Kulawar Hasashen da Bayanan Sensor

Riba:

• Ability don gane manufar kiyaye tsinkaya, alamun girgizawa / yanayin zafi da yanayin gazawar al'ada
• Ability don saita anomaly, Trend da halayyar mitar bincike a cikin firikwensin lokaci jerin tare da AI
• Ability don bincika fassarar AI tare da tsarin gazawar jiki, daidaitawa da duba filin

Kulawa da tsinkaya yana ɗaya daga cikin aikace-aikacen da ke ba da mafi girman dawowa a cikin kayan aiki ta hanyar rage lokacin da aka tsara da kuma hana ɓarna da ba zato ba tsammani ta hanyar sa ido akai-akai da yanayin injin tare da hasashen gazawar kafin ya faru. Maimakon classic "gyara shi lokacin da ya karye" ko "maye gurbin shi a kan jadawalin" hanyoyin, muna karanta ainihin yanayin na'ura daga bayanan firikwensin kamar girgiza, zafin jiki, halin yanzu da acoustics. Hankali na wucin gadi (AI) yana da ƙarfi sosai a cikin wannan yanki: gano anomaly (bangare daga al'ada) a cikin jerin bayanan lokaci, nazarin yanayin, fassarar halayen kuskure da tsarar rahoto. Amma "rashin aiki mai yiwuwa" da AI ta bayar shine hasashe, ba ganewar asali ba. Ana iya karye firikwensin, daidaitawar sa na iya kashewa, bayanan na iya zama hayaniya, kuma AI na iya ba da ma'ana ga tsarin da ba na zahiri ba. Fassarar AI kafin yanke shawarar kulawa; Ya kamata a bincika mitar kuskuren halayen tare da daidaitawar firikwensin, ingancin bayanai da kuma duba filin. A cikin wannan rukunin, zaku koyi fassarar bayanan firikwensin lafiya tare da AI.

Adadin da aka auna da Yanayin gazawa na Musamman

Ana karanta lafiyar injunan jujjuyawa (motar, famfo, fanka, ɗaukar kaya, kayan aiki) daga ƙananan ƙididdiga masu mahimmanci. Kowane adadi yana kula da wasu hanyoyin gazawa:

girman

m ga me

Yanayin gazawa na yau da kullun

Jijjiga (hanzari/gudu)

Rashin daidaituwa, rashin daidaituwa, ɗaukar / kaya

Rashin daidaituwa, rashin daidaituwa, lalacewa

zafin jiki

Gogayya, asarar lubrication, wuce gona da iri

Ƙunƙarar dumama, lalata mai

motor halin yanzu

Canjin wutar lantarki da na inji

Rotor bar karaya, load anomaly

acoustic/ultrasound

Lalacewar ɗaukar da wuri, yayyo

Rushewar fim ɗin mai, iskar gas

Mahimmin kayan aiki a cikin binciken jijjiga shine bakan mitar: muna raba siginar lokaci a cikin abubuwan mitar ta tare da canjin Fourier (FFT: tsarin lissafi wanda ke raba sigina zuwa mitocin sa). Kowane yanayin gazawa yana haifar da kololuwa a mitar siffa. Misali, rashin daidaituwa yana bayyana a mitar jujjuyawa (1X), rashin daidaituwar axis galibi yana faruwa a 2X, kuma lalacewa yana bayyana a mitoci na musamman dangane da ma'aunin lissafi (kamar BPFO, BPFI, BSF).

Tukwici: Kafin AI ta fassara bakan, ba da saurin juyi na injin (RPM) da lambar ɗaukar hoto, idan an zartar. Ba za a iya ƙididdige mitoci na kuskure ba tare da wannan bayanin ba; ba tare da su ba, fassarar AI na "rashin nasara" ya kasance a cikin iska.

Anomaly, Trend da Ƙararrawar Ƙarya

AI yana yin abubuwa biyu da kyau a cikin jerin lokaci: gano abubuwan da ba su da kyau (sau da yawa ba zato ba tsammani) da kuma nazarin yanayin (lalacewar sannu a hankali). Amma akwai tarko guda biyu. Na farko tabbataccen karya ne: amo, canjin kaya na wucin gadi ko jijjiga firikwensin na iya zama alamar rashin aiki na gaske. Na biyu mara kyau ne na ƙarya: ana iya ɓacewa a hankali, tabarbarewar sannu a hankali saboda ya kasance cikin "yanayin al'ada". Kyakkyawan sa ido kuma yana bin canjin bisa tarihin na'ura (tushe) maimakon madaidaicin kofa.

Tsanaki: Na'urar firikwensin kanta na iya gazawa. Yayin da na'urar firikwensin zafin jiki wanda ba ya daidaitawa zai iya ba da ƙararrawa "mai zafi", injin ɗin daidai yake; ko sako-sako da na'ura mai sauri yana haifar da girgiza mai ban tsoro. Abin da AI ke gani shine kawai bayanai; Ikon filin yana gaya muku ko tushen bayanan abin dogaro ne. "Tabbatar firikwensin farko" shine ka'idar farko na kiyaye tsinkaya.

Mataki-mataki: Fassarar Bayanan Sensor tare da AI

1. Ba da mahallin. Nau'in inji, RPM, bayanin ɗaukar hoto/gear, ma'auni.
2. Duba ingancin bayanai. Shin mitar samfurin ta isa, shin akwai ɓacewa/mafifi?
3. Ƙayyade tushen tushe. Yaya yanayin lafiya yayi kama?
4. A fitar da abin da bai dace ba. Alama karkacewa da yanayin tare da AI.
5. Nemi fassarar jiki. Wani yanayin gazawa, a wane mita, me yasa?
6. Tabbatar a cikin filin. Calibration, duban gani/tactile, ma'auni na biyu idan ya cancanta.

Saurin fassarar Spectrum

Role: Vibration analysis (condition monitoring) specialist.Context: A centrifugal pump rotating at 1450 RPM, drive end bearing 6206.Data: peak frequencies in the vibration speed spectrum [list, Hz and amplitude].Task: Correlate each peak with the possible failure mode (1X unbalance,2X axis misalignment, bearing BPFO/BPFI etc.). Yi ƙididdige mitoci masu ɗauka tare da RPM da 6206 geometry, faɗi mitocin da kuke nunawa. Ka'ida: Wannan HASSADA ce; Ga kowane sharhi, rubuta yadda na tabbatar da shi a cikin filin.

Anomaly/Trend analysis m

Yi nazarin jerin lokutan zafin jiki masu zuwa: [kwanan wata, lissafin dabi'u] - Menene ma'auni (na al'ada)? - Shin akwai abubuwan da ba a sani ba (raguwa ba zato ba tsammani), yaushe? Wane ƙarin bincike za ku ba da shawarar don bambanta tsakanin kuskuren firikwensin da zafi na gaske?

Ingancin bayanai da faɗakarwar tabbatarwar firikwensin

Mitar samfurin a cikin wannan ma'aunin jitter shine 2 kHz. Mafi girman kuskuren da nake sha'awar shine ~ 800 Hz. Shin wannan samfurin ya isa (Nyquist), sharhi. Alamomin tsalle-tsalle da tsinke a cikin bayanan sune kamar haka: [bayani]. Shin waɗannan na iya zama ainihin sigina ko kurakuran firikwensin/ rikodi, ta yaya zan iya bambanta?

Tsayar da daftarin yanke shawara

Rubuta daftarin shawarwarin kulawa bisa ga binciken da aka samu: [bincike]. Raba shawarwarin ku zuwa matakai uku: tsayawa nan da nan, bincika a lokacin kulawa, ci gaba da sa ido. Rubuta hujja da tabbacin filin don kowane matakin. Doka: Injiniyan kula da cancantar zai yanke shawara ta ƙarshe; bayyana wannan.

Rauni Mai Sauƙi / Ƙarfi Mai ƙarfi

Rawanin faɗakarwa:

Shin wannan girgizar tana da girma?

Babu nau'in inji, RPM, naúrar ma'auni, tushe da bayanin ɗaukar hoto; AI ba zai iya cewa "babba/ƙasas", ko da ya yi, ba shi da tallafi.

Ƙarfi mai ƙarfi:

1450 RPM centrifugal famfo, dauke da 6206, drive karshen metering. Matsakaicin saurin bakan jijjiga: [jeri]. Haɗa kowane kololuwa tare da yuwuwar yanayin gazawa, ƙididdigewa da nuna mitoci masu ɗauke da ƙima. Bayyana cewa kowane sharhi hasashe ne kuma rubuta yadda ake tabbatar da shi a cikin filin. Hakanan la'akari da yiwuwar kuskuren firikwensin.

Ƙaddamarwa ta biyu ta ƙunshi mahallin injin, bayanan bakan, da buƙatar tabbatarwa; Yana sanya fassarar a matsayin hasashe.

Karamin Kararraki Uku (Ta Lambobi)

Hali na 1 - Halayen tabbacin mita. A kan famfo guda ɗaya AI yana yin sharhi " gazawar zobe na ciki (BPFI)". Injiniya yana ƙididdige BPFI tare da 1450 RPM (24.2 Hz) da 6206 mai ɗaukar lissafi: ~ 131 Hz. Kololuwa a cikin bakan yana kusa da ~ 130 Hz kuma yana da jituwa. Fassarar ta yi daidai da mitar sifa; Injiniyan yana ƙwanƙwasa igiyar a lokacin da aka tsara gyara kuma ya sami rami a kan zoben ciki. Tabbatarwa yana juya hasashe zuwa ganewar asali.

Hali na 2 - Ƙararrawar ƙarya. A kan fan ɗaya, firikwensin zafin jiki yana ba da ƙararrawa 95°C, AI ​​ya ce "ɗaukar zafi". Ƙungiyoyin filin suna yin duban hannu: gadon yana da dumi, al'ada. Haɗin firikwensin sako-sako ne, daidaitawa ya canza. Ainihin zafin jiki ~55°C. Lokacin da aka ƙara ƙarar firikwensin kuma a daidaita shi, ƙararrawar tana ɓacewa. Idan an bi fassarar AI a makance, za a rushe gado mai ƙarfi ba dole ba. Darasi: tabbatar da firikwensin farko.

Hali na 3 - Kama yanayin jinkirin. Madaidaicin madaidaicin madaidaicin rawar jiki ba a wuce shi a cikin akwatin gear, amma AI yana nuna girman girma da ~ 6% a kowane mako akan yanayin mako 8. Ta hanyar cirewa, ana hasashen cewa za a wuce iyakar a cikin makonni ~5. A lokacin tsayawar da aka tsara, ƙungiyar ta bincika mai, gano ƙwayar ƙarfe kuma ta maye gurbin kayan aiki ta hanyar sarrafawa; An hana tsayawa ba zato ba tsammani. Darasi: yanayin ya yi gargaɗi kafin cikakkar ƙofa.

Kuskuren gama gari

• Neman sharhi ba tare da mahallin ba: Fassara bakan ba tare da RPM ba da ɗaukar bayanai.
• Rashin tabbatar da firikwensin: Kuskuren daidaitawa/kuskuren haɗin kai azaman rashin aiki na gaske.
• Kuskure hasashe don ganewar asali: Fassara fassarar AI cikin yanke shawara mai kulawa ba tare da sarrafa filin ba.
• Duban madaidaicin ƙofa kawai: Rasa yanayin lalacewa a hankali.
• Ƙarƙashin ƙima: Yin watsi da ƙa'idar Nyquist da yin watsi da babban kuskuren mita.
• Matsakaicin amsa ga tabbataccen ƙarya: Kuskure amo don rashin aiki na gaske da dakatar da injin lafiya.

A takaice

• Kulawa da tsinkaya yana karanta matsayin injin daga na'urori masu auna firikwensin kamar girgiza, zafin jiki da halin yanzu kuma yana hasashen gazawa a gaba.
• A cikin bakan girgiza, kowane yanayin gazawar yana haifar da kololuwa a mitar siffa; Sharhin yana buƙatar RPM da ilimi mai ɗauka.
• Fassarar kuskuren da AI ta bayar shine hasashe; Dole ne a tabbatar da mitar halayen ta hanyar daidaitawa da duba filin.
• Na'urar firikwensin kanta na iya kasawa; "tabbatar firikwensin farko" ita ce doka ta farko.
• Halin yana da mahimmanci kamar cikakken kofa; Rage raguwar hankali yana ba da gargaɗin farko. Hukuncin kulawa nasa ne na injiniyan da ya ƙware.

Aikin aikace-aikace

Zaɓi inji mai jujjuyawa (famfo, fanfo, mota). Rubuta RPM na injin da lamba, idan an zartar. Ɗauki ainihin ko samfurin jigon jijjiga / jerin lokacin zafin jiki kuma ku sami AI ta fassara shi da mahallin sa. Ga kowane hasashe na gazawar AI yana nunawa: bincika mitar halayen da kanku (tabbatar da lissafin BPFO / BPFI idan an ɗauka), kimanta yuwuwar gazawar firikwensin kuma rubuta yadda zaku tabbatar da shi a cikin filin. A ƙarshe, karkatar da binciken zuwa shawarwarin matakai uku (dakata nan da nan / duba kan jadawalin / ci gaba da sa ido) kuma bayyana dalilin da yasa shawarar tabbatarwa ta ƙarshe ta kasance tare da ƙwararren injiniya.

jerin abubuwan dubawa

• [] An ba da mahallin injin (nau'in, RPM, bearing/gear, point ma'auni).
• [ ] An duba ingancin bayanai da mitar samfur (Nyquist).
• [] Mitar kuskuren da AI ta nuna an tabbatar da su ta hanyar ƙididdige ƙimar mitar.
• [ ] An kimanta yuwuwar daidaitawar firikwensin / kuskuren haɗin kai.
• [ ] Baya ga cikakkar ƙofa, an kuma bincika yanayin.
• [ ] An tabbatar da sharhi ta hanyar binciken filin; An bar shawarar kulawa ga injiniyan da ya ƙware.