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Real-Time Onboard Global Nonlinear Aerodynamic Modeling from Flight Data

机译：飞行数据实时机载全局非线性空气动力学建模

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摘要

Flight test and modeling techniques were developed to accurately identify global nonlinear aerodynamic models onboard an aircraft. The techniques were developed and demonstrated during piloted flight testing of an Aermacchi MB-326M Impala jet aircraft. Advanced piloting techniques and nonlinear modeling techniques based on fuzzy logic and multivariate orthogonal function methods were implemented with efficient onboard calculations and flight operations to achieve real-time maneuver monitoring, near-real-time global nonlinear aerodynamic modeling, and prediction validation testing in flight. Results demonstrated that global nonlinear aerodynamic models for a large portion of the flight envelope were identified rapidly and accurately using piloted flight test maneuvers during a single flight, with the final identified and validated models available before the aircraft landed.
机译：开发了飞行测试和建模技术，以准确识别飞机上的全局非线性空气动力学模型。该技术是在Aermacchi MB-326M Impala喷气飞机的试飞测试中开发和证明的。实施了基于模糊逻辑和多元正交函数方法的先进驾驶技术和非线性建模技术，并进行了有效的机载计算和飞行操作，以实现实时机动监控，近实时全局非线性空气动力学建模以及飞行中的预测验证测试。结果表明，在一次飞行中使用飞行员的飞行试验演习可以快速，准确地识别出大部分飞行包线的全局非线性空气动力学模型，并且在飞机降落之前可以找到最终的经过验证的模型。

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  • 来源
    《Journal of Aircraft》 |2016年第5期|1261-1297|共37页
  • 作者

    Brandon Jay M.; Morelli Eugene A.;

  • 作者单位

    NASA, Langley Res Ctr, Flight Dynam Branch, Mail Stop 308, Hampton, VA 23681 USA|AIAA, Reston, VA 20191 USA;

    NASA, Langley Res Ctr, Dynam Syst & Control Branch, Mail Stop 308, Hampton, VA 23681 USA|AIAA, Reston, VA 20191 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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