Fractional-Order Nonlinear Disturbance Observer Based Control of Fractional-Order Systems

被引：2

作者：

Munoz-Vazquez, Aldo Jonathan ^{[1
]}

Parra-Vega, Vicente ^{[2
]}

Sanchez-Orta, Anand ^{[2
]}

机构：

[1] Polytech Univ Victoria, Mechatron Engn, Ciudad Victoria 87138, Tamaulipas, Mexico

[2] Res Ctr Adv Studies, Robot & Adv Mfg, Saltillo 25900, Coahuila, Mexico

来源：

JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS | 2018年 / 13卷 / 07期

关键词：

fractional-order systems; disturbance observer; fractional sliding mode control; SLIDING MODE CONTROL; QUADRATIC LYAPUNOV FUNCTIONS; STABILIZATION; QUADROTOR; STABILITY; DESIGN;

D O I：

10.1115/1.4040129

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The robust control for a class of disturbed fractional-order systems is presented in this paper. The proposed controller considers a dynamic observer to exactly compensate for matched disturbances in finite time, and a procedure to compensate for unmatched disturbances is then derived. The proposed disturbance observer is built upon continuous fractional sliding modes, producing a fractional-order reaching phase, leading to a continuous control signal, yet able to reject for some continuous but not necessarily differentiable disturbances. Numerical simulations and comparisons are presented to highlight the reliability of the proposed scheme.

引用

页数：8

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