Transverse lateral guidance law design method
A design method and guide technology, applied in the field of control law design, can solve the problems of landing failure, the aircraft easily deviates from the glide path, and the landing accuracy is reduced.
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[0028] 1) The lateral deviation signal formed by the difference between the aircraft height measured by the radar and the ideal glide path is combined with the deck motion compensation lateral deviation to form the final lateral deviation signal H er ;
[0029] the y er =y er1 +y dmc
[0030] Among them, the lateral position deviation of the aircraft from the ideal glideslope is y er1 =y 理想下滑道 -y 飞机 Generally measured by the measuring device, no design work is required; the compensation lateral deviation of the deck motion compensation output is y dmc , obtained from the output of the lateral deck motion compensator, here simply consider y dmc = 1.5 sin(0.5t). but
[0031] the y er =y er1 +y dmc =y 理想下滑道 -y 飞机 +1.5sin(0.5t)
[0032] 2) For the deviation signal y er The α-β filter is used to suppress the electronic noise in the radar measurement information and improve the measurement accuracy. Among them, the α filter is used to filter out the height error y ...
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