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MA Xiaoliang
Abstract: Several problems and their solutions of high-performance inverter-fed motor drive systems wereintroduced: the features and some matters needing attention of two- closed-loop systems; how to improve speedfollowing performance during starting and breaking and to improve anti-disturb ability by means of predicti...
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Number of views:6177 Amount of downloads:3321
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MA Xiaoliang
Abstract: Several problems and their solutions for industrial speed regulation applications of four kinds ofcommonly used AC- DC-AC voltage source converter were introduced. Aiming at the problems of high dU/dt, shaftcurrent and power device thermal fatigue related quantitative data were given. Three kinds of rectifi...
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Number of views:4639 Amount of downloads:2443
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YANG Ming, ZHANG Ruhao, ZHANG Jun,ZHU Haotian,SUN Yongping, CHEN Yangyang, XU Dianguo
Abstract: SCARA robot is especially suitable for assembly work because of its high speed, high precision and mechanism characteristics, so it is widely used in 3C, food and drug, automobile industry and other production processes, such as assembling circuit boards and components. First, the trajectory planning, incl...
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Number of views:4388 Amount of downloads:2356
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MA Baohui
Number of views:4377 Amount of downloads:2352
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SUN Yuechao,LI Man,LIAO Cong,CHEN Jingyuan
Number of views:4318 Amount of downloads:2391
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HU Bo,LI Tong,WANG Yihe,CUI Jia,YANG Junyou,XU Junjin
Abstract: Combined with the feature extraction ability of self-coding and the time series analysis ability oflong short-term memory(LSTM),a short-term load forecasting model based on LSTM self-coding was proposed.First of all,based on the basic principle and flow of the depth model,the functional characteristics of t...
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Number of views:4243 Amount of downloads:2214
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HE Wendan, LI Xiaohua, ZHAO Rongjian, FENG Anhui
Abstract: The main vibration of interior permanent magnet synchronous motor(IPMSM)with integer slot multipole pair for electric vehicles is the vibration at 0-order and 2p-order natural frequencies, which are generally believed to be caused by the spatial electromagnetic force waves of 0-order and 2p-order. In order...
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Number of views:4150 Amount of downloads:2866
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CHEN Ya′ai,LI Zixuan,ZHOU Jinghua,WU Jiewei
Abstract: As a three-level Boost AC/DC converter with unidirectional energy flow,the VIENNA rectifier iswidely used in electric vehicle charging systems and other occasions. The key to improve the power quality and thesystem reliability is the quality of control strategy. Therefore,the control strategy of the VIENNA ...
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Number of views:4136 Amount of downloads:2012
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CHEN Ya’ai,LIN Yankang,ZHOU Jinghua
Abstract: The power conversion system in microgrid adopts flexible control strategy to supply the demand loadafter transforming various energy sources. The power conversion system enables the microgrid to be connected tothe grid as a controllable whole unit or to operate independently. Its control strategy is particu...
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Number of views:4126 Amount of downloads:2388
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WANG Zhifu,SUN Qingle,LI Haolong,WANG Xu,GUO Yifeng,LIANG Changchun,WANG Rui
Abstract: With the development of motor drive system of new energy vehicle and the increase in complexity and integration,testing of motor drive system has become an important part of vehicle development. But high-power motor drive testing is more difficult and has higher risks,especially for motor control system,tr...
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Number of views:4113 Amount of downloads:2214
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MA Xiaoliang
Abstract: Pump-turbine units are kind of hydropower facilities with both pump and power generation abilities,they are used mainly in pumped-storage plants and also in water-managing projects. Conventional units operate withfixed-speed. To make power control quick and flexible and to extend operation ranges of turbine...
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Number of views:4109 Amount of downloads:2183
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XIAO Jiakai,ZHENG Gaofeng,LIU Pengxi,LIN Deqiang
Abstract: At present, high-speed electric machines (HSEMs) have been widely used in many industrial fields. The development status and future research directions of high speed motors were summarized and discussed. Firstly, the latest research progress of different types of high-speed motors was introduced, and the ch...
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Number of views:4109 Amount of downloads:1985
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YANG Zhenshu,SUN Xiaozhe,YANG Jianzhong,MAO Qi
Abstract: The fault diagnosis technology of the flight electromechanical actuation system is of greatsignificance to improve the reliability of the aircraft actuation system and ensure the safe operation of the aircraft.Considering the problems and challenges encountered in the application of fault diagnosis technol...
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Number of views:4075 Amount of downloads:2121
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CAO Wei,DONG Haoyang,LI Yun,WEI Huangli,GAO Shengkai
Abstract: The proportion of distributed photovoltaic connected to the grid is gradually increasing,which bringsa series of problems,it can draw lessons from foreign experience to provide practical reference for solving relevantproblems. As one of the leading countries of energy transformation in Europe,Germany's ex...
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Number of views:4071 Amount of downloads:2105
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XIANG Baicheng,LI Sheng,XU Zheng,LI Guangming
Abstract: Regarding the problem of instability in the start-up process of permanent magnet synchronous motor(PMSM)air-conditioner compressor caused by different operating conditions,and combined with the characteristics of shaft error speed closed-loop control,a set of three-stage start-up application program pertin...
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Number of views:3963 Amount of downloads:2207