Title: Research on New System of Boom Potential Energy Recovery in Hybrid Hydraulic Excavators
Abstract: At the current,the potential energy of working device has not been achieved for recovery effectively in hybrid hydraulic excavator,a new system of boom potential energy recovery which contains and hydraulic motor was designed.A mini-excavator of Sunward was analyzed in this system,and its hydraulic system simulation model was established in AMEsim simulation environment.A type of motor speed constant control strategy based on the classic PID control was applied.The Adams and AMEsim co-simulation was used to calculate the variable load owing to the boom falling down.Finally,the efficiency of the whole system's potential energy recovery was obtained.Theoretical analysis and simulation results show that,the new system can effectively recover the potential energy,and has the characteristics of good dynamic response and higher efficiency of the motor regeneration,which improves the efficiency of the whole system's potential energy recovery.
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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