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A Study on the Design of Software Switching Mechanism for Develops the Flight Control Law

제어법칙 개발을 위한 소프트웨어 전환장치 설계에 관한 연구

  • Published : 2006.11.01

Abstract

Relaxed Static Stability(RSS) concept has been applied to improve aerodynamic performance of modern version supersonic jet fighter aircraft. Therefore, the flight control systems are necessary to stabilizes the unstable aircraft and provides adequate handling qualities. The initial production flight control system are verified by flight test and it's always an elements of danger because of flight-critical nature of control law function and design error due to model base design method. These critical issues impact to flight safety, and it could be lead to a loss of aircraft and pilot's life. Therefore, development of an easily modifiable RFCS(Research Flight Control System) capable of reverting to a PFCS(Primary Flight Control System) of reliable control law must be developed to guarantee the flight safety. This paper addresses the concept of SSWM(Software Switching Mechanism) using the fader logic such as TFS(Transient Free Switch) based on T-50 flight control law. The result of the analysis based on non-real time simulation in-house software using SSWM reveals that the flight control system are switching between two computers without any problem.

References

  1. J. Carter and Mark Stephenson.,'Initial flight test of the production support flight control computer at NASA dryden flight research center,' NASA Dryden Flight Research Center, California 93523-0273, August 1999
  2. 박성수 외, '공중모의비행시험을 위한 가변 안정제어 기법,' 한국항공우주학회 추계학술발표회, 평창, pp. 734-737, 2005년 11윌
  3. 안종민 외, '공중 모의 비행시험기를 위한 페이더 설계 연구,' 한국항공우주학회 춘계학술발표회, 횡성, pp. 764-767, 2006년 4월