液压混合动力公交车制动性能仿真与试验分析  

Brake Performance Simulation and Test Analysis of Hydraulic Hybrid Bus

作　　者：曲金玉[1] 李训明[1] 任传波[1] 韩尔樑 刘林 

机构地区：[1]山东理工大学 [2]潍柴动力股份有限公司

出　　处：《汽车技术》2014年第9期48-52,共5页Automobile Technology

基　　金：国家自然科学基金项目(51275280);项目名称:汽车车身时滞减振控制理论与试验研究;山东省科技发展计划项目(2011GGX10505);项目名称:智能变矩调速动力驱动系统及其在电动车中的应用

摘　　要：针对城市公交车运行特点和在城市运行工况下燃油经济性差的问题,提出一种新型液压混合动力系统,并建立制动回收过程动力学模型、能量再生过程动力学模型和柴油机液压起动模型等,对其制动性能进行仿真,最后进行了样机台架、实车道路试验。试验结果表明,该液压混合动力公交车可实现汽车制动能量回收等功能,在典型城市循环工况下制动能量回收率为69.7%,制动能量再生率为32.8%,液压起动发动机时间为1.7 s。In consideration of city buses operating characteristics and poor fuel economy in urban driving cycles, we present a novel hydraulic hybrid system, and build three models, i.e. brake energy recovery dynamic model, energy regeneration dynamic model and diesel hydraulic start model, and then make brake performance simulation. Finally we test performance of the system by bench and road test. The results show that the hydraulic hybrid bus is capable of braking energy recovery, braking energy recovery rate in typical urban driving cycle is up to 69.7 % and energy regeneration rate is 32.8 %, hydraulic engine start time is 1.7 second.

关 键 词：液压混合动力公交车 制动性能 仿真 试验 

分 类 号：U469.72[机械工程—车辆工程]