SIMPLIFIED MODEL OF PRESSURE REGULATED, VARIABLE DISPLACEMENT PUMPS FOR THE SIZING OF COMPLEX HYDRAULIC SYSTEMS

摘要

In this communication, a simplified object-oriented model of pressure regulated, variable displacement pumps is proposed in order to be inserted in the components library for the sizing of complex hydraulic systems. The model is derived from the pump supplier data in order to reproduce both static and dynamic hydraulic characteristics and the pressure ripple at the pump outlet orifice. Analytical considerations are performed to easily identify the model parameters from the experimental data. The simulated response is finally compared to the experimental one in order to prove the effectiveness of the proposed model.