TY - GEN
T1 - Nonlinear ODE parameter identification of electro-hydraulic servo system based on trust-region optimization algorithm
AU - Zhang, Yixin
AU - Wang, Shaoping
AU - Wang, Xingjian
AU - Wang, Jun
AU - Tomovic, Mileta
N1 - Publisher Copyright:
© 2016 IEEE.
PY - 2016/10/19
Y1 - 2016/10/19
N2 - In view of the strongly nonlinear characteristic of electro-hydraulic servo system (EHSS), this paper aims to conduct nonlinear ordinary differential equation (ODE) parameter identification of white-box model based on the knowledge of part of the system information so as to get the accurate nonlinear model that can meet the actual needs. By establishing the state space model of the hydraulic system in theory and determining the parameters to be identified, the issue of parameter identification of the system is converted into that of parameter optimization based on output error, and based on trust-region optimization algorithm, the accurate state space model of the system both in no-load and load cases is created; the final test verifies that the nonlinear modeling based on ODE parameter identification is more accurate and effective.
AB - In view of the strongly nonlinear characteristic of electro-hydraulic servo system (EHSS), this paper aims to conduct nonlinear ordinary differential equation (ODE) parameter identification of white-box model based on the knowledge of part of the system information so as to get the accurate nonlinear model that can meet the actual needs. By establishing the state space model of the hydraulic system in theory and determining the parameters to be identified, the issue of parameter identification of the system is converted into that of parameter optimization based on output error, and based on trust-region optimization algorithm, the accurate state space model of the system both in no-load and load cases is created; the final test verifies that the nonlinear modeling based on ODE parameter identification is more accurate and effective.
KW - ODE
KW - Trust-Region optimization algorithm
KW - electro-hydraulic servo system
KW - parameter identification
UR - https://www.scopus.com/pages/publications/84997531308
U2 - 10.1109/ICIEA.2016.7603898
DO - 10.1109/ICIEA.2016.7603898
M3 - 会议稿件
AN - SCOPUS:84997531308
T3 - Proceedings of the 2016 IEEE 11th Conference on Industrial Electronics and Applications, ICIEA 2016
SP - 1904
EP - 1909
BT - Proceedings of the 2016 IEEE 11th Conference on Industrial Electronics and Applications, ICIEA 2016
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 11th IEEE Conference on Industrial Electronics and Applications, ICIEA 2016
Y2 - 5 June 2016 through 7 June 2016
ER -