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Practical Application of a Subscale Transport Aircraft for Flight Research in Control Upset and Failure Conditions
| 题名： | Practical Application of a Subscale Transport Aircraft for Flight Research in Control Upset and Failure Conditions |
| 作者： | Cunningham, Kevin; Foster, John V.; Morelli, Eugene A.; Murch, Austin M. |
| 关键词： | application；conditions；scale；research；transport；control；light；fail；craft；prac |
| 摘要： | Over the past decade, the goal of reducing the fatal accident rate of large transport aircraft has resulted in research aimed at the problem of aircraft loss-of-control. Starting in 1999, the NASA Aviation Safety Program initiated research that included vehicle dynamics modeling, system health monitoring, and reconfigurable control systems focused on flight regimes beyond the normal flight envelope. In recent years, there has been an increased emphasis on adaptive control technologies for recovery from control upsets or failures including damage scenarios. As part of these efforts, NASA has developed the Airborne Subscale Transport Aircraft Research (AirSTAR) flight facility to allow flight research and validation, and system testing for flight regimes that are considered too risky for full-scale manned transport airplane testing. The AirSTAR facility utilizes dynamically-scaled vehicles that enable the application of subscale flight test results to full scale vehicles. This paper describes the modeling and simulation approach used for AirSTAR vehicles that supports the goals of efficient, low-cost and safe flight research in abnormal flight conditions. Modeling of aerodynamics, controls, and propulsion will be discussed as well as the application of simulation to flight control system development, test planning, risk mitigation, and flight research. |
| 报告类型： | 科技报告 |
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