Two Degree of Freedom H∞ Controller Design for Vibration Attenuation and Tracking of High Length to Diameter Ratio Missile

ZHANG Lei;PENG Cheng;WANG Yong;GUO Zhi wei

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    Published By: Journal Of Ballistics

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Journal Of Ballistics ›› 2010, Vol. 22 ›› Issue (4) : 1-5.

Two Degree of Freedom H∞ Controller Design for Vibration Attenuation and Tracking of High Length to Diameter Ratio Missile

  • ZHANG Lei1,2, PENG Cheng1, WANG Yong1, GUO Zhi wei1
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Abstract

For an aeroservoelasticity problem which exists between airframe vibration and control system, a two degree of freedom H∞ control algorithm for attitude tracking and vibration attenuation was proposed. A two degree of freedom controller was designed based on the couple model of rigid motion and elastic vibration. The measurement of sensors and tracking target were taken as two inputs of controller. The first two elastic modes, the attitude tracking error and control amplitude were the control objective. The controller design problem was transformed into the standard H∞ optimization framework. The simulation results show that this algorithm not only can achieve tracking but also suppress elastic vibration.

Key words

flexible missile / high length to diameter ratio / elastic vibration / aeroservoelasticity / H∞ control / two degree of freedom control

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ZHANG Lei,, PENG Cheng, WANG Yong, GUO Zhi wei. Two Degree of Freedom H∞ Controller Design for Vibration Attenuation and Tracking of High Length to Diameter Ratio Missile. Journal Of Ballistics. 2010, 22(4): 1-5

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