Kuwululidwa kwa ma micro motors ang'onoang'ono komanso amphamvu kwambiri padziko lapansi

Piezoelectric ultrasonic motors ali ndi maubwino awiri ofunikira, omwe ndi kachulukidwe kawo kamphamvu komanso mawonekedwe ake osavuta, omwe onse amathandizira kuti achepetse pang'ono.Tamanga chitsanzo yaying'ono akupanga galimoto ntchito stator ndi buku la pafupifupi kiyubiki millimeter.Zoyesera zathu zawonetsa kuti injini ya prototype imapanga makokedwe opitilira 10 μNm ndi stator imodzi ya cubic millimeter.Galimoto yatsopanoyi tsopano ndi injini yaying'ono kwambiri yopangidwa ndi torque yothandiza.

Ma Micro actuators amafunikira pamapulogalamu angapo, kuyambira pazida zam'manja ndi zovala kupita ku zida zachipatala zomwe sizimasokoneza pang'ono.Komabe, zoperewera zomwe zimagwirizanitsidwa ndi kupanga kwawo zalepheretsa kutumizidwa kwawo pamlingo wa millimeter imodzi.Ma motors odziwika bwino a electromagnetic amafunikira miniaturization yazinthu zambiri zovuta monga ma coil, maginito, ndi ma mayendedwe, ndikuwonetsa kutayika kwa torque chifukwa chakukulitsa.Ma motors a Electrostatic amathandizira scalability kwambiri pogwiritsa ntchito ukadaulo wa microelectromechanical system (MEMS), koma mphamvu yawo yofooka yalephereka kukula kwawo.
Piezoelectric ultrasonic motors akuyembekezeka kukhala ma micromotor apamwamba kwambiri chifukwa cha kuchuluka kwawo kwa torque komanso zigawo zosavuta.Zing'onozing'ono zomwe zilipo akupanga galimoto inanena kuti lero ali ndi zitsulo chigawo chimodzi ndi awiri a 0,25 mm ndi kutalika 1 mm.Komabe, kukula kwake konse, kuphatikiza makina ojambulira, ndi 2-3 mm, ndipo mtengo wake wa torque ndi wocheperako (47 nNm) kuti ugwiritsidwe ntchito ngati actuator pamapulogalamu ambiri.
Tomoaki Mashimo, wofufuza ku Toyohashi University of Technology, wakhala akupanga injini ya micro ultrasonic yokhala ndi cubic millimeter stator, monga momwe tawonetsera mkuyu 1, ndipo ndi imodzi mwa makina ang'onoang'ono omwe akupangapo.Stator, yomwe imakhala ndi cube yachitsulo yokhala ndi dzenje ndi mbale-piezoelectric zotsatiridwa kumbali zake, zimatha kuchepetsedwa popanda kugwiritsa ntchito makina apadera kapena njira zophatikizira.The prototype yaying'ono akupanga galimoto akwaniritsa makokedwe othandiza 10 μNm (Ngati pulley ali utali wozungulira 1 mm, galimoto akhoza kukweza 1-g kulemera) ndi angular liwiro la 3000 rpm pafupifupi 70 Vp-p.Mtengo wa torque uwu ndi wokulirapo kuwirikiza ka 200 kuposa ma mota ang'onoang'ono omwe alipo, ndipo ndiwothandiza kwambiri potembenuza zinthu zazing'ono monga masensa ang'onoang'ono ndi zida zamakina.