NDLI: Identification and control for Hammerstein systems with hysteresis non-linearity

Content Provider	IET Digital Library
Author	Gao, Xuehui Ren, Xuemei Zhu, Changsheng Zhang, Chengyuan
Abstract	Identification and composite control of Hammerstein system with unknown order linear dynamics and a static hysteresis non-linearity modelled by Preisach operator is investigated. The order of linear dynamics is firstly determined by Hankel matrix approach and then a blind identification is implemented to identify the linear dynamics based on the over-sampling output measurements only. Then a novel deterministic approach is proposed to identify the Preisach model for hysteresis non-linearity, which is devoted to identify a triangle matrix. This novel approach needs less dimensions to obtain Preisach density function than other existing methods. Finally, a composite control consisting of discrete inverse model-based controller (DIMBC) and discrete adaptive sliding mode controller (DASMC) is developed to achieve tracking control. The composite control can reduce the reaching time of DASMC and improve the robustness of DIMBC. Experiments based on a turntable servo system demonstrate the effectiveness of the proposed identification and control methods.
Starting Page	1935
Ending Page	1947
Page Count	13
ISSN	17518644
Volume Number	9
e-ISSN	17518652
Issue Number	Issue 13, Aug (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/9/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2015.0116
Journal	IET Control Theory & Applications
Publisher Date	2015-06-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Algebra Blind Identification Composite Control Control Nonlinearities DASMC Deterministic Approach DIMBC Robustness Improvement Discrete Adaptive Sliding Mode Controller Discrete Control System Discrete Inverse Model-based Controller Discrete Time System Hammerstein System Composite Control Hammerstein System Identification Hankel Matrix Hankel Matrix Approach Hysteresis Hysteresis Nonlinearity Identification Linear Dynamics Identification Linear Dynamics Order Linear System Modelling And Identification Multivariable Control System Nonlinear Control System Over-sampling Output Measurement Preisach Density Function Preisach Operator Reaching Time Reduction Sampling Method Self Adjusting Control System Simulation Static Hysteresis Nonlinearity Statistics Tracking Control Triangle Matrix Identification Turntable Servo System Unknown Order Linear Dynamics Variable Structure System
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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