Health monitoring of multi-slice hinge line actuators

A multi-slice hinge-line actuator includes a plurality of actuator slices mounted around a common axis of rotation and arranged to be rotated around the axis of rotation by a drive means in response to a control signal, the slices spaced axially along the axis of rotation. Each actuator slice has a...

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Bibliographische Detailangaben
Hauptverfasser:	Derry, John, Harrison, Colin R
Format:	Patent
Sprache:	eng
Schlagworte:	AEROPLANES AIRCRAFT AVIATION BLASTING COSMONAUTICS ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HELICOPTERS LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A multi-slice hinge-line actuator includes a plurality of actuator slices mounted around a common axis of rotation and arranged to be rotated around the axis of rotation by a drive means in response to a control signal, the slices spaced axially along the axis of rotation. Each actuator slice has a first attachment means for attachment to a relatively fixed structure and a second attachment means for attachment to a moveable structure to be moved by the actuator in response to the control signal. The actuator also includes means for monitoring a strain pattern in the actuator at a plurality of locations along the axial direction of the actuator.