Abstract

Flight simulator is an important application in the field of aerospace as semi-physical simulation equipment. As it requires supreme control precision and stability, it is especially important to search the performance assessment of flight simulator servo system. The traditional researches on flight simulator control performance index is more about dynamic output tracking features but few on input characteristics and effects. Based on Linear Quadratic Gaussian (LQG) performance benchmark, this paper makes analyses on high precision flight simulator in three kinds of controller while considering the influences of input and output signals’ effect on controllers. After processing the input and output data, combined with the linear fitting method, we can obtain LQG performance tradeoff curve. Through comparing the controller’s actual performance with the optimal performance, we’ll gain the controller’s control performance index and its potential.

Highlights

  • The flight simulator servo system is a semi-physical simulation equipment in aerospace field where the design and development of aerospace aircraft, missiles play key roles

  • Control Performance Assessment (CPA) technology already ensures those in the whole process of industrial production of various controllers can run at good states

  • Control Performance Assessment’s goal is to estimate a lower bound performance of the designed control system by monitoring the running system and processing a range of data getting from the closed-loop system

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Summary

Introduction

The flight simulator servo system is a semi-physical simulation equipment in aerospace field where the design and development of aerospace aircraft, missiles play key roles. Control Performance Assessment (CPA) technology already ensures those in the whole process of industrial production of various controllers can run at good states. Control Performance Assessment’s goal is to estimate a lower bound performance of the designed control system by monitoring the running system and processing a range of data getting from the closed-loop system. Operators can judge the running state of the system and figure out whether the current control performance accords with the anticipated design goal. If it cannot meet the design requirements, CPA will locate the fault point in time and give reasonable suggestions

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