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Abaphandi baseMelika baphuhlisa iTekhnoloji entsha ye-Optoelectronic Haptic Display

Ngomhla wesi-8 kweyoMnga – Abaphandi abavela kwiYunivesithi yaseCalifornia, eSanta Barbara (UC Santa Barbara) babonakalise itekhnoloji entsha yokubonisa kwisifundo sakutshanje esipapashwe kwijenali iScience Robotics: imifanekiso eguquguqukayo eyibonisayo ayibonakali nje kuphela kodwa ikwabonakala ngokwasemzimbeni. Olu phononongo luzisa umphezulu we-haptic obhityileyo kakhulu we-optoelectronic ogqunywe zii-pixels ze-millimeter-scale; xa zikhanyiswe zii-pulses ezimfutshane zokukhanya okubonisiweyo, ezi pixels ziyadumba ukuze zenze amaqhuma achukumisayo anokuviwa ngokuchukumisa.

 

Le projekthi yaqala ngo-2021 ngenxa yombuzo olula owawubuzwa nguNjingalwazi uYon Visell wase-UC Santa Barbara: Ngaba ukukhanya okusetyenziselwa ukwenza imifanekiso nako kungavelisa impendulo yoomatshini enamandla ngokwaneleyo ukuba ibonwe zizandla zabantu? Emva konyaka wokwenza imodeli kunye nemizamo emininzi yokulinganisa engaphumelelanga, uMax Linnander, umphandi eyunivesithi, waphumelela ukuphuhlisa isixhobo sokuqala sobungqina bombono ekupheleni kuka-2022. Siqhutywa kuphela kukukhanya okuvela kwi-laser encinci ye-diode kwaye singenazo izinto ze-elektroniki ezifakiweyo, esi sixhobo sinokuvelisa ii-pulses ezibonakalayo nezibonakalayo xa zichukunyiswa.

 

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Kuyaqondakala ukuba uyilo olupheleleyo lokubonisa oluchazwe kolu phononongo lwakhiwe phezu kwale mpumelelo. Iphikseli nganye inefilimu yomphezulu obhityileyo, umngxuma womoya omncinci phantsi kwayo, kunye nefilimu yegrafiti exhonyiweyo. Xa ivezwa ekukhanyeni, ifilimu yegrafiti ifunxa amandla okukhanya kwaye iwaguqule ngokukhawuleza abe bubushushu, nto leyo ebangela ukuba umoya ongaphantsi kwefilimu wande kwaye utyhale umphezulu phezulu ukuya kuthi ga kwi-millimeter enye. Olu phawu lokuhamba lwanele ukuba abasebenzisi bakwazi ukufumana ngokuchanekileyo iiphikseli nganye ngeminwe yabo.

 

Ekubeni umqadi welaser ofanayo unika amandla kunye nedilesi ye-pixel, yonke iphaneli ayifuni zintambo zangaphakathi. Inkqubo yokuskena ekhawulezayo inokukhawuleza idlule kwi-pixel array, isebenze ii-pixel nganye nganye ukuvelisa ii-animations ezibonakalayo nezichukumisayo eziqhubekayo.

 

Iqela lophando ngoku liphumelele ukwenza uluhlu oluqulethe ii-pixels ezingaphezu kwe-1,500 ezinokubhekiselwa kuzo ngokuzimeleyo, impumelelo ebalulekileyo xa kuthelekiswa neziboniso zangaphambili ze-haptic ezazisokola ukulinganisela uxinano lwee-pixel, isantya sempendulo, kunye nobukhulu bokuhamba. Ixesha layo lokuphendula liqala kwi-2 ukuya kwi-100 milliseconds, elaneleyo ukuvelisa ii-contours ezigudileyo, iimilo, kunye neepateni zabalinganiswa. Kwiimvavanyo zomsebenzisi, abathathi-nxaxheba bakwazile ukulandelela ngokuchanekileyo izinto ezihambayo, ukwahlula ulwakhiwo lwendawo, kunye nokubona ulwazi lwexesha olwenziwe kukusebenza ngokulandelelana kwee-pixels.

 

Abaphandi baqaphela ukuba ngenxa yesicwangciso se-optical addressing, obu buchwephesha bubonelela ngokuguquguquka okugqwesileyo. Ii-array ezinkulu zinokuqhutywa zii-laser ze-compact scanning ezisetyenziswa kakhulu kwiiprojektha zanamhlanje. Bakwanombono woluhlu lwezicelo ezinokubakho, ezifana ne-automotive human-machine interfaces ezilinganisa ulawulo lwendalo, kunye nemibhalo ye-elektroniki okanye iidayagram ezitshintsha ngokuguquguqukayo phantsi kwesandla somfundi.

 

Nangona isesekwinqanaba leprototype, olu phononongo luphawula okokuqala amandla okukhanya eguqulwa ngokuthe ngqo abe yi-mechanical deformation enesisombululo esiphezulu. Iqela le-UC Santa Barbara liye lavula indlela entsha: ii-haptic displays zexesha elizayo ziya kusebenza njengee-visual displays zemveli, zibonise ulwazi kwifomathi enokuboniswa ngamehlo ngaxeshanye kwaye ihlolwe yiminwe.


Ixesha leposi: Disemba-10-2025