"Multilayer Neural Network-based Optimal Adaptive Tracking Control of P" by Rohollah Moghadam, Pappa Natarajan et al.
 

Multilayer Neural Network-based Optimal Adaptive Tracking Control of Partially Uncertain Nonlinear Discrete-time Systems

Document Type

Conference Proceeding

Publication Date

12-14-2020

Department

Electrical Engineering

Abstract

In this paper, online optimal adaptive tracking control of nonlinear discrete-time systems in affine form with uncertain internal dynamics is presented. The augmented system and the cost function over infinite horizon for the augmented state are defined. Two-layer neural network (NN) -based actor-critic framework is introduced to estimate the optimal control input and value function. The temporal difference (TD) error is derived as a function of the difference between actual and estimated value function. The NN weights of critic and actor are tuned at every sampling instant as a function of the instantaneous temporal difference errors and control policy errors, respectively. The proposed scheme ensures the closed-loop stability in the form of boundedness. Simulation results are provided to illustrate the effectiveness of the proposed approach. © 2020 IEEE.

DOI

10.1109/CDC42340.2020.9304237

First Page

2204

Last Page

2209

Publication Title

Proceedings of the IEEE Conference on Decision and Control

ISBN

9781728174471

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