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10 results on '"Fu, Jinyuan"'

6. The SVPWM and PR control for single-phase three-level rectifier

Author

Li Shaoling, Li Zhongshen, Guo Xinhua, Fu Jinyuan, Fang Ruiming, and Xue Jiangyu

Subjects
Engineering, Steady state (electronics), business.industry, 020209 energy, 020208 electrical & electronic engineering, 02 engineering and technology, Transfer function, Precision rectifier, law.invention, Phase-locked loop, Rectifier, Capacitor, Control theory, law, Modulation, 0202 electrical engineering, electronic engineering, information engineering, business, Pulse-width modulation
Abstract

This paper presents a space vector pulse width modulation and proportional resonant control scheme for single-phase three-level rectifier for electric railway traction applications. The proposed SVPWM modulation has been tailored to the single-phase rectifier without an additional PLL. Moreover, vectors and vectors sequence have been carefully designed to achieve neutral point voltage balance. Based on the analysis of transfer function of rectifier system, the defect of classical PI control scheme has been discussed. And then, PR control is deployed in the current inner-loop to eliminate steady-state error and enhance the control effects. A series of simulations and experimental tests demonstrate the effectiveness of SVPWM+PR control.

Published
2017

7. Design of three-level inverter in permanent magnet synchronous motor system based on repetitive control

Author

Li Shading, Chen Yuanxi, Fu Jinyuan, Li Zhongshen, Fang Ruiming, and Guo Xinhua

Subjects
Scheme (programming language), Engineering, Steady state (electronics), business.industry, 020208 electrical & electronic engineering, Automatic frequency control, 020302 automobile design & engineering, Topology (electrical circuits), Control engineering, 02 engineering and technology, Repetitive control, 0203 mechanical engineering, Control theory, 0202 electrical engineering, electronic engineering, information engineering, Key (cryptography), Transient (oscillation), business, computer, computer.programming_language, Voltage
Abstract

The topology of neutral-point clamped (NPC) is widely used for multilevel inverters, and the balance of the neutral-point voltage is one of the key technologies which determines the performance of Permanent Magnet Synchronous Motor(PMSM). Repetitive control can ensure control precisions by keeping the appropriateness of the control signal when the system is stable. In this paper, neutral-point balancing control scheme and repetitive control scheme used in the algorithm of PMSM drive system based on three-level topology was established to improved the dynamic and static performance of system. Our results indicates that the repetitive+PI control scheme provides better transient and steady state performance than classical PI control scheme for PMSM.

Published
2017

10. Design and Analysis of a Novel Double-Stator Double-Rotor Motor Drive System for In-Wheel Direct Drive of Electric Vehicles.

Author

Li, Chunzhen, Guo, Xinhua, Fu, Jinyuan, Fu, Weinong, Liu, Yulong, Chen, Hao, Wang, Rongkun, and Li, Zhongshen

Subjects
ELECTRIC vehicles, ELECTRIC drives, PERMANENT magnets, FINITE element method, MOTOR vehicle driving
Abstract

In-wheel direct drive (IWDD) of electric vehicles (EVs), which simplifies the transmission system and facilitates flexible control of vehicle dynamics, has evolved considerably in the EV sector. This paper proposes a novel double-stator double-rotor motor (DSDRM) with a bidirectional flux modulation effect for in-wheel direct drive of EVs. With the proposed special design, a synthetic-slot structure with synthetic materials containing copper and permanent magnets (PMs) in the slots of the motor is ingeniously employed, and the outer and inner rotors are mechanically connected together as a single rotor, making its mechanical structure less complicated than those of two-rotor machines. The main work of this paper involves the design, analysis, construction, and testing of the proposed machine. The DSDRM with a synthetic-slot structure was demonstrated to be feasible by finite element analysis (FEA), prototype fabrication, and experimental results. In addition, vehicle layout with DSDRM is presented and verified by the vehicle road test experiment. Thus, the DSDRM with the synthetic-slot structure can be used as a hub motor for in-wheel direct drive of EVs. [ABSTRACT FROM AUTHOR]

Published
2022
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