Optical 3D Deformation Measurement Utilizing Non-Planar Surface for Development of "Intelligent Tire"(Solid Mechanics Indispensable for Automobile Engineering)
インテリジェントタイヤ実用化のための表面形状を利用した三次元変形計測(<小特集>自動車技術を支える材料力学)

Naoki HIRAOKA, Ryosuke MATSUZAKI, Akira TODOROKI, Yoshiro MIZUTANI
2009 TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A  
Int . elIigent [ ires, also known as smart tires , are equipPed with sensors to monit 〔 〕r the sL/ rain 【 コf lhe interiQr surface an 〔 l the ro ! ling radi し ls 〔 )ftire 、 and :rL ' cxpccted to itnprove the reliubili し y of tires an 〔 l tire coi ' itrol s ンstems such as a 飢 i − lock bra 三 ⊆illg syg. tenユs ( ABS ) . However , the high stiffness 〔, f 跚 attached sens 〔, r like a strairl gauge causes debぐ,nding of sensors fl ' em tire rul 〕ber . In the present study , a novel opLical meth 〔 〕d is
more » ... ical meth 〔 〕d is ut e 〔 I for the c { ,ncurren し rn 〔 〕 ni / oring of [ n − 1 ⊃lane struin alld o し lt − of − plane di 昌placemenl ( rolling radius ) uti ユizing the ] 1 し m − planar surface of the monitoring oblect . F ⊥ ' he optica 】inethod ellables n 〔 } 11contact Inc / asurelnen し 〔 } f stra . in{1istr [ bu τ 萋 on . ' i ' he in − pla且 1e st, rain alld 〔 川 t of − plane di. gplacenlent . are calculated by using ilnage pr 〔 }cesslng with an image of theinteriorsurface of tire that is taken with u s [ ngle CCD camera fixed ⊂ m a wheel rim . TMs new mol /itoriJlg system is app ] ied to a 冂 aluminLln beam a . ncl u cerninercially avai 工 able rad 正 al t〒 re . As a result , the m 〔mitoring system provides concurrcrrt meastlrement uf lll plane strain , out 一 り f − plane displacement and tire pressure , and is shown tu be cffective as the lnolli 仁 oring system fQr the inieltigent tires.
doi:10.1299/kikaia.75.1269 fatcat:uak23x7srjfxlddcoqby4nocp4