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机构地区:[1]北京信息科技大学机电工程学院,北京100192 [2]安徽水利水电职业技术学院机电工程系,安徽合肥231603
出 处:《机床与液压》2016年第2期72-75,共4页Machine Tool & Hydraulics
基 金:国家自然科学基金资助项目(51275053)
摘 要:目前国内液压节能汽车试验平台结构复杂,管路繁多,液压泵/马达、飞轮等的动态参数不确定,无法满足多种工况下的实验配合问题。新型车辆制动能量回收模拟系统,使用电液比例控制系统代替传统的液压泵/马达,可实现能量回收过程多种复杂工况的动态模拟。设计车辆制动能量回收模拟系统,运用MATLAB/Simulink软件,建立了车辆制动能量回收模拟系统的仿真模型,通过仿真得到了该模拟系统在充、放液过程中的动态特性,并设计了试验台架,为后续车辆制动能量回收系统的实验研究提供了平台。At present, domestic hydraulic energy?saving automobile test platform structure is complex, the pipe is various, and the hydraulic pump/motor, flywheel and other dynamic parameters are uncertainty, so it can not meet the experiments with a variety of conditions. In the new type of vehicle braking energy recovery simulation system, the electro?hydraulic proportional control system was used to replace the traditional hydraulic pump/motor. It could realize dynamic simulations of a variety of complex working conditions in energy recovery process. The system of vehicle braking energy recovery was designed, and the simulation model of this system was es?tablished by using MATLAB/Simulink software. The dynamic characteristics of the simulation system during charging and discharging hydraulic fluid were figured out, and the test bench was designed initially. It provides platform for subsequent experimental verification of vehicle braking energy recovery simulation system.
关 键 词:液压节能 制动能量回收系统 电液比例控制阀 动态特性
分 类 号:TH137[机械工程—机械制造及自动化] U463.5[机械工程—车辆工程]
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