Article(id=1214642643024396394, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642640251961379, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20220182, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1767522973066, onlineDateStr=2026-01-04, pubDate=1691164800000, pubDateStr=2023-08-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767522973066, onlineIssueDateStr=2026-01-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767522973066, creator=13701087609, updateTime=1767522973066, updator=13701087609, issue=Issue{id=1214642640251961379, tenantId=1146029695717560320, journalId=1189645257101713411, year='2023', volume='', issue='8', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1767522972404, creator=13701087609, updateTime=1767533854059, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1214688281275585312, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642640251961379, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1214688281275585313, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642640251961379, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=36, endPage=41, ext={EN=ArticleExt(id=1214642644429488247, articleId=1214642643024396394, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Study on Misfire Calibration For China VI Heavy Duty Natural Gas Vehicle, columnId=null, journalTitle=Automotive Digest, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Engine misfire is a major problem affecting the high quality of the vehicle, and misfire problem of heavy natural gas vehicle for China VI is a difficult problem in the industry. In this paper, the actual misfire problem of a heavy-duty natural gas vehicle is studied. Based on the field of vehicle calibration, the causes of misfire in hardware and software are analyzed, and the calibration improvement scheme related to Exhaust Gas Recirculation (EGR) and excess air ratio(λ) module is studied in depth. The scheme combination aims to solve typical vehicle misfire problems in plateau, high cold, high temperature and mountainous areas, and has good application effect on this model, providing a new calibration perspective and ideas for solving misfire of heavy duty natural gas vehicle.
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发动机失火是影响整车高品质的重大问题,国六重型天然气汽车失火问题是行业难题。针对某重型天然气车的实际失火问题开展调研,基于整车标定过程,概要分析了车型失火的硬件和软件方面成因,深入研究了与废气再循环(EGR)、过量空气系数模块有关的标定改进方案,该方案组合面向解决高原、高寒、高温和山区场景下的整车失火的典型问题,在本车型应用效果良好,为解决重型天然气汽车失火提供新的标定视角和思路。
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, authorsList=曹林, 吴顺清, 杨显利, 王龙宇)}, authors=[Author(id=1215266497828668043, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=caolin555@126.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1215266497891582609, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, authorId=1215266497828668043, language=EN, stringName=Lin Cao, firstName=Lin, middleName=null, lastName=Cao, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Commercial Vehicle Development Institute, FAW Jiefang Automobile Co. Ltd., Changchun 130011, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215266497979662997, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, authorId=1215266497828668043, language=CN, stringName=曹林, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=一汽解放汽车有限公司商用车开发院, 长春 130011, bio={"content":"
曹林,1978年出生,毕业于哈尔滨工业大学。目前就职一汽解放商用车开发院,从事商用车标定工作20年。E-mail: caolin555@126.com
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曹林,1978年出生,毕业于哈尔滨工业大学。目前就职一汽解放商用车开发院,从事商用车标定工作20年。E-mail: caolin555@126.com
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EGR开启延迟标定数据, figureFileSmall=IM1Hci4r0gY0WHPMXlSR6A==, figureFileBig=4+KtfGyy33r0vfu7I/4vCw==, tableContent=null), ArticleFig(id=1215266500546577149, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=ykjgUPZE31T6gVSP8Gq8/w==, figureFileBig=qLzSg1mRnCZng5d5y16jAg==, tableContent=null), ArticleFig(id=1215266500634657536, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图5, caption=
EGR开启速率标定数据, figureFileSmall=ykjgUPZE31T6gVSP8Gq8/w==, figureFileBig=qLzSg1mRnCZng5d5y16jAg==, tableContent=null), ArticleFig(id=1215266500743709442, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=0JyTkqcinuA5ncW9U4dTHA==, figureFileBig=xTPRXw8Pq2069p4P8WQ7Qg==, tableContent=null), ArticleFig(id=1215266500835984132, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图6, caption=
EGR开启延迟时间和速率最优值, figureFileSmall=0JyTkqcinuA5ncW9U4dTHA==, figureFileBig=xTPRXw8Pq2069p4P8WQ7Qg==, tableContent=null), ArticleFig(id=1215266502077498119, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=fWyP12lbK6J5BVFsE1W1zw==, figureFileBig=DJS7KWxY9mzbfSPEDeVsSQ==, tableContent=null), ArticleFig(id=1215266502169772811, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图7, caption=
动力性标定数据, figureFileSmall=fWyP12lbK6J5BVFsE1W1zw==, figureFileBig=DJS7KWxY9mzbfSPEDeVsSQ==, tableContent=null), ArticleFig(id=1215266502236881676, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=TAVBCDoupuZ3eo/Ilq69rQ==, figureFileBig=0gN8fTjNLYec7y+92jeg1w==, tableContent=null), ArticleFig(id=1215266502303990540, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图8, caption=
EGR瞬态标定新策略, figureFileSmall=TAVBCDoupuZ3eo/Ilq69rQ==, figureFileBig=0gN8fTjNLYec7y+92jeg1w==, tableContent=null), ArticleFig(id=1215266502417236752, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=7ZFMHHYkZQfBOfcR+SMJyQ==, figureFileBig=u3xVqL5B8qQuX5OT67jalg==, tableContent=null), ArticleFig(id=1215266502551454483, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图9, caption=
高原连续换挡标定数据, figureFileSmall=7ZFMHHYkZQfBOfcR+SMJyQ==, figureFileBig=u3xVqL5B8qQuX5OT67jalg==, tableContent=null), ArticleFig(id=1215266502614369045, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=gfs83cGdZoatYW3CNEYtRg==, figureFileBig=ylynUymyU/EE16b/SAhDVA==, tableContent=null), ArticleFig(id=1215266502677283606, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图10, caption=
EGR阀低温结冰, figureFileSmall=gfs83cGdZoatYW3CNEYtRg==, figureFileBig=ylynUymyU/EE16b/SAhDVA==, tableContent=null), ArticleFig(id=1215266502736003865, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=BOtWZJwIoGGS4BJZ5uY+SQ==, figureFileBig=aReFO/tesLe3lcdcx0Q/3A==, tableContent=null), ArticleFig(id=1215266502794724123, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图11, caption=
EGR阀化冰后失火标定数据, figureFileSmall=BOtWZJwIoGGS4BJZ5uY+SQ==, figureFileBig=aReFO/tesLe3lcdcx0Q/3A==, tableContent=null), ArticleFig(id=1215266502870221598, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=VYfKF/Bl3YO3g2gi8bIuZg==, figureFileBig=2rQYwOdP8XjZ7sKOzegF6Q==, tableContent=null), ArticleFig(id=1215266502962496288, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图12, caption=
缸压和放热率的湿度特征, figureFileSmall=VYfKF/Bl3YO3g2gi8bIuZg==, figureFileBig=2rQYwOdP8XjZ7sKOzegF6Q==, tableContent=null), ArticleFig(id=1215266503037993763, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=/EqcpNA2Sv/GE0TN3LdMnA==, figureFileBig=exWAcPwdBkvcApWnx8nCTg==, tableContent=null), ArticleFig(id=1215266503121879845, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图13, caption=
高湿失火标定数据, figureFileSmall=/EqcpNA2Sv/GE0TN3LdMnA==, figureFileBig=exWAcPwdBkvcApWnx8nCTg==, tableContent=null), ArticleFig(id=1215266503272874790, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=FvP5UTemJVaPYLJ5qZUEdA==, figureFileBig=89v/f67BvsGRO8B7/LN6NA==, tableContent=null), ArticleFig(id=1215266503352566569, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图14, caption=
怠速λ边界标定试验采集曲线, figureFileSmall=FvP5UTemJVaPYLJ5qZUEdA==, figureFileBig=89v/f67BvsGRO8B7/LN6NA==, tableContent=null), ArticleFig(id=1215266503419675435, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=CWG5o0N4vsvkrhCfuLuNsg==, figureFileBig=6mumrFZDBRQKeJPjwfg1/g==, tableContent=null), ArticleFig(id=1215266503524533038, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图15, caption=
怠速λ与评价指标, figureFileSmall=CWG5o0N4vsvkrhCfuLuNsg==, figureFileBig=6mumrFZDBRQKeJPjwfg1/g==, tableContent=null), ArticleFig(id=1215266503604224815, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=SHU2fCA9xackWTqP6OKREQ==, figureFileBig=pDI1PX9mn7f/nWPY0m3bvw==, tableContent=null), ArticleFig(id=1215266503662945073, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=图16, caption=
怠速标定采集曲线(-10 ℃), figureFileSmall=SHU2fCA9xackWTqP6OKREQ==, figureFileBig=pDI1PX9mn7f/nWPY0m3bvw==, tableContent=null), ArticleFig(id=1215266503734248243, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 车型 | 路况特征 | 车况特征 | 瞬态特征 |
| 重型车 | 复杂 | 载荷重 工况多 | 瞬态响应慢,EGR率瞬时偏大 |
| 轻型车 | 单一 | 载荷轻 工况少 | 瞬态响应快,EGR率瞬时正常 |
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重型车和轻型车特征对比
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| 车型 | 路况特征 | 车况特征 | 瞬态特征 |
| 重型车 | 复杂 | 载荷重 工况多 | 瞬态响应慢,EGR率瞬时偏大 |
| 轻型车 | 单一 | 载荷轻 工况少 | 瞬态响应快,EGR率瞬时正常 |
), ArticleFig(id=1215266503922991927, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 挡位 | 7 | 8 | 9 | 10 |
失火中心区域 波动/%@转速 /r·min-1 | <53 @1 200 | <65 @1 200 | <68 @1 250 | <80 @1 400 |
| 最大转速波动范围/r·min-1 | -92~100 | -100~105 | -100~110 | 150~200 |
| 失火后、前催化器温差ΔT/℃ | 50~60 | 60~75 | 80~100 | 100~110 |
| 最大EGR率波动范围/% | -6.1~6.7 | -7.2~7.7 | -7.5~7.9 | -8.4~8.8 |
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连续换挡加速数据分析(海拔高度为2 800 m)
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| 挡位 | 7 | 8 | 9 | 10 |
失火中心区域 波动/%@转速 /r·min-1 | <53 @1 200 | <65 @1 200 | <68 @1 250 | <80 @1 400 |
| 最大转速波动范围/r·min-1 | -92~100 | -100~105 | -100~110 | 150~200 |
| 失火后、前催化器温差ΔT/℃ | 50~60 | 60~75 | 80~100 | 100~110 |
| 最大EGR率波动范围/% | -6.1~6.7 | -7.2~7.7 | -7.5~7.9 | -8.4~8.8 |
), ArticleFig(id=1215266504086569787, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 新标定策略 | 策略描述 |
| EGR自清洁 | 熄火后,多次开启EGR阀板,排除积水,预防结冰。 |
| 扭矩限制 | EGR化冰前后,限制发动机扭矩输出,降低催化器温升。 |
| 暂停监控 | <-20 ℃限制扭矩后,催化器内温升小,失火可控,暂停失火监控避免误报。 |
), ArticleFig(id=1215266504204010302, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=表3, caption=
EGR化冰失火标定策略
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| 新标定策略 | 策略描述 |
| EGR自清洁 | 熄火后,多次开启EGR阀板,排除积水,预防结冰。 |
| 扭矩限制 | EGR化冰前后,限制发动机扭矩输出,降低催化器温升。 |
| 暂停监控 | <-20 ℃限制扭矩后,催化器内温升小,失火可控,暂停失火监控避免误报。 |
), ArticleFig(id=1215266504304673600, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 怠速催化器内部温度边界Tcatini/℃ | 400~420 |
| 热机怠速转速变化率/rad·s-2 | 2~3 |
), ArticleFig(id=1215266504417919809, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642643024396394, language=CN, label=表4, caption=
热机怠速λ边界评价指标
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| 怠速催化器内部温度边界Tcatini/℃ | 400~420 |
| 热机怠速转速变化率/rad·s-2 | 2~3 |
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