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2008•Journal of Heilongjiang Hydraulic Engineering CollegeRequires access

Design of Closed-loop Pressure Control System Based on SPWM

Jing Li

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Abstract

The technique of Sine Pulse Width Modulation(SPWM) which has fine dynamic characteristic can reduce the motor torque ripple effectively and increase the motor efficiency obviously,so it has been used in the motor control widely. A closed-loop pressure control system based on the Digital Signal Processor(DSP) TMS320LF2407 is introduced in this paper,and the variable frequency variable voltage control strategy has been implemented with SPWM.The tests and the application results on the spot show that the pressure control system with SPWM has many merits such as simple realization,good running performance and safety.

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What this paper is about

The technique of Sine Pulse Width Modulation(SPWM) which has fine dynamic characteristic can reduce the motor torque ripple effectively and increase the motor efficiency obviously,so it has been used in the motor control widely. A closed-loop pressure control system based on the Digital Signal Processor(DSP) TMS320LF2407 is introduced in this paper,and the variable frequency variable voltage control strategy has been implemented with SPWM.The tests and the application results on the spot show that the pressure control system with SPWM has many merits such as simple realization,good running performance and safety.

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Available abstract

The technique of Sine Pulse Width Modulation(SPWM) which has fine dynamic characteristic can reduce the motor torque ripple effectively and increase the motor efficiency obviously,so it has been used in the motor control widely. A closed-loop pressure control system based on the Digital Signal Processor(DSP) TMS320LF2407 is introduced in this paper,and the variable frequency variable voltage control strategy has been implemented with SPWM.The tests and the application results on the spot show that the pressure control system with SPWM has many merits such as simple realization,good running performance and safety.

Key concepts: Pulse-width modulation, Control theory (sociology), Digital signal processing, Torque ripple, Realization (probability), Ripple, Digital signal processor, Voltage

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