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- Title
Cooperative output regulation of linear heterogeneous systems with mismatched uncertainties via generalised extended state observer.
- Authors
Yadong Zhao; Weidong Zhang
- Abstract
Cooperative output regulation is a general framework, which considers output synchronisation, homogenisation and disturbance rejection simultaneously. To be an extension, this study divides the lumped disturbance into two parts, namely, local disturbance which is slow-varying, mismatched and non-linear, and global disturbance generated by an autonomous linear system. Generalised extended state observers (GESOs) are constructed to estimate the local states, the local disturbances and the global disturbance simultaneously. Observer-based controllers are designed to realise cooperative output regulation in the presence of mismatched uncertainties. In control design, a linear matrix inequality-based design methodology is proposed to get the exponentially convergent GESO with guaranteed decay rate. A simulation example is then shown to validate the theoretical results
- Subjects
LINEAR systems; LINEAR matrix inequalities; FEEDBACK control systems; MULTIAGENT systems; STABILITY theory; LYAPUNOV exponents
- Publication
IET Control Theory & Applications (Wiley-Blackwell), 2017, Vol 11, Issue 5, p685
- ISSN
1751-8644
- Publication type
Article
- DOI
10.1049/iet-cta.2016.1411