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|Title:||Simulation of hydraulic check valve for forestry equipment|
|Authors:||Nedić, Novak |
|Abstract:||Copyright © 2017 Inderscience Enterprises Ltd. Modelling and simulating complex systems, such as forestry equipment, are often the only way for their full analysis and design. This problem may lead to a stiff set of equations that are followed by numerical problems. In this paper two alternative approaches are investigated. The first one refers to the use of a variable step of integration by continuous models adjusted to the fastest processes. The second one refers to the approximation of fast transitions by ideal instantaneous mode-transitions and hybrid models. These two approaches are analysed in the framework of bond graph. The classical bond graph is adopted for description of the continuous models, and the switched bond graph is preferred for description of the hybrid models. The model of check valve is used as a working example for illustration of results. Matlab/Simulink tools are used for modelling and simulation.|
|Appears in Collections:||Faculty of Mechanical and Civil Engineering, Kraljevo|
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