Mwepu nke obere moto kacha dị ike n'ụwa

Mwepu nke obere moto kacha dị ike n'ụwa

Piezoelectric ultrasonic Motors nwere uru abụọ dị ịrịba ama, ya bụ njupụta ike ha dị elu na usoro ha dị mfe, nke abụọ na-enye aka na miniaturization ha.Anyị ejirila stator nwere olu dị ihe dị ka otu milimita cubic wuru prototype micro ultrasonic moto.Nnwale anyị egosila na moto prototype na-ewepụta ihe karịrị 10 μNm nwere otu cubic millimeter stator.Moto akwụkwọ akụkọ ugbu a bụ moto micro ultrasonic kacha nta nke ejirila torque bara uru mepụta ya.

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A na-achọ micro actuators maka ọtụtụ ngwa, sitere na ekwentị mkpanaaka na ngwaọrụ wearable ruo ngwaọrụ ahụike na-akpasu obere nsogbu.Agbanyeghị, mmachi jikọtara ya na imepụta ha amachibidoro ibuga ha n'ọnụọgụ otu millimita.Igwe ọkụ eletrik na-ahụkarị na-achọ ka mbelata nke ọtụtụ ihe mgbagwoju anya dị ka coils, magnets, na bearings, na-egosipụta nhụsianya siri ike n'ihi ncha ahụ.Igwe ọkụ eletrik na-eme ka ọ dị mma site na iji teknụzụ microelectromechanical Systems (MEMS), mana ike ịnya ụgbọ ala ha na-adịghị ike egbochila mmepe ha.
A na-atụ anya na piezoelectric ultrasonic motors ga-abụ micromotors na-arụ ọrụ dị elu n'ihi njupụta ha dị elu na ihe ndị dị mfe.Moto ultrasonic kacha nta dị ugbu a kọrọ ruo taa nwere akụrụngwa ọla nwere dayameta nke 0.25 mm yana ogologo 1 mm.Agbanyeghị, ngụkọta nha ya, gụnyere usoro mbubata, ruru 2-3 mm, uru iyi ya pere mpe (47 nNm) maka iji dị ka onye na-eme ihe n'ọtụtụ ngwa.
Tomoaki Mashimo, onye nyocha na Mahadum Teknụzụ Toyohashi, anọwo na-emepụta moto micro ultrasonic nke nwere stator cubic millimeters, dị ka e gosiri na Fig. 1, ma ọ bụkwa otu n'ime moto ultrasonic kacha nta arụtụrụla.The stator, nke mejupụtara cube dara nwere oghere site na oghere na efere-piezoelectric ọcha na-arapara n'akụkụ ya, enwere ike ịgbada ya na-achọghị usoro nhazi ma ọ bụ mgbakọ pụrụ iche.Igwe ihe nleba anya micro ultrasonic moto nwetara ikike bara uru nke 10 μNm (Ọ bụrụ na pulley nwere radius nke 1 mm, moto ahụ nwere ike ibuli ibu 1-g) yana ọsọ angular nke 3000 rpm na ihe dịka 70 Vp-p.Uru torque a dị okpukpu 200 karịa nke micro Motors dị ugbu a, ọ dịkwa ezigbo uru maka ịtụgharị obere ihe dị ka obere sensọ na akụkụ igwe.


Oge nzipu: Feb-27-2018