4.8 Article

Robust Output Constrained Control for Uncertain Nonlinear Systems Subject to Magnitude and Rate Saturation: Application to Aircraft Engine

Journal

IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
Volume 17, Issue 9, Pages 6044-6053

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2020.3038939

Keywords

Stability analysis; Nonlinear systems; Closed loop systems; Asymptotic stability; Estimation; Optimization; Informatics; Active disturbance rejection control (ADRC); aircraft engine; antiwindup; local asymptotic stability; magnitude and rate saturation (MRS); output constrained control

Funding

  1. National Natural Science Foundation of China [61890920, 61890921, TII-20-3141]

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This article investigates the output constrained control problem of uncertain nonlinear systems subject to magnitude and rate saturation. A novel output constrained controller is proposed based on the antiwindup approach and the active disturbance rejection control technique, ensuring stability and preventing output limit violation. An optimization algorithm is presented for antiwindup gain computation, guaranteeing a maximized admissible set of initial states and local asymptotic stability. The proposed method is successfully applied to aircraft engine control based on a semiphysical platform, with experimental results validating its effectiveness.
In this article, we investigate the output constrained control problem of uncertain nonlinear systems subject to magnitude and rate saturation. First, a novel output constrained controller is proposed based on the antiwindup approach and the active disturbance rejection control technique. Second, the stability is analyzed for the closed-loop system incorporating the proposed controller. Third, we establish the admissible set of initial states, which the initial state belongs to such that the output limit violation is prevented. An optimization algorithm is then presented for the antiwindup gain computation. The computed antiwindup gain guarantees a maximized admissible set of initial states and local asymptotic stability. Finally, the proposed method is applied to the aircraft engine control based on a semiphysical platform. The experimental results validate the effectiveness of the proposed method.

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