ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Mechanism and sensitivity of force fight in dual redundant electromechanical actuators
Received date: 2022-06-01
Revised date: 2022-06-22
Accepted date: 2022-08-12
Online published: 2022-08-31
Supported by
Graduate Research Innovation Grant Program in Civil Aviation University of China(2021YJS076)
Existence of force fight in the position response process of the active-active dual redundant electromechanical actuation system is harmful to the safety of servomechanism. To better mitigate force fight， it is necessary to analyze its origin and determine the influence mechanism of system parameters on it. The parameters which have effect on force fight are obtained through theoretical analysis. Through Monte-Carlo simulation， the influence of each parameter on dynamic force fight and static force fight is discussed. By sensitivity analysis of the parameters which have effect on force fight， the parameters that have the greatest influence on force fight are obtained， including position signal discontinuity， position signal offset，delay of position sensor， and backlash，which can provide a reference for the design of the force equalization control method for the flight control system and conformity verification consideration.
Xiaozhe SUN , Dong HOU , Jianzhong YANG . Mechanism and sensitivity of force fight in dual redundant electromechanical actuators[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2023 , 44(S1) : 727661 -727661 . DOI: 10.7527/S1000-6893.2022.27661
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