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High-Performance Tracking Controller for Discrete Plant Using Nonlinear Sliding Surface

DSpace at IIT Bombay

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Title High-Performance Tracking Controller for Discrete Plant Using Nonlinear Sliding Surface
 
Creator BANDYOPADHYAY, B
FULWANI, D
 
Subject variable structure systems
improving transient performance
drive servo system
mode control
feedback-control
linear-systems
input saturation
design
discrete-time sliding mode
multirate output feedback (mrof)
nonlinear sliding surface
 
Description A nonlinear sliding surface is proposed to improve the transient response for general discrete multiple-input multiple-output linear systems with matched perturbations. The tracking case is analyzed, and it is shown that the scheme is able to achieve low overshoot and low settling time simultaneously; this is not possible with a linear sliding surface. The control law is based on the discrete-time sliding mode equivalent control and thus eliminates chattering. The control law is proposed based on two approaches: 1) reaching-law-based approach which needs only disturbance bounds and 2) disturbance-observer-based approach. Multirate output feedback is used to relax the need of the entire state vector for the implementation of the control law. A magnetic tape position control application is used to show the effectiveness of the proposed scheme.
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2011-08-01T04:17:08Z
2011-12-26T12:53:15Z
2011-12-27T05:40:31Z
2011-08-01T04:17:08Z
2011-12-26T12:53:15Z
2011-12-27T05:40:31Z
2009
 
Type Article
 
Identifier IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 56(9), 3628-3637
0278-0046
http://dx.doi.org/10.1109/TIE.2008.2007984
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8338
http://hdl.handle.net/10054/8338
 
Language en