摘要
针对基于蓄能器-液压变压器-液压缸结构的节能型液压系统,提出了对应的蓄能器压力-负载转矩反馈的控制策略,提高了能量在回收阶段的回收量和能量再利用的效率。对系统节能控制原理进行理论分析,建立AMESim模型,仿真分析了节能型液压系统的运动情况,验证蓄能器压力-负载转矩反馈控制策略的有效性。研究结果表明:提出的控制策略可以有效地提高节能型液压系统的节能效率,理想条件下能量的再利用率达到94%。
For an energy-saving hydraulic system based on an accumulator-hydraulic transformer-hydraulic cylinder structure,a corresponding accumulator pressure-load torque feedback control strategy is proposed to improve the amount of energy recovered in the recovery phase and the efficiency of energy reuse.Theoretical analysis of the energy-saving control principle of the system,the establishment of an AMESim model to simulate and analyze the movement of the energy-saving hydraulic system,and verify the effectiveness of the accumulator pressure-load torque feedback control strategy.The research results show that the proposed control strategy can effectively improve the energy-saving efficiency of the energy-saving hydraulic system,and the energy reuse rate can reach 94%under ideal conditions.
作者
毛昊桢
胡军科
纪文彬
MAO Hao-zhen;HU Jun-ke;JI Wen-bin(College of Mechanical and Electrical Engineering,Central South University,Changsha 410083,China)
出处
《机械工程与自动化》
2020年第5期66-68,共3页
Mechanical Engineering & Automation
基金
中国铁路总公司重大研究课题(N2018G039)。
