Daidaicin Daidaita Bugun Samarwa: Yadda Tsarin Kula da Drive na ABB Ke Inganta Aikin Layin Tara-Tara na Zamani
Gaskiyar Farashi na Rashin Daidaiton Bugun Samarwa a Masanakun Smart
Samar da kayayyaki na zamani (modern discrete manufacturing) yana dogara ne da layukan tara-tara da aka daidaita su ƙwarai. Ko ƙaramin karkacewar bugun samarwa (beat) na iya haifar da jinkiri mai taruwa a dukkan tashoshi. Binciken masana’antu ya tabbatar da cewa kashi 68% na lokacin tsayuwar aiki yana samo asali ne daga kurakuran daidaita sauri. Tsofaffin variable frequency drive da PLC na asali ba sa iya daidaitawa cikin sauri a lokaci guda. Suna dogaro da saitattun saurin da aka riga aka kafa, suna watsi da sauye-sauyen nauyi na ainihin aiki. Wannan ƙuntatawa tana hana a inganta yawan amfanin sarrafa kaya a samarwa mai manyan ƙididdiga. Saboda haka, tsarin kula da drive na ƙwararru ya zama wajibi don ingantacciyar aiki ta atomatik.
Yadda Direct Torque Control na ABB Ke Sake Fayyace Daidaiton Drive
ABB na sanya manyan drive ɗinta da fasahar Direct Torque Control (DTC) ƙarni na huɗu. Wannan fasaha mai lasisin ƙirƙira tana zarce hanyoyin vector control na gargajiya ƙwarai. Yana sabunta bayanin torque da yanayin flux na mota sau 10,000 a kowace daƙiƙa. Zagayen samfur na microsecond 25 yana ba da martani a ƙasa da millisecond guda. DTC yana fitar da kashi 100% na torque da aka ƙayyade a sifili sauri ba tare da taimakon encoder ba. Daidaiton sarrafa saurin tsaye ya kai 0.01%, wanda ya ninka ka’idojin masana’antu na yau da kullum. Bugu da ƙari, wannan ƙirar da ba ta buƙatar encoder tana rage kuɗin na’urorin firikwensin a wurin aiki da kusan kashi 30% a yawancin ayyukan layin tara-tara. Haka kuma tana rage yawan gazawar kayan aiki na dogon lokaci da kusan kashi 18% a cikin shekaru biyar.
Daidaitaccen Kewaye (Closed-Loop) Tsakanin PLC da Tsarin Drive na ABB
Sarrafa bugun samarwa a masana’antu yana buƙatar cikakkiyar haɗin kai tsakanin na’urori da dama. Babban PLC yana tattarawa bayanan samarwa na ainihi daga dukkan tashoshi. Yana aika siginar karkacewar bugun samarwa nan take zuwa ga masu sarrafa drive na ABB. Algoridim ɗin DTC yana gyara sigogin torque da saurin mota da kansa. Yana daidaita bambancin nauyi tsakanin na’urorin jigilar kaya na sama da na ƙasa yadda ya kamata. Bugu da ƙari, drive ɗin ABB na goyon bayan daidaitaccen tsarin lissafi (logic) tare da manyan dandalan DCS na Siemens, Honeywell, da Emerson. Sakamakon haka, dukan layin yana ci gaba da aiki cikin daidaitaccen lokaci a matakin millisecond. Babu jinkirin bugu ko cinkoson tasha yayin samarwa ba kakkautawa.
Matsalolin Masana’antu Masu A Auna da ABB Precision Control Ke Magancewa
Layukan tara-tara na gargajiya sau da yawa suna fama da rawar jiki a ƙarancin sauri da sauyen nauyi (load drift). Yawan sauyin sauri yana jawo lahani ga kaya da aka kammala da kashi 8–15% a shekara. Tsayuwar layi ba tare da an tsara ba na rage ingancin aiki na gaba ɗaya (OEE) da sama da kashi 10%. Amma tsarin drive na ABB yana ba da damar sauyawar sauri cikin santsi ba tare da matakai ba (stepless). Kayan iyakance torque da aka gina a ciki suna hana yawan nauyin mota da bugun injiniya. Bayanai daga masana’antar kera motoci sun tabbatar da raguwa da kashi 22% a lalacewar sassan injiniya a shekara. Tsarin kuma yana kawar da rufe layi cikin rashin kyau da ake samu saboda rashin daidaiton bugun samarwa, yana ƙara matsakaicin lokacin aiki tsakanin gazawa (MTBF) da kashi 31%.
Ka’idojin Masana’antu da Goyon Bayan Duniya ga Fasahar ABB DTC
Fasahar DTC ta ABB tana da lasisin ƙirƙira na duniya a fannin atomatik na masana’antu. Tana cika ka’idojin kera kaya na ISO 9001 da ƙa’idodin sarrafa IEC 61800 gaba ɗaya. DTC ƙarni na huɗu ta shafe shekaru 30 tana fuskantar gwaji a ainihin masana’antu ba tare da katsewa ba. Tana tallafawa sarrafa kai tsaye ga motoci na maganadisu na dindindin da na reluctance. Bugu da ƙari, drive ɗin ABB na haɗuwa cikin sauƙi da tsarin PLC na Siemens, Mitsubishi, da Rockwell. Suna daidaita da tsarin sarrafa matakai (hierarchical control architectures) a kowace masana’antar smart. Wannan ƙarfaffiyar jituwa tana inganta ƙarfin fadada tsarin atomatik ga masana’antun da ke shirin manyan faɗaɗa a gaba.
Makomar Sarrafa Bugun Samarwa a Layukan Tara-Tara Masu Hankali
Smart manufacturing na matsawa ne daga saurin da aka kafa kawai zuwa sarrafa bugun samarwa mai daidaituwa (adaptive beat control). Saitin sauri da hannu ba ya sake tallafawa yanayin samarwa mai sassauci. Makomar aikin atomatik za ta haɗa sa idon ainihi (real-time monitoring) da daidaita sigogi ta AI. Tsarin drive na ABB tuni suna ɗauke da muhallan sabunta algoridim na hankali. Bisa shekaru 15 na gogewar filin aiki, daidaitaccen sarrafa bugun samarwa ya zama babban ma’aunin balagar tsarin atomatik na masana’anta. Kamfanonin da ke amfani da manyan drive masu daidaito suna samun riba mai yawa da kashi 15–20%. Fara haɓakawa da wuri zuwa ci gaban tsarin drive na zamani yana haifar da fa’ida ta gasa mai ɗorewa a kasuwannin da ke ta canzawa.
Aikace-aikacen da Aka Gwada a Filin Aiki tare da Bayanai Masu A Auna
Misali 1 – Layin Tara-Tarar Sassan Motoci tare da ACS880 Drives: Wani kamfanin cikin gida na sassan motoci ya haɓaka layin tara-tararsa mai tashoshi 12. Aikin ya girka tsarin ABB ACS880 universal industrial drives. Maganin ya cimma cikakken daidaiton bugun tashoshi ta hanyar ɗaure siginar PLC. Ya magance tsohuwar matsalar rashin daidaiton sauri tsakanin tashoshi. Bayan haɓakawar, kuskuren bugun layin ya daidaita a cikin ±0.02%. Ingancin samarwa ya ƙaru da 18.5%, kuma adadin lahani ya ragu da 42%. Kuɗin gyara da asara na shekara-shekara ya ragu da $28,000. Bugu da ƙari, amfani da makamashi a kowace guda ya ragu da 11% saboda ingantaccen sarrafa torque.
Misali 2 – Layin Cika da Sauri tare da ACS355 Drives: Wani babban kamfanin kayayyakin kula da jiki na yau da kullum yana fama da yawan makale kwalabe da warwatsewar kaya. Rashin daidaiton sauri tsakanin tashar cikawa da tashar rufewa (capping) yana takaita fitarwa. Kamfanin ya girka ABB ACS355 micro drives don sarrafa bugun samarwa ta sassa. Fasahar DTC ta tabbatar da kwanciyar hankali a ƙarancin sauri na 0.5 Hz ba tare da rawar jiki ba. Adadin ci gaba da aiki na layin cikawa ya tashi daga 87% zuwa 99.2%. Yawan iya samarwa a vardiya guda ya ƙaru da 14% ba tare da gazawar rawar jiki ba. Maganin ya rage ɓarnar kaya da kwalabe 5,200 a shekara, wanda ya kai adadin ajiyar kai tsaye na $15,000.
Misali 3 – Tara-Tarar Kayan Lantarki (ACS580 Drives): Wani matsakaitan kamfanin kera kayan lantarki na kwangila yana aiki da tashoshi 24 don tara PCB. Rashin daidaiton bugun samarwa tsakanin buga solder paste da sanya kayan sassa ya jawo kashi 6% na aikin maimaitawa (rework). Bayan girka ABB ACS580 general purpose drives tare da DTC, layin ya kai daidaiton bugun samarwa na ±0.015%. Adadin aikin maimaitawa ya fadi zuwa 1.8%, kuma yawan samarda kaya ya ƙaru da 22%. Abokin cinikin ya ba da rahoton dawo da duk jarin da aka saka cikin watanni tara.
Yanayin Magani ga Manyan Kalubalen Layin Tara-Tara
Tsarin kula da drive na ABB yana magance manyan matsaloli uku da ake yawan samu a masana’antar samarwa ta sassa-sassa. Na farko, yanayin canjin nauyi: DTC na daidaita torque nan take idan nauyin kaya ko gogayya ya canza, yana hana tsayawar mota ko tsalle-tsalle. Na biyu, daidaita tashoshi da dama: drive ɗin da aka haɗa da PLC na kiyaye daidaiton bugun samarwa ko da lokacin da motoci fiye da 20 ke sauya sauri lokaci guda. Na uku, haɗarin gazawar encoder: aikin da ba ya dogaro da firikwensin (sensorless operation) yana kawar da mashigin gazawa guda ɗaya da aka fi sani, yana rage lokacin tsayuwar aiki ba tare da shiri ba har zuwa kashi 40%.
Rubutacce daga Song Mingyuan, injiniyan atomatik mai ƙwarewa a PLC, DCS da fitattun samfuran sarrafa masana’antu na duniya don aikace-aikacen petrochemical.
