飞行模拟器操纵负荷系统的无源性设计

Abstract

Abstract: The control loading system of a flight simulator is an interface between the human operator and the flight simulator. A novel design idea is proposed for such a man-in-loop real time control system. It is pointed out that the design must be based on the combination of passivity with the concept of impedance, and the frequency response of the impedance of the system is used as a quantified design tool in the design. Based on the frequency analysis, an additional damping term is included in the controller design so that the resulting impedance transmitted to the operator's hand is matched closely to the flight environment impedance. It is also pointed out that the damping ratio of the force servo of the control loading system must be in the range of 0.5-0.8 to meet the passivity requirement of the virtual environment. The passivity of the control loading system can ensure the stability of the whole system. The proposed design methodology can also be used to design various virtual environments.

Key words: flight simulators, control loading system, real time control, virtual environment, passivity, impedance matching

CLC Number:

V249.4

LIU Yanwen, WANG Guangxiong, LI Jia. Passivity Design for the Control Loading System of a Flight Simulator[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2011, 32(12): 2303.

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Passivity Design for the Control Loading System of a Flight Simulator

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