Fixed-Time Anti-Disturbance Average-Tracking for Multi-Agent Systems Without Velocity Measurements  

作　　者：LI Yuling LIU Chenglin ZHANG Ya CHEN Yangyang 

机构地区：[1]Key Laboratory of Advanced Process Control for Light Industry(Ministry of Education),Institute of Automation,Jiangnan University,Wuci 214122,China [2]School of Automation,Southeast University,Nanjing 210096,China

出　　处：《Journal of Systems Science & Complexity》2024年第3期985-1002,共18页系统科学与复杂性学报（英文版）

基　　金：supported by the National Natural Science Foundation of China under Grant Nos.61973139,61973082 and 61473138;the Fundamental Research Funds for the Central Universities under Grant No.JUSRP22014。

摘　　要：In this paper,the authors tackle a fixed-time average-tracking problem for multi-agent systems which do not require velocity measurements and are affected by external mismatched and matched disturbances.The objective requires the considered agents with second-order dynamics to follow the average value of several time-varying reference signals,each of which is acquired by only one agent.First of all,the average value is estimated by using a novel distributed average estimator in a fixed time.Second,an original observer is created to provide estimated values in a fixed time for external mismatched and matched disturbances as well as unmeasured velocities of agents.Then,the authors propose a novel fixed-time anti-disturbance average-tracking protocol with the aid of the observer and a sliding mode surface.In the end,the feasibility of theoretical analysis is illustrated by some simulation experiments.

关 键 词：Average-tracking control fixed-time algorithm fixed-time observer mismatched distur-bances multi-agent systems velocity measurements 

分 类 号：O231[理学—运筹学与控制论]