A multi-motor synchronous drive control system and method

By coordinating the control of the DSP and FPGA modules and utilizing the synchronous processing circuit and multi-motor load, the clock asynchrony error problem in the multi-motor synchronous control system was solved, realizing the synchronous movement of each motor, reducing the synchronization error, and meeting the synchronous control requirements of the aerospace remote sensing field.

CN115912999BActive Publication Date: 2026-07-17BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Filing Date
2022-11-08
Publication Date
2026-07-17

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Abstract

The application discloses a kind of multi-motor synchronous control system and method, comprising: DSP module, FPGA module, synchronous processing circuit and multi-motor load;DSP module carries out processing to the position data and current data of each motor, obtains each motor voltage control quantity, and sends to FPGA module;FPGA module: according to position and current sensor digital signal generation each motor position data and current data, send to DSP module;Convert voltage control quantity into PWM wave signal;Synchronous processing circuit: according to PWM wave signal generation motor drive signal and send to multi-motor load;Signal processing is generated to position sensor digital signal to position sensor signal;Signal processing is generated to current sensor digital signal to current sensor signal;Multi-motor load: the position sensor signal and current sensor signal of motor are collected, and according to motor drive signal drive motor rotation.The application solves the cumulative error problem caused by system clock out of synchronization.
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