1985-10-01

Advanced Flight Control Actuation Systems and Their Interface with Digital Commands 851754

Advanced flight control actuation systems require that the actuator be capable of interfacing with centralised digital computing systems.The actuation specialist must consider the electro hydraulic system as a whole, including the closed loop servo electronics, from the command distribution databus to the final output member.This paper discusses the overall approach of a primary flight control specialist company, with the lateral implications of direct drive and multi redundant valve configurations, higher system pressures and direct rotary actuation.

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