Fault recoverability analysis of nonlinear systems: A piecewise affine system approach

被引：0
作者：
Wenjing Ren
Hao Yang
Bin Jiang
机构：
[1] Nanjing University of Aeronautics and Astronautics,College of Automation Engineering
来源：
International Journal of Control, Automation and Systems | 2017年 / 15卷
关键词：
Fault tolerant control; nonlinear systems; piecewise affine system; recoverability;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The recoverability reflects the capability of the system to tolerate the worst faults over a prescribed set under admissible energy constrains. In this paper, a piecewise affine (PWA) controller is designed for a PWA approximation of the nonlinear dynamics, which can stabilize the original nonlinear system under some conditions. By analyzing the upper bound of the piecewise linear quadratic control performance of the PWA system, a novel fault recoverability evaluation scheme is further proposed for the nonlinear system with respect to the given limit of admissible control performance. A longitudinal flight control example is taken to show the effectiveness of the proposed method.
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页码：547 / 556
页数：9
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