一种基于MTS FlexTest 200型控制器的热试验控制方法

A Control Method for Thermal Test based on MTS FlexTest 200 Controller

全方程热流控制方法将结构热试验与理论计算相结合,可考虑到气动加热与结构热响应的实时耦合效应,能够按照飞行器飞行过程中表面热流和温度的瞬态连续变化对模拟气动加热过程实施快速准确的动态控制。采用该方法对某热试验进行控制,将试验结果与温度场分析软件计算结果进行对比,结果符合良好,验证了全方程热流控制方法的准确性。采用该方法可以提高结构热试验模拟精度。

The full equation heat flux control technology combines simulation test with theoretical calculation,and considers real time coupling effect of aerodynamic heating and structural thermal response.The quick and accurate dynamic control of aerodynamic simulation heating process according to the transient and continuous change of heat flux and temperature on the surface of the high-speed flight vehicle can be completed by using this technology.The control technology is applied to a thermal test,and the test results are all well consistent with numerical results of the ASTSA software.The coincident comparison result shows the accuracy of this technology.