飞行模拟器动力学仿真系统算法分析

Analysis of 6 DOF Flight Simulator Algorithm Realization

针对六自由度飞行模拟器仿真算法复杂性与实时性要求高的特点,首先将算法离散化为简单的加乘、三角函数运算,然后采用SDK编写C++程序实现控制算法。该方法程序设计紧凑、执行迅速,通过SetTimer()函数以采样时间(1/30s)为周期定时发出WM_TIMER消息,在该消息处理函数中具体实现手柄输入数据的读取、控制算法的计算、计算结果网络传输,从输入数据读取到输出数据传输所用时间小于采样时间(1/30s),满足了飞行模拟器在线实时控制的要求。

As the algorithm is very complex and high real time quality is required in the6DOF flight simulator,the algorithm firstly is made to discrete adding and multiplying and then realized with C++programming language in SDK.With calling the SetTimer()function,the method could accomplish reading data from control stick,algorithm 's realization,and sending the result data in a sampling cycle.It indicates that this method has met the re-quirement of6DOF flight simulation real time quality.