Modelling and identification of nonlinear cascade systems with backlash input and static output nonlinearities. Issue 6 (2nd November 2018)

• Record Type: Journal Article
• Authors: Vörös, Jozef
• Is Part Of: Mathematical and computer modelling of dynamical systems. Volume 24:Issue 6(2018)
• Page Start: 593
• Page End: 609
• Publication Date: 2018-11-02
• Subjects: Nonlinear system -- system modelling -- parameter estimation -- computer simulation -- cascade models -- backlash; Engineering -- Mathematical models -- Periodicals; Computer simulation -- Periodicals; 515.39
• DOI: 10.1080/13873954.2018.1521840
• Languages: English
• ISSNs: 1387-3954

Abstract

ABSTRACT: A new approach to the parameter identification of nonlinear dynamic systems using cascade models with nonlinear dynamic, linear dynamic and nonlinear static blocks is presented. Application of the key-term separation principle provides special expressions for the corresponding nonlinear model description that are linear in parameters. A least-squares-based iterative technique is proposed allowing estimation of all the model parameters based on measured input/output data. Illustrative examples of nonlinear cascade systems identification with input backlash and nonlinear static output characteristics are included.