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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...
更多Number of views：2101 Amount of downloads：1956
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LIN Xin，GAO Xiang，XIE Zhen，XU Kebao，ZHANG Xing
Abstract: With the increasing proportion of wind turbines，the characteristics of low inertia and weak dampingpower grid become more obvious，which brings new challenges to the smooth operation of power grid. Traditionalcurrent-controlled strategy is difficult to obtain accurate grid synchronization information in wea...
更多Number of views：3036 Amount of downloads：1954
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ZHOU Liying，XIA Changhao
Abstract: Three-phase bridge converters（TPBC）are widely used in low-voltage power distribution networksto compensate the negative-sequence current and the reactive current. Because of the relatively high costs，improving the compensation effect of limited capacity equipment has high economic value and research signif...
更多Number of views：3965 Amount of downloads：1945
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CHENG Zhiyuan，LI Zheng，WU Longfei，CHEN Kun，SUI Licheng
Abstract: Wireless power transmission technology can effectively solve the problems of wear，leakage and soon in the energy transmission process of traditional plug-in electrical equipment because of its non-physical contactenergy transmission mode. In view of this，a new type of secondary side magnetic ring strip typ...
更多Number of views：3535 Amount of downloads：1944
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PAN Ling，FENG Qian，ZHANG Peng，SHEN Bing，ZHOU Jian，CHEN Ran，ZHAO Jinshuai
Abstract: Due to the high cable ratio of city grid，the harmonic pollution is aggravated. For the buses with high harmonic voltage content，it is necessary to evaluate the harmonic emission level of the utility side and customer side. Most of the existing evaluation methods are based on two assumptions：1）the harmonic ...
更多Number of views：4276 Amount of downloads：1943
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LIU Mengmeng，LI Ruifang，MIAO Weili
Abstract: In order to optimize the controller structure of the permanent magnet synchronous motor（PMSM），a simplified speed control strategy for the PMSM based on genetic algorithm（GA）was proposed.The new controller mainly includes a direct voltage controller，which uses the motor model to achieve accurate speed track...
更多Number of views：4247 Amount of downloads：1941
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SUN Lihua，ZHANG Lin，SUN Huiqin，GUO Yingjun，LI Zheng，GUO Tianliang
Abstract: The switched reluctance motor control system for electric vehicles includes motor drive and batterycharging circuit，which reduces system integration and power density. Based on the asymmetric half-bridge powerconverter of switched reluctance motor，an integrated power converter for electric vehicle was desi...
更多Number of views：4090 Amount of downloads：1939
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CHEN Hu，WANG Yangyang，PAN Yuedou
Abstract: In order to overcome the drawback of direct torque control of induction motor which has largetorque ripples at low speed，a generalized predictive control method was proposed and be used in the direct torque control of induction motor. The method was directly used in speed control，and didn' t depend on ...
更多Number of views：4118 Amount of downloads：1937
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LIU Hong，XU Shihao，YANG Lingsheng
Abstract: The frequency division phenomenon of the wireless power transfer（WPT）circuit in the electricvehicle wireless charging system under the premise of the optimal load resistance was discussed．In the optimizedWPT circuit，by changing the value of the coupling coefficient（k） between the master and slave coils in ...
更多Number of views：2542 Amount of downloads：1923
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ZHANG Tingting，ZHAO Jinbin，DENG Ping，QU Keqing，ZHANG Junwei
Abstract: Aiming at the problems of low input voltage and high demand on driving voltage frequency andamplitude of the traffic sign power supply using smart electroluminescent（S.E.L）technology，a high rise ratio highfrequency inverter drive circuit based on the cascade connection of the Boost circuit with soft switch...
更多Number of views：3801 Amount of downloads：1921
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SHEN Gaobo，LIU Xu
Abstract: A variable flux reluctance machine（VFRM）control system based on the excitation current controlof a single leg was proposed. Compared with the VFRM control system based on the H-bridge which controlling theexcitation current，fewer switch devices were used，in which the cost of the inverter was reduced while ...
更多Number of views：3786 Amount of downloads：1920
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HUANG Xinbing，DENG Xinglong，LIU Xiaojuan
Abstract: Aiming at the problems of low production efficiency，poor consistency of appearance and high laborintensity in the manual way of packaging tin box sleeve film for bagging drinks and tea，a kind of automaticequipment for multi-tin box supporting sleeve film was proposed，which integrated application of program...
更多Number of views：845 Amount of downloads：1919
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ZHANG Mao，CHENG Wenming，QIN Qin
Abstract: A set of container positioning system based on the laser radar measurement technology wasdesigned and realized to solve the problems of long service time，low efficiency and high labor intensity in therailway freight yard which caused by the manual operation of crane spreader alignment. The overall architec...
更多Number of views：3447 Amount of downloads：1917
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YANG Chongwei，LIANG Xu，MAO Lan
Abstract: After a large-scale and high proportion of photovoltaic power generation is connected to the lowvoltage distribution network system，it will most likely cause the system power flow reversal，resulting in the out of limit voltage of each node of the system and the increase of system loss. First，using the line...
更多Number of views：3982 Amount of downloads：1911
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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...
更多Number of views：3154 Amount of downloads：1910
