Open AccessCoefficient ratios‐based robust sliding surface and integral sliding mode control designs with optimal transient responses
Author(s) -
Ablay Günyaz
Publication year - 2014
Publication title -
iet control theory and applications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.059
H-Index - 108
eISSN - 1751-8652
pISSN - 1751-8644
DOI - 10.1049/iet-cta.2014.0138
Subject(s) - control theory (sociology) , integral sliding mode , sliding mode control , overshoot (microwave communication) , settling time , multivariable calculus , transient response , transient (computer programming) , robust control , robustness (evolution) , computer science , control system , engineering , nonlinear system , step response , control engineering , physics , control (management) , electrical engineering , quantum mechanics , artificial intelligence , operating system , telecommunications , biochemistry , chemistry , gene
A coefficient ratio‐based sliding surface algorithm and an integral sliding mode control approach are proposed for multivariable dynamical systems. The sliding surface design problem is reduced to the specification of the desired time constant of closed‐loop systems. The proposed scheme is able to accomplish a non‐overshoot transient response and a short settling time for multivariable systems. The resulting sliding surfaces are robust and optimal in the existence of parameter perturbations. An integral sliding mode control approach is also developed for robust tracking by using the coefficient ratio‐based robust sliding surface designs. The developed methods are implemented on a flexible robotic manipulator and a strike aircraft system, and the numerical simulation results are provided in order to show the validity and feasibility of the methods.