Research on boom energy recovery system with closed circuit in Hydraulic Excavators
Proceedings 2011 International Conference on Transportation, Mechanical, and Electrical Engineering, TMEE 2011（2011）
摘要
A closed circuit boom energy recovery system was proposed to decrease the installed power and energy consumption in Hydraulic Excavators. The energy saving principle was discussed using the accumulator for hydraulic counterweight, the mathematical models of hydraulic system were established based on its working principal, and the working status of the main power elements including the boom cylinder velocity, the accumulator, and load in the energy recovery system were simulated under typical working cycle present, Theory analysis and simulation results showed boom energy-saving system with closed circuit runs steadily, it has important significance for installed power reduction of Hydraulic Excavators.
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关键词
excavators,hydraulic systems,mathematical analysis,power consumption,shapes (structures),accumulator,boom cylinder velocity,boom energy-saving system,closed circuit boom energy recovery system,energy consumption,energy saving principle,hydraulic counterweight,hydraulic excavators,hydraulic system,installed power consumption,mathematical models,power elements,theory analysis,working principal,working status,Hybrid power,Hydraulic Excavators,boom potential energy,closed circuit,
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