关键词: 四舵机系统, 数字信号处理(DSP), 复杂可编程逻辑器件(CPLD), 旋转变压器, 智能功率模块

Abstract:

Control system for electro-mechanical actuator (EMA) is a precise position servo system, which is the actuation of the missile guidance system. The realization of the single digital signal processing (DSP) control four sets of EMA based on the combine of DSP with high efficient data processing capability and complex programmable logic device (CPLD) with complex logical computing ability. The efficiency of data processing was improved by using the parallel way to control the four EMA. Intelligent power module (IPM) was used to drive the EMA, so as to improve the system reliability. Experiments show that the use of a single DSP control four EMA can greatly reduce the volume and weight of the system, can achieve the independent closed-loop control of the four EMA and has better dynamic performance.

Key words: four electro-mechanical actuator (EMA), digital signal processing (DSP), complex programmable logic device (CPLD), resolver, intelligent power module (IPM)