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首页> 外文期刊>Journal of Aircraft >Aircraft Parameter Estimation Experiment Design Considering Measurement Colored Residuals
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Aircraft Parameter Estimation Experiment Design Considering Measurement Colored Residuals

机译：考虑有色残量的飞机参数估计实验设计

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摘要

This work deals with the optimization of flight-test maneuvers for aerodynamic parameter estimation considering that the measurements are contaminated with colored residuals. The colored residuals consideration is important to give a direct and realistic assessment of the parameter estimation uncertainty levels before flight testing. The design technique is based on the optimization of the flight-test data information content and the Cramer-Rao lower bound. The discrete autocorrelation matrix of the measurement residuals is also used to compose the optimization criterion, thereby explicitly considering colored residuals. To validate the proposed technique, a flight-test campaign of the CEA-205 CB-9 Curumim was performed and its results discussed. The advantages of the proposed maneuver optimization technique are presented, stressing the ease of implementation of the signals and the strong improvement in the estimation procedures made possible with the application of the optimized maneuver signals.
机译：考虑到测量结果被有色的残留物污染，这项工作涉及对空气动力学参数估计的飞行测试操作的优化。有色残差的考虑对于在飞行测试之前对参数估计不确定性水平进行直接而实际的评估很重要。该设计技术基于飞行测试数据信息内容和Cramer-Rao下限的优化。测量残差的离散自相关矩阵也用于构成优化准则，从而明确考虑有色残差。为了验证所提出的技术，对CEA-205 CB-9 Curumim进行了飞行测试，并对其结果进行了讨论。提出了所提出的机动优化技术的优点，强调了信号实现的简便性，并且通过优化机动信号的应用使得估计程序的强大改进成为可能。

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