2024.3,4(2)|智能交通与数字化基于磁流变阻尼器高速列车半主动座椅悬架控制方法对比研究郭力荣1,李国顺1,陈璨1,张义超1,张红卫1,宫岛2(1.中国铁道科学研究院集团有限公司机车车辆研究所,北京,100081;2.同济大学铁道与城市轨道交通研究院,上海201804)摘要:在建立了高速列车“座椅⁃车体⁃构架”三自由度模型系统基础,分别提出了基于磁流变阻尼器的MPC控制、天棚阻尼控制、模糊控制半主动控制策略,并进行仿真分析。研究结果表明:与被动控制相比,施加半主动控制后的座椅振动加速度均方根值均有所减小,其中采用天棚控制、模糊控制和MPC控制的座椅加速度均方根值分别减少了25.37%,17.67%和16.38%;从频域角度而言,三种控制方法都能降低座椅5Hz频带内的振动幅值;虽然天棚阻尼控制对座椅5Hz频带内的幅值降低最大,但同时会造成座椅5Hz以上的振动幅值增加,而MPC和模糊控制方法对座椅5Hz以上的振动幅值没有明显影响。关键词:座椅悬架;半主动控制;MPC控制;天棚阻尼控制;模糊控制Researchonsemi‑activeseatsuspensioncontrolofhigh‑speedtrainsbasedonmagnetorheologicaldampersGUOLirong1,LIGuoshun1,CHENCan1,ZHANGYichao1,ZHANGHongwei1,GONGDao2(1.Locomotive&CarResearchInstitute,CARS,Beijing100081,China;2.InstituteofRailwayandUrbanRailTransit,TongjiUniversity,Shanghai201804,China)Abstract:Inthispaper,basedonthethree-degree-of-freedommodelsystemof"seat-body-frame"ofhigh-speedtrain,semi-activecontrolstrategiesbasedonmagnetorheologicaldampersareproposedre⁃spectively,simulatedandanalyzed,suchasMPCcontrol,canopydampingcontrolandfuzzycontrol.Theresultsshowthatcomparedwiththepassivecontrol,therootmeansquare(RMS)valuesoftheseatvibrationaccelerationarereducedbyusingthesemi-activecontrol,inwhichtheRMSvaluesoftheseataccelerationarereducedby16.38%,25.37%,and17.67%withtheMPCcontrol,canopycontrol,andfuzzycontrol,respectively.Fromtheperspectiveofthefrequencydomain,thethreecon⁃trolmethodsareabletoreducethevibrationamplitudeoftheseatinthe5Hzfrequencyband.Al⁃thoughthecanopydampingcontrolreducestheamplitudeoftheseatinthe5Hzfrequencybandthemost,butatthesametimeitcausesthevibrationamplitudeoftheseatabove5Hztoincrease,wh...