The research of the dissertation comes from the aerospace research project " accurate lamp - house tracking servo system " . the academic key points about the servo system are discussed thoroughly . the research results of the dissertation have been successfully applied to the practical system 本论文以航天预研“精太阳光源指向跟踪系统”为背景，系统深入地研究了全数字高精度、低稳速交流伺服系统设计中的理论问题，研制的伺服系统已基本达到指标要求，运行良好。
