Active control of aeroelastic vibrations for electromechanical missile fin actuation systems

Yoo Chunghee

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Active control of aeroelastic vibrations for electromechanical missile fin actuation systems

机译：机电导弹翅片致动系统的气动弹性振动的主动控制

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To remove the limit cycle oscillations caused by aeroelasitc interaction actively, a novel robust control method using the enhanced time-delay control algorithm with the newly developed severe nonlinearity compensator is proposed and applied to the electromechanical fin actuation system of a guided missile. The results of various experimental tests reveal that the proposed controller can improve the overall command tracking performance of the missile fin actuator. Especially through the flight tests, it is corifirmed that the proposed method compensates for dynamic stiffness degradations and structural nonlinearities of the missile fin actuation system efficiently, and this allows the proposed method to suppress the aeroelastic vibrations more effectively than the conventional approaches. Furthermore, as the proposed controller has a very simple structure and high computational efficiency in onboard real-time implementation, it has the advantage of rapid reaction to the effects of aeroelastic instabilities.

机译：为了有效消除气动弹力相互作用引起的极限循环振荡，提出了一种新的鲁棒控制方法，该方法采用改进的时滞控制算法和新开发的严重非线性补偿器，并将其应用于制导导弹的机电鳍片致动系统。各种实验测试的结果表明，所提出的控制器可以提高导弹鳍式致动器的总体命令跟踪性能。尤其是通过飞行试验，证实了所提出的方法可以有效地补偿导弹翅片致动系统的动态刚度降低和结构非线性，并且这使得所提出的方法能够比传统方法更有效地抑制气动弹性振动。此外，由于所提出的控制器在机载实时实现中具有非常简单的结构和较高的计算效率，因此具有对气动弹性不稳定性的影响做出快速反应的优点。

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《Journal of guidance, control, and dynamics》 |2017年第12期|3296-3303|共8页
作者
Yoo Chunghee;
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Agency for Defense Development, 1st Research and Development Institute, Yuseong P.O. Box 35, Daejeon, South Korea;

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Active control of aeroelastic vibrations for electromechanical missile fin actuation systems

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