瞬态气动模拟加热控制中的快速高精度"E-T"转换

为了准确模拟飞行器在高速飞行时的瞬态气动加热状态,必须使用快速、高精度的计算机瞬态热能控制系统,对气动模拟试验的加热过程,实行快速、高精度的非线性动态控制.为此,传感器的快速、高精度"E-T"转换是一个必须解决的非常重要的问题.提出一种高速飞行器瞬态气动加热控制系统中传感器的快速、高精度"E-T"转换方法.该方法具有计算简单、转换速度快、校正精度高的优点,使用该方法实现了高速飞行器气动加热过程中温度场高速变化状态下的瞬态非线性动态控制.

High Speed and Accurate "E-T" Translation Method for Transient Aerodynamic Heating Control System

To simulate the transient aerodynamic heating condition of high speed flight vehicle, the high speed and accurate computer transient control system must be used to realize the high speed nonlinear dynamic controlling in the heating process of aerodynamic simulation experiment. To reach this aim, a very important problem of high speed and accurate E T translation of sensor must be solved. A high speed and accurate E T translation method of sensor for transient aerodynamic heating control system of high speed flight vehicle is proposed. This method possesses many advantages, such as, easy to calculation, with high translating speed and high accurate calibration. Using this method, the transient nonlinear dynamic controlling in the aerodynamic heating process of high speed flight vehicle and under high speed variable temperature field has been realized.