In this paper, a new method is presented for model parameter identification of a large class of nonlinear dynamics systems that are not fully controlled. The method uses trajectory patterns with feed-forward controls to identify model parameters of the system. The developed method ensures full system stability, does not require close initial estimated values for the parameters to be identified, and provides a systematic method of emphasizing on the estimation of the parameters associated with lower order terms of the system dynamics model and gradually upgrading the accuracy with which the model parameters, particularly those associated with the higher order terms of the system dynamics, are estimated. The developed method is based on Trajectory Pattern Method (TPM). The mathematical proof of convergence of the developed method and results of its implementation on a typical system with highly non-linear dynamics are provided.
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ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 4–7, 2013
Portland, Oregon, USA
Conference Sponsors:
- Design Engineering Division
- Computers and Information in Engineering Division
ISBN:
978-0-7918-5594-2
PROCEEDINGS PAPER
Model Parameter Identification for Non-Fully Controlled Nonlinear Dynamics Systems Using Trajectory Pattern Method
Dake Feng,
Dake Feng
State University of New York at Stony Brook, Stony Brook, NY
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Jahangir Rastegar
Jahangir Rastegar
State University of New York at Stony Brook, Stony Brook, NY
Search for other works by this author on:
Dake Feng
State University of New York at Stony Brook, Stony Brook, NY
Jahangir Rastegar
State University of New York at Stony Brook, Stony Brook, NY
Paper No:
DETC2013-13605, V06BT07A069; 9 pages
Published Online:
February 12, 2014
Citation
Feng, D, & Rastegar, J. "Model Parameter Identification for Non-Fully Controlled Nonlinear Dynamics Systems Using Trajectory Pattern Method." Proceedings of the ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 6B: 37th Mechanisms and Robotics Conference. Portland, Oregon, USA. August 4–7, 2013. V06BT07A069. ASME. https://doi.org/10.1115/DETC2013-13605
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