In order to realize the functions of control loop in the stabilized platform, the structure of the stabilized platform and the necessity of the digitization design for servo stabilized platform controller are analyzed in this paper. A digital servo system based on TMS32OF2812 is presented. The DSP digital circuit and driver circuit of moto are realized and validated. Experimental result proves that these hardwares have good performance in feedback speed, control accuracy and real-time operation.%为了实现光电跟瞄平台的控制回路功能,通过分析其系统构成以及伺服平台控制器进行数字化设计的必要性,提出了基于TMS320F2812的一种全数字稳定平台伺服系统的设计,实现了DSP数字电路和电机驱动电路的设计验证工作.试验结果表明该电路较好地满足了控制回路的需求,控制精度高,运算实时性好.
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