摘要
分析了低速作业工况下轮式装载机的能耗损失和混合动力装载机节能潜力。根据液压储能的特点,设计了液压混合动力并联式节能方案,通过计算和仿真,研究影响节能效果的主要因素,并对其进行优化。结果表明:优化液压混合动力系统的匹配关系,合理选择控制策略参数,充分回收制动动能和整机下长坡的重物势能,有利于提高装载机的节能指标。
According to the operating characteristics of wheel loaders,the energy distribution and saving potential of loader were researched through calculation and simulation.Combing the characteristics of hydraulic hybrid system,the parallel configuration of hydraulic hybrid wheel loader was presented,and the influencing factors for hydraulic hybrid wheel loader energy-saving potential were analyzed.Finally,the key parameters were optimized.The results show that optimization of hydraulic hybrid power system,selection of the appropriate parameters in control strategy,recovering the braking energy and long slope potential energy of loaders are helpful to improve the energy saving effect of hydraulic hybrid loader.
出处
《农业机械学报》
EI
CAS
CSCD
北大核心
2011年第3期31-35,共5页
Transactions of the Chinese Society for Agricultural Machinery
基金
国家自然科学基金资助项目(50875054)
关键词
装载机
液压混合动力
节能
Loader
Hydraulic hybrid
Energy saving
