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首页> 外文期刊>Optimal Control Applications and Methods >Switched linear parameter-varying tracking control for quadrotors with large attitude angles and time-varying inertia
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Switched linear parameter-varying tracking control for quadrotors with large attitude angles and time-varying inertia

机译：Switched linear parameter-varying tracking control for quadrotors with large attitude angles and time-varying inertia

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摘要

This paper is concerned with large-angle attitude tracking control for quadrotors in the presence of time-varying inertia and external disturbances using a switched linear parameter-varying (LPV) system method. The attitude system of the quadrotor is divided into two parts, that is, the outer attitude-angle loop and inner angular-velocity loop. A feedback linearization controller is designed in the outer loop to generate the desired angular velocities. In the inner loop, the nonlinear quadrotor dynamics with time-varying inertia is approximated by a switched LPV system that consists of a series of LPV models. The persistent dwell time (PDT) switching logic is adopted to describe the fast and slow switches coexist among these LPV models. Then, both the continuous-time state-feedback and dynamic output-feedback controllers are designed, which ensure the globally uniformly asymptotically stability and Script capital L-2-Script capital L-infinity external disturbance attenuation performance of the attitude tracking error system. Finally, the effectiveness of the proposed tracking control method of quadrotors is validated with an example.

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