ct2發(fā)動(dòng)機(jī)排放控制技術(shù)emission and control technology alternative fuel2017apac iee

1、中國(guó)工況典型城市輕型車(chē)行駛特征研究Research on Light duty Driving Features ofTypical Cities人：Speaker：WANG YANG中國(guó)汽車(chē)技術(shù)研究中心（）China Automotive Technology & Research Center（Tianjin）中國(guó)工況研究目標(biāo)PROJECT TARGETS2015年，工信部四部委共同委托中國(guó)汽車(chē)技術(shù)研究中心開(kāi)展為年的“中國(guó)工況”研究和開(kāi)發(fā)，50余家高校、研究機(jī)構(gòu)、企業(yè)的千余名技術(shù)參與。China Automotive Testing cycle (CATC) program was

2、 issued by the MIIT of China and China Automobile Technology & Research Center has been leading the 3-yrs program with hundreds of researchers from 50+Univ./Ins./OEM.1. 開(kāi)發(fā)能耗/排放檢測(cè)工況Development of driving cycle for the consumption/emission standardØ開(kāi)發(fā)以及典型區(qū)域的輕型、重型汽車(chē)工況National/regional CLTC (li

3、ght-duty) and CHTC (heavy-duty), including the new energy types.2. 修訂基于新工況的汽車(chē)能耗/排放測(cè)試標(biāo)準(zhǔn) Revise of the FC/emission standards based on the new CATC (Draft)ØØ測(cè)試規(guī)程研究與評(píng)價(jià) Research and evaluation of the test procedure制修訂測(cè)試程序文本 Write and revise the draft中國(guó)工況整體概況DATA COLLECTION OVERVIEW1、項(xiàng)目分三期先后在41個(gè)

4、城市組建車(chē)隊(duì)，與50余家企業(yè)、研究機(jī)構(gòu)和高校簽署了合作協(xié)議，參與項(xiàng)目的科研達(dá)到了1000。The project established fleets of vehicle in 41 cities of China. Over 50 enterprises,research institutes and universities with over 1000 people have taken part in this project.2、截至9月初，個(gè)不同車(chē)型。車(chē)輛規(guī)模達(dá)5700余輛，已經(jīng)實(shí)現(xiàn)了一年的數(shù)據(jù)穩(wěn)定，涵蓋約400Up to Sep., the scale of data coll

5、ection vehicles has been to 4600 of about 400 differenttypes，which has been maintain for one year.3、截至9月初，里程共3400萬(wàn)公里，每天約10萬(wàn)公里，輕型車(chē)約2100萬(wàn)公里，重型車(chē)約1300萬(wàn)公里，新能源車(chē)400萬(wàn)公里。Up to Sep., theage of vehicles has been to 34 million kilometers, in which light-dutyvehicles accounts for 21 million kilometers and heavy-

6、duty ones 13 million kilometers.覆蓋城市覆蓋車(chē)輛總里程數(shù)據(jù)容量參與參與機(jī)構(gòu)41個(gè)5700輛3400萬(wàn)公里6T1000人50家北京市采集數(shù)據(jù)覆蓋情況中國(guó)工況41個(gè)數(shù)據(jù)采集城市中國(guó)工況車(chē)隊(duì)整體FLEET CONSTITUTIONHeavy duty vehicleNew energy vehicleLight duty vehicleConventional vehicleTaxiOfficialcarIntercity busBusPrivate carHeavy duty trackSpecial-used vehicle重型車(chē)車(chē)輛用途比例輕型車(chē)車(chē)輛用途比例傳統(tǒng)

7、車(chē)與新能源車(chē)比例輕型車(chē)與重型車(chē)比例中國(guó)工況數(shù)據(jù)特征DATA FEATURE各城市工況特征Cycle Feature數(shù)據(jù)的平均車(chē)速為26.5km/h，平均怠速比例為Ø 中國(guó)工況22%；The average velocity of whole light duties is 26.5km/h and theaverage of idle percentage is 22%.Ø 各城市的平均速度和怠速比例差異明顯，并且平均速度低的城市怠速比例未必高。例如重慶，貴陽(yáng)；The average of velocity and idle in every city appear a d

8、ifferent feature. Several cities appear low average velocity but also with a low idle percentage.Ø 低速區(qū)間的怠速比例最高，隨著速度的增大，怠速比例逐漸降低。The idle percentage in low-velocity region appears thehighest, which becomes lower with the higher velocity.平均速度（km/h）怠速比例中國(guó)工況數(shù)據(jù)特征DATA FEATURE不同數(shù)據(jù)源比較Comparison of Vari

9、ous Source無(wú)論是在各城市的平均車(chē)速比較，還是在綜合平均車(chē)速比較，中國(guó)工況與它們都較為接近，反映了CATC符合中國(guó)實(shí)際。Whether comparison with average velocity of each city or nationwide comprehensive average velocity, the data of CATC are all close to anyother data source.平均速度（km/h）平均速度（km/h）北京成都 大連 廣州 哈爾濱?？诤戏蕽?jì)南廊坊南昌 南京 南寧 青島 廈門(mén) 上海 沈陽(yáng) 石家莊蕪湖西安襄陽(yáng)長(zhǎng)春長(zhǎng)沙鎮(zhèn)江鄭州重

10、慶株洲中國(guó)工況數(shù)據(jù)特征DATA FEATURE速度片段特征Short Trip FeatureØ 各城市的運(yùn)動(dòng)片段時(shí)長(zhǎng)和怠速片段時(shí)長(zhǎng)有一定差異。The duration of running short trips differs from that of idle short trips .Ø 不同速度區(qū)間的怠速時(shí)長(zhǎng)較為接近，運(yùn)動(dòng)時(shí)長(zhǎng)差異明顯，總體運(yùn)動(dòng)時(shí)長(zhǎng)介于低速時(shí)長(zhǎng)和中速時(shí)長(zhǎng)之間。The duration of idle short trips in different velocity regions is close to each other, but that

11、of running short trips differs obviously from each other. The total running-trip duration situate between low-velocity and middle-velocity trip duration.Ø 平均運(yùn)動(dòng)片段時(shí)長(zhǎng)不足2分鐘。The duration of average running shop trip is less than 2minutes.時(shí)間（s）中國(guó)工況數(shù)據(jù)特征DATA FEATURE月度數(shù)據(jù)特征Monthly DataFeature各月份平均速度各月份怠速

12、比例各月份運(yùn)動(dòng)片段時(shí)長(zhǎng)平均速度（km/h）時(shí)間（s）比例（%）中國(guó)工況數(shù)據(jù)特征DATA FEATURE季節(jié)數(shù)據(jù)特征Seasonal DataFeature各季節(jié)平均速度各季節(jié)怠速比例各季節(jié)運(yùn)動(dòng)片段時(shí)長(zhǎng)平均速度（km/h）時(shí)間（s）比例（%）中國(guó)工況數(shù)據(jù)特征DATA FEATURE分車(chē)型特征Different TypeFeature兩類(lèi)車(chē)型速度段比例兩類(lèi)車(chē)型速度度兩類(lèi)車(chē)型速度分布兩類(lèi)車(chē)型度分布比例（%）速度（km/h）比例（%）<-3.5-3.5_ -3-3_-2.5-2.5_-2-2_-1.5-1.5_-1 1_-0.5-0.5_0 0_0.50.5_11_1.51.5_22_2.52.

13、5_33_3.5>3.5度（m/s2）中國(guó)工況數(shù)據(jù)特征DATA FEATURE分車(chē)型特征Different TypeFeature兩類(lèi)車(chē)型速度特征兩類(lèi)車(chē)型度特征兩類(lèi)車(chē)型速度分布兩類(lèi)車(chē)型速度段特征速度（km/h）速度（km/h）度（m/s2）比例（%）乘用車(chē)輕型車(chē)20151050乘用車(chē)輕型車(chē)中國(guó)工況車(chē)輛活動(dòng)特征INVESTIGATION OF VEHICLE ACTIVITY FEATURES速度特征Velocity Feature總體平均出行時(shí)速集中在30-40km/h范圍內(nèi)，這個(gè)結(jié)果略高于的平均速度值。The average velocity of investigation dist

14、ributebetween 30-40km/h, which is a little larger thanthat of CATC.比例中國(guó)工況車(chē)輛活動(dòng)特征INVESTIGATION OF VEHICLE ACTIVITY FEATURES油耗特征Oil Consumption Feature80%的車(chē)輛平均油耗在10L/100km以下，且主要集中在6-10 L/100 km的區(qū)間?？傮w油耗分布The oil consumption under 10L/100km covers80% of vehicle and it concentrate between 6-10L/100km.分排量段

15、油耗分布油耗占比比例1.0L(含)以下1.0L-1.6L1.6L-2.5L2.5L-4.0L4.0L以上中國(guó)工況車(chē)輛活動(dòng)特征INVESTIGATION OF VEHICLE ACTIVITY FEATURES運(yùn)行特征Running FeatureØ 近一半的市民日均出行不超過(guò)55km。Nearly half of citizens travel less than 55km one day.Ø 車(chē)輛日均使用時(shí)長(zhǎng)集中在1-2h內(nèi)，有80%的車(chē)輛日均使用時(shí)長(zhǎng)低于4h。Most of vehicles are drove running 1-2 h and 80% of vehi

16、cles are under 4 h.Ø 絕大多數(shù)的出行都屬于短途出行。Most of travels belong to short trips.分布頻率比例占比40%36%35%車(chē)輛日均使用時(shí)長(zhǎng)工作日30%26%周末25%22%19%20%16%15%11%13%13%10%8%9%5%6% 6%5%3%1% 2%2% 2%0%<1h12h23h34h45h56h67h78h>8h50%單次運(yùn)行時(shí)間40%30%20%10%0%<0.50.5-1h1-2h2-3h3-4h4-5h>5h運(yùn)行時(shí)間33%30%車(chē)輛年活動(dòng)水平：萬(wàn)公里19%20%16%10%10%7%0%<11-22-33-44-55-66-77-88-99-10>103%2%3%4%1%1%中國(guó)工況車(chē)輛活動(dòng)特征INVESTIGATION OF VEHICLE ACTIVITY FEATURES道路情況特征Traffic Feature工作日與周末都會(huì)出現(xiàn)早、晚的比較平緩。，而周末Ø工作日There are morning and evening rush hours on weekdays and weekend, but the rush hours appea