针对天线伺服系统多电机驱动时容易激发差速振荡的问题，在现有多电机同步控制方法的基础上，提出了和速负反馈控制法、间接差速负反馈控制法和直接差速负反馈控制法，其共同特点是实现简单，响应速度快，同步精度高，抗负载扰动能力强，适用于转速、电流双闭环调速控制系统多电机的转速同步控制。以上三种方法分别运用到不同的天线伺服系统，均获得很高的定位精度和跟踪精度，具有很高的推广价值。

Three useful methods of synchronization control which solve the problem of speed-deviation oscillation with multi-motor drivers in antenna servo system are introduced in this paper. It has been successfully used for some antenna servo systems, and the performance of the system was improved greatly. Therefore, it will be of value to popularize and use.

TN821