Network-based PI control for output tracking of continuous-time systems with time-varying sampling and network-induced delays

被引:21
|
作者
Zhang, Dawei [1 ]
Zhou, Zhiyong [1 ]
Jia, Xinchun [1 ]
机构
[1] Shanxi Univ, Sch Math Sci, Taiyuan 030006, Shanxi, Peoples R China
关键词
TRIGGERED H-INFINITY; FEEDBACK CONTROL; LINEAR-SYSTEMS; FILTER DESIGN; LMI APPROACH; STABILITY; STABILIZATION; INEQUALITY; PLATFORMS; ETHERNET;
D O I
10.1016/j.jfranklin.2018.04.041
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
For a continuous-time linear system with constant reference input, the network-based proportional-integral (PI) control is developed to solve the output tracking control problem by taking time-varying sampling and network-induced delays into account. A traditional PI control system is introduced to obtain the equilibriums of state and control input. Using the equilibriums, a discrete-time PI tracking controller in a network environment is constructed. The resulting network-based PI control system is described by an augmented system with two input delays and the output tracking objective is transformed into ensuring asymptotic stability of the augmented system. A delay-dependent stability condition is established by a discontinuous augmented Lyapunov-Krasovskii functional approach. The PI controller design result of in-wheel motor as a case study is provided in terms of linear matrix inequalities. Matlab simulation and experimental results resorting to a test-bed for ZigBee-based control of in-wheel motor are given to validate the proposed method. (C) 2018 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:4794 / 4808
页数:15
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