Neural Network Control of a Class of Nonlinear Systems With Actuator Saturation
IEEE Transactions on Neural NetworksPublished 1 January 2006
Wenzhong Gao, Rastko R. Šelmić
Citations249
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TL;DR
Simulation results indicate that the proposed neural net-based actuator saturation compensation scheme can effectively compensate for the saturation nonlinearity in the presence of system uncertainty.
Abstract
A neural net (NN)-based actuator saturation compensation scheme for the nonlinear systems in Brunovsky canonical form is presented. The scheme that leads to stability, command following, and disturbance rejection is rigorously proved and verified using a general "pendulum type" and a robot manipulator dynamical systems. Online weights tuning law, the overall closed-loop system performance, and the boundedness of the NN weights are derived and guaranteed based on Lyapunov approach. The actuator saturation is assumed to be unknown and the saturation compensator is inserted into a feedforward path. Simulation results indicate that the proposed scheme can effectively compensate for the saturation nonlinearity in the presence of system uncertainty.
Keywords
Computer ScienceEngineering
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