Abstract
Nowadays, making of self-propelled machines with improved mobility is the urgent task. The main factor which determines the machine’s mobility indicators is the improvement of functional characteristics for mechatronic systems with a hydraulic drive used on undercarriages. The current research was devoted to the study of functional characteristics of a mechatronic system with a hydraulic drive on the undercarriage. The system included an axial piston adjustable pump and two mechatronic modules (wheel hubs) with orbital hydraulic motors. That layout made it possible to provide the speed of a self-propelled machine in the required range. The mechatronic system was equipped with a regulator which provided an operation of the engine of the self-propelled machine in the mode of sustained power. The pump’s power was maintained constant by changing the pump control parameter with a corresponding differential pressure of the working fluid in the mechatronic system. The experimental studies have established that the most reasonable operating modes of the pump were changes in the pump control parameters in the range of e1 = 0.5–1.0, and the pressure drop of the working fluid was Δp = 7–21 MPa. The condition for high efficiency of orbital hydraulic motors was their operation in the range of relative rotation frequencies of n = 0.25–1.0 with a change in the pressure drop of the working fluid in the range of Δp = 7–21 MPa.
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Panchenko, A., Voloshina, A., Milaeva, I., Luzan, P. (2019). Operating Conditions’ Influence on the Change of Functional Characteristics for Mechatronic Systems with Orbital Hydraulic Motors. In: Nadykto, V. (eds) Modern Development Paths of Agricultural Production. Springer, Cham. https://doi.org/10.1007/978-3-030-14918-5_18
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DOI: https://doi.org/10.1007/978-3-030-14918-5_18
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