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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Dynamic Analysis of Hydraulic–Mechanical System Using Proportional Valve
verfasst von : D. T. Luan, L. Q. Ngoc, P. H. Hoang
Erschienen in: Proceedings of the International Conference on Advances in Computational Mechanics 2017
Verlag: Springer Singapore
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Abstract
Power hydraulic systems are used very often in industry. Usually, the stroke of piston—a hydraulic actuator is controlled in on–off manner using traditional valves and start/stop switches on the moving way. Another characteristic of traditional hydraulic system is suitable with static load. For applying dynamic load, the behavior of system is not properly good. Nowadays, hydraulic systems with proportional valve are used commonly. Proportional valve allows controlling for a variable stroke of piston. It also allows the system work with variable load. This paper presents the dynamic analysis of a hydraulic–mechanical system using proportional directional valve. The system dynamics is evaluated when the load changes in linear manner. A mathematical model is established to serve for determining dynamic characteristics of the system. PID control is also used in the simulation to enhance the integrity of the system.