Device for warning a rotorcraft pilot by means of tactile signals and making use of a trim actuator connected to a flight control member
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
May 28, 2015
filing date -
May 28, 2014
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Abstract
A method of using a tactile signal warning device forming part of a human-operated flight control member of a rotorcraft. The warning device makes use of an anchorable motorized trim actuator for generating a resisting force against movement of the flight control member. The warning device comprises a warning unit that, as a function of a power margin (MP1) calculated by a predictor unit in compliance with a current regulation rating of the power plant and on condition that state data indicates that an autopilot is activated in a higher operating mode, acts to generate an order to activate the trim actuator depending on the conditions under which the flight control member is being moved as identified by a force management unit.
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