单机螺旋桨带动力试验系统研制

Development of Single Engine Propeller Test System

为提高风洞单发螺旋桨带动力试验效率,设计搭建单机螺旋桨带动力试验系统。详细阐述系统组成,从主控平台选择、信号接口电路设计、驱动器控制电路和反馈电路4方面介绍系统设计,风洞螺旋桨带动力试验时采用零拉力控制,并进行试验验证。结果表明:该系统控制精度高,电磁兼容性好,自动化程度高,可大幅提升试验效率,试验准备时间由48 h缩短至12 h,并已在多期课题型号试验中得到成功应用。

In order to improve the efficiency of single propeller driving test in the wind tunnel,a single propeller driving test system was designed and built.The composition of the system was described in detail.The system design was introduced from four aspects:main control platform selection,signal interface circuit design,driver control circuit and feedback circuit.The results show that the system has high control accuracy,good electromagnetic compatibility and high degree of automation,which can greatly improve the test efficiency.The test preparation time has been shortened from 48 hours to 12 hours,and successfully applied in many tests.