一种双余度舵机控制器切换控制方法

By introducing an FPGA logic processing module and relay switching control into the dual-redundant servo controller, timely switching and monitoring of the primary and backup channels are realized, solving the problem of untimely drive response and improving the reliability and control accuracy of the system.

CN121501024BActive Publication Date: 2026-07-17JIANGXI HONGDU AVIATION IND GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
JIANGXI HONGDU AVIATION IND GRP
Filing Date
2025-12-06
Publication Date
2026-07-17

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Abstract

本发明属于飞机控制系统设计技术领域，具体涉及一种双余度舵机控制器切换控制方法，通过FPGA_1、FPGA_2、FPGA_3三个FPGA逻辑处理模块实现切换控制，FPGA_1控制主备控制板，FPGA_2控制三个主驱动板，FPGA_3控制三个备驱动板，避免了因一个器件故障而影响全局工作异常的状况。并通过全双工422总线和CAN总线对信号反馈电路采集到的控制电电流和电压、功率电电流和电压、温度信号、位置信号、过流信号进行反馈。主、备驱动控制电路通过双机通讯422相互共享状态并相互校核，在某一余度出现故障问题时可以相互检测并自动切换。
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