<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The paper deals with modeling and identification of nonlinear cascade and sandwich systems including general backlash, where instead of the straight lines determining the upward and downward parts of backlash characteristic, general curves are considered. This enables more precise modeling of mechanical parts and improves the performance of control systems. The analytical description of the general backlash leads to mathematical models of the cascade system with output general backlash and the sandwich system with internal general backlash, where all the model parameters are separated. Hence, the identification is solved as a quasi-linear problem. Iterative algorithms with internal variables estimation are proposed and illustrative examples are included.</p></abstract>

The paper deals with modeling and identification of nonlinear cascade and sandwich systems including general backlash, where instead of the straight lines determining the upward and downward parts of backlash characteristic, general curves are considered. This enables more precise modeling of mechanical parts and improves the performance of control systems. The analytical description of the general backlash leads to mathematical models of the cascade system with output general backlash and the sandwich system with internal general backlash, where all the model parameters are separated. Hence, the identification is solved as a quasi-linear problem. Iterative algorithms with internal variables estimation are proposed and illustrative examples are included.

Modeling and Identification of Nonlinear Cascade and Sandwich Systems with General Backlash

Slovak Technical University, Faculty of Electrical Engineering and Information Technology, Institute of Robotics and Cybernetics Ilkovičova 3, 812 19 Bratislava, Slovakia

Journal of Electrical Engineering

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

The paper deals with modeling and identification of nonlinear cascade and sandwich systems including general backlash, where instead of the straight lines...

Modeling and Identification of Nonlinear Cascade and Sandwich Systems with General Backlash

Published Online: Apr 23, 2014

Page range: 104 - 110

DOI: https://doi.org/10.2478/jee-2014-0015

Keywords
nonlinear systems, general backlash, modeling, identification, cascade systems

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Modeling and Identification of Nonlinear Cascade and Sandwich Systems with General Backlash

Published Online: Apr 23, 2014

Page range: 104 - 110

DOI: https://doi.org/10.2478/jee-2014-0015

Keywordsnonlinear systems, general backlash, modeling, identification, cascade systems

© Faculty of Electrical Engineering and Information Technology, Slovak University of Technology

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords
nonlinear systems, general backlash, modeling, identification, cascade systems