IS215VAMBH1A, wanda aka sani da VME Acoustic Monitoring Input/Fit sub- majalisa, wani muhimmin abu ne a cikin Tsarin Kula da Tumbine na General Electric (GE) Mark VI. Yana da babban aiki, ƙararrakin tashar tashoshi da ƙarfin siginar siginar siginar saye da tsarin sarrafawa, musamman an tsara shi don saka idanu mai ƙarfi na combustor (pulsation) a cikin injin injin gas, musamman manyan rukunin masana'antu kamar Frame 6, 7, da 9 jerin. Wannan hukumar tana aiki tare da ɗaya ko biyu IS215VAMBH1A Acoustic Monitoring Terminal Boards don samar da cikakkiyar maganin sa ido. Manufarsa ita ce kamawa, yanayi, da kuma nazarin siginar matsa lamba mai ƙarfi daga combustor a cikin ainihin lokaci, yin aiki azaman mahimman tushe na kayan masarufi don sa ido kan kwanciyar hankali konewa, hasashen kuskure, da haɓaka aiki a injin injin gas.
Babban aikin tsarin IS215VAMBH1A shine ci gaba da lura da jujjuyawar motsin murya da tsarin konewa ya haifar, wanda ke nuna yanayin konewa kai tsaye. Ta hanyar nazarin ƙarfin (ƙimar RMS), abubuwan mitar mitar (FFT bincike), da kololuwar waɗannan sigina, tsarin sarrafawa zai iya tantance daidaiton konewa a cikin ainihin lokacin, gano yanayi masu haɗari kamar 'ƙonewar oscillatory,' da kuma haifar da ƙararrawa na lokaci ko ayyukan kariya lokacin da rashin daidaituwa ya faru. Wannan yana hana lalacewar kayan aiki yadda ya kamata kuma yana tabbatar da aminci, inganci, da tsayayyen aikin naúrar.
Wannan samfurin yana goyan bayan kayan aiki daga manyan firgita na ɓangare na uku daban-daban da masu siyar da firikwensin sauti, kamar su Benly-Nevada, Vibro-mita, PCB Piezotronics, da GE na kansa Reuter-Stokes flame detectors da CCSA (Charge Converter Signal Amplifier), yana nuna kyakkyawar dacewa da tsarin haɗin kai.
2. Tsarin Tsari da Gine-ginen Hardware
Tsarin sa ido na sauti na IS215VAMBH1A yana fasalta tsarin gine-gine, wanda ya ƙunshi manyan abubuwan kayan masarufi masu zuwa:
IS215VAMBH1A Babban Kwamitin Gudanarwa: Jigon tsarin, wanda aka shigar a cikin rakiyar VME na tsarin sarrafa Mark VI. Yana da alhakin karɓar siginar analog daga Tashar Tashar Tashar (TAMB), yin babban canjin analog-zuwa-dijital (A/D), preprocessing siginar dijital (misali, tacewa), ƙididdige ƙimar aikin injiniya (misali, RMS, FFT), da musayar bayanai tare da mai sarrafa Mark VI. Ana amfani da FPGA akan jirgin (Field-Programmable Gate Array) don samfurin aiki tare da sauri mai sauri da kuma FIR (Ƙaramar Amsar Ƙarƙashin Ƙarƙashin Ƙarfafawa).
IS215VAMBH1A Tashar Tasha: Yana aiki azaman mu'amala tsakanin firikwensin filin da babban allon VAMB. Kowane kwamitin tashar TAMB yana ba da tashoshi masu daidaita sigina 9 masu zaman kansu. Ayyukanta na farko sun haɗa da:
Samar da Ƙarfin Sensor: Yana ba da keɓe, mai iyaka +24V DC ko -24V ikon DC (dangane da nau'in firikwensin) zuwa masu haɓaka caji ko na'urori masu auna firikwensin.
Yanayin siginar & Kariya: Yana ba da buffer sigina, tsangwama na lantarki (EMI), da kariyar ƙarfin lantarki na wucin gadi.
Zaɓin Nau'in Shigarwa: Yana saita kowane tashoshi don shigar da wutar lantarki (V_IN) ko shigarwar yanzu (L_IN, tare da mai ɗaukar nauyi na 250Ω don madaukai 4-20mA) ta hanyar masu tsalle-tsalle (JPx).
Sarrafa Bias: Yana ba da zaɓi + 28V, -28V, ko ƙarfin ƙarfin son zuciya don gano buɗewar kewayawa.
Sakamakon Bincike: Kowane tashoshi yana ba da buffered BNC fitarwa don gwajin filin da tabbatar da sigina.
Identification onboard: Ya ƙunshi guntu mai karantawa-kawai da ke adana lambar serial ɗin tasha, samfuri, bita, da bayanin wurin haɗi, wanda hukumar VAMB ta tabbatar da ita yayin haɓaka wutar lantarki.
Haɗin kai: Ana haɗa allunan tashar tashar IS215VAMBH1A zuwa masu haɗin gaban gaba na babban allon VAMB ta hanyar igiyoyi tare da wayoyi masu murɗaɗɗen nau'i-nau'i da yawa (misali, masu haɗin haɗin 37-pin), suna tabbatar da amincin sigina da rigakafin amo.
Tsarin tsarin ya bambanta dangane da ƙirar injin turbin gas da adadin combustors. Misali, sashin 7EA yawanci yana amfani da allon 1 IS215VAMBH1A da allon TAMB guda 2 don tallafawa tashoshi na saka idanu har 18, yayin da sashin 6FA na iya buƙatar 1 VAMB da allon TAMB 1 don tashoshi 9 kawai.
3. Core Technology da Aiki Features
IS215VAMBH1A yana haɗa fasahar sarrafa siginar analog da dijital. Babban fasali na fasahansa sun haɗa da:
Babban Madaidaicin Maɗaukaki Multi-Channel Samfuran Haɗin kai: Yana ba da 18 cikakkiyar samfuran shigar da tashoshi na analog na daban. Yana amfani da fasaha mai yawa na 8x, yana rage dogaro ga matatun anti-aliasing na analog da inganta amincin sigina da kewayo mai ƙarfi.
Ƙarfin FPGA Preprocessing: The onboard FPGA yana yin babban sauri na FIR dijital tacewa da sauran abubuwan da suka mallaka na algorithm kafin bayanai su kai ga babban mai sarrafawa. Wannan yana tace hayaniyar da ba ta dace ba, yana fitar da fasalulluka na sigina, yana rage nauyin babban na'ura, kuma yana tabbatar da aiki na ainihin lokaci.
Sauƙaƙe kuma Daidaitacce Tsarin Sigina:
Samar da Shirye-shiryen: Mai daidaitawa mai zaman kansa ta kowane tashar tare da zaɓuɓɓukan samun 1, 2, 4, da 8. Wannan yana haɓaka ƙananan sigina zuwa madaidaicin juzu'i na A / D, inganta siginar-zuwa-amo rabo (SNR) da ƙuduri.
Cire Bias DC ta atomatik: Ta atomatik yana kawar da ɓangaren son zuciya na DC daga siginar, yana haɓaka SNR na siginar matsa lamba AC.
A/D Daidaita Kai: Yana da aikin daidaitawa ta atomatik wanda ke gyara riba da kashe kurakurai a cikin dukkan tashoshi 18 da suka haifar da bambance-bambancen bangaren farko ta hanyar kwatanta su da tashar 'daidaitan gwal' da aka daidaita tare da madaidaicin ƙarfin wutar lantarki. Wannan yana tabbatar da daidaiton ma'auni na dogon lokaci.
Cikakken Binciken Sigina da Lissafi:
RMS (Root Mean Square) Lissafi: Yana ƙididdige ƙimar RMS na siginar AC na kowane tashoshi a cikin ainihin-lokaci, yana aiki azaman maɓalli mai nuni na gabaɗayan ƙarfin ƙarfin konewa. Yana goyan bayan ƙididdige ƙididdige ƙididdige ƙididdigewa don mirgina matsakaita zuwa saurin saurin sigina.
FFT (Mai Saurin Canjin Saurin Saurin Saurin Saurin Sauyi): Tsawon FFT mai iya daidaitawa (daga maki 1024 zuwa maki 32768) don nazarin bakan don gano takamaiman abubuwan mitar (misali, mitar juzu'i, mitar ƙira). Yana ba da rarrabuwar rukunin mitar mitoci masu daidaitawa (ƙananan-ƙananan, ƙarami, tsakiya, babba, ƙwanƙwasa, mai jujjuyawa, da dai sauransu) da iyakar iyaka ga kowane rukunin.
Juya Rukunin Injiniya: Yana goyan bayan jujjuya madaidaiciyar sigina na karanta kayan aikin millivolt (mV) zuwa raka'o'in injiniya (misali, PSI) ta hanyar sigogin sanyi (Maɗaukaki/Ƙaramar ƙimar shigar da ke daidai da ƙimar Injiniya High/Ƙananan).
Babban Bincike da Ayyukan Kariya:
Buɗe Gano Ganewa: Yana amfani da wutar lantarki mai daidaitawa ta DC don gano kurakuran buɗewa ta atomatik a cikin firikwensin ko igiyoyin sigina.
Gano jikewar sigina: Yana lura da ko siginar shigarwar ta wuce kewayon jujjuyawar A/D saboda saitin riba mai yawa.
Duban Iyakan Sensor: Yana bincika idan kololuwar siginar shigarwar ta wuce madaidaicin kewayo don saita nau'in firikwensin.
Ƙididdiga Ƙididdiga na Tsari: Kowane tashoshi yana goyan bayan masu zaman kansu guda biyu, masu daidaitawa (kunna / musaki, mafi girma-ko-ko-daidai-zuwa / kasa-ko-ko-daidai-to, latching/non-latching) iyakokin matakin ƙararrawa na tsarin.
Binciken kai na Hukumar da Tasha: Hukumar VAMB tana da LEDs matsayi uku a gaban kwamitinta: RUN, FAIL, da DIAG. Yayin da ake kunna wutar lantarki, hukumar tana tabbatar da amincinta da kuma ID na allunan tasha na TAMB da aka haɗa don hana rashin haɗin gwiwa.
Ɗaukar Bayanai da Shigar Abubuwan Taɗi: Lokacin da kowane tashar ta kunna ƙararrawa, tsarin zai iya ɗauka ta atomatik da adana jerin bayanai (raw bayanai, sakamakon FFT, ko ƙimar injiniya) daga duk tashoshi 18 na wani lokaci kafin da kuma bayan taron. Wannan yana ba da mahimman bayanai na tarihi don nazarin kuskure. Hakanan yana goyan bayan lissafin kama ma'aikata da hannu.
4. Shigarwa da Kanfigareshan
Shigarwa: Ana ba da shawarar shigar da allon IS215VAMBH1A da allon tasha ta TAMB ta GE-horar da masu fasahar sabis na fage. Dole ne shigarwa ya bi jagororin shigarwa masu dacewa (misali, GII-100014), tabbatar da madaidaicin wurin ramin ramin, haɗin kebul (musamman na USB mai nau'i-nau'i zuwa gefen gaban katin VAMB), da ƙasa.
Kanfigareshan (ta ToolboxST Software): Ƙarfafan fasalulluka na VAMB suna buƙatar cikakken tsari ta amfani da kayan aikin injiniya na GE's ToolboxST. An raba saiti zuwa sigogi gama gari da sigogi masu zaman kansu don kowane tashoshi.
Ma'auni na Kanfigareshan gama gari (Shafi duk tashoshi):
Samfura & Ma'auni: Kamar samfurin ƙima, tsayin FFT, maki iyaka da iyaka, adadin sikanin madaidaitan mirgina, matatar mitar wutar lantarki (50/60 Hz), da sauransu.
Saitunan Ɗaukar Majalisu: Ƙayyade yanayin faɗakarwa, tushen bayanai (shigarwar albarkatun ƙasa, fitarwar FFT, ƙimar injiniya, da sauransu), da zurfin buffer.
Zaɓin Ayyukan Taga: Yana ba da ayyuka daban-daban na taga don bincike na FFT, gami da Rectangular, Hanning, Hamming, da sauransu.
Ma'auni na Kanfigareshan Tasha:
Saitunan asali: InputUse (zaɓi nau'in firikwensin: Bently-Nevada, Vibro-meter, CCSA, PCB, GE/RS, Custom, da dai sauransu), Samun (zaɓar zaɓi), Can_id (mai haɗa combustor iya lamba).
Ma'auni na daidaitawa: High_Input /Low_Input (mV) da High_Value /Low_Value (rakunan injiniyanci) don ayyana madaidaicin jujjuyawar juzu'i daga mV zuwa raka'ar injiniyanci.
Ikon TAMB: Matsayin Bias (zabin ƙarfin lantarki), CCsel (zaɓin tushen yau da kullun).
Binciken Yana Haɓaka: Yana ba da damar ko kashe ayyuka daban-daban na bincike kamar buɗaɗɗen da'ira, ɓarna kai tsaye, duba iyakacin firikwensin, gano jikewar sigina, duba iyakar tsarin, da daidaita nau'in kwatance da kofa don iyakokin tsarin.
Saitunan Tashar Tashar Tasha ta TAMB: Dangane da ainihin mai siyar da firikwensin haɗe da ƙira, masu tsalle (JPx) na kowane tasho dole ne a saita su daidai daidai da teburin saitin jumper na littafin. Masu tsalle-tsalle masu lamba (JP2, JP4...) zaɓi Input Input (V_IN) ko Shigarwar Yanzu (L_IN); masu tsalle-tsalle masu ƙima (JP1, JP3...) zaɓi ko layin dawowar siginar (RETx) yana daura da Power Common (PCOM). Misali, lokacin haɗa firikwensin Bently-Nevada 350500, ko da jumper yawanci ana saita shi zuwa V_IN, kuma m jumper zuwa OPEN (hanyar waya 4) ko PCOM (hanyar waya 3).
5. Takaitaccen Bayanin Fasaha
Tashoshin sigina: 18 abubuwan shigar analog na daban na aiki tare.
Range na shigarwa: shigarwar wutar lantarki daban-daban, tana goyan bayan siginar matsa lamba mai ƙarfi-matakin millivolt. Matsakaicin girman siginar shigarwa (bayan cire son zuciya na DC) dole ne ya wuce madaidaicin ƙarfin lantarki (10V a Gain=1) bisa zaɓin riba.
Daidaito:
Abubuwan Samar da Wutar Lantarki (ta hanyar TAMB):
P24V (Yanayin Iyakan Yanzu): +22.8 zuwa + 25.2 V DC, 44mA na yau da kullun.
P24V (Yanayin Tsayayyen Yanzu, don na'urori masu auna firikwensin PCB): +20 zuwa +30V DC, 3.5mA na yau da kullun.
N24V (Yanayin Iyakan Yanzu): -18.85 zuwa -26V DC, 20mA na yau da kullun.
Tsarin Dijital: Gabatarwar FPGA, yana goyan bayan tacewa FIR. Masu canza A/D suna da daidaitawa da kai.
Fitowa: Kowane tashar TAMB yana ba da 1 buffered BNC fitarwa (Gain 1± 0.5%, kashe kusan 30mV).
LEDs masu ganowa: Kwamitin gaban allo na VAMB yana da LED guda uku: RUN (kore mai walƙiya), FAIL (ja mai ƙarfi), DIAG (m orange lokacin da ƙararrawa ta bayyana).
Ƙayyadaddun Muhalli & Jiki: Ya dace da ƙa'idodin hukumar Mark VI VME, wanda ya dace da yanayin ɗakin kula da masana'antu.
6. Binciken Laifi da Kulawa
Tsarin IS215VAMBH1A yana ba da cikakkun lambobin kuskure da bayanin ƙararrawa don saurin matsala:
Ƙararrawar Ƙwararrun Ƙwararrun Ƙwararru: Irin su Kuskuren CRC na Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwaƙwalwar Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙaƙwalwa , da dai sauransu, yawanci yana nuna kayan aikin allo, firmware, ko al'amurran haɗi.
Ƙararrawar Ƙwararrawar Matsayin Tasha: Ga kowane tashar sigina (Sig x), rahotanni na iya haɗawa da 'Ba a kasa Gwajin Buɗewa ba' (duba wiring da firikwensin), 'Kuskuren Nulling Bias Nulling' (duba Tsarin InputUse ), 'Saturated Signal Saturated' (duba Tsarin Gain ), ' Iyakar Sensor Ya wuce', nau'in firikwensin da kansa.
Ƙararrawar Ƙayyadaddun Tsari: Ƙarfafawa lokacin da sigina ya wuce ƙayyadaddun iyakokin tsarin. Za'a iya sake saitawa ta hanyar umarnin RESET_SYS (idan an daidaita shi azaman mara amfani).
Kulawa na yau da kullun ya ƙunshi bincike na lokaci-lokaci na matsayin LEDs, bitar bayanan bincike ta ToolboxST, tabbatar da samun iska mai kyau, da tabbatar da haɗin kai. Idan akwai gazawar hardware, yawanci ana buƙatar maye gurbin hukumar (VAMB ko TAMB), sannan kuma ƙwararrun ma'aikata su sake tsara su.
