Adaptive Control Solution for a Class of MIMO Uncertain Underactuated Systems with Saturating Inputs
Journal Title: International Journal of Intelligent Systems and Applications in Engineering - Year 2016, Vol 4, Issue 4
Abstract
This paper addresses the issue of controller design for a class of multi-input multi-output (MIMO) uncertain underactuated systems with saturating inputs. A systematic controller framework, composed of a hierarchically generated control term, meant to ensure the stabilization of a particular portion of system dynamics and some dedicated control terms designed to solve the tracking problem of the remaining system dynamics is presented. Wavelet neural networks are used as adaptive tuners to approximate the system uncertainties also to reshape the control terms so as to deal with the saturation nonlinearity in an antiwindup paradigm. Gradient based tuning laws are developed for the online tuning of adjustable parameters of the wavelet network. A Lyapunov based stability analysis is carried out to ensure the uniformly ultimately bounded (UUB) stability of the closed loop system. Finally, a simulation is carried out which supports the theoretical development.
Authors and Affiliations
Ajay Kulkarni*| Medicaps Institute of Technology and Management, Indore, India, Abhay Kumar| School of Electronics, DAVV, Indore, India
Keywords
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- EP ID EP812
- DOI 10.18201/ijisae.2016426385
- Views 446
- Downloads 25
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