I ahu mai te kupu "servo" i te kupu Kariki ko tōna tikanga he "pononga". Ka taea te mārama ki te "mōta servo" he mōta e tino whakarongo ana ki te whakahau a te tohu whakahaere: i mua i te tukunga o te tohu whakahaere, ka noho tonu te rotor; ina tukuna te tohu whakahaere, ka tīmata tonu te hurihuri o te rotor; ina ngaro te tohu whakahaere, ka mutu tonu te hurihuri o te rotor. Ko te mōta servo he mōta iti e whakamahia ana hei whakaoho i roto i ngā taputapu whakahaere aunoa. Ko tana mahi he huri i ngā tohu hiko ki te nekehanga koki, ki te tere koki rānei o te pou hurihuri. E mōhiotia ana hoki te mōta servo he mōta whakaoho, ā, e whakamahia ana hei whakaoho i roto i ngā pūnaha whakahaere aunoa hei huri i ngā tohu hiko kua riro mai ki te putanga nekehanga koki, tere koki rānei i runga i te pou motuka.
E rua ngā momo matua o ngā motuka servo: te servo AC me te servo DC.
He rite te hanganga taketake o te motuka servo AC ki te motuka whakaawe AC (motopaika kore-tukutahi). E rua ngā takai whakaoho, ko Wf me ngā takai whakahaere ko Wc i runga i te stator, e nekehia ana i te wāhi e ngā koki hiko 90°. Ka honoa ēnei ki te ngaohiko AC pumau. Mā te whakarerekē i te ngaohiko AC, i te wāhanga rānei e pā ana ki a Wc, ka taea te whakahaere i te mahi a te motuka. Ko ngā āhuatanga o ngā motuka servo AC he mahi pumau, he pai te whakahaere, he tere te urupare, he teitei te aro, me ngā tohu kore-raina pakari mō ngā āhuatanga miihini me te whakahaere (e hiahia ana kia iti iho i te 10% ki te 15% me te iti iho i te 15% ki te 25% ia).
He rite te hanganga taketake o te motuka servo DC ki tērā o te motuka DC whānui. Ko te tere o te motuka n = E / K1j = (Ua – IaRa) / K1j, ko E te kaha hiko whakamuri o te anga, ko K te pūmau, ko j te rerenga mō ia pou, ko Ua me Ia te ngaohiko me te ia o te anga, ā, ko Ra te ātete o te anga. Mā te whakarerekē i te Ua, i te φ rānei, ka taea te whakahaere i te tere o te motuka servo DC. Heoi, ko te tikanga noa ko te whakahaere i te ngaohiko o te anga. I roto i ngā motuka servo DC aukume tuturu, ka whakakapia te takai whakaoho ki ngā aukume tuturu, ā, he pūmau te rerenga φ. He pai ngā āhuatanga whakahaere raina o ngā motuka servo DC me te tere o te urupare wā.
Wā tuku: Oketopa-17-2025