Approach to hover control system for helicopters

Details Approach to hover control system for helicopters Approach to hover control system for helicopters

B - Operations, Transporting

64

C

341/81

B64C 27/57 (2006.01) G05D 1/06 (2006.01)

Patent

CA 1311034

ABSTRACT An improved apparatus for automatic deceleration of a helicopter to substantially zero air speed from a glide slope descent. Parameters available in a typical helicopter automatic flight control system, such as vertical speed, glide slope error, longitudinal acceleration, and pitch attitude are blended together in a manner as to approximate helicopter ground speed which is then used in a control law computation to decelerate the helicopter to a near hover speed as the vehicle approaches a preset altitude minimum.

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