Method to increase the accuracy of the mathematical model used to hydraulically actuated mechanical systems

Abstract

In order to achieve mathematical models describing hydraulically driven mechanical systems are taken into account both consumer behavior and  characteristics of power sources and hydraulic circuits. The variable resistance of hydraulic circuits is very difficult to describe in mathematical terms. On the one hand intervenes the complexity of geometry of hydraulic devices and on the other hand some parts change their geometry over time. This paper presents a method for evaluating the hydraulic resistance as time-varying functions, starting from the geometry changes in fluid bodies.