多轴振动对坐姿人体视在质量的影响研究

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中图分类号：U461.4;TP393 文献标志码：A DOI：10.16385/j.cnki.issn.1004-4523.202508085

Abstract：Stdyingtheapparentmassoftheseatedhumanbodyexposedtomulti-axisvibratioisimportantinuidingvibrationduction designsofagrilturalnddustrialmachneryHowever，eetoffreuecyrectiondmagdeofuliaisatite apparent massisnotwellunderstoodIntisstudytheapprentmassesof13subjectsexposedtostiuliwithvriouscombinatisof vibration in fore-aft （x），lateral （y），vertical （z） ，and pitch （p） directions were measured，and the contribution of vibration in each direction to biodynamic response was quantified.The results showed that the resonance frequencies of apparent mass in x y ，and z directions at the seat panwithmulti-axisvibrationexcitationdieredsignificantlyfromthose withsingle-axisvibrationexcitation.Withtri-axial ，and z and four-axis ，and p ）vibration，the forces in x ， y ，and z directions at the seat pan were dominated by the in-line vibration， respectively.Fopredictingthesonancefrequenisofteapparetmass withulti-axisvibrationexcitation，temetodofalulatingthe magnitudeofu-aisvbatonwithweigtingfactorsforvibrationineachdireconasapld，andaoptialcombiationofeightings thatmakesthemagniudeofulti-axisvibationhaveahigercoelatiowiththeesonancefrequencyofapparentassasobaidbyte optimization algorithm.

Keywords：multi-axis vibration;seated human body; biodynamics;vibration comfort

在汽车、火车、飞机、轮船等交通工具的行驶过程中，人体通常会受到多轴向振动的影响，包括纵向、横向、垂向的直线轴振动，以及侧倾、俯仰、偏航的角振动。（剩余11169字）