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NI Jiahua,ZHAO Zhixing,ZHU Yinxiao,MUHAMMAD AJMALAidha,YANG Yongheng
Abstract:Regarding the practical operation of photovoltaic(PV)systems,the photo-electron conversionefficiency and degradation rate of PV modules are easily affected by several factors,e. g. ,irradiance,humidity,and temperature. Subsequently,an efficient framework for assessing power degradation became the cornerston...
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Number of views:1047 Amount of downloads:6108
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JING Qi,WANG Changkai,XU Fengxia,YU Liqi
Abstract: In high-precision applications,the control accuracy of the servo system is extremely high required.The control precision of the servo system depends largely on the precision of the feedback measurement. Positionand speed feedback accuracy can be improved by increasing the absolute accuracy of the encoder,a...
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Number of views:2723 Amount of downloads:6022
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LI Liping,SHAO Pengcheng
Abstract: It is difficult to track and control the vibration of inspection robot because of its flexible operationspace. In order to ensure the high efficiency and accuracy of the inspection robot,the position and posture servocontrol strategy based on finite difference method was proposed. The dynamic model of posi...
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Number of views:2369 Amount of downloads:5888
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SUN Yuechao,LI Man,LIAO Cong,CHEN Jingyuan
Number of views:8458 Amount of downloads:5783
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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:8453 Amount of downloads:5738
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HUO Tingting,JIA Zhilong,YAN Yong,ZHANG Qing
Abstract:To enhance the trajectory tracking control stability of driverless vehicles under real-world noiseinterference,a vehicle trajectory tracking controller based on model predictive control(MPC)integrated with theextended Kalman filter algorithm(EKF-MPC)was constructed. Firstly,a vehicle dynamics model was esta...
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Number of views:1058 Amount of downloads:5704
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MAMengyuan,WANG Yang,WANG Lianjie,LIU Jie,ZHANG Lei
Abstract:In the context of China′s "carbon peaking and carbon neutrality goals",the electrical equipmentmanufacturing industry urgently needs a low-carbon transition. As a key component of electrical equipment,variable-frequency drive(VFD)devices offer significant advantages such as precise regulation,notable energy...
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Number of views:1070 Amount of downloads:5606
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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:7623 Amount of downloads:5414
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MA Baohui
Number of views:7838 Amount of downloads:5054
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LI Longxiao,ZHAO Shiwei
Abstract:Phase-shift modulation,as a conventional modulation strategy for dual active bridge(DAB)converters,has the drawback of excessive inductor current peak-to-peak value when the voltages on both sides aremismatched. Therefore,based on an improved dual phase shift(IDPS)modulation combined with duty cyclemodulat...
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Number of views:1124 Amount of downloads:4803
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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...
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Number of views:1262 Amount of downloads:4444
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ZHOU Jianhua,ZHANG Ruining,TAO Kai,XU Junjun
Abstract:The risk of voltage violations and fluctuations has surged due to the high penetration of distributedrenewable energy and the large-scale application of new power electronic devices. Therefore,it is essential tooptimize the control system of reactive voltage through intelligent methods for the reliability ...
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Number of views:1101 Amount of downloads:4285
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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...
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Number of views:1102 Amount of downloads:4274
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WANG Yuwei,WANG Jing,WANG Yong,CHU Yunfei,LI Boqiang,LI Shuguang
Abstract:Aiming at the voltage fluctuation problem in the integrated electricity-gas system(IEGS)andconsidering the reactive power support capability of new energy units and coupling elements,a reactive power andvoltage optimization control method for the IEGS was proposed. First,based on the analysis of the compos...
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Number of views:1140 Amount of downloads:4160
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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 ...
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Number of views:1064 Amount of downloads:4098