Article(id=1157001753150447865, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001740768858346, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2024.07.015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1704988800000, receivedDateStr=2024-01-12, revisedDate=1708704000000, revisedDateStr=2024-02-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1753780314004, onlineDateStr=2025-07-29, pubDate=1721836800000, pubDateStr=2024-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753780314004, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753780314004, creator=13701087609, updateTime=1753780314004, updator=13701087609, issue=Issue{id=1157001740768858346, tenantId=1146029695717560320, journalId=1146120084050784272, year='2024', volume='46', issue='7', pageStart='1137', pageEnd='1334', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=0, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753780311052, creator=13701087609, updateTime=1756792480363, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1169635694612853253, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001740768858346, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1169635694612853254, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1157001740768858346, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1282, endPage=1293, ext={EN=ArticleExt(id=1157001754828169469, articleId=1157001753150447865, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Research on Air Spring Modeling Based on Fractional Order and Electric Vehicle Active Suspension Control, columnId=null, journalTitle=Automotive Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Electrically controlled air suspension (ECAS) has the function of adjusting suspension stiffness and body height, which can effectively improve vehicle ride comfort and handling stability. Taking a passenger car ECAS as an example, the viscoelastic damping characteristics of rubber airbag are described by fractional theory, and the thermodynamic model is optimized considering the equivalent damping and hysteretic characteristics, which is in good agreement with the experimental data, and the precision of the optimized air spring model is verified. On this basis, considering the longitudinal and lateral dynamic characteristics of the vehicle and the Dugoff tire model, a 14-degree-of-freedom vehicle ECAS dynamic model is established, and a Model Predictive Control (MPC) active suspension control method is proposed, with measurable variables as the input of the controller, to realize the active control under straight and turning driving conditions. Simulation and vehicle bench test show that the fractional correction model can well reflect the variable stiffness characteristics of ECAS, and the active suspension control strategy based on MPC can adjust the air spring stiffness in real time, control the body posture, and effectively improve the ride comfort and stability of the electric vehicle. The research method in this paper provides a new idea for vehicle suspension system modeling and active control.
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电控空气悬架系统(electrically controlled air suspension, ECAS)具有调节悬架刚度和车身高度的功能,可有效改善车辆乘坐舒适性和操纵稳定性。以某乘用车ECAS为对象,利用分数阶理论描述橡胶气囊的黏弹性阻尼特性,考虑等效阻尼及滞回特性对其热力学模型进行了优化,结果与实验数据吻合良好,验证了优化后的空气弹簧模型的精确性。在此基础上,考虑车辆纵横向动力学特性与Dugoff轮胎模型,建立14自由度整车ECAS动力学模型,提出模型预测(model predictive control, MPC)主动悬架控制方法,以可测变量为控制器输入,实现直线及转向行驶工况下的主动控制。仿真与整车台架实验研究表明,分数阶修正模型可以很好地反映ECAS变刚度特性,基于MPC的主动悬架控制策略能实时调整空气弹簧刚度,控制车身姿态,有效改善电动汽车行驶时的平顺性与稳定性。论文的研究方法为车辆悬架系统建模及主动控制提供了一种新思路。
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Dugoff模型及其轮胎力, figureFileSmall=pAytobdsOi59I2F4Z3/7FQ==, figureFileBig=xQuBWV4toKv8gNECPsL4Mw==, tableContent=null), ArticleFig(id=1157001988429930919, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=i189z6BkYpXfT5h0n4gcCg==, figureFileBig=hAR5Dj4ZDPe4jx60TWtfgg==, tableContent=null), ArticleFig(id=1157001988488651177, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图7, caption=
直线行驶急减速工况仿真, figureFileSmall=i189z6BkYpXfT5h0n4gcCg==, figureFileBig=hAR5Dj4ZDPe4jx60TWtfgg==, tableContent=null), ArticleFig(id=1157001988589314475, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=RnqssnWPJ01zfrgk0SQD2w==, figureFileBig=twxzTfVC6DEDgrptKxRDew==, tableContent=null), ArticleFig(id=1157001988627063213, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图8, caption=
转向行驶双移线工况仿真, figureFileSmall=RnqssnWPJ01zfrgk0SQD2w==, figureFileBig=twxzTfVC6DEDgrptKxRDew==, tableContent=null), ArticleFig(id=1157001988689977775, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=vUSpym8GmkV4UaGp6AJoKA==, figureFileBig=oGayoGF2/G83cG/Q516GCA==, tableContent=null), ArticleFig(id=1157001988740309425, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图9, caption=
模型预测控制器流程图, figureFileSmall=vUSpym8GmkV4UaGp6AJoKA==, figureFileBig=oGayoGF2/G83cG/Q516GCA==, tableContent=null), ArticleFig(id=1157001988815806897, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=iEg5Zgb28gr6dvuwT4L6Kw==, figureFileBig=VN+QqxdKMPTbD38U4raSeQ==, tableContent=null), ArticleFig(id=1157001988887110066, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图10, caption=
急减速工况下的车辆响应, figureFileSmall=iEg5Zgb28gr6dvuwT4L6Kw==, figureFileBig=VN+QqxdKMPTbD38U4raSeQ==, tableContent=null), ArticleFig(id=1157001988941636020, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=pt7wWzwyJ1a6I8bSu8PCkQ==, figureFileBig=4s0d3mT7rxPqx0Nv9FLRKQ==, tableContent=null), ArticleFig(id=1157001988991967670, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图11, caption=
双移线工况下的车辆响应, figureFileSmall=pt7wWzwyJ1a6I8bSu8PCkQ==, figureFileBig=4s0d3mT7rxPqx0Nv9FLRKQ==, tableContent=null), ArticleFig(id=1157001989050687928, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=ghYL+a1gmDetvFO80JmcTA==, figureFileBig=K2qJJPj0L7sBgSbH/yXtWQ==, tableContent=null), ArticleFig(id=1157001989105213882, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图12, caption=
ECAS实验台系统组成 1—MPC5744P车载控制器;2—装有Labview的PC机;3—电流功率放大器;4—PLC控制器;5—电动缸伺服驱动系统;6—负载压缩机;7—伺服电动缸;8—空气弹簧;9—车身高度传感器;10—电磁阀;11—压力传感器;12—加速度传感器。
, figureFileSmall=ghYL+a1gmDetvFO80JmcTA==, figureFileBig=K2qJJPj0L7sBgSbH/yXtWQ==, tableContent=null), ArticleFig(id=1157001989168128444, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=K4XbAXNyt/DneYjIsjgsrw==, figureFileBig=uv/olqJ7pZCvYG7fXq2IWw==, tableContent=null), ArticleFig(id=1157001989218460094, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图13, caption=
整车实验台控制流程, figureFileSmall=K4XbAXNyt/DneYjIsjgsrw==, figureFileBig=uv/olqJ7pZCvYG7fXq2IWw==, tableContent=null), ArticleFig(id=1157001989281374656, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=iKiMPV22vbozEfqaCzYe8A==, figureFileBig=RBQbHA/AizsUDraHukpniA==, tableContent=null), ArticleFig(id=1157001989340094914, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=图14, caption=
悬架动挠度实验曲线, figureFileSmall=iKiMPV22vbozEfqaCzYe8A==, figureFileBig=RBQbHA/AizsUDraHukpniA==, tableContent=null), ArticleFig(id=1157001989407203780, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 初始容积 /m3 | 0.000 79 |
| 有效承载面积 /m2 | 0.003 5 |
| 初始压力 /MPa | 1.48 |
| 实验加载 /N | 4 900 |
), ArticleFig(id=1157001989507867078, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=表1, caption=
空气弹簧力学实验参数
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| 参数 | 数值 |
| 初始容积 /m3 | 0.000 79 |
| 有效承载面积 /m2 | 0.003 5 |
| 初始压力 /MPa | 1.48 |
| 实验加载 /N | 4 900 |
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| 参数 | 仿真 | 实验 | 相对误差 |
| 滞回曲线 面积/(N·mm) | 0.8 Hz | 10 mm | 12 930 | 13 913 | 7.6% |
| 12 mm | 21 022 | 21 534 | 2.4% |
| 1.0 Hz | 10 mm | 17 924 | 19 152 | 6.8% |
| 12 mm | 25 872 | 28 275 | 9.2% |
| 滞回曲线 刚度/(N·mm-1) | 0.8 Hz | 10 mm | 78.05 | 84.25 | 8.0% |
| 12 mm | 73.94 | 80.18 | 8.4% |
| 1.0 Hz | 10 mm | 86.87 | 96.74 | 7.6% |
| 12 mm | 72.72 | 73.48 | 1.1% |
), ArticleFig(id=1157001989667250634, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=表2, caption=
空气弹簧实验与仿真结果及相对误差
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| 参数 | 仿真 | 实验 | 相对误差 |
| 滞回曲线 面积/(N·mm) | 0.8 Hz | 10 mm | 12 930 | 13 913 | 7.6% |
| 12 mm | 21 022 | 21 534 | 2.4% |
| 1.0 Hz | 10 mm | 17 924 | 19 152 | 6.8% |
| 12 mm | 25 872 | 28 275 | 9.2% |
| 滞回曲线 刚度/(N·mm-1) | 0.8 Hz | 10 mm | 78.05 | 84.25 | 8.0% |
| 12 mm | 73.94 | 80.18 | 8.4% |
| 1.0 Hz | 10 mm | 86.87 | 96.74 | 7.6% |
| 12 mm | 72.72 | 73.48 | 1.1% |
), ArticleFig(id=1157001989746942412, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 簧上质量 /kg | 1 730 |
| 质心至前轴距离 /mm | 1 189 |
| 质心至后轴距离 /mm | 1 548 |
| 绕 轴转动惯量 /(kg·m2) | 700 |
| 绕 轴转动惯量 /(kg·m2) | 3 480 |
| 绕 轴转动惯量 /(kg·m2) | 3 710 |
| 前轮距 /mm | 1 644 |
| 后轮距 /mm | 1 635 |
| 质心高度 /mm | 704 |
| 车轮质量 /kg | 64.5 |
| 轮毂电机质量 /kg | 31.5 |
| 轮胎刚度 /(N·mm-1) | 218 900 |
| 减振器阻尼系数 /(N·s·m-1) | 1 200 |
), ArticleFig(id=1157001989822439886, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=表3, caption=
车辆参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| 簧上质量 /kg | 1 730 |
| 质心至前轴距离 /mm | 1 189 |
| 质心至后轴距离 /mm | 1 548 |
| 绕 轴转动惯量 /(kg·m2) | 700 |
| 绕 轴转动惯量 /(kg·m2) | 3 480 |
| 绕 轴转动惯量 /(kg·m2) | 3 710 |
| 前轮距 /mm | 1 644 |
| 后轮距 /mm | 1 635 |
| 质心高度 /mm | 704 |
| 车轮质量 /kg | 64.5 |
| 轮毂电机质量 /kg | 31.5 |
| 轮胎刚度 /(N·mm-1) | 218 900 |
| 减振器阻尼系数 /(N·s·m-1) | 1 200 |
), ArticleFig(id=1157001989902131667, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 车辆响应 | 侧倾角加速度 | 空气弹簧力 |
| 未考虑分数阶 | 考虑分 数阶 | 未考虑分数阶 | 考虑分数阶 |
| 60 km/h | RMS | 0.094 8 | 0.093 5 | 534.6 | 570.1 |
| max | 0.287 | 0.291 | 1 114 | 1 117 |
| min | -0.253 | -0.286 | -1 197 | -1 205 |
| 75 km/h | RMS | 0.137 2 | 0.129 6 | 604.7 | 641.9 |
| max | 0.357 | 0.379 | 1 289 | 1 294 |
| min | -0.380 | -0.410 | -1 376 | -1 386 |
| 90 km/h | RMS | 0.189 | 0.177 | 685.0 | 752.1 |
| max | 0.416 | 0.432 | 1 416 | 1 460 |
| min | -0.561 | -0.573 | -1 701 | -1 716 |
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直线急减速工况分数阶模型对车辆响应的
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| 车辆响应 | 侧倾角加速度 | 空气弹簧力 |
| 未考虑分数阶 | 考虑分 数阶 | 未考虑分数阶 | 考虑分数阶 |
| 60 km/h | RMS | 0.094 8 | 0.093 5 | 534.6 | 570.1 |
| max | 0.287 | 0.291 | 1 114 | 1 117 |
| min | -0.253 | -0.286 | -1 197 | -1 205 |
| 75 km/h | RMS | 0.137 2 | 0.129 6 | 604.7 | 641.9 |
| max | 0.357 | 0.379 | 1 289 | 1 294 |
| min | -0.380 | -0.410 | -1 376 | -1 386 |
| 90 km/h | RMS | 0.189 | 0.177 | 685.0 | 752.1 |
| max | 0.416 | 0.432 | 1 416 | 1 460 |
| min | -0.561 | -0.573 | -1 701 | -1 716 |
), ArticleFig(id=1157001990086681049, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 车辆响应 | 俯仰角加速度 | 空气弹簧力 |
| 未考虑分数阶 | 分数阶 | 未考虑分数阶 | 分数阶 |
| 3 m/s2 | RMS | 0.162 | 0.149 | 410.2 | 452.6 |
| max | 1.033 | 1.035 | 645.2 | 670.1 |
| min | -0.563 | -0.560 | -1 318 | -1 319 |
| 2.5 m/s2 | RMS | 0.146 | 0.136 | 366.8 | 399.9 |
| max | 0.899 | 0.901 | 543.7 | 591.2 |
| min | -0.521 | -0.521 | -1 238 | -1 235 |
| 2 m/s2 | RMS | 0.116 | 0.108 | 281.7 | 309.1 |
| max | 0.689 | 0.690 | 385.6 | 391.3 |
| min | -0.440 | -0.443 | -1 025 | -1 042 |
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双移线转向工况分数阶模型对车辆响应的对比 (影响对比)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 车辆响应 | 俯仰角加速度 | 空气弹簧力 |
| 未考虑分数阶 | 分数阶 | 未考虑分数阶 | 分数阶 |
| 3 m/s2 | RMS | 0.162 | 0.149 | 410.2 | 452.6 |
| max | 1.033 | 1.035 | 645.2 | 670.1 |
| min | -0.563 | -0.560 | -1 318 | -1 319 |
| 2.5 m/s2 | RMS | 0.146 | 0.136 | 366.8 | 399.9 |
| max | 0.899 | 0.901 | 543.7 | 591.2 |
| min | -0.521 | -0.521 | -1 238 | -1 235 |
| 2 m/s2 | RMS | 0.116 | 0.108 | 281.7 | 309.1 |
| max | 0.689 | 0.690 | 385.6 | 391.3 |
| min | -0.440 | -0.443 | -1 025 | -1 042 |
), ArticleFig(id=1157001990237675998, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数类别 | 系统参数 |
| 系统控制输入 | 空气弹簧质量流量 |
| 系统可测输出 | 俯仰角加速度、侧倾角加速度、悬架动挠度、簧上质量加速度、簧下位移 |
| 不可测输出 | 轮胎动载荷 |
| 可测干扰 | 制动力矩、前轮转角 |
| 不可测干扰 | 路面激励 |
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MPC输入输出参数
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| 参数类别 | 系统参数 |
| 系统控制输入 | 空气弹簧质量流量 |
| 系统可测输出 | 俯仰角加速度、侧倾角加速度、悬架动挠度、簧上质量加速度、簧下位移 |
| 不可测输出 | 轮胎动载荷 |
| 可测干扰 | 制动力矩、前轮转角 |
| 不可测干扰 | 路面激励 |
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| 车辆响应 | 被动悬架 | PID控制 | MPC控制 |
| 前悬架动 挠度/mm | 未考虑 分数阶 | RMS | 7.8 | 6.8 | 7.3 |
| max | 9.6 | 8.6 | 0 |
| min | -28.3 | -25.3 | -15.7 |
| 考虑 分数阶 | RMS | 7.9 | 6.9 | 7.4 |
| max | 10.0 | 8.8 | 0 |
| min | -28.9 | -25.8 | -23.6 |
| 后悬架动 挠度/mm | 未考虑 分数阶 | RMS | 9.3 | 6.9 | 7.9 |
| max | 41.2 | 30.8 | 16.7 |
| min | -10.4 | -7.05 | 0 |
| 考虑 分数阶 | RMS | 9.7 | 7.2 | 9.2 |
| max | 44.1 | 33.0 | 19.2 |
| min | -11.5 | -8.2 | 0 |
| 俯仰角加 速度/(rad·s-2) | 未考虑 分数阶 | RMS | 0.135 | 0.114 5 | 0.082 97 |
| max | 0.903 7 | 0.903 6 | 0.903 9 |
| min | -0.521 9 | -0.464 5 | -0.453 4 |
| 考虑 分数阶 | RMS | 0.120 | 0.101 7 | 0.062 28 |
| max | 0.911 2 | 0.910 8 | 0.911 4 |
| min | -0.512 1 | -0.457 3 | -0.455 3 |
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急减速工况下分数阶模型对车辆响应的影响比较
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| 车辆响应 | 被动悬架 | PID控制 | MPC控制 |
| 前悬架动 挠度/mm | 未考虑 分数阶 | RMS | 7.8 | 6.8 | 7.3 |
| max | 9.6 | 8.6 | 0 |
| min | -28.3 | -25.3 | -15.7 |
| 考虑 分数阶 | RMS | 7.9 | 6.9 | 7.4 |
| max | 10.0 | 8.8 | 0 |
| min | -28.9 | -25.8 | -23.6 |
| 后悬架动 挠度/mm | 未考虑 分数阶 | RMS | 9.3 | 6.9 | 7.9 |
| max | 41.2 | 30.8 | 16.7 |
| min | -10.4 | -7.05 | 0 |
| 考虑 分数阶 | RMS | 9.7 | 7.2 | 9.2 |
| max | 44.1 | 33.0 | 19.2 |
| min | -11.5 | -8.2 | 0 |
| 俯仰角加 速度/(rad·s-2) | 未考虑 分数阶 | RMS | 0.135 | 0.114 5 | 0.082 97 |
| max | 0.903 7 | 0.903 6 | 0.903 9 |
| min | -0.521 9 | -0.464 5 | -0.453 4 |
| 考虑 分数阶 | RMS | 0.120 | 0.101 7 | 0.062 28 |
| max | 0.911 2 | 0.910 8 | 0.911 4 |
| min | -0.512 1 | -0.457 3 | -0.455 3 |
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| 车辆响应 | 被动 悬架 | PID控制 | MPC 控制 |
| 前左悬架动 挠度/mm | 未考虑 分数阶 | RMS | 14.0 | 10.9 | 7.8 |
| max | 42.7 | 31.7 | 17.3 | |
| min | -23.8 | -19.8 | -20.7 | |
| 考虑 分数阶 | RMS | 16.5 | 12.8 | 10.7 |
| max | 43.4 | 32.1 | 26.8 | |
| min | -24 | -19.9 | -30.5 | |
| 前右悬架动 挠度/mm | 未考虑 分数阶 | RMS | 14.5 | 11.2 | 10.5 |
| max | 40.9 | 30.5 | 26.8 | |
| min | -24.2 | -20.2 | -21.0 | |
| 考虑 分数阶 | RMS | 17.3 | 13.6 | 11.2 |
| max | 41.9 | 31.1 | 30.8 | |
| min | -24.6 | -20.5 | -24.8 | |
| 侧倾角加 速度/(rad·s-2) | 未考虑 分数阶 | RMS | 0.145 0 | 0.105 5 | 0.054 7 |
| max | 0.365 6 | 0.278 1 | 0.143 5 | |
| min | -0.377 5 | -0.239 6 | -0.144 1 | |
| 考虑分数阶 | RMS | 0.125 8 | 0.089 3 | 0.049 39 |
| max | 0.380 5 | 0.287 9 | 0.145 8 | |
| min | -0.414 8 | -0.254 6 | -0.141 1 | |
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双移线工况下分数阶模型对车辆响应的影响比较
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| 车辆响应 | 被动 悬架 | PID控制 | MPC 控制 |
| 前左悬架动 挠度/mm | 未考虑 分数阶 | RMS | 14.0 | 10.9 | 7.8 |
| max | 42.7 | 31.7 | 17.3 | |
| min | -23.8 | -19.8 | -20.7 | |
| 考虑 分数阶 | RMS | 16.5 | 12.8 | 10.7 |
| max | 43.4 | 32.1 | 26.8 | |
| min | -24 | -19.9 | -30.5 | |
| 前右悬架动 挠度/mm | 未考虑 分数阶 | RMS | 14.5 | 11.2 | 10.5 |
| max | 40.9 | 30.5 | 26.8 | |
| min | -24.2 | -20.2 | -21.0 | |
| 考虑 分数阶 | RMS | 17.3 | 13.6 | 11.2 |
| max | 41.9 | 31.1 | 30.8 | |
| min | -24.6 | -20.5 | -24.8 | |
| 侧倾角加 速度/(rad·s-2) | 未考虑 分数阶 | RMS | 0.145 0 | 0.105 5 | 0.054 7 |
| max | 0.365 6 | 0.278 1 | 0.143 5 | |
| min | -0.377 5 | -0.239 6 | -0.144 1 | |
| 考虑分数阶 | RMS | 0.125 8 | 0.089 3 | 0.049 39 |
| max | 0.380 5 | 0.287 9 | 0.145 8 | |
| min | -0.414 8 | -0.254 6 | -0.141 1 | |
), ArticleFig(id=1157001990619357675, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬架动挠度 | 急减速工况 | 双移线工况 |
| 控制前 | 控制后 | 控制前 | 控制后 |
| max/mm | 3 | 2 | 9 | 9 |
| min/mm | -10 | -10 | -6 | -5 |
| RMS/mm | 3.73 | 3.67 | 3.72 | 3.59 |
), ArticleFig(id=1157001990690660845, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1157001753150447865, language=CN, label=表9, caption=
整车ECAS实验车辆响应
, figureFileSmall=null, figureFileBig=null, tableContent=
| 悬架动挠度 | 急减速工况 | 双移线工况 |
| 控制前 | 控制后 | 控制前 | 控制后 |
| max/mm | 3 | 2 | 9 | 9 |
| min/mm | -10 | -10 | -6 | -5 |
| RMS/mm | 3.73 | 3.67 | 3.72 | 3.59 |
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