SUMNER, M. and ASHER, G.M., 1993. The Development of a Complete Self-Commissioning Self-Optimising Indirect Vector Controlled Drive In: Proceedings IEE Colloquium on developments in real-time control for induction motor drives. 16 - 22
SUMNER, M. and ASHER, G.M., 1993. Experimental Performance of Rotor Parameter Identification for Vector Controlled Induction Motor Drives During Transient Operating Conditions. In: Proceedings of EPE 1993. 51 - 56
LAMB, J.D., ASHER, G.M. and WOODALL, D.R., 1993. Network Realization of Bond Graphs In: INTERNATIONAL CONFERENCE ON BOND GRAPH MODELING - ICBGM ''93 -PROCEEDINGS OF THE 1993 WESTERN SIMULATION MULTICONFERENCE. 85 - 90
PEÑA, R.S. and ASHER, G.M., 1993. Parameter Sensitivity Studies for Induction Motor Parameter Identification using Extended Kalman Filters. In: Proceedings of EPE 1993. 306 - 311
LAMB, J.D., ASHER, G.M. and WOODALL, D.R., 1993. CAUSAL LOOPS AND MASON RULE FOR BOND GRAPHS In: INTERNATIONAL CONFERENCE ON BOND GRAPH MODELING - ICBGM ''93 -PROCEEDINGS OF THE 1993 WESTERN SIMULATION MULTICONFERENCE. 67 - 72
ASHER, G.M., 1993. THE ROBUST MODELING OF VARIABLE TOPOLOGY CIRCUITS USING BOND GRAPHS In: INTERNATIONAL CONFERENCE ON BOND GRAPH MODELING - ICBGM ''93 -PROCEEDINGS OF THE 1993 WESTERN SIMULATION MULTICONFERENCE. 126 - 131
LAMB, J.D., WOODALL, D.R. and ASHER, G.M., 1993. Equivalences of Bond Graph Junction Structures In: INTERNATIONAL CONFERENCE ON BOND GRAPH MODELING - ICBGM ''93 -PROCEEDINGS OF THE 1993 WESTERN SIMULATION MULTICONFERENCE. 79 - 84
LAMB, J.D., WOODALL, D.R. and ASHER, G.M., 1993. Singular Bond Graphs In: INTERNATIONAL CONFERENCE ON BOND GRAPH MODELING - ICBGM ''93 -PROCEEDINGS OF THE 1993 WESTERN SIMULATION MULTICONFERENCE. 73 - 78
BRADLEY, K.J. and ASHER, G.M., 1992. AN FFT-BASED NOVEL-APPROACH TO NONINVASIVE SPEED MEASUREMENT IN INDUCTION-MOTOR DRIVES IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT. 41, 797 - 802 SUMNER, M. and ASHER, G.M., 1992. Self-Commissioning for Voltage-Referenced Voltage-fed Vector Controlled Induction Motor Drives. In: Proc. Power Electronics Specialists Conference PESC-92. 139 - 144
BRADLEY, K.J. and ASHER, G.M., 1992. An FFT-Based Speed Detector for Inverter-fed Induction Motors. In: Proc. 6th European Signal Processing Conference EUSIPCO. 1793 - 1796
BRADLEY, K.J. and ASHER, G.M., 1992. Sensorless Speed Detection of Inverter Fed Induction Motors using Rotor Slot Harmonics and Fast Fourier Transform In: Proc. Power Electronics Specialists Conference PESC-92. 279 - 286
BRADLEY, K.J. and ASHER, G.M., 1992. Analysis of Speed Measurement using FFT Spectral Estimation for Mains or Inverter driven Induction Motors In: The International Conference of Electrical Machines ICEM-92. 923 - 927
BRADLEY, K.J. and ASHER, G.M., 1992. Application of the FFT to the Speed Measurement of Inverter Fed Induction Motors In: Proc. Instrument and Measurement Technology Conference IMTC-92. 647 - 652
LEFLEY, P.W. and ASHER, G.M., 1992. Steady State Operation of a Controlled Hidden Link Induction Motor Drive In: Proc. Power Electronics Specialists Conference PESC-92. 119 - 125
TEMELTAS, H. and ASHER, G.M., 1992. Parallel Recrursive Estimation Algorithm for Dynamic Model Parameters of a Robot Arm. In: Proc. of the 1992 IFAC/IMACS/IEEE Conference on Motion Control for Intelligent Automation. 39 - 44
DAVIS, A.G.W., ASHER, G.M. and MOULDING, R.J., 1992. The Use of Transputers as Intelligent Nodes for Industrial Ring Network Communications in Process Control. In: Proc. PACTA ''92. 868 - 871
DAVIS, A.G.W. and ASHER, G.M., 1992. The Use of Fortified Transputer Links for Multimachine Drive Communications in Progress Control In: PCIM-92 Conference. 213 - 221
TEMELTAS, H. and ASHER, G.M., 1992. Parallel Recursive Estimation Algorithm for Dynamic Model Parameters of a Robot Arm. In: Proc. 1992 IFAC/IMACS/IEEE Conference on Motion Control for Intelligent Automation. 39 - 44
TEMELTAS, H. and ASHER, G.M., 1992. Implementation of Parallel Structures for Robot Dynamic Model Identification on a Transputer Network In: Proc. Int Conf on Automation Robotics and Computer Vision (ICARCV ''92). 241 - 245
SUMNER, M. and ASHER, G.M., 1991. The Experimental Investigation of Multiparameter Identification Methods for Cage Induction Motors In: Proc 4th European Conf. on Power Electronics and Applications, (EPE). Florence. 389 - 394
ASHER, G.M. and ESLAMDOOST, V., 1991. Power Electronics Simulation using Bond Graphs and Transmission Line Modelling. In: Proc 4th European Conf. on Power Electronics and Applications, (EPE). Florence. 85 - 89
ASHER, G.M., RAY, W.F. and ESLAMDOOST, V., 1991. Power Electronic Simulation using Bond Graphs and Transmission Line Modelling. In: Proceedings of EPE 1991. 85 - 89
ASHER, G.M., 1991. Bond Graph Modelling of Three Phase Rotating AC Machines In: Institution Magnetic Engineering- Symposium. 365 - 371
LEFLEY, P.W. and ASHER, G.M., 1991. The Operation and Performance of a Hidden Link Induction Motor Drive. In: Proc 4th European Conf.on Power Electronics and Applications. 340 - 345
ASHER, G.M. and ESLAMDOOST, V., 1991. A Novel Causality Changing Method for the Bond Graph Modelling of Variable Topology Electronic Switching Circuits In: IMACS-Symposium. 371 - 377
SUMNER, M. and ASHER, G.M., 1990. Transputer Control of High Performance AC Induction Motor Drives In: Transputer Control Research Studies Press Limited London,1990.
ASHER, G.M. and SUMNER, M., 1990. Parallel Processing for the Vector Control of AC Induction Motors In: III Seminario Electronica de Potencia IEEE.
ASHER, G.M. and SUMNER, M., 1990. PARALLELISM AND THE TRANSPUTER FOR REAL-TIME HIGH-PERFORMANCE CONTROL OF AC INDUCTION-MOTORS IEE Proceedings - Control Theory and Applications. 137, 179 - 188
ASHER, G.M., CURTIS, K.M. and ANDREWS, J., 1990. A Parallel Multialgorithmic Approach For an Accurate and Fast English Test-to-Speech Transcriber In: Proc. of Int. Conference on Speech and Language Processing, ICSLP''90. 813 - 816
CURTIS, K.M., ASHER, G.M., PACK, S.E. and ANDREWS, J., 1990. A Highly Programmable Formant Speech Synthesizer Utilising Parallel Processors. In: Proc. of Int. Conference on Speech and Language Processing, ICSLP''90. 817 - 820
ASHER, G.M. and SUMNER, M., 1989. Real Time Motor Control Using A Transputer Parallel Processor Network In: 3rd European Conference on Power Electronics and Applications,, (EPE). 433 - 438
ASHER, G.M. and ESLAMDOOST, V., 1989. Power Electronic Circuit Simulation and Bond Graph Techniques In: 3rd European Conference on Power Electronics Applications. 807 - 812
ASHER, G.M. and ESLAMDOOST, V., 1989. Power Electronic Circuit Simulation and Bond Graph Techniques. In: 3rd European Conference on Power Electronics and Applications,, (EPE). 807 - 812
SUMNER, M. and ASHER, G.M., 1988. PWM Inverter Control Using the INMOS Transputer In: Parallel Processing in Control: The Transputer and other Architectures. 158 - 182
SUMNER, M. and ASHER, G.M., 1988. PWM Induction Motor Drive using the INMOS Transputer Parallel Processor In: Proceedings of IEEE APEC 1988. 121 - 129
SUMNER, M. and ASHER, G.M., 1988. PWM Induction Motor Drive using the INMOS Transputer Parallel Processor. In: Proceedings IEE, Power Electronics and Varible Speed Drive Conference (PEVD). 130 - 133
ASHER, G.M., DAVIS, R.M. and VASQUEZ-BORQUEZ, J.D., 1988. Operation of the Naturally Commutating Hidden Link Converter Feeding a Cage Induction Motor In: Proc. IEE Power Electronics and Variable Speed Drive Conference. 130 - 133
ASHER, G.M. and VASQUEZ-BORQUEZ, J.D., 1987. Dynamic Modelling of CSI Fed Synchronous Drives using Bond Graphs In: Proc. 2nd EPE Conference. 1099 - 1104
ASHER, G.M., WILLIAMS, J.T., WALTERS, C.R., JOYCE, C.R., PAUL, R.J.A. and , 1985. Modelling of Hystereis in Thin Superconducting Screens for mixed-mu suspension systems IEEE Transactions on Magnetics. 18,
BRADLEY, K.J. and ASHER, G.M., 1985. Spectral Estimation of PWM Waveforms and Motor Speed Detection using the Maximum Entropy Method IEEE Transactions on Instrumentation and Measurement.
CARDENAS, R., PEÑA, R.S., ASHER, G.M., CLARE, J.C. and CARTES, J., 1985. Sensorless Control of Doubly-Fed Induction Machines IEEE Power Engineering Society Transactions.
CILIA, J., ASHER, G.M. and BRADLEY, K.J., 1985. Sensorless Position Detection for Vector Controlled Induction Motor Drives using an Asymmetric Outer-Section Cage Journal of Wind Engineering and Industrial Aerodynamics. 20, 363 - 387
CARDENAS, R., ASHER, G.M. and RAY, W.F., 1985. Torque Obserbver for the Control of Variable Speed Wind Turbines Operating Below Rated Speed Journal of Wind Engineering and Industrial Aerodynamics. 20, 258 - 285
CARDENAS, R. and ASHER, G.M., 1985. Power Limitation in variable speed wind turbines using pitch control and a mechanical torque observer Journal of Wind Engineering and Industrial Aerodynamics. 20, 363 - 387
PATTULLO, A.W., ASHER, G.M., ORAEE-MIRZAMANI, S.J. and PAUL, R.J.A., 1985. AC Losses in Thin Superconducting Sheets In: Proceedings of the 9th International Magnet Technology Conference.
ORAEE-MIRZAMANI, S.J., ASHER, G.M. and PAUL, R.J.A., 1985. An Approximate Model Of Active Control For Magnetic Levitation System Applied to High Speed Transport. In: Proceedings of the 9th International Magnet Technology Conference.