Finite-Time Composite Position Control for a Disturbed Pneumatic Servo System
Joint Authors
Li, Guipu
Wang, Xiaojun
Sun, Jiankun
Source
Mathematical Problems in Engineering
Issue
Vol. 2016, Issue 2016 (31 Dec. 2016), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2016-12-05
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
This paper investigates the finite-time position tracking control problem of pneumatic servo systems subject to hard nonlinearities and various disturbances.
A finite-time disturbance observer is firstly designed, which guarantees that the disturbances can be accurately estimated in a finite time.
Then, by combining disturbances compensation and state feedback controller together, a nonsmooth composite controller is developed based on sliding mode control approach and homogeneous theory.
It is proved that the tracking errors under the proposed composite control approach can be stabilized to zero in finite time.
Moreover, compared with pure state feedback control, the proposed composite control scheme offers a faster convergence rate and a better disturbance rejection property.
Finally, numerical simulations illustrate the effectiveness of the proposed control scheme.
American Psychological Association (APA)
Wang, Xiaojun& Sun, Jiankun& Li, Guipu. 2016. Finite-Time Composite Position Control for a Disturbed Pneumatic Servo System. Mathematical Problems in Engineering،Vol. 2016, no. 2016, pp.1-10.
https://search.emarefa.net/detail/BIM-1112193
Modern Language Association (MLA)
Wang, Xiaojun…[et al.]. Finite-Time Composite Position Control for a Disturbed Pneumatic Servo System. Mathematical Problems in Engineering No. 2016 (2016), pp.1-10.
https://search.emarefa.net/detail/BIM-1112193
American Medical Association (AMA)
Wang, Xiaojun& Sun, Jiankun& Li, Guipu. Finite-Time Composite Position Control for a Disturbed Pneumatic Servo System. Mathematical Problems in Engineering. 2016. Vol. 2016, no. 2016, pp.1-10.
https://search.emarefa.net/detail/BIM-1112193
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1112193