Drift Angle position closed loop control system is achieved with 80C31 as controller,step motor as transact organ and absoluteness coder as measure organ.

• 设计和实现了以80C31作为偏流角控制器，以步进电机为执行元件，以绝对式编码器作为偏流角测量元件的偏流角位置闭环控制系统。