Electric drive and its control
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WANG Jin，GE Qiongxuan，ZHAO Lu
Abstract：The power system of the superconducting electrodynamic suspension maglev train adopts a longstator linear synchronous motor. Its operational stability is susceptible to disturbances such as uneven tracks，curve passage，and crosswinds，which result in alterations to the train's attitude. The air gap betwe...
更多Number of views：253 Amount of downloads：1310
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HE Weidong，CHENG Yan，WANG Qingfeng，XU Lie，ZHOU Yiming
Abstract：Rectifiers with small DC-link capacitors feature the advantages of low cost，high power density，andsmall volume，showing significant application potential in aerospace，marine engineering，and other fields.However，small DC-link capacitors provide weak DC voltage support，and sudden load changes can easily induc...
更多Number of views：234 Amount of downloads：1032
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XUE Ruibin，ZENG Jiachen，HUANG Dongxiao，WU Hao
Abstract：To address the degradation of system robustness when applying traditional control strategies tophase-shift full-bridge （PSFB） converters under complex operating conditions，a receding horizon optimalpredictive control based on adaptive super-twisting sliding mode observer was proposed. First，an ultra-local ...
更多Number of views：225 Amount of downloads：1048
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XIE Xiaofei，LE Jiangyuan，LI Fei
Abstract：The back electromotive force（EMF）increases with the speed of the motor，that is，the faster thespeed，the greater the back EMF，and when running at low speed，the traditional permanent magnet synchronousmotor（PMSM）has no position sensor control technology，and the signal-to-noise ratio of the useful signal is ver...
更多Number of views：854 Amount of downloads：5780
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WANG Yufei，WANG Bo，JIANG Xiuhong
Abstract：Brushless DC motor has the advantages of high reliability and high efficiency，but due to its ownstructural characteristics and driving characteristics，it will produce large torque pulsation during operation. In lightof this operation problem，an improved direct torque control strategy for brushless DC motor ...
更多Number of views：1467 Amount of downloads：8496
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QIU Chen
Abstract：Aiming at the deterioration of position control performance in the position servo system ofpermanent magnet synchronous motor（PMSM）due to internal and external disturbances such as load torquevariation，an optimal position control method was proposed with anti-disturbance capability on the basis of activedis...
更多Number of views：990 Amount of downloads：9225
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CHENG Shi，ZHAO Lu，CHI Yuhang，LUO Yuang，YIKESHA Halimulati
Abstract：The technological core of the automatic train operation（ATO）for urban trains lies in the highprecision control of traction motors，which requires online identification and correction of the motor closed-loop parameters. In order to satisfy the high-precision requirement that the ATO operation and stopping ac...
更多Number of views：1361 Amount of downloads：7935
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HE Chengzeng，LIU Qi，XU Longbin，SHAO Yuzhou，GENG Yiwen
Abstract：Permanent magnet synchronous linear motor（PMSLM）suffers from load disturbances，frictionalforces between the guide rail and the rotor，tooth slot effects，and positioning force disturbances caused by endeffects during operation. To address these issues，a kind of PMSLM control strategy was proposed for continuo...
更多Number of views：1223 Amount of downloads：6388
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LIANG Hong，QIAN Renjun，CHENG Yongjun，HU Jiangyu，ZHANG Man
Abstract：As a kind of winch driven by motor，electric winch has more excellent performance of cable control.However，in the process of retracting and releasing the cable，the drum inertia of the electric winch will change with the change of the cable stock. This unknown inertia change will lead to mismatching of motor ...
更多Number of views：1680 Amount of downloads：14168
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LUO Huanliang，WANG Zaixiang，LI Yesong
Abstract：Aimed at the issues of deadbeat direct torque and flux control strategy（DB-DTFC）such as relyingon the accurate motor model，high computational load，and coupling between torque and flux，a simplified strategy of DB-DTFC for permanent magnet synchronous motor which based on flux planning was proposed. Firstly，p...
更多Number of views：3340 Amount of downloads：14100
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ZHENG Bining，YAN Dong，SONG Peng，ZHANG Zhen，YAN Yan
Abstract：The structure parameters of dual-stator permanent magnet synchronous motors（DSPMSM）wereoptimized with finite element methodTaguchi method at the rated point，maximum torque point，and maximum speed point，respectively，aiming at the problem of large torque ripple of DSPMSM. The influence onelectromagnetic torqu...
更多Number of views：2965 Amount of downloads：10378
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QIN Changfeng，YIN Jiang，SONG Shijie
Abstract：In order to solve the problem of parameter estimation in the high-performance control of squirrelcage asynchronous motor，a method for joint parameter identification of asynchronous motors with dual modelsbased on improved whale algorithm was proposed. This method can effectively identify the stator resistan...
更多Number of views：2662 Amount of downloads：9941
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YANG Guotao，HU Dongfang，ZHANG Jiaming，WEN Liqiang，TIAN Lisi
Abstract：Space vector pulse width modulation（SVPWM）strategy is one of the key technologies for threelevelinverters. However，conventional three-level SVPWM often experiences neutral point potential（NPP）oscillation and high switching loss when addressing the neutral point potential balancing issue. To tackle thischall...
更多Number of views：2356 Amount of downloads：10831
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WU Bing，WANG Jianliang
Abstract：The common-mode equivalent circuit model of the motor is the basis for analyzing the electricerosion of bearings，especially for analyzing the technical problems and experimental phenomena of shaft voltageand shaft current，among which the centralized equivalent model is an important calculation basis for the...
更多Number of views：3438 Amount of downloads：12788
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CUI Peng，YU Haisheng，MENG Xiangxiang，WANG Jiankun，SUN Yifei
Abstract：A backstepping error port-controlled Hamiltonian（EPH）controller based on a novel extended stateobserver（ESO）was designed to address the issues of insufficient rotor flux observation accuracy and slow systemdynamic response in induction motor speed control. Firstly，an extended state observer was used to obse...
更多Number of views：2865 Amount of downloads：10709
