基于CAN总线通信的反作用飞轮控制系统设计与实现

针对卫星高小型化、可靠性通信等要求,提出了一种以FPGA为主控制器,基于双路切换CAN总线通信的反作用飞轮控制系统的设计与实现方法.对CAN总线收发、报文解析、力矩与速度控制以及控制量测量等功能进行了模块化设计.对原理样机进行了测试实验,实验结果表明该系统具有良好的速度控制特性、力矩控制特性以及稳定的通信性能.所提出的报文解析方法,使上位机可以方便地通过可切换的双路CAN总线对反作用飞轮进行实时可靠地控制、遥测数据采集以及相关的故障处理.

Design and implementation of a reaction flywheel control system based on CAN bus communication

According to the miniaturization,high reliability communication requirements of satellites,proposing a design and realization method of a reaction flywheel control system used FPGA as the controller and based on dualswitching CAN bus communication.Designing the modules of CAN bus transceiver,message parsing,torque control,speed control and control measurements and some other functions.Through experimenting on the prototype,the experimental results show that the system has the characteristics of good performance and stability in speed control mode and torque control mode and good communication performance.The proposed message parsing method makes the computer fulfill the reaction flywheel reliable and real-time control,telemetry data acquisition and fault handling through the dual-switching CAN bus easily.