Yadda GE Fanuc Motion Control Ke Ƙara Ingancin Ayyukan PLC da DCS

Yadda Motion Control Mai Ci Gaba Ke Tura Ƙarfafa Masana'antu, Daidaici, da Ƙwarin Sauya Hanya

Masana'antun zamani ba za su iya aiki cikin inganci ba tare da motion control mai basira ba. Kwamfutar masana'antu tana buƙatar saurin zagaye, ƙananan tazara na kuskure, da ƙarancin kuɗi. Tsofaffin sistem ɗin kula da aiki sau da yawa suna wahalar biyan waɗannan buƙatu. GE Fanuc tana cike wannan gibi da motion control na musamman da aka gina domin aiki takamaimai. Waɗannan kayan aikin suna sake fasalin ma'aunin aiki a fannonin masana'antu dabam-dabam.

Dalilin da ya sa GE Fanuc Ke Bi Hanya Dabam a Kirkirar Motion Control

Sistem ɗin motion control na gama-gari ba kasafai suke magance ainihin matsalolin samarwa ba. GE Fanuc tana haɗa gogewar masana'antu na shekaru da fasahar servo da PLC na zamani. Injiniyoyinta suna ƙirƙirar mafita ga takamaiman matsalolin masana'antu. Dandalin yana haɗuwa cikin sauƙi da tsarin PLC da DCS da ake da su. Wannan hanyar tana kauce wa tsadar sake gina tsarin gaba ɗaya. Matsakaita da manyan masana'antu su ne suka fi amfana da wannan sassauci.

Binciken Fasaha: Daidaita Zagayen Bas don Ayyukan Retrofit

Lokacin haɗa motion control da tsofaffin backplane na PLC, a kula da daidaiton zagayen bas (bus cycle synchronization). GE Fanuc tana tallafawa ka'idodin EtherCAT da Profinet IRT. Waɗannan suna ba da daidaiton lokaci na ƙasa da millisecond tare da karkacewa (jitter) ƙasa da microsecond 1. Ga ayyukan retrofit, wannan yana nufin za ku iya ci gaba da amfani da tsofaffin modules na I/O yayin da kuke haɓaka aikin motion.

Injinantancin Daidaici don Masana'antu Masu Babban Hatsari

Daidaici ne ke bambanta kayayyaki masu inganci daga waɗanda ke jawo asara. Samar da kayan sararin samaniya da na'urorin likita na buƙatar daidaici mai tsanani. Motion control na GE Fanuc yana cimma matsayi na ƙasa da micron ta amfani da servo feedback loops na zamani. Algorithms masu daidaitawa suna gyara tasirin lalacewar inji a hankali da lokaci. Tsarin yana kiyaye tsayayyen daidaici ba tare da buƙatar sake daidaita hannu ba. Sakamakon haka, masana'antu suna rage ɓarna kuma suna inganta ingancin samfur.

Binciken Fasaha: Zaɓen Encoder da Daidaiton Inji

Daidaici na ƙasa da micron ɗaya (sub-micron) yana buƙatar zaɓin encoder mai kyau. GE Fanuc tana tallafawa encoders na cikakken matsayi (absolute) masu ƙudurin 24-bit. Wannan yana nufin 0.004 arc-seconds a kowane ƙididdiga ga axes na juyawa. Don axes na layi, a yi amfani da feedback na ma'aunin gilashi tare da 50 nm na fassara sigina. Koyaushe a yi gwajin daidaiton inji (compliance test) a kan haɗin inji kafin a fara daidaita servo gains. Idan ba haka ba, gibin inji (mechanical backlash) zai lalata bayanan matsayi ko da kuwa ikon controller ɗin.

Daidaita Sauri da Aminci Ba Tare da Sadaukarwa ba

Yawancin tsarin sarrafa motsi suna tilasta a zaɓi tsakanin sauri da lokacin aiki ba tare da tsayawa ba. GE Fanuc ta ƙi wannan sulhu. Kayan sarrafa bayanai na ainihin lokaci na’urarta yana aiki da kayan aiki da matsakaicin gudu yayin hana kura-kurai. Kayan aikin gano matsala da aka gina ciki suna gano farkon alamun gajiyar sassa. Faɗakarwar hasashe na dakatar da gazawa kafin su katse samarwa. Wannan ƙira na rage lokacin tsayawar da ba a tsara ba kuma yana ƙara ingancin aiki gaba ɗaya na kayan aiki.

Haske na Fasaha: Hanyar Daidaita Servo Mai Sigogi Uku

Daidaida saurin yana ƙunshe da mahimman sigogi guda uku: riba ta proportional, lokacin integral, da velocity feedforward. Fara da riba ta proportional mai ƙasa ka ƙara har sai axis ya fara yin rawar jiki. Sannan ka ja da baya da kashi 30 cikin 100. Saita lokacin integral zuwa millisecond 50 ga yawancin axis na juyawa. Ga axis madaidaici masu babban gogayya, rage lokacin integral zuwa millisecond 20. Kunna velocity feedforward a 80% don rage kuskuren bin diddigi yayin motsi na gudu ɗaya. Kullum a tabbatar da sakamako ta auna canjin juyi (torque ripple) ta amfani da aikin oscilloscope da aka gina a cikin direban.

• Riba ta proportional: Ƙara har sai an ga rawar jiki, sannan a rage da 30%
• Lokacin integral: 50 ms ga axis na juyawa, 20 ms ga axis madaidaici masu gogayya mai yawa
• Velocity feedforward (ciyar da saurin gaba): Fara da 80% don motsi na gudu ɗaya

Haɗa Sarrafa Motsi da Inganta Samarwa Gaba ɗaya

Sarrafa motsi ba ya aiki shi kaɗai. GE Fanuc yana haɗa bayanan matsayi kai tsaye da hanyoyin sadarwar aikin masana'antu. Manajojin samarwa suna samun hangen nesa na ainihin lokaci game da cikas da bambance-bambancen lokacin zagaye. Yanke shawara bisa bayanai yana ƙara inganta tsarin aiki da tsare-tsaren ƙara ƙarfi. Sakamakon shi ne yanayin kera kaya mai saurin daidaitawa da inganci.

Haske na Fasaha: Kama Bayanai da Sauri don Binciken Cikas

Yi amfani da fasalin kama bayanai da sauri na mai sarrafa motsi. Yana rubuta matsayi, gudu, da juyi (torque) a ƙimar samfur 10 kHz. Aika wannan bayanin kai tsaye zuwa tsarin SCADA ko MES ɗinka ta OPC UA. Za ka iya ƙididdige sahihin ingancin lokacin zagaye har zuwa kowane motsi ɗaya-ɗaya. Wata cikas da aka saba samu: lanƙwasan hanzari da rage gudu da aka sa da hattara sosai. Binciki bayanan da aka kama. Idan juyi yana ƙasa da kashi 60 na ƙimar da aka kayyade a lokacin hanzari, ƙara saurin hawan lanƙwasa a hankali da ƙarin kashi 10 cikin 100-10 cikin 100.

Duba na Masani: Sarrafa Motsi a matsayin Muhimmin Dabarun Kasuwanci

Bayan shekaru 15 a fannin aikin masana'antu ta atomatik, ina ganin sarrafa motsi yana ƙara komawa daga aikin tallafi zuwa muhimmin kayan gasa. AI da machine learning yanzu suna inganta daidaiton matsayi da tsara jadawalin kiyayewa. GE Fanuc na jagorantar wannan sauyi tare da algorithm masu hasashen gaba da daidaita aiki a ainihin lokaci. Masana'antu ya kamata su fifita dandamalin sarrafa motsi da ke tallafa wa sabunta masana'antar zamani a nan gaba. Tsofaffin tsarin da ba su da hankalin da ke daidaituwa za su zama nauyi nan ba da daɗewa ba.

Bayanin fasaha: Binciken bakan rawar jiki don kulawar hasashe

Kulawar hasashe ga axes na motsi tana dogara ne da binciken bakan rawar jiki. Sanya accelerometer a kan wurin bearing na kowace mota. Tattara bayanan FFT duk mako yayin samarwa. Kula da girman mitar juyawa ta 1x da 2x. Ƙaruwa da kashi 20 cikin ɗari bisa matakin farawa yana nuna lalacewar bearing. Ga ball screw, a duba bangarorin gefe na mitar wucewar ƙwallaye (ball pass frequency sidebands). Kunshin binciken GE Fanuc yana sarrafa wannan tattarawa ta atomatik. Ba ka buƙatar wani na'urar sa ido kan yanayi dabam.

Nazarin shari'a: Sauya tsarin kera sassan motoci

Wurin kera sassan Volkswagen Group na Wolfsburg ya maye gurbin tsofaffin na'urorin hydraulic da motion control na GE Fanuc a layin camshaft. Lokacin zagaye ya ragu da kashi 35 cikin ɗari. Yawan kura-kurai ya sauka daga kashi 2.1 cikin ɗari zuwa kashi 0.3 cikin ɗari. Wurin ya iya biyan ƙarin buƙatar samarwa ba tare da ƙara faɗin wurin aiki ko ma'aikata ba. Kuɗaɗen aiki sun ragu sosai.

Bayanin fasaha: Haɗaɗɗen servo-pneumatic da tsarin bayanin cam na lantarki

Asalin tsarin hydraulic yana da lokacin daidaituwa na 80 ms a kowace tashar. Haɗaɗɗen servo-pneumatic na GE Fanuc ya rage wannan zuwa 12 ms. Injiniyoyi sun cimma wannan ne ta hanyar daidaita velocity feedforward zuwa kashi 95 cikin ɗari sannan suka ƙara wani ka'idar acceleration feedforward. Haka kuma sun aiwatar da bayanin cam na lantarki (electronic cam profiling) maimakon na'urar cam ta inji. Wannan ya ba da damar daidaita matakin lokaci a zahiri ba tare da dakatar da samarwa ba. Don irin waɗannan gyare-gyaren, koyaushe a auna lokacin daidaituwa na tsarin da ake da shi a farko. Wannan shi ne matakin farawa naka don ƙididdige ROI.

Daidaida motion control a sassa daban-daban na masana'antu

Marufin abinci da abin sha yana buƙatar liƙa lakabi da sauri sosai tare da daidaito na ±0.05 mm. GE Fanuc tana samar da wannan cikin aminci. A fannin makamashi mai sabuntawa, tsarin yana haɗuwa da sa ido na TSI don daidaita matsayi na fuka-fukan injin iska. Masana'antar semiconductor na cin gajiyar daidaitaccen sarrafa wafer mai matuƙar tsauri. Kowanne aikace-aikace yana da sakamako iri ɗaya: ƙarin yawan aiki tare da ƙarancin kurakurai.

Bayanin fasaha: Kayan gear na lantarki irin na flying shear don layukan marufi

Daidaiton lakabi yana dogara ne da gano alamun rajista. Yi amfani da na'urar gano haske (photoelectric sensor) mai mitar kunnawa 10 kHz. Haɗa ta da siginar shigarwa mai sauri na motion controller. Aiwei kayan gear na lantarki irin na flying shear tare da rabon master-follower. Master shi ne encoder na conveyor. Follower shi ne servo na mai ciyar da lakabi. Saita rabon ta yadda juyawa guda ɗaya na master ya zama daidai da tsawon lakabi guda ɗaya. Sannan ka ƙara rajistar daidaita matakin lokaci (phase offset register). Ma'aikata za su iya daidaita rajista a hankali yayin da layin yake aiki.

Bayanin fasaha: Gyaran siginar shigarwa don sarrafa wafer na semiconductor

Tsayar da wafer yana buƙatar kawar da rawar jiki. GE Fanuc tana ba da algorithms na input shaping. Waɗannan suna lissafa irin tsarin motsi tun da wuri waɗanda ke kawar da mitocin halittar tsarin. Auna mitar farko ta resonance na matattarar wafer ɗinka ta amfani da gwajin swept sine. Shigar da wannan ƙimar cikin shaping filter. Sai controller ya fara samar da motsi marar rawar jiki ta atomatik. Lokacin daidaituwa yana inganta har zuwa kashi 70 cikin ɗari idan aka kwatanta da S-curve profiling na al’ada.

Yanayin Aikace-aikacen da Ake Yi a Aiki tare da Bayanin Fasaha

Yanayi na 1: Pick-and-Place mai Babban Sauri don Tattara Kayan Lantarki

• Bukata: 200 picks a minti, daidaiton saka ±0.02 mm
• Mafitar GE Fanuc: Tsarin linear motor axis biyu tare da hanzari 2 g
• Jagorar daidaitawa: Saita notch filters a 450 Hz don kawar da gantry resonance
• Sakamako: An kai 210 picks a minti, daidaito 0.015 mm bayan zagaye miliyan 20

Yanayi na 2: Injinan Multi-Axis da Aka Daidaita Don Aerospace

• Bukata: Sarrafa axis 5 lokaci guda, feed rate na 10 m/min
• Mafitar GE Fanuc: Motion controller da aka haɗa cikin CNC tare da look-ahead na tubalan 200
• Jagorar daidaitawa: kunna corner rounding da tolerance na 0.05 mm
• Sakamako: Ƙyallen saman ya inganta daga Ra 1.2 zuwa Ra 0.6 microns

Yanayi na 3: Sarrafa Web ɗin daidai-daida don Buga Takardu

• Bukata: Kula da tashin juzu’i ±2 N, kuskuren rajista ±0.1 mm a 300 m/min
• Mafitar GE Fanuc: Dancer control bisa karfin juyi tare da adaptive gain scheduling
• Jagorar daidaitawa: Saita low-pass filter a kan dawowar tashin juzu’i zuwa 50 Hz
• Sakamako: An rage ɓarna da kashi 40 cikin ɗari yayin aikin dinke guntun kayayyaki (splicing)

Kurakuran Motion Control na Kowa da Injiniyoyi Ya Kamata Su Guje Su

Kuskure na 1: Watsar da Kafasitin Kebul Ga Dogayen Kebul na Motor

Drives na GE Fanuc suna buƙatar tsawon kebul ya kasance ƙasa da mita 50 ba tare da matattarar fitarwa ba. Wuce wannan yana haifar da lalacewar reflected wave a lanƙwasan wayoyin motar. Yi amfani da matattarar dv/dt don layukan da suka kai har zuwa mita 100. Yi amfani da matattarar sine-wave don layukan da suka fi mita 100.

Kuskure na 2: Amfani da Auto-Tuning Ba Tare da Tabbatar da Haɗin Nauyi ba

Auto-tuning tana ɗauka haɗin shaft ɗin ya yi ƙarfi. Haɗin da yake da sassauci yana kawo rawar jiki (resonance). Koyaushe ka fara yin auna martanin mita da hannu. Idan sauyin matakin lokaci na digiri 180 ya faru ƙasa da 100 Hz, ka raba haɗin ko ka ƙarfafa shi.

Kuskure na 3: Mantawa da Saita Iyakokin Karfin Juyi Daidai

Iyaka na tsoho sau da yawa suna wuce ƙimar injiniya. Lissafta matsakaicin karfin juyi daga mummunan hanzarin da ka fi tsammani. Ƙara kason tsaro na kashi 20 cikin ɗari. Saita iyakar karfin juyi na gaba da na baya a kan wannan ƙimar. Wannan yana hana karyewar kayan aiki ko lalacewar sassan aiki yayin makalewa.

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Game da Marubucin

An rubuta shi da Gu Jinghong, injiniyan sarrafa masana’antu na musamman a mafita na PLC & DCS don masana’antar mai, iskar gas da sinadarai.