Valve-free operation of the lift cylinder in mobile machines with an electrohydraulic actuation system | IEEE Conference Publication | IEEE Xplore

Valve-free operation of the lift cylinder in mobile machines with an electrohydraulic actuation system


Abstract:

Electrification as part of the trend towards energy efficiency, is going on also in mobile machines. An essential part of their operation is to perform various tasks with...Show More

Abstract:

Electrification as part of the trend towards energy efficiency, is going on also in mobile machines. An essential part of their operation is to perform various tasks with booms. This study presents and discusses a new log crane actuation system architecture. The solution includes one electrohydraulic unit that supplies all actuators. Distinctive aspect of the system is a direct control of the movement of the lift cylinder via a central supply line, while other system actuators are controlled by pressure-compensated directional control valves. The solution is characterized by compactness and simplicity, and mathematical model simulation showed its high energy efficiency. However, the implementation of the system sets some limitations on cylinder parameters.
Date of Conference: 28 August 2024 - 01 September 2024
Date Added to IEEE Xplore: 23 October 2024
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Conference Location: Bari, Italy

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