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