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		Yanli FENG,Zhongke SHI,Wei TANG.[en_title][J].Control Theory and Technology,2011,9(2):231~236.[Copy]

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YanliFENG,ZhongkeSHI,WeiTANG
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(College of Automation, Northwestern Polytechnical University)

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Received:May 31, 2009Revised:March 28, 2010

基金项目:This work was supported by the Aviation Science Foundation of China (No. 2007ZD53053).

Dynamics modeling and control of large transport aircraft in heavy cargo extraction

Yanli FENG,Zhongke SHI,Wei TANG

(College of Automation, Northwestern Polytechnical University)

Abstract:

In this paper, a novel version of six-degree-of-freedom nonlinear model for transport aircraft motion in cargo extraction is developed and validated by the theoretical mechanics and flight mechanics. In this model constraint force and moment reflecting the flight dynamic effects of inner moving cargo are formulated. A methodology for a control law design in this phase is presented, which linearizes the aircraft dynamics making use of piecewise linearization and utilizes robust control technique for interval system to achieve specified handling qualities with robustness to uncertainties. The simulations demonstrate adequate effectiveness and excellent robustness of the proposed controller.

Key words: Cargo extraction Transport aircraft Flight dynamic model Equilibrium Interval system Robust control