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Analysis of Steady State Performance of an Open Loop Drive of a Hydraulic Motor used in Hydrostatic Transmission System

Author : Ajit Kumar, N. Kumar, K. Dasgupta, J. Das and Raj Kumar

Pages : 407-412, DOI:http://Dx.Doi.Org/10.14741/Ijcet/Spl.2.2014.75
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The speed and torque of the hydraulic motor is controlled by controlling the hydraulic valve pump connected to the hydraulic motor. An electro hydraulic valve coupled to a hydraulic motor is a common method of motor speed control in practice where both load pressure and speed change during operation. In this paper, system equations that include, flow and toque loss term has been established by determining the bent axis motor losses characteristics experimentally. Various experiments have been conducted extensively in the analysis of open loop steady state performance of the hydraulic motor drive system, to determine optimum performance of the system. In investigating the performance open loop drive of the motor, non- dimensional approach is being used to characterize the steady-state performance of the system. This paper denouements the investigation of speed characteristics, efficiency and power transfer of the motor using the non- dimensional analytical approach with respect to the pressure differential across the motor. The characteristics are also validated experimentally.

Keywords: hydraulic motor, hydrostatic transmission, steady state performance, non- dimensional approach, speed

Article published in International Conference on Advances in Mechanical Sciences 2014, Special Issue-2 (Feb 2014)






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