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He moʻolelo lōʻihi ka mīkini uila DC brushed, ʻoi aku ma mua o 100 mau makahiki.

Aia ma kahi o 40 mau makahiki ka mōʻaukala o ka mīkini uila DC brushless.

ʻO ka motika DC palaki ʻia: ʻO ka motika DC brushed he mīkini kaʻa kaʻa kaʻa me kahi mea palaki e hoʻohuli i ka ikehu uila i ka ikehu mechanical (motor) a i ʻole ka ikehu mechanical i ka ikehu uila (generator). ʻO ia ke kumu o nā kaʻa a pau, loaʻa iā ia nā hiʻohiʻona o ka hoʻomaka wikiwiki, ka hoʻopaʻa ʻana i ka manawa, ka hoʻoponopono wikiwiki ʻana i kahi ākea nui, ʻoi aku ka maʻalahi o ke kaʻapuni a pēlā aku.

ʻO ke kaʻa uila DC ʻole: brushless DC motor mea he maʻamau mechatronics huahana, i haku 'ia e ka kaʻa kino a me ka mea hoʻokele. No ka mea, ua hoʻohana 'ia ka brushless dc mīkini ma ka 'akomi mana mana, 'aʻole ia e hoʻohui hou hoʻomaka windings ma ka rotor e like me ka synchronous kaʻa hoʻomaka e ka ukana kaumaha. Ma lalo o ka hoʻoponopono ʻana i ka wikiwiki, ʻaʻole ia e hoʻopuka i ka oscillation a ma waho o ka ʻanuʻu i ka wā e loli koke ai ka ukana. Medium a me ka hiki liʻiliʻi brushless dc motor mau loa, i kēia manawa ka nui o ka hoʻohana ʻana i ka ikehu kiʻekiʻe o ka honua ndfeb (nd-fe-b) mea. No laila, ʻoi aku ka liʻiliʻi o ka nui o ka mīkini paʻa paʻa paʻa honua ʻole ma mua o ka nui o ka mīkini asynchronous ʻekolu manawa.