航空小型动力装置试验台测试系统

A Test System for Mini Aviation Power Unit

针对航模、无人驾驶侦察机和靶机等飞行器经常采用带螺旋桨的活塞式小型动力装置 ,本文设计了一种小型台架测试系统。文章介绍了系统的组成、硬件设计、软件设计及系统的应用。测试结果表明 ,该系统具有测试精度高、可靠性好、操作和维护方便等特点 ,可用于小型飞行器的生产、科研。

The mini power unit with diesel and propeller is widely used in aviation model,unmanned scout and target drone.A mini power unit test system is urgently required.In consequence a test and control system was designed for a power unit test bed,which has the advantages of being convenient and practical.All kinds of running status can be tested with this test bed,real time sampled data are logged for analyzing and displaying in graphic mode.The running parameters such as propulsion force,torque,rotation speed,cylinder temperature,exhaust gas temperature,throttle position,power and fuel flow are easily obtained in the course of experiments.Safety warning and emergency protection are also provided during the testing.Emulation of the running can be done with the test data and recorded audio.The hardware design,software development and applications of the system are described in detail.