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RESEARCH OF TORQUE CONTROLLER WITH VARIABLE PROPORTION IN PERMANENT MAGNET SYNCHRONOUS MOTOR DRIVE

Tian Jiao

Open publisher page 7 citations

Abstract

In this paper, a proportional-plus-integral (PI) torque controller with variable proportion for direct torque control (DTC) of permanent magnet synchronous motor (PMSM) drive based on the torque angle control is proposed. By analyzing the torque control of PMSM, the optimum design of proportion in the PI torque controller is presented in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, and ensure exact and quick control of torque in dynamic state. In order to eliminate the steady-state error of torque and guarantee the stability of system, the design of the integral part of PI torque controller is deduced by using the small signal model of system. The experimental results verify the feasibility and effectiveness of the proposed PI torque controller.

About this research paper

What this paper is about

In this paper, a proportional-plus-integral (PI) torque controller with variable proportion for direct torque control (DTC) of permanent magnet synchronous motor (PMSM) drive based on the torque angle control is proposed. By analyzing the torque control of PMSM, the optimum design of proportion in the PI torque controller is presented in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, and ensure exact and quick control of torque in dynamic state. In order to eliminate the steady-state error of torque and guarantee the stability of system, the design of the integral part of PI torque controller is deduced by using the small signal model of system. The experimental results verify the feasibility and effectiveness of the proposed PI torque controller.

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OpenAlex reports 7 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In this paper, a proportional-plus-integral (PI) torque controller with variable proportion for direct torque control (DTC) of permanent magnet synchronous motor (PMSM) drive based on the torque angle control is proposed. By analyzing the torque control of PMSM, the optimum design of proportion in the PI torque controller is presented in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, and ensure exact and quick control of torque in dynamic state. In order to eliminate the steady-state error of torque and guarantee the stability of system, the design of the integral part of PI torque controller is deduced by using the small signal model of system. The experimental results verify the feasibility and effectiveness of the proposed PI torque controller.

Key concepts: Control theory (sociology), Direct torque control, Damping torque, Stall torque, Torque, Torque motor, Torque limiter, Controller (irrigation)

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RESEARCH OF TORQUE CONTROLLER WITH VARIABLE PROPORTION IN PERMANENT MAGNET SYNCHRONOUS MOTOR DRIVE — Research Paper | ScholarLens