Distributed Observer Design for Omniscience Asymptotical Aimed at a Class of Nonlinear System
Haotian Xu, Jingcheng Wang, Hongyuan Wang, Bohui Wang, Miaoshun Bai · 2019
This paper proposes a scheme of distributed observer for a class of nonlinear system. The observer includes a group of local observers and all of these local observers are linked with a communication network. By this way, each observer can estimate the whole states of the system. To deal with the nonlinear problem, partial observable canonical form (POCF) is introduced to construct the local observer. All local observers are in different structure because different output results in different POCF. This paper gives a group of sufficient conditions to guarantee that the proposed distributed observer can achieve omniscience asymptotically. A simulation example shows the validity of the main result.