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Variable phase control of wing rock

机译:机翼岩石的变相控制

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摘要

This paper addresses a variable phase control issue for suppressing wing rock with hysteresis. In free-to-roll tests, as the angle of attack (AOA) is increased, the roll angle versus the rolling moment indicates hysteresis and provides clues about where wing rock motion is being driven and where the motion is being damped. We present the analysis method of wing rock energy to explain the mechanism of wing rock and the formation of hysteresis, and then develop a variable phase control (VPC) scheme to compensate the phase and magnitude distortions. The effectiveness and robustness of the proposed scheme are demonstrated by suppressing wing rock phenomenon at various AOA and any initial conditions.
机译:本文讨论了用于抑制具有滞后作用的机翼岩石的可变相位控制问题。在自由滑测试中,随着迎角(AOA)的增加,侧倾角与侧倾力矩之间会显示出滞后现象,并提供有关机翼岩石运动被驱动和阻尼运动的线索。我们提出了一种机翼​​岩石能量分析方法,以解释机翼岩石的机理和滞后现象的形成,然后提出一种可变相位控制(VPC)方案来补偿相位和幅度失真。通过抑制各种AOA和任何初始条件下的机翼岩石现象,证明了该方案的有效性和鲁棒性。

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