Electric actuator dual-redundancy servo system consists of dual-redundancy rare earth permanent magnet (REPM) brushless DC machine (BLDCM), digital signal processor (DSP) and some periphery circuits, which implements actuator servo function.

• 电动舵机双余度伺服系统是以双余度稀土永磁无刷直流电动机作为执行机构,DSP作为主控单元再加外围电路组成的数字式伺服系统。