液电串联驱动挖掘机回转系统能耗特性研究OA北大核心CSTPCD
Energy Consumption Characteristics of Hydraulic-electro Series Drive Excavator Rotary System
针对液电混驱回转装置制动能量高效回收与利用问题,提出基于电机转速控制模式与转矩控制模式的控制方式.首先,对液电混驱回转系统进行理论与原理分析;之后,在AMESim中对该系统进行了仿真分析,并为后续实验提供参考;最后,通过实验对比分析了转矩模式与转速模式差别.结果表明:转矩模式相对于转速模式运行过程更平稳,功率无波动;转速模式更有效利用蓄能器能量,相对于传统挖掘机节省48.4％,比转矩模式节省42％;转矩模式超调量比转速模式大8％,整体上转速模式优于转矩模式.
A control method based on motor speed control mode and torque control mode is proposed to address the issue of efficient recovery and utilization of braking energy in the hydraulic electric hybrid drive rotary device.Firstly,conduct theoretical and theoretical analysis on the hydraulic electric hybrid drive rotary system.Afterwards,the system was simulated and analyzed in AMESim,providing reference for subsequent experiments.Finally,the differences between torque mode and speed mode were compared and analyzed through experiments.The experimental results show that the torque mode operates more smoothly compared to the speed mode,with no power fluctuations.The speed mode is more effective in utilizing the energy of the accumulator,saving 48.4％compared to traditional excavators and 42％more than the torque mode.The overshoot of torque mode is 8％greater than that of speed mode.Overall,the speed mode is superior to the torque mode.
王慧杰;成杰;夏连鹏;黄伟男;权龙;黄家海
太原理工大学机械与运载工程学院,山西太原 030024太原理工大学机械与运载工程学院,山西太原 030024||安徽理工大学机械工程学院,安徽淮南 232001
机械工程
液电混驱回转系统转矩控制转速控制节能
hydraulic electric hybrid driverotary systemtorque controlspeed controlenergy saving
《液压与气动》 2024 (006)
1-6 / 6
国家重点研发计划(2021YFB2011903);国家自然科学基金(52105066,52105067)
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