Search Results - "Qishuang, MA"

Photovoltaic Cell Parameter Estimation Using Hybrid Particle Swarm Optimization and Simulated Annealing by Mughal, Muhammad Ali, Ma, Qishuang, Xiao, Chunyan

“…Accurate parameter estimation of solar cells is vital to assess and predict the performance of photovoltaic energy systems. For the estimation model to…”
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Predictive Direct Virtual Torque and Power Control of Doubly Fed Induction Generators for Fast and Smooth Grid Synchronization and Flexible Power Regulation by Jiefeng Hu, Jianguo Zhu, Yongchang Zhang, Platt, G., Qishuang Ma, Dorrell, D. G.

“…Predictive direct torque control of the electric motors has been well developed. It is simple and has excellent steady state and transient performance…”
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Closed-Loop Gate Drive for Single-Ended Forward Converter to Reduce Conducted EMI by Xu, Congwen, Ma, Qishuang, Xu, Ping, Wang, Nan

“…Forward DC/DC converters are widely used in low and medium power circuits that are widely used in the aerospace and navigation fields. Power converters are…”
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Improvement of the Torque-Speed Performance and Drive Efficiency in an SRM Using an Optimal Torque Sharing Function by Ye, Wei, Ma, Qishuang, Zhang, Poming

“…[...]the simulation and experimental results show that the proposed control algorithm has advanced performance in reducing the copper loss and improving…”
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Analysis and Optimization of Power MOSFETs Shaped Switching Transients for Reduced EMI Generation by Cui, Tongkai, Ma, Qishuang, Xu, Ping, Wang, Yuchen

“…The abrupt change in current or voltage caused by the rapid switching action of power semiconductor devices will generate high-frequency electromagnetic…”
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Progress of Electromagnetic Compatibility Design for Unmanned Aerial Vehicles by Wu, Yong, Ma, Qishuang, Xu, Ping

“…The electromagnetic environment of UAV system was studied, and three key elements of electromagnetic interference(EMI) are analyzed. The research status of…”
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Applications of chirp z transform and multiple modulation zoom spectrum to pulse phase thermography inspection by Shuohan, MA, Qishuang, MA, Xinbo, Liu

“…The fine spectrum structure is required when some key frequencies are estimated; however the implementation may be hindered due to insufficient frequency…”
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Modeling and Analysis of Switched Reluctance Machines Using an Improved Conformal Mapping Method by Poming, Zhang, Qishuang, Ma, Ping, Xu

“…This paper presents an accurate 6/4 switched reluctance machine model based on an improved conformal mapping method. The proposed model is verified by…”
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Magnetic Field Calculation of Switched Reluctance Machines Using an Improved Conformal Mapping Method by Poming, Zhang, Qishuang, Ma, Ping, Xu

“…This paper presents an accurate 6/4 switched reluctance machine (SRM) model based on an improved conformal mapping (CM) method. Subdomain method is used to…”
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Control strategies of variable-speed wind system under new grid code requirement - A survey by Jiefeng Hu, Jianguo Zhu, Dorrell, D G, Qishuang Ma, Yongchang Zhang, Wei Xu

“…The rate at which large variable speed wind farms are being developed had increased rapidly as the demand for green energy has grown. With this increase in…”
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Torque ripple reduction in switched reluctance motor using a novel torque sharing function by Ye Wei, Ma Qishuang, Zhang Poming, Guo Yangyang

“…A novel torque sharing function (TSF) to minimize the torque ripple of switched reluctance motor is proposed in this paper. Optimization criteria of a TSF that…”
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Systematic investigation of power line harmonic radiation in near‐Earth space above China based on observed satellite data by Wu, Jing, Zhang, Chong, Zeng, Ling, Ma, Qishuang

“…The environmental impact of power line emission and power line harmonic radiation (PLHR) in near‐Earth space has become an increasing concern. In the years…”
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Performance analysis of switched reluctance motor based on Maxwell and Simplorer by Chengchao Hua, Ping Xu, Qishuang Ma, Wei Ye

“…Switched reluctance motors (SRM) have many differences between traditional motors in performance analysis because of the special structure. First, the…”
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Model-predictive current control of DC/AC inverters with time delay compensation by Zhang Chun, Ma Qishuang, Cui Tongkai, Zhang Poming

“…This paper presents a model-predictive current control (MPCC) method with time delay compensation for three-phase DC/AC inverters. In the classical MPCC…”
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Repetitive control strategy of SiC MOSFET to reduce EMI generation by Yuchen Wang, Qishuang Ma, Tongkai Cui

“…Silicon carbide (SiC) MOSFETs benefiting from the wide bandgap materials offer a significant performance improvement compared with Silicon devices. However,…”
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A survey of conductive and radiated EMI reduction techniques in power electronics converters across wide‐bandgap devices by Li, Chentao, Ma, Qishuang, Tong, Yajing, Wang, Jinsong, Xu, Ping

“…Abstract Nowadays, wide‐bandgap (WBG) devices, primarily made from silicon carbide (SiC) and gallium nitride (GaN), are widely applied in power generation,…”
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Sensorless control of a four phase switched reluctance machine with novel bridge converter by Junsong Wang, Qishuang Ma, Poming Zhang, Wei Ye

“…This paper presents a method of position and speed estimation technique for a four-phase switched reluctance machine with novel bridge converter. The phase…”
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A modeling method of nonlinear flux linkage for switched reluctance motors using a Gaussian function by Poming, Zhang, Qishuang, Ma, Wei, Ye, Junsong, Wang, Chun, Zhang

“…SRM (Switched Reluctance Motor) works in highly saturated and nonlinear region, which makes difficult to model it accurately. According to the characteristics…”
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Comparative study on torque ripple suppression method of three-phase 6/4 switched reluctance motor by Yangyang Guo, Qishuang Ma, Wei Ye

“…In this paper, three control methods experiencing more and more general study and application of switched reluctance motor (SRM) have been compared and…”
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An Improved Active Gate Drive Method for SiC MOSFET Better Switching Performance by Congwen Xu, Qishuang Ma, Ping Xu, Tongkai Cui, Poming Zhang

“…This paper proposes an improved new SiC MOSFET gate drive method to reduce overshoots in current and voltage, EMI (electromagnetic interference), and switching…”
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