Article(id=1214642694488506895, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642691254698493, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20220262, 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=1767522985335, onlineDateStr=2026-01-04, pubDate=1693843200000, pubDateStr=2023-09-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767522985335, onlineIssueDateStr=2026-01-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767522985335, creator=13701087609, updateTime=1767522985335, updator=13701087609, issue=Issue{id=1214642691254698493, tenantId=1146029695717560320, journalId=1189645257101713411, year='2023', volume='', issue='9', 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=1767522984564, creator=13701087609, updateTime=1767523286321, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1214643956953043732, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642691254698493, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1214643956953043733, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642691254698493, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=52, endPage=57, ext={EN=ArticleExt(id=1214642694815662618, articleId=1214642694488506895, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Study on Test and Evaluation of Suppressing the Vehicle Understeering Based on Automobile ESC System, columnId=1214642691929981439, journalTitle=Automotive Digest, columnName=Special Topic on Technologies of Intelligent and Connected NEVs, runingTitle=null, highlight=null, articleAbstract=

In order to explore the test method that can effectively stimulate the understeering trend of vehicles in dangerous or extreme working conditions and develop reasonable indexes to evaluate the understeering control performance of electronic stability control system (ESC), to make up for the deficiencies in this field at home and abroad. The vehicle model was built by using the multi-body dynamics simulation software ADAMS and combined simulation with MATLAB/Simulink based on the analysis of the working principle and basic requirements of the Electronic Stability Control System (ESC). Combined with the vehicle test and verification, an evaluation method for the performance of ESC control understeering was proposed. It can effectively test and evaluate the control performance of ESC for vehicle understeering under dangerous conditions, which makes up for the deficiency in this field at home and abroad, and improves the ESC test and evaluation system.

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为探索能有效激发出车辆在危险工况或极限工况下转向不足趋势的试验方法,并制定合理的指标以评价电子稳定性控制系统(ESC)转向不足控制性能,弥补国内外在该领域的不足,在分析ESC工作原理及基本要求的基础之上,利用多体动力学仿真软件ADAMS进行整车模型搭建,并用MATLAB/Simulink联合仿真,结合实车试验验证,提出了一种针对车辆ESC控制转向不足性能的测评方法,能有效地测试、评价在危险工况下ESC对于车辆转向不足的控制性能,完善了ESC测试评价体系。

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牛成勇,1990年,男,就职于招商局检测车辆技术研究院有限公司,高级工程师,智能网联汽车安全测试与评估技术研究。 E-mail:

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牛成勇,1990年,男,就职于招商局检测车辆技术研究院有限公司,高级工程师,智能网联汽车安全测试与评估技术研究。 E-mail:

"}, bioImg=null, bioContent=

牛成勇,1990年,男,就职于招商局检测车辆技术研究院有限公司,高级工程师,智能网联汽车安全测试与评估技术研究。 E-mail:

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项目名称 参数值
长×宽×高/m×m×m 12.00×2.55×3.75
最大总质量/kg 18 000
前/后轮胎刚度/kN·m-1 3 005/3 215
前/后悬刚度/kN·m-1 301/454.53
前/后减振器阻尼系数/N·(s/m)-1 7 800/7 800
前/后轴至车身质心距离/m 3.875/2.125
轴距/m 6.00
簧上质量纵向转动惯量/kg·m-2 16 800
前/后簧下质量/kg 1 020/1 608
质心高度/m 1.12
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国内某商用车性能关键参数表

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项目名称 参数值
长×宽×高/m×m×m 12.00×2.55×3.75
最大总质量/kg 18 000
前/后轮胎刚度/kN·m-1 3 005/3 215
前/后悬刚度/kN·m-1 301/454.53
前/后减振器阻尼系数/N·(s/m)-1 7 800/7 800
前/后轴至车身质心距离/m 3.875/2.125
轴距/m 6.00
簧上质量纵向转动惯量/kg·m-2 16 800
前/后簧下质量/kg 1 020/1 608
质心高度/m 1.12
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汽车ESC系统干预转向不足性能测评与研究*
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牛成勇 1, 2, 3 , 吴昆伦 1, 2 , 王戡 1, 2 , 苏占领 1, 3 , 周祥祥 1, 3
汽车文摘 | 智能网联新能源汽车技术专题 2023,(9): 52-57
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汽车文摘 | 智能网联新能源汽车技术专题 2023, (9): 52-57
汽车ESC系统干预转向不足性能测评与研究*
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牛成勇1, 2, 3 , 吴昆伦1, 2, 王戡1, 2, 苏占领1, 3, 周祥祥1, 3
作者信息
  • 1 招商局检测车辆技术研究院有限公司 国家智能网联汽车质量检验检测中心(重庆), 重庆 401329
  • 2 汽车主动安全测试技术重庆市工业和信息化重点实验室, 重庆 401329
  • 3 自动驾驶系统及智能网联汽车技术研发与测试应用重庆市工程研究中心, 重庆 401329
  • 牛成勇,1990年,男,就职于招商局检测车辆技术研究院有限公司,高级工程师,智能网联汽车安全测试与评估技术研究。 E-mail:

Study on Test and Evaluation of Suppressing the Vehicle Understeering Based on Automobile ESC System
Chengyong Niu1, 2, 3 , Kunlun Wu1, 2, Kan Wang1, 2, Zhanling Su1, 3, Xiangxiang Zhou1, 3
Affiliations
  • 1 China Merchants Testing Vehicle Technology Research Institute Co. Ltd, National Intelligent Connected Vehicle Quality Inspection Center (Chongqing), Chongqing 401329
  • 2 Automotive Active Safety Testing Technology Chongqing Key Laboratory of Industry and Information Technology, Chongqing 401329
  • 3 AD System and ICV Technology Chongqing Test & Research Engineering Center, Chongqing 401329
出版时间: 2023-09-05 doi: 10.19822/j.cnki.1671-6329.20220262
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为探索能有效激发出车辆在危险工况或极限工况下转向不足趋势的试验方法,并制定合理的指标以评价电子稳定性控制系统(ESC)转向不足控制性能,弥补国内外在该领域的不足,在分析ESC工作原理及基本要求的基础之上,利用多体动力学仿真软件ADAMS进行整车模型搭建,并用MATLAB/Simulink联合仿真,结合实车试验验证,提出了一种针对车辆ESC控制转向不足性能的测评方法,能有效地测试、评价在危险工况下ESC对于车辆转向不足的控制性能,完善了ESC测试评价体系。

汽车  /  电子稳定性控制系统(ESC)  /  干预转向不足  /  联合仿真  /  实车测评

In order to explore the test method that can effectively stimulate the understeering trend of vehicles in dangerous or extreme working conditions and develop reasonable indexes to evaluate the understeering control performance of electronic stability control system (ESC), to make up for the deficiencies in this field at home and abroad. The vehicle model was built by using the multi-body dynamics simulation software ADAMS and combined simulation with MATLAB/Simulink based on the analysis of the working principle and basic requirements of the Electronic Stability Control System (ESC). Combined with the vehicle test and verification, an evaluation method for the performance of ESC control understeering was proposed. It can effectively test and evaluate the control performance of ESC for vehicle understeering under dangerous conditions, which makes up for the deficiency in this field at home and abroad, and improves the ESC test and evaluation system.

Automobile  /  Electronic Stability Control System (ESC)  /  Suppress the understeering  /  Combined simulation  /  Vehicle test and evaluation
牛成勇, 吴昆伦, 王戡, 苏占领, 周祥祥. 汽车ESC系统干预转向不足性能测评与研究*. 汽车文摘, 2023 , (9) : 52 -57 . DOI: 10.19822/j.cnki.1671-6329.20220262
Chengyong Niu, Kunlun Wu, Kan Wang, Zhanling Su, Xiangxiang Zhou. Study on Test and Evaluation of Suppressing the Vehicle Understeering Based on Automobile ESC System[J]. Automotive Digest, 2023 , (9) : 52 -57 . DOI: 10.19822/j.cnki.1671-6329.20220262
汽车电子稳定性控制系统(Electronic Stability Control, ESC)是一种辅助驾驶员有效控制车辆的主动安全设备,其通过对车轮制动力和发动机输出扭矩进行调整,限制车辆侧偏角发生急转,并保证车辆侧偏角始终处于一定范围内,以获得足够的横摆力矩增益。据美国高速公路交通安全局(NHTSA)的分析数据表明, 使用ESC能减少34%的乘用车和59%的SUV单车碰撞事故,还可有效地预防71%的乘用车和84%的SUV翻车事故[1-2]
目前,随着汽车智能化、电动化的不断发展以及消费者对车辆安全性的关注日益提高,加之国家相关标准法规的陆续发布、实施,ESC系统已大量装备于汽车上,其在行车安全上的优势已被全球汽车生产厂家和汽车使用者认可,使其成为继ABS技术之后,保护车内驾乘人员生命安全非常重要的主动安全技术[3-4]
鉴于不同ESC生产企业的ESC控制策略差异所带来的系统性能优劣性,装备ESC系统的车辆必须满足法规规定试验的性能要求,以保证其对车辆极限工况下出现的转向过度(后轴侧滑)、转向不足(前轴侧滑)问题有足够的干预,使车辆进入稳定工况。然而,在国内外ESC性能测试及评价体系中只涉及系统对车辆过度转向的控制性能测试,均未对极限工况(或危险工况)下ESC干预转向不足的性能试验及评价指标作明确规定。也就是说,如何有效解决车辆在极限工况(或危险工况)的转向不足,并制定合理的评价指标,评价ESC系统转向不足控制性能在国内外尚属于空白领域。
根据国内外ESC系统测试与评价研究现状,其在干预转向不足性能测试技术方面主要存在以下3个问题:
(1)试验方案的合理性
NHTSA实施的正弦延迟试验(Sine With Dwell,SWD)能较好地评价系统对过度转向的干预性能,而对转向不足的干预性能却无能为力。在低附着系数路面上更容易激发出车辆严重的转向不足趋势,但试验结果很难明确地对ESC控制转向不足的性能进行评价。因此,制定合理的试验方案是评价ESC控制转向不足性能的关键。
(2)评价指标的客观性
针对可能激发出车辆严重转向不足的试验工况,如冰雪路面上的双移线或稳态回转试验,都会受驾驶员输入的影响,很难对ESC性能进行定量评价。即使根据经验选取一些评价指标,但其评价指标是否客观、合理,有待于试验验证和进一步考量。因此,制定客观的评价指标是评价ESC控制转向不足性能的重点。
(3)试验场地的规范性
目前,在国内符合法规标准要求的ESC试验场地主要由企业建设,存在一些诸如路面附着系数测定方面问题。尽管在低附着系数路面(如冰雪路面、洒水路面)更容易激发出车辆因转向不足而引发的前轴侧滑,但是缺乏相关的标准试验场地开展转向不足试验研究和验证工作。因此,建立规范的试验场是评价ESC控制转向不足性能的基础。
ESC系统能通过传感器信号准确识别车辆行驶状态,预估不稳定状态,并通过限制发动机扭矩输出及控制各车轮与地面的附着力,实现对转向不足和过度转向的干预,达到修正转向、调整车辆不稳定姿态的控制效果[5-8]
当车辆出现如图1所示的转向不足工况或趋势时,ESC系统将对车辆后轴内侧车轮4实施制动,产生一个顺时针方向的附加横摆力矩,使车辆沿驾驶员的期望路径偏转。具体原理是,在轮胎与路面极限附着工况下,车轮所受的纵向力与侧向力的合力基本不变。当ESC系统增加某一车轮的制动力FB时,势必会导致该车轮受到的侧向力FS减小,在其它车轮所受地面侧向力基本不变的情况下,最终引起4个轮胎的合力转动,即对车身产生了一个补偿横摆力矩,如图2所示。其中,V为车辆前进方向速度;α为轮胎侧偏角;λ为滑移率;δ为车轮转角;FS(λ0)FB(λ0)FR(λ0)分别为滑移率为λ0时,轮胎所受地面的侧向力、纵向力和合力。
当单独制动车轮4不足以改变车辆的转向不足状态时,系统将通过制动其它车轮或降低发动机输出扭矩来满足要求。
简化原则为:
(1)将除轮胎、弹簧、阻尼元件等柔性体外的其余部件均按刚性体处理。
(2)忽略零部件之间的摩擦力影响。
(3)车身质量简化在整车质心位置[9-10]
根据表1所列的国内某商用车(营运客车)关键性能参数,利用ADAMS/Car软件的模板生成器,依次建立前悬架模型、后悬架模型、转向系统模型、轮胎模型、动力系统(发动机)模型、制动系统模型以及路面模型并建立各子系统之间的通讯器。
将搭建好的各大子系统模型进行组装和调试,从而装配成整车动力学仿真模型,如图3所示。
利用建立好的整车模型进行MATLAB/Simulink联合仿真。按表1配置的整车进行了试验,试验工况采用与仿真相同的工况。将仿真结果与试验结果进行对比,以检验整车模型的合理性、准确性。本文采用的是蛇形仿真来检验整车模型。对于大型商用车而言,满载试验时,蛇行试验标准场景要求标桩间距为50 m,试验车速为50 km/h。车辆横摆角速度和车身侧倾角的仿真与试验对比结果如图4图5所示。
通过对比结果可知,横摆角速度和车身侧倾角参数在模型仿真和实车试验中数值差别较小,在合理的可接受范围内,从而证明该模型具有一定的准确性,为后续的进一步联合仿真分析奠定了基础。
针对ESC系统控制特点,为了更精确地控制汽车行驶状态,采用横摆角速度$\omega $和质心侧偏角$\beta $作为控制输入量,采用PID控制方法,分别设计2个PID控制器,经过加权后形成联合控制器,输出量为横摆力矩[10],其控制系统框如图6所示。
在Simulink中建立基于PID控制的ESC仿真模型,如图7所示。
整个联合仿真系统由3部分构成:ADAMS/Car整车模型、整车参考模型和控制系统,如图8所示。
结合ADAMS/Car整车模型和控制系统,经反复仿真验证,采用如下方法可以较容易激发车辆转向不足趋势,并能有效验证ESC系统的干预控制能力:
(1)在路面附着系数为0.3(低附着系数路面)上进行“双移线”行驶工况。
(2)车辆满载时载荷布置方式为“前轻后重”(前后轴荷比为0.35)。
在选取50 km/h的仿真速度环境下,车辆进行“双移线”试验。在ESC系统开启和关闭2种状态下行驶轨迹对比如图9所示。
通过ADAMS和Simulink联合仿真结果可以看出,在低附着系数路面、整车载荷差异性布置(质心后移)的测试条件下,双移线试验可激发车辆转向不足。ESC系统能有效地对车辆在危险状况下的转向不足进行干预控制,提高变道行驶安全性。
该仿真结果在一定程度上说明了本文所提出的激活车辆转向不足趋势的方法及考察ESC系统的干预转向不足性能是可行的,为后续实车测试验证提供了支撑。
目前应用于ESC性能测试系统如图10所示,主要包括以下部分:
(1)驾驶机器人:可精确控制车辆,按设定路径、角度行驶;控制车辆行驶车速的稳定性以保障测试结果一致性。
(2)组合惯导系统:可实现车辆相关动态参数的高精度实时测量,并保证定位精度达到厘米级。
(3)德维创数据采集系统:可采集制动气室压力和发动机扭矩、转速信息。
车辆满载且前后轴荷比为0.35。按照图11所示的测试场景,在低附着系数路面上布置标志桩,且确保ESC关闭装置正常,测试在ESC开启和关闭2种状态下分别进行。
为保证测试安全,测试从30 km/h的车速开始,以5 km/h的幅度逐步增加测试车速。如果车辆在通过测试通道过程中,未接触任何标志桩,也未偏离测试通道,则认为测试有效。否则,终止测试。
测试过程中,将车辆运行轨迹控制在双移线轨道中。在第1个标志桩处保持加速踏板位置不变,并触发记录该瞬间的车速,且全程不采取制动操作(除非车辆达到失稳状态),仅通过调整转向盘来控制车辆。
在低附着系数路面下的双移线避障行驶工况中,能够在不触碰标志桩,且不偏离行驶轨迹的前提下,“进入(入口)车速”的高低能直接体现ESC对车辆转向不足的控制性能。
以某商用车(营运客车)为测试样车,以驾驶机器人控制行驶路径和车速,在低附着系数路面上完成“双移线”验证测试,如图12所示。
经实测发现,在ESC系统开启和关闭2种状态下,车辆的最高入口车速分别为55.6 km/h和43.0 km/h,即车辆在装备ESC系统后的操纵稳定性改善程度(最高入口车速改变量)为:
$\varphi =\frac{{V}_{maxESC ON}-{V}_{maxESC OFF}}{{V}_{maxESC OFF}}\times 100\%=29.3\%$
式中,$\varphi $为操纵稳定性改善程度;VmaxESC ON为ESC系统开启时的最高入口车速;VmaxESC OFF为ESC系统关闭时的最高入口车速。
车辆在入口车速为43 km/h、ESC系统开启和关闭2种状态下的行驶轨迹、横摆角速度、侧向加速度对比参数分别如图13~图15所示。在ESC系统开启时,车辆各车轮制动气压值如图16所示。
图13~图15的对比参数及图16中的各车轮制动气室压力可以看出,在ESC系统失效状态下,车辆的实际运动轨迹已经明显偏离期望运动轨迹,表现为明显的转向不足。横摆角速度、侧向加速度峰值及相应的持续时间也明显增大,车辆即将失控的态势表现明显。与之相反,车辆在ESC系统作用下,右后轮制动气室压力值(制动气压峰值约为750 kPa)明显大于其它车轮制动气室压力值,根据前述理论分析可知,车辆便获得一个较大的附加横摆力矩,使其转向不足趋势得到有效控制,路径跟随能力明显改善。
结合联合仿真结果和实车测试数据可以看出,当车辆载荷进行“前轻后重”式的差异性布置,在低路面附着系数的测试条件下,通过“双移线”变道试验可有效激发车辆转向不足趋势,且ESC系统可有效控制因转向不足趋势而带来的失控风险。
因此,本文所提出的针对车辆ESC控制转向不足性能的测评方法,能凸显ESC系统转向不足失控控制性能,完善了ESC测试评价体系。
  • *国家市场监督管理总局科技计划项目(2021MK094)
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doi: 10.19822/j.cnki.1671-6329.20220262
  • 首发时间:2026-01-04
  • 出版时间:2023-09-05
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*国家市场监督管理总局科技计划项目(2021MK094)
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    1 招商局检测车辆技术研究院有限公司 国家智能网联汽车质量检验检测中心(重庆), 重庆 401329
    2 汽车主动安全测试技术重庆市工业和信息化重点实验室, 重庆 401329
    3 自动驾驶系统及智能网联汽车技术研发与测试应用重庆市工程研究中心, 重庆 401329
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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