Ho latela litlaleho, Nissan e lokiselitse tharollo e bobebe ea acoustic bakeng sa mofuta oa eona oa 2022.

Baenjineri ba li-acoustic ba na le lisebelisoa tse fapaneng tseo ba ka khethang ho tsona ho fokotsa lerata, ho thothomela le ho ba thata (NVH) likoloing. Leha ho le joalo, khetho ea bona hangata e tlisa quantifiable drawback-keketseho boima. Nakong ea ts'ebetso ea nts'etsopele, koloi e ncha e ka eketsa habonolo lik'hilograma tse 100 kapa ho feta ka lebaka la tšebeliso ea li-shock absorbers, litšitiso tse bonahatsang maikutlo le tse thibelang molumo, tse kang li-overlays, foam e kentsoeng, le likhalase tse thibelang molumo.

Nakong ea ho hatisoa ha boima bo bobebe, bafuputsi ba lisebelisoa ba lebeletse tsoelo-pele e ncha e le hore ba hlōle ntoa ea boima ba NVH. Lintho tse bitsoang metamatadium li fana ka menyetla e metle ka lebaka la litšenyehelo tsa tsona tse tlase ha li bapisoa le litharollo tsa setso tsa NVH.

Metaterial medium ke thepa ea maiketsetso e entsoeng ka macroscopic e nang le sebopeho sa khekhe ea linotši ea mahlakore a mararo. Ka lebaka la tšebelisano ea lehae lipakeng tsa likarolo tsa yuniti, e ka fana ka ts'ebetso e ntle haholo ea ho hatella kapa ho tsamaisa maqhubu a molumo a sa batleheng.

Ho tloha ka 2008, Nissan e ntse e etsa lipatlisiso tse ngata tsa metamataria. Lenaneong la 2020 Consumer Electronics Show, Nissan e bontšitse metamaterial ena ka lekhetlo la pele mme e re e tla sebelisa thepa ena ho fokotsa NVH koloing e ncha ea motlakase ea Ariya ea 2022.

Susumu Miura, moenjineri ea phahameng oa thepa ea Nissan, o boletse hore phello ea ho koala molumo oa metamaterial ena e ka fihla makhetlo a mane ho feta tharollo ea setso. Joalo ka sebopeho se bonolo sa marang-rang se phuthetsoe ka filimi ea polasetiki, thepa ena e ka fokotsa lerata le leholo la 500-1200Hz, leo hangata le tsoang tseleng kapa tsamaisong ea phetisetso. Video ena e bontša hore metamaterial ena e ka fokotsa lerata le ka morao ho cockpit ho tloha 70dB ho ea tlase ho 60dB. Khampani e bolela hore ha e bapisoa le mananeo a ho fokotsa NVH a teng, theko ea thepa ena e tlaase, kapa bonyane e lekana le. Nissan ha e so senole mofani oa eona oa metamatadium.

E hatisitsoe hape ho sechaba sa Gasgoo