针对空间应用对磁轴承控制器体积、功耗和可靠性方面的要求,研究了某空间处理器BM3803的磁悬浮飞轮集成控制器,并搭建了实验平台测试了此方案的实际性能。经理论分析,基于BM3803+FPGA的磁轴承控制器相对基于DSP+FPGA的控制器失效率降低了54.3%,实验结果表明新的系统功耗降低30%,同时控制精度也有所提升。 Aiming at the requirements of volumetric, power consumption and reliability of magnetic bearing controller in space application, a magnetic levitation flywheel integrated controller of a space processor BM3803 is researched and an experimental platform is set up to test the actual performance of this solution. According to theoretical analysis, the failure rate of magnetic bearing controller based on BM3803 + FPGA is reduced by 54.3% compared with that based on DSP + FPGA. The experimental results show that the power consumption of the new system is reduced by 30% and the control accuracy is also improved.