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LU Xihao,QIAO Mingzhong,ZHANG Chi
Abstract: In view of the electromagnetic vibration and noise analysis of permanent magnet motor with Halbachstructure at rated power,the analytical expression of radial force wave of permanent magnet motor was established,and two kinds of main force waves which cause vibration and noise were analyzed. The main noise...
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Number of views:788 Amount of downloads:856
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LI Bingran,FU Hongquan,CHEN Xi
Abstract: Aiming at robust control of six-phase copper rotor induction motors(SpCRIM)under uncertaindisturbances,a new backstepping control strategy based on advanced ant colony optimized(AACO)recursiveRomanovski polynomial neural network(RRoPNN)was proposed. Based on the theory of backstepping controltheory,the con...
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Number of views:774 Amount of downloads:878
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WANG Wenguang,QIU Shuming,BAI Yang,GAO Pengcheng,YU Shipeng
Abstract: Taking the steel rolling system improvement as an example,the design of 12-pulse parallel electriccontrol system of SIEMENS SINAMICS DCM 6RA80 in the steel rolling system was described in detail,as well asthe calculation and selection of main components,such as rectifier transformer,rectifier device and sm...
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Number of views:1310 Amount of downloads:999
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ZHANG Wanying,WANG Changjiang,YU Dayang
Abstract: Due to the strong coupling between rotor speed and rotor time constant in the indirect vector controlsystem of induction motor,it is difficult to realize their parallel identification. The parallel identification based onmulti-innovation extended Kalman filter based on forgetting factor(FMI-EKF)was propose...
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Number of views:1296 Amount of downloads:923
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LI Junjun,LI Zhongqi,YI Jiliang
Abstract: Shared inverter can simplify the topology of the dual machines drive system under the traditional axiscontrol mode,reduce the volume and weight of the equipment. In view of the low voltage utilization rate of a single motor in the shared inverter drive system,which leads to the shortening of the constant p...
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Number of views:1407 Amount of downloads:939
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ZHANG Fangyuan,JING Yun,WANG Dan
Abstract: A vector control method based on the modified super-twisting observer and non-singular terminalsliding mode was proposed for stand-alone doubly-fed wind power generation systems under unbalanced loads. The fundamental frequency and double frequency components of the rotor current were observed by the modif...
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Number of views:3242 Amount of downloads:2563
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ZHANG Cheng,HAN Cun,REN Wei,ZHAO Jinlei,ZHANG Xiao,ZHANG Xudong
Abstract: Based on the AC-DC-AC variable frequency speed control system of synchronous motor,theparameters of PI regulator were optimized by chaos particle swarm optimization algorithm. A pseudo-randomsequence generation method was constructed using a chaotic map dynamic integer tent map,and an objective function of...
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Number of views:2119 Amount of downloads:1178
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LIU Siyan
Abstract: In order to realize the speed estimation and speed regulation of the permanent magnet synchronousmotor(PMSM)controller,a new type of fractional-order model reference adaptive speed observer was designed.Compared with integer-order observers,this strategy enhanced the adjustable degrees of freedom of the co...
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Number of views:2142 Amount of downloads:1084
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DING Qiang,JIANG Yingxu,NI Tuocheng
Abstract: Firstly,the radial force mathematical model of central winding bearingless slice permanent magnetmotors was built. Subsequently,parameters tuning theory of displacement loop PID controller for bearingless motor suspension system was studied,and its inherent drawbacks of PID controller when used for bearing...
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Number of views:2113 Amount of downloads:1066
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GAO Ruiteng,WANG Shuhong,WU Hao,LI Jiabin,CAO Jianwen,WU Pan,ZHANG Ailing
Abstract: A no-load grid-connected voltage phase control method of the brushless doubly-fed inductiongenerator(BDFIG)based on the control winding flux was proposed,the control system structure block diagram was constructed according to the mathematical model and control strategy of BDFIG. The hardware circuit of the...
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Number of views:2008 Amount of downloads:943
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YANG Chengshun,LIU Guofu,DAI Yuchen,ZHANG Dongdong,HUANG Xiaoning
Abstract: An adaptive cooperative control strategy based on improved virtual synchronous machine(VSM)technology was used to improve the traction power supply system of urban rail transit. Firstly,the improved VSMwas used as an one-time control to make the urban rail trains have the external characteristics of synchr...
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Number of views:3836 Amount of downloads:2635
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ZHANG Yubo,LIU Xu,CAO Yang
Abstract: The hybrid excited segmental rotor flux switching permanent magnet(HESRFSPM)machine basedon eccentric pole was proposed. Under the condition of constant air gap area,the segmental rotor structure based on eccentric pole can reduce 2,4,10 radial air gap flux density space harmonic amplitudes by comparing ai...
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Number of views:2651 Amount of downloads:1317
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ZHANG Yexin,DENG Yunchuan,LIU Zhigang,ZHANG Yuting,CHEN Tao,HUANG Ke
Abstract: When the high-speed electric multiple units(EMUs)pass through the long downslope route,speedlimit is required to meet the safety of train operation,the regenerative braking energy generated in this process isreturned to the traction network and may threaten the safety of power supply. At present,there are ...
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Number of views:2489 Amount of downloads:1148
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LI Yanlei,ZHANG Xiaoyang,LI Xiaoling,LIU Wei,WANG Gang,ZHOU Gaowei
Abstract: Because traditional methods have problems such as poor control stability and low control efficiencyin the process of using unmanned aerial vehicle(UAV)to check obstacles in transmission channels,a transmissionchannel unmanned aerial vehicle motor auto-disturbance rejection control technology based on extre...
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Number of views:2457 Amount of downloads:1079
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CAI Chunchen,MAO Xuefei,ZHAO Lei,CHEN Zhen,LI Zhen
Abstract: Aiming at the problems that the working efficiency of ultrasonic motor is too low,which limits theworking endurance of the system and affects the resonant and dynamic characteristics of the motor,a speed andefficiency optimization bivariate control method under dynamic conditions was designed. First,the tw...
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Number of views:2444 Amount of downloads:1144