Prescribed-performance tracking for high-power nonlinear dynamics with time-varying unknown control coefficients

被引：33

作者：

Lv, Maolong ^{[1
,2
]}

Chen, Zhiyong ^{[5
]}

De Schutter, Bart ^{[3
]}

Baldi, Simone ^{[4
]}

机构：

[1] Air Force Engn Univ, Air Traff Control & Nav Coll, Xian 710051, Peoples R China

[2] Air Force Engn Univ, Coll Aeronaut Engn, Xian 710038, Peoples R China

[3] Delft Univ Technol, Delft Ctr Syst & Control, NL-2628 CD Delft, Netherlands

[4] Southeast Univ, Sch Math, Nanjing 210096, Peoples R China

[5] Univ Newcastle, Sch Elect Engn & Comp, Callaghan, NSW 2308, Australia

来源：

AUTOMATICA | 2022年 / 146卷

关键词：

Nussbaum function; High-power nonlinear dynamics; Adaptive control; Switching conditional inequality; PPC; STRICT-FEEDBACK SYSTEMS; ROBUST ADAPTIVE-CONTROL; CONTROL DIRECTIONS; OUTPUT REGULATION; DELAY SYSTEMS; STABILIZATION; CONSENSUS; DESIGN;

D O I：

10.1016/j.automatica.2022.110584

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Prescribed-performance control (PPC) for high-power dynamics with time-varying unknown control coefficients requires to address two open problems: (a) given a Nussbaum function, which properties hold for the power of the Nussbaum function? (b) to avoid high gains, how to design a switching gain that increases only when the tracking error is close to violate the performance bounds? To address the first problem, we show with a counterexample and a positive example that only some Nussbaum functions are suited to handle time-varying unknown control coefficients for high-power dynamics. To address the second problem, we propose a new switching conditional inequality. (c) 2022 Elsevier Ltd. All rights reserved.

引用

页数：9

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