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Speed Control System of Brushless DC Motor Based on DSP

Genyuan Zhang

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Abstract

To realize the precise control of the Brushless DC Motor(BLDCM),this paper proposes a digital control system of BLDCM with three-closed-loop using TMS320LF2407A Digital Signal Processor(DSP)of TI.The method of hardware electric circuit design and software programming are presented in detail.The digital PID control algorithm with the variable-integrator is also used in the system.The analysis shows that the control system has simple structure and good control function,such as good stability performance,fast response ability.

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What this paper is about

To realize the precise control of the Brushless DC Motor(BLDCM),this paper proposes a digital control system of BLDCM with three-closed-loop using TMS320LF2407A Digital Signal Processor(DSP)of TI.The method of hardware electric circuit design and software programming are presented in detail.The digital PID control algorithm with the variable-integrator is also used in the system.The analysis shows that the control system has simple structure and good control function,such as good stability performance,fast response ability.

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Available abstract

To realize the precise control of the Brushless DC Motor(BLDCM),this paper proposes a digital control system of BLDCM with three-closed-loop using TMS320LF2407A Digital Signal Processor(DSP)of TI.The method of hardware electric circuit design and software programming are presented in detail.The digital PID control algorithm with the variable-integrator is also used in the system.The analysis shows that the control system has simple structure and good control function,such as good stability performance,fast response ability.

Key concepts: DC motor, Digital signal processing, Integrator, Computer science, Digital signal processor, PID controller, Control system, Digital control

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