机械与电子
機械與電子
궤계여전자
MACHINERY & ELECTRONICS
2014年
4期
35-38,39
,共5页
纯电动公交客车%主减速比%优化设计%遗传算法
純電動公交客車%主減速比%優化設計%遺傳算法
순전동공교객차%주감속비%우화설계%유전산법
pure electric transit bus%final rati-o%optimization design%genetic algorithm
针对常用的电动汽车主减速比设计方法没有考虑电动机效率特性，导致电动汽车能耗难以下降的问题，在分析了主减速比与电动汽车电机能耗关系的基础上，以纯电动公交客车（PETB）为研究对象，提出基于电机能耗的PETB主减速比优化方法，通过遗传算法对主减速比进行优化求解，得到使电机能耗最低的最优主减速比。为了验证优化结果，在AVL cruise中建立整车仿真模型，进行能耗经济性仿真。
針對常用的電動汽車主減速比設計方法沒有攷慮電動機效率特性，導緻電動汽車能耗難以下降的問題，在分析瞭主減速比與電動汽車電機能耗關繫的基礎上，以純電動公交客車（PETB）為研究對象，提齣基于電機能耗的PETB主減速比優化方法，通過遺傳算法對主減速比進行優化求解，得到使電機能耗最低的最優主減速比。為瞭驗證優化結果，在AVL cruise中建立整車倣真模型，進行能耗經濟性倣真。
침대상용적전동기차주감속비설계방법몰유고필전동궤효솔특성，도치전동기차능모난이하강적문제，재분석료주감속비여전동기차전궤능모관계적기출상，이순전동공교객차（PETB）위연구대상，제출기우전궤능모적PETB주감속비우화방법，통과유전산법대주감속비진행우화구해，득도사전궤능모최저적최우주감속비。위료험증우화결과，재AVL cruise중건립정차방진모형，진행능모경제성방진。
Aiming at the problem of difficult to reduce the energy consumption of electric vehicle w hich caused by the regardless of motor efficiency characteristic in common electric vehicle final drive ratio design method ,the relationship between final drive ratio and motor energy consumption has been analyzed .Using Pure Electric Transit Bus (PETB) as study object ,an optimization method of PETB final ratio based on motor energy consumption is proposed .Through genetic algorithms to solve the optimization problem ,obtain the optimal final drive ratio to minimize the motor energy consumption .In order to verify the optimization result ,a simulation model of PETB has been built in AVL cruise for the simulation of energy economy .
