Abstract
The electrohydraulic servo system (EHSS) has been widely utilized in industry and national defense. However, it is a complex dynamics system composed of many parts. The anomalies are easy to happen in operation, such as nonlinear vibration, noise, impact and so on. These anomalies significantly influence the stability of EHSS. Hence, in order to reveal the incentives, a nonlinear dynamic model was established. Then, the bifurcation characteristics and typical nonlinear dynamics behaviors implied within system were revealed. Moreover, the dynamic signals were measured from an experimental system and deeply analyzed by the effective methods of nonlinear dynamics. Results indicate that the variation of excitation force, spring force nonlinear term and damping can result in complicated nonlinear dynamic behaviors. The measured vibration signals of EHSS possess chaotic characteristic. Therefore, EHSS is a nonlinear dynamic system. This research provides a potent base for the study on nonlinear dynamics behavior of EHSS and makes the comprehensive analysis on nonlinear dynamics characteristics of EHSS become closer to reality.
Similar content being viewed by others
References
Korotkevich, S.V., Solovei, N.F., Kravchenko, V.V., et al.: Analysis of antiscoring properties of hydraulic oils. J. Frict. Wear 33(2), 146–152 (2012)
Bi, Y.H., Luo, R.Y., Li, J.S., et al.: The effects of the hydraulic oil on mechanical and tribological properties of C/C composites. Mater. Sci. Eng. 483–484, 274–276 (2008)
Ghadimi, M., Kaliji, H.D., Barari, A.: Analytical solutions to nonlinear mechanical oscillation problems. J. Vibroeng. 13(2), 133–143 (2011)
Dasgupta, K., Murrenhoff, H.: Modelling and dynamics of a servo-valve controlled hydraulic motor by bondgraph. Mech. Mach. Theory 46(7), 1016–1035 (2011)
Lan, Z.K., Su, J., Xu, G., et al.: Study on dynamical simulation of railway vehicle bogie parameters test-bench electro-hydraulic servo system. Phys. Proc. 33, 1663–1669 (2012)
Niksefat, N., Sepehri, N.: Design and experimental evaluation of a robust force controller for an electro-hydraulic actuator via quantitative feedback theory. Control Eng. Pract. 8(12), 1335–1345 (2000)
Mazenc, F., Richard, E.: Stabilization of hydraulic systems using a passivity property. Syst. Control Lett. 44(2), 111–117 (2001)
Ayalew, B., Kulakowski, B.T.: Modeling supply and return line dynamics for an electro-hydraulic actuation system. ISA Trans. 44(3), 329–343 (2005)
Alleyne, A., Liu, R.: A simplified approach to force control for electro-hydraulic systems. Control Eng. Pract. 8(12), 1347–1356 (2000)
Seo, J., Venugopal, R., Kenné, J.P.: Feedback linearization based control of a rotational hydraulic drive. Control Eng. Pract. 15(12), 1495–1507 (2007)
Milić, V., Šitum, Ž., Essert, M.: Robust H\(\infty \) position control synthesis of an electro-hydraulic servo system. ISA Trans. 49(4), 535–542 (2010)
Tang, R., Zhang, Q.: Dynamic sliding mode control scheme for electro-hydraulic position servo system. Proc. Eng. 24, 28–32 (2011)
Ho, J.H., Nguyen, V.D., Woo, K.C.: Nonlinear dynamics of a new electro-vibro-impact system. Nonlinear Dyn. 63(1–2), 35–49 (2011)
Chen, C.T.: Hybrid approach for dynamic model identification of an electro-hydraulic parallel platform. Nonlinear Dyn. 67(1), 695–711 (2012)
Zhu, Y., Jiang, W.L., Wang, M., et al.: Creeping mechanism and suppression methods of hydraulic cylinder under nonlinear time-varying force. Trans. Chin. Soc. Agric. Mach. 45(3), 305–313 (2014)
Wang, L.H., Wu, B., Du, R.S., et al.: Nonlinear dynamic characteristics of moving hydraulic cylinder. Chin. J. Mech. Eng. 43(12), 12–19 (2007)
Armstrong-Hélouvry, B., Dupont, P., De Wit, C.C.: A survey of models, analysis tools and compensation methods for the control of machines with friction. Automatica 30(7), 1083–1138 (1994)
Zhu, Y., Jiang, W.L., Liu, S.Y., et al.: Incentives of nonlinear dynamics behaviors in electro-hydraulic servo system. ICIC Express Lett. 9(1), 231–236 (2015)
Wang, L.H., Wu, B., Du, R.S., et al.: Chaotic characteristics analysis on dynamic properties of NC table. China Mech. Eng. 20(14), 1656–1659 (2009)
Gao, H.D., Zhang, Y.D.: Nonlinear behavior analysis of geared rotor bearing system featuring confluence transmission. Nonlinear Dyn. 76(4), 2025–2039 (2014)
Acknowledgments
This work is supported by National Natural Science Foundation of China (Grant No. 51475405), National Key Basic Research Program (973 Program) of China (Grant No. 2014CB046405) and Natural Science Foundation of Hebei Province, China (Grant Nos. E2013203161, E2013203114). The support is gratefully acknowledged. The authors would also like to thank the reviewers for their valuable suggestions and comments.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Zhu, Y., Jiang, WL., Kong, XD. et al. Study on nonlinear dynamics characteristics of electrohydraulic servo system. Nonlinear Dyn 80, 723–737 (2015). https://doi.org/10.1007/s11071-015-1901-z
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s11071-015-1901-z