飞行模拟器新型倾斜协调体感算法应用分析
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中图分类号:

TP391.9

基金项目:

国家自然科学基金委员会与中国民用航空局联合资助项目(U1733128)。


Application analysis of a novel tilted coordination body sense algorithm for flight simulator
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    摘要:

    经典洗出滤波算法在一次突发过载运动后,平动低频输出持续加速度与参考加速度存在较大的感觉误差,为提高模拟器动感逼真度,针对经典洗出算法结构提出一种新型倾斜协调体感算法:采用模糊逻辑补偿思想,以人体感官模型洗出信号误差及变化率作为模糊控制器输入补偿于倾斜协调通道;去除低通滤波器,将输入参考信号与平动高频信号差值及模糊补偿合成信号代替低通滤波器输入信号,结合平动高通角加速度二次滤波补偿和加速度补偿使得洗出效果在有限的空间内达到最优。以模拟飞机加速度信号进行Simulink仿真,结果表明提出的算法在相位延迟和虚假暗示方面有较大改善,同时扩展了运动范围,增加了模拟逼真度。

    Abstract:

    After a sudden and overloaded motion,there is a large sensory error between translational low frequency output continuous acceleration and reference acceleration by classic filter algorithm. In order to improve the dynamic fidelity of the simulator,a novel tilt coordination somatosensory algorithm is proposed for the classical washing algorithm structure.Based on the fuzzy logic compensation idea,the signal error and the rate of change of human sensory model were used as input compensation of the fuzzy controller in the tilted coordination channel. The low-pass filter was removed and the input signal of the low pass filter was replaced with the difference between the input reference signal and the translational high frequency signal and the fuzzy compensation synthetic signal in combination with secondary filtering of translational highpass angular acceleration to compensate angle displacement and acceleration compensation,optimizing the washing effect in a limited space. A simulation of the aircraft acceleration signal is done and the results show that the proposed algorithm brings a great improvement in phase delay and false hints,while extending the range of motion and increasing the simulation fidelity.

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王辉,张保峰.飞行模拟器新型倾斜协调体感算法应用分析[J].重庆大学学报,2019,42(5):19-26.

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  • 收稿日期:2019-02-03
  • 在线发布日期: 2019-05-24
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