电动汽车电-液并联ABS制动系统能量回收研究
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摘要
为了提高续驶里程,针对某款越野车改装的电动汽车制动系统,提出一种基于ABS的电-液并联制动系统。此系统采用固定比例的前后轴制动力分配方式,结合恒定充电电流与最大回馈功率复合的再生制动控制方式,以基于滑移率的PID控制ABS系统来调节电、液制动力比例,在确保制动安全可靠的同时实现制动能量回收。根据上述理论建立数学模型,并利用AMESim和Simulink进行联合仿真,在3种典型工况下分析制动性能和能量回收效率。结果表明:基于ABS的电-液并联制动系统综合制动性能良好,且3种工况下的一次制动最小能量回收效率分别达到28%、28%和11%。
In order to improve the driving mileage, an electric-hydraulic parallel brake system based on ABS is proposed for the electric vehicle braking system modified by a certain off-road vehicle. The system adopts a fixed proportion of front and rear axle braking force, combined with the regenerative braking control mode of constant charging current and maximum feedback power, and abjusts the proportion of motor regenerative braking force and hydraulic braking force by PID control ABS system based on slip rate, and realizes braking energy recovery while ensuring braking safety and reliability. The mathematical model was established based on the above theory, and the joint simulation of AMESim and Simulink was used to analyze braking performance and energy recovery efficiency under three typical working conditions. The results show that the comprehensive braking performance of the electro-hydraulic parallel braking system based on ABS is good, and the minimum energy recovery efficiency of once braking under three working conditions is 28%, 28% and 11%, respectively.
In order to improve the driving mileage, an electric-hydraulic parallel brake system based on ABS is proposed for the electric vehicle braking system modified by a certain off-road vehicle. The system adopts a fixed proportion of front and rear axle braking force, combined with the regenerative braking control mode of constant charging current and maximum feedback power, and abjusts the proportion of motor regenerative braking force and hydraulic braking force by PID control ABS system based on slip rate, and realizes braking energy recovery while ensuring braking safety and reliability. The mathematical model was established based on the above theory, and the joint simulation of AMESim and Simulink was used to analyze braking performance and energy recovery efficiency under three typical working conditions. The results show that the comprehensive braking performance of the electro-hydraulic parallel braking system based on ABS is good, and the minimum energy recovery efficiency of once braking under three working conditions is 28%, 28% and 11%, respectively.
引文
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[2] Nakamura E, Soga M,Sakci A,et al. Development of Electronically Controlled Brake System for Hybrid Vehicle[C]//SAE 2002 World Congress&Exhibition. 2002.
[3] Albrichsfeld C,Karner J. Brake System for Hybrid and Electric Vehicles[C]//SAE World Congress&Exihibition.2009.
[4]胡东海,何仁,俞剑波,等.基于电液复合制动系统的电动汽车再生制动控制策略研究[J].公路交通科技,2014,9(3):148-152.
[5]张露,王国业,张延立,等.电动汽车再生摩擦集成制动系统ABS控制性能研究[J].农业机械学报,2015,46(10):350-356.
[6]王猛,孙泽昌,卓桂荣,等.电动汽车制动能量回收系统研究[J].农业机械学报,2012,43(2):6-10.
[7]张京明,陈磊,张晋华,等.FSAE电动赛车再生制动系统开发[J].哈尔滨工业大学学报,2017,49(1):108-113.
[8]熊璐,钱超,余卓平.电动汽车复合制动系统研究现状综述[J].汽车技术,2015(1):1-8.
[9]叶敏.电动汽车能量回收及其非线性鲁棒控制研究[D].西安:西安交通大学,2008.
[10]方泳龙.汽车制动理论与设计[M].长沙:国防工业出版社,2005.
[11]余志生.汽车理论[M].5版.北京:机械工业出版社,2009.
[12]王鹏宇.混合动力轿车再生制动系统研究[D].长春:吉林大学,2008.
[13]季迎旭,杜海江,孙航.蓄电池SOC估算方法综述[J].电测与仪表,2014,51(4):18-22.
[14]窦建明,秦娟娟,牛玉艳,等.电动汽车电一液并联制动系统制动性能仿真研究[J].现代制造技术与装备,2017(9):61-62.