Abstract
In this article simulation studies have been carried out on the dynamic performance of a hydrostatic transmission (HST) system using two motor summation drive. In this respect a closed loop HST system that consists of a variable displacement swashplate controlled axial piston pump and bent axis piston motors is considered. Bondgraph simulation technique is used to model the hydrostatic drive system. In that model an on-off control strategy is implemented to switch over the mode of operation from single motor to twin motor or vice-versa considering pressure as a parameter. The system’s performance has been analysed with respect to typical load cycle of a machine where such drive is incorporated. The effects of variation of critical parameters of the system on the performance of the system are studied through simulation.
Published Version
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