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In this paper, we study scale-free state synchronization of discrete-time homogeneous multi-agent systems (MAS) subject to unknown, nonuniform, and arbitrarily large communication delays. The scale-free protocol utilizes localized…

Systems and Control · Electrical Eng. & Systems 2021-02-12 Zhenwei Liu , Donya Nojavanzadeh , Ali Saberi , Anton A. Stoorvogel

In this paper, we study output synchronization for multi-agent systems. The objective is to design a protocol which only depends on the agent dynamics and does not require any knowledge of the network. If the network has a directed spanning…

Systems and Control · Electrical Eng. & Systems 2025-12-09 Anton A. Stoorvogel , Ali Saberi , Zhenwei Liu , Qiaofeng Wen

In this paper, we study delayed regulated state/output synchronization for discrete-time homogeneous and heterogeneous networks of multi-agent systems (MAS) subject to unknown, non-uniform and arbitrarily large communication delays. A delay…

Systems and Control · Electrical Eng. & Systems 2020-07-08 Donya Nojavanzadeh , Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

Originally, protocols were designed for multi-agent systems (MAS) using information about the network which might not be available. Recently, there has been a focus on scale-free synchronization where the protocol is designed without any…

Systems and Control · Electrical Eng. & Systems 2024-10-25 Anton A. Stoorvogel , Ali Saberi , Zhenwei Liu

In this paper, we propose a new framework for synchronization of heterogeneous multi agent system which we refer to as weak synchronization. This new framework of synchronization is based on achieving the network stability in the absence of…

Systems and Control · Electrical Eng. & Systems 2025-02-04 Anton A. Stoorvogel , Ali Saberi , Zhenwei Liu

In this paper, we have focused on identifying a class of continuous- and discrete-time MAS for which a scale-free non-collaborative (i.e., scale-free fully distributed) linear protocol design is developed. We have identified conditions on…

Systems and Control · Electrical Eng. & Systems 2024-04-16 Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

In this paper, we investigate scale-free delta-level coherent output synchronization for multi-agent systems (MAS) operating under bounded disturbances or noises. We introduce an adaptive scale-free framework designed solely based on the…

Systems and Control · Electrical Eng. & Systems 2026-02-12 Anton A. Stoorvogel , Ali Saberi , Donya Nojavanzadeh

This paper studies synchronization of homogeneous and heterogeneous discrete-time multi-agent systems. A class of linear dynamic protocol design methodology is developed based on localized information exchange with neighbors which does not…

Systems and Control · Electrical Eng. & Systems 2020-04-22 Donya Nojavanzadeh , Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

This paper provides necessary and sufficient conditions for the existence of solutions to the state synchronization problem of homogeneous multi-agent systems (MAS) via scale-free linear dynamic non-collaborative protocol for both…

Systems and Control · Electrical Eng. & Systems 2024-06-18 Anton A. Stoorvogel , Ali Saberi , Zhenwei Liu

In this paper, we study scalable $\delta-$level coherent state synchronization for multi-agent systems (MAS) where the agents are subject to bounded disturbances/noises. We propose a scale-free framework designed solely based on the…

Systems and Control · Electrical Eng. & Systems 2024-10-29 Donya Nojavanzadeh , Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

This paper studies delayed synchronization of continuous-time multi-agent systems (MAS) in the presence of unknown nonuniform communication delays. A delay-free transformation is developed based on a communication network which is a…

Systems and Control · Computer Science 2020-01-07 Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel , Rong Li

This paper studies scale-free protocol design for H2 almost state synchronization of homogeneous networks of non-introspective agents in presence of external disturbances. The necessary and sufficient conditions are provided by designing…

Systems and Control · Electrical Eng. & Systems 2020-06-04 Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel , Donya Nojavanzadeh

This paper studies scale-free protocol design for H_\infty almost output and regulated output synchronization of heterogeneous multi-agent systems with linear, right-invertible, and introspective agents in presence of external disturbances.…

Systems and Control · Electrical Eng. & Systems 2021-04-26 Donya Nojavanzadeh , Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

This paper studies regulated state synchronization of homogeneous networks of non-introspective agents in presence of unknown nonuniform input delays. A scale-free protocol is designed based on additional information exchange, which does…

Systems and Control · Electrical Eng. & Systems 2020-01-08 Zhenwei Liu , Donya Nojavanzadeh , Dmitri Saberi , Ali Saberi , Anton A. Stoorvogel

In this paper, we consider scalable output and regulated output synchronization problems for heterogeneous networks of right-invertible linear agents based on localized information exchange where in the case of regulated output…

Systems and Control · Electrical Eng. & Systems 2020-12-29 Donya Nojavanzadeh , Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

Adaptive synchronization protocols for heterogeneous multi-agent network are investigated. The interaction between each of the agents is carried out through a directed graph. We highlight the lack of communication between agents and the…

Systems and Control · Electrical Eng. & Systems 2020-10-07 Miguel F. Arevalo-Castiblanco , Duvan A. Tellez-Castro , Jorge Sofrony , Eduardo Mojica-Nava

This paper studies global regulated state synchronization of discrete-time double-integrator multi-agent systems subject to actuator saturation by utilizing localized information exchange. We propose a scale-free linear protocol that…

Systems and Control · Electrical Eng. & Systems 2022-10-27 Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

This paper studies global regulated state synchronization of homogeneous networks of non-introspective agents in presence of input saturation. We identify three classes of agent models which are neutrally stable, double-integrator, and…

Systems and Control · Electrical Eng. & Systems 2020-04-29 Zhenwei Liu , Donya Nojavanzadeh , Ali Saberi , Anton A. Stoorvogel

This paper studies scalable global state synchronization of discrete-time double integrator multi-agent systems in presence of input saturation based on localized information exchange. A scale-free collaborative linear dynamic protocols…

Systems and Control · Electrical Eng. & Systems 2022-04-12 Zhenwei Liu , Ali Saberi , Anton A. Stoorvogel

In this paper, the communication effort required in a multi-agent system (MAS) is minimized via an explicit optimization formulation. The paper considers a MAS of single-integrator agents with bounded inputs and a time-invariant…

Systems and Control · Electrical Eng. & Systems 2023-05-05 Vishal Sawant , Debraj Chakraborty , Debasattam Pal
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