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本文介绍了用于FL—7风洞的模型姿态控制系统的性能指标,着重介绍利用步进电动机做为功率执行元件的数字系统的优点及工作原理。
This paper introduces the performance of the model attitude control system for FL-7 wind tunnel and focuses on the advantages and working principle of a digital system that uses a stepper motor as a power actuator.