A Study in Vibration of a Large-Scale Hydraulic Cylinder Actuator via Numerical Simulation
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Abstract
This paper presents a study in vibration field of a large-scale hydraulic cylinder actuator via numerical simulation. A model of hydrostatic hoisting machine which is built with dynamical parameters is executed for implementation and performance evaluation. The research has applied theories of vibration and fluid mechanics in calculation, analysis and modeling. Compressibility and viscous characteristics of hydraulic oil which have impacts on system dynamics are considered. Therefore, the mathematical model of this system is equivalent to a set of mass-spring-damper in investigation. The research results deduce a practically technical prediction in design and development of hydraulic systems using large-scale cylinders.
Keywords
Large-scale hydraulic cylinder, Hydraulic actuator, Vibration, Numerical simulation
Article Details
References
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[2] Riccardo Bianchi, Guido F Ritelli, Andrea Vacca, Payload oscillation reduction in load-handling machines: A frequency-based approach, Journal of Systems and Control Engineering. (2017) 1–14.
[3] Hao Feng, Qungui Du, Yuxian Huang, Yongbin Chi, Modelling Study on Stiffness Characteristics of Hydraulic Cylinder under Multi-Factors, Journal of Mechanical Engineering. 63 (2017)7-8, 447-456.
[4] Gabriela Koreisova, Identification of viscous damping coefficient of hydraulic motors, Scientific Papers of the University of Pardubice .(2006) 61-70.
[5] A.A. Shabana, Theory of Vibration: An Introduction, Second Edition, Springer-Verlag New York, Inc (1996).
[6] Lương Ngọc Lợi, Cơ học thủy khí ứng dụng, NXB Bách Khoa (2009).