第45卷第1期2023年1月铁道学报JOUＲNALOFTHECHINAＲAILWAYSOCIETYVol．45No．1January2023文章编号:1001-8360(2023)01-0028-07列车端部吸能装置稳态阻抗力优化设计吕天一，肖守讷，朱涛，张敬科(西南交通大学牵引动力国家重点实验室，四川成都610031)摘要:为了对列车端部吸能装置的稳态阻抗力进行优化，对列车纵向碰撞模型加以改进，以此为基础，研究吸能装置实际吸能量与其稳态阻抗力的关系。发现吸能量随着阻抗力增大呈现先增大后减小的趋势，且吸能装置在碰撞结束时恰好用尽全行程的情况下其实际吸能量达到最大值。为了确定此时的阻抗力，通过动力学分析推导其理论最优阻抗力。以某列车在不同场景下对撞为例，计算发现各场景下吸能装置采用理论最优解时的吸能量均为各自对照组中的最大值，并对数值设计的可靠性进行验证。关键词:碰撞能量管理;吸能装置;列车碰撞动力学中图分类号:U270.2文献标志码:Adoi:10.3969/j．issn．1001-8360.2023.01.004OptimalDesignofSteady-stateImpedanceForceofTrainEndEnergyAbsorbingDeviceLÜTianyi，XIAOShoune，ZHUTao，ZHANGJingke(StateKeyLaboratoryofTractionPower，SouthwestJiaotongUniversity，Chengdu610031，China)Abstract:Inordertooptimizethesteady-stateimpedanceforceoftheenergyabsorptiondeviceattheendofatrain，thelongitudinalcollisionmodelofthetrainwasimproved，basedonwhich，therelationshipbetweentheactualenergyab-sorptionandthesteady-stateimpedanceforceoftheenergyabsorptiondevicewasstudied．Itisfoundthattheenergyab-sorptionfirstincreasesbeforedecreasingwiththeincreaseoftheimpedanceforce．Attheendofthecollision，theactualenergyabsorptionreachesthemaximumwhentheenergyabsorptiondevicejustusesupthefullstroke．Inordertodeter-minetheimpedanceforceatthistime，thetheoreticaloptimalimpedanceforcewasdeducedthroughdynamicanalysis．Finally，basedonthecaseofthecollisionofatrainindifferentscenarios，itisfoundthattheenergyabsorptionoftheenergyabsorptiondeviceineachscenarioisthemaximumintherespectivecontrolgroupwhenusingthetheoreticalopti-malsolution，whichverifiesthereliabilityofthenumericaldesign．Keywords:collisionenergymanagement(CEM);energyabsorber;traincollisiondynamics收稿日期:2021-05-24;修回日期:2022-08-07基金...
