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Adaptive Neural Network Method for Consensus Tracking of High-Order Mimo Nonlinear Multi-Agent Systems | ||
| AUT Journal of Modeling and Simulation | ||
| مقاله 2، دوره 46، شماره 2، بهمن 2014، صفحه 11-21 اصل مقاله (822.98 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22060/miscj.2014.537 | ||
| نویسندگان | ||
| B. Karimi* ؛ H. Ghiti Sarand | ||
| Department of Electrical Engineering, Malek Ashtar University of Technology, Shahin Shar, Iran | ||
| چکیده | ||
| This paper is concerned with the consensus tracking problem of high order MIMO nonlinear multi-agent systems. The agents must follow a leader node in presence of unknown dynamics and uncertain external disturbances. The communication network topology of agents is assumed to be a fixed undirected graph. A distributed adaptive control method is proposed to solve the consensus problem utilizing relative information of neighbors of each agent and characteristics of the communication topology. A radial basis function neural network is used to represent the controller’s structure. The proposed method includes a robust term with adaptive gain to counter the approximation error of the designed neural network as well as the effect of external disturbances. The stability of the overall system is guaranteed through Lyapunov stability analysis. Simulations are performed for two examples: a benchmark nonlinear systems and multiple of autonomous surface vehicles (ASVs). The simulation results verify the merits of the proposed method against uncertainty and disturbances. | ||
| کلیدواژهها | ||
| Nonlinear Multi Input- Multi Output (MIMO) Systems؛ multi-agent systems؛ Neural Network؛ Adaptive control؛ Consensus Tracking | ||
| عنوان مقاله [English] | ||
| Adaptive Neural Network Method for Consensus Tracking of High-Order Mimo Nonlinear Multi-Agent Systems | ||
| نویسندگان [English] | ||
| B. Karimi؛ H. Ghiti Sarand | ||
| Department of Electrical Engineering, Malek Ashtar University of Technology, Shahin Shar, Iran | ||
| چکیده [English] | ||
| This paper is concerned with the consensus tracking problem of high order MIMO nonlinear multi-agent systems. The agents must follow a leader node in presence of unknown dynamics and uncertain external disturbances. The communication network topology of agents is assumed to be a fixed undirected graph. A distributed adaptive control method is proposed to solve the consensus problem utilizing relative information of neighbors of each agent and characteristics of the communication topology. A radial basis function neural network is used to represent the controller’s structure. The proposed method includes a robust term with adaptive gain to counter the approximation error of the designed neural network as well as the effect of external disturbances. The stability of the overall system is guaranteed through Lyapunov stability analysis. Simulations are performed for two examples: a benchmark nonlinear systems and multiple of autonomous surface vehicles (ASVs). The simulation results verify the merits of the proposed method against uncertainty and disturbances. | ||
| کلیدواژهها [English] | ||
| Nonlinear Multi Input- Multi Output (MIMO) Systems, multi-agent systems, Neural Network, Adaptive control, Consensus Tracking | ||
| مراجع | ||
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