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Nonlinear Dynamics

, Volume 90, Issue 3, pp 2093–2110 | Cite as

Characterizing regions of attraction for piecewise affine systems by continuity of discrete transition functions

  • Yu Chen
  • Yue SunEmail author
  • Chun-Sen Tang
  • Yu-Gang Su
  • Aiguo Patrick Hu
Original Paper

Abstract

Based on an analysis of the continuity of discrete transition functions, this paper presents a new approach for characterizing piecewise affine (PWA) systems’ regions of attraction (RoAs). First, the RoA boundary is proven to consist of the points where the discrete transition function is discontinuous and of the specific parts of switching surfaces. Then, the formulas and numerical algorithm for computing states with discontinuous discrete transition functions are developed. The proposed approach enables the characterization of the entire RoA for both equilibrium points and limit cycles. Finally, the proposed method is used to analyze multiple examples. For clarity, the results of a third-order inductor-capacitor-inductor resonant inverter are provided in a video. Although we focus on PWA systems, the key concept behind continuity and stability also applies to other hybrid dynamical systems, enabling the broader application of the proposed RoA computing method.

Keywords

Piecewise affine systems Hybrid dynamical systems Switched systems Stability Region of attraction 

Notes

Acknowledgements

This work was supported in part by the National Natural Science Foundation of China under Grant 61573074, 51277192, 51477020 and by the National High-Tech R & D Program of China under Grant 2015AA010402.

Supplementary material

Supplementary material 1 (mp4 101106 KB)

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  1. 1.Automation CollegeChongqing UniversityChongqingChina
  2. 2.China State Key Laboratory of Power Transmission Equipment and System Security New TechnologyChongqing UniversityChongqingChina
  3. 3.Department of Electrical and Computer EngineeringThe University of AucklandAucklandNew Zealand

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