Paper Info
Title
Perfect tracking control using multirate control in magnetic levitation system
Abstract
This paper presents a tracking control design method for nonminimum phase systems based on multirate control. Traditionally, perfect tracking control schemes cannot be applied to nonminimum phase plants because of unstable pole-zero cancellations. Although methods of zero assignment based on multirate control and the method of state matching using multirate feedforward control to realize perfect tracking control have been proposed, the oscillation restraint and the feasibility in nonminimum phase systems cannot be satisfied at same time. We propose a method using the difference of state variables to generate a smooth desired state variable trajectory in the discrete-time systems. The techniques we proposed are applicable to nonminimum phase discrete-time systems and the oscillations between the sampling points are restrained well. Finally, computer simulations and experiment results based on magnetic levitation apparatus are presented.
Year
DOI
Venue
2005
10.1109/ISCAS.2005.1465719
ISCAS (5)
Keywords
Field
DocType
MIMO systems,discrete time systems,feedforward,magnetic levitation,motion control,position control,state feedback,MIMO system state feedback,PTC,discrete-time systems,feedforward controller,magnetic levitation systems,motion control systems,multirate control,nonminimum phase systems,oscillation restraint,perfect tracking control,positioning control systems,smooth state variable trajectory,state matching
Magnetic levitation system,Motion control,Oscillation,Control theory,Computer science,Electronic engineering,Control engineering,Magnetic levitation,Sampling (statistics),State variable,Trajectory,Feed forward
Conference
ISSN
ISBN
Citations 
0271-4302
0-7803-8834-8
0
PageRank 
References 
Authors
0.34
2
4
Name
Order
Citations
PageRank
Feng Li100.34
Kyohei Ishihata200.34
Jianming Lu38216.75
Takashi Yahagi47620.52