汽车工程
汽車工程
기차공정
AUTOMOTIVE ENGINEERING
2015年
3期
313-320
,共8页
电动汽车%再生制动%混合系统理论%控制策略
電動汽車%再生製動%混閤繫統理論%控製策略
전동기차%재생제동%혼합계통이론%공제책략
electric vehicle%regenerative braking%hybrid system theory%control strategy
以电动汽车串联式再生制动系统为研究对象,通过对制动能量和制动法规的分析,从理论上确定了电液复合再生制动的安全运行范围,并综合考虑电机再生制动和电池充电功率,建立了再生制动优化问题的数学模型。基于混合系统理论,利用混合自动机模型,直观描述了再生制动系统,提出了电机再生制动力和前后轮液压制动力协调控制的再生制动控制策略,并对控制模型进行了仿真分析。结果表明,该再生制动控制策略在制动过程中增加了电机再生制动的比例,从而提高了汽车制动能量的回收率。
以電動汽車串聯式再生製動繫統為研究對象,通過對製動能量和製動法規的分析,從理論上確定瞭電液複閤再生製動的安全運行範圍,併綜閤攷慮電機再生製動和電池充電功率,建立瞭再生製動優化問題的數學模型。基于混閤繫統理論,利用混閤自動機模型,直觀描述瞭再生製動繫統,提齣瞭電機再生製動力和前後輪液壓製動力協調控製的再生製動控製策略,併對控製模型進行瞭倣真分析。結果錶明,該再生製動控製策略在製動過程中增加瞭電機再生製動的比例,從而提高瞭汽車製動能量的迴收率。
이전동기차천련식재생제동계통위연구대상,통과대제동능량화제동법규적분석,종이론상학정료전액복합재생제동적안전운행범위,병종합고필전궤재생제동화전지충전공솔,건립료재생제동우화문제적수학모형。기우혼합계통이론,이용혼합자동궤모형,직관묘술료재생제동계통,제출료전궤재생제동력화전후륜액압제동력협조공제적재생제동공제책략,병대공제모형진행료방진분석。결과표명,해재생제동공제책략재제동과정중증가료전궤재생제동적비례,종이제고료기차제동능량적회수솔。
With series regenerative braking system of electric vehicle as the object of study, by the analyses on braking energy and braking regulations, the safe operation range of electro-hydraulic hybrid regenerative braking is theoretically determined, and with concurrent consideration of motor regenerative braking and battery charging power, a mathematical model for the optimization of regenerative braking is established. Based on the theory of hy-brid system and the model for hybrid automata, the regenerative braking system is visually described and a regenera-tive braking control strategy is proposed with coordinated control between motor regenerative braking force and the hydraulic braking forces on front and rear wheels, and a simulation is conducted on control model. The results indi-cate that the regenerative braking control strategy proposed increases the proportion of motor regenerative braking and thus enhance the recovery rate of vehicle braking energy in braking process.