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Multi-axis synchronous motion control of robots zochokera EtherCAT

Ndi chitukuko cha makina opanga mafakitale, maloboti akugwiritsidwa ntchito kwambiri pamizere yopanga. Kuti mukwaniritse kuwongolera koyenera komanso kolondola, ma loboti amitundu yambiri amayenera kukwaniritsa ntchito yofananira, yomwe imatha kuwongolera kulondola komanso kukhazikika kwa maloboti ndikukwaniritsa magwiridwe antchito opangira bwino. Panthawi imodzimodziyo, imaperekanso maziko a ntchito yothandizana komanso kulamulira kogwirizana kwa ma robot, kotero kuti ma robot angapo amatha kugwirizanitsa kayendetsedwe ka nthawi imodzi kuti akwaniritse ntchito zovuta kwambiri. The real-time deterministic Ethernet protocol yochokera ku EtherCAT imatipatsa njira yotheka.

 

EtherCAT ndi njira yolumikizirana yapanthawi yayitali ya Ethernet yomwe imathandizira kutumizirana mwachangu kwa data ndi ntchito yolumikizana pakati pa ma node angapo. Mu Mipikisano olamulira zoyenda dongosolo la maloboti, ndi protocol EtherCAT angagwiritsidwe ntchito kuzindikira kufala kwa malamulo ndi mfundo mfundo pakati pa mfundo ulamuliro ndi kuonetsetsa kuti synchronized ndi wotchi wamba, potero kuwapangitsa Mipikisano olamulira kayendedwe dongosolo kukwaniritsa synchronous ntchito. Kulunzanitsa uku kuli ndi mbali ziwiri. Choyamba, kutumiza kwa malamulo ndi mafotokozedwe pakati pa node iliyonse kuyenera kulumikizidwa ndi wotchi wamba; chachiwiri, kuchitidwa kwa ma aligorivimu owongolera ndi ntchito zoyankha ziyeneranso kulumikizidwa ndi wotchi yomweyo. Njira yoyamba yolunzanitsa yamveka bwino ndipo yakhala gawo lachilengedwe la oyang'anira maukonde. Komabe, njira yachiwiri yolumikizirana idanyalanyazidwa m'mbuyomu ndipo tsopano imakhala yopingasa pakuwongolera kayendetsedwe kake.

Mwachindunji, loboti ya EtherCAT yochokera ku ma loboti amitundu yambiri yolumikizana ndi njira yowongolera yoyenda imaphatikizapo mbali ziwiri zofunika kwambiri za kulunzanitsa: kulumikizidwa kwa malamulo ndi zikhalidwe zofotokozera, komanso kulumikizana kwa ma algorithms owongolera ndi ntchito zoyankha.
Pankhani ya kaphatikizidwe ka kuphatikizika kwa malamulo ndi mafotokozedwe, ma node owongolera amatumiza malamulo ndi zikhalidwe zamawu kudzera pa netiweki ya EtherCAT. Malamulo awa ndi mafotokozedwe amafunikira kulumikizidwa motsogozedwa ndi wotchi wamba kuwonetsetsa kuti node iliyonse imachita kuwongolera nthawi yomweyo. Protocol ya EtherCAT imapereka njira yotumizira mwachangu komanso yolumikizira deta kuti iwonetsetse kuti kutumiza kwa malamulo ndi zikhalidwe zolozera ndizolondola kwambiri komanso zenizeni.
Pa nthawi yomweyo, ponena za kaphatikizidwe kaphatikizidwe ka ma aligorivimu owongolera ndi ntchito zoyankha, node iliyonse yowongolera iyenera kuchita zowongolera ndi ntchito yoyankha molingana ndi wotchi yomweyo. Izi zimatsimikizira kuti node iliyonse imagwira ntchito nthawi yomweyo, potero kuzindikira kuwongolera kolumikizana kwamayendedwe amitundu yambiri. Kuyanjanitsa uku kumayenera kuthandizidwa pazigawo za hardware ndi mapulogalamu kuti zitsimikizire kuti machitidwe olamulira ndi olondola kwambiri komanso nthawi yeniyeni.

Mwachidule, ndi EtherCAT ofotokoza loboti Mipikisano olamulira synchronous zoyenda njira amazindikira kufala kalunzanitsidwe wa malamulo ndi mfundo mfundo ndi kaphatikizidwe kaphatikizidwe ka aligorivimu ulamuliro ndi ntchito ndemanga kudzera thandizo la zenizeni nthawi deterministic Efaneti protocol. Njirayi imapereka njira yodalirika yoyendetsera ma roboti amitundu yambiri ndipo imabweretsa mwayi watsopano ndi zovuta pakupanga makina opanga mafakitale.

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Nthawi yotumiza: Feb-20-2025