AIRCRAFT APPROACH LANDING ACS Russian patent published in 2008 - IPC B64C13/16 

FIELD: transportation.

SUBSTANCE: ACS system incorporates a glide-path receiver, the first adder, the second adder and the terminator connected in series. Also, connected in series are the first differentiating component with its input connected to the glide-path receiver output and the first filter with its output connected to the first adder second input. Connected in series are a pitching angle pick up, the second differentiating component and the second filter with its output connected to the second adder second input. Connected in series are also the third adder with its first input connected to the pitching angle pickup output, while the second input is connected to the pitching angle speedup signal generator, the isodromic filter, the forth adder, the first scale unit and the fifth adder. Connected in series are the pitching angular speed pickup, the second scale unit and the sixth adder with its second input coupled with the elevator in response to the automatic equalising signal and its input connected to the fifth adder second input. Also, connected in series are the seventh adder, the third scale unit, the second terminator and integrating component. The seventh adder input is connected to the first terminator output, while the integrating unit output is connected to the second inputs of the forth and seventh adders.

EFFECT: higher noise immunity and higher accuracy of automatic approach landing.

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