Kuhlelo lwe-Steam Turbine Electro-Hydraulic Control System, TheI-servo valveI-G771K201 idlala indima ebaluleke kakhulu, futhi ukusebenza kwayo kuhlobene ngqo nokunemba nokuqina kwalo lonke uhlelo. Kodwa-ke, i-zero Bias Droft Penomenon ifana ne- "ghost" engenzeka, ehlala isongela ukusebenza okujwayelekile kwe-servo valve, bese kuthinta ukusebenza kohlelo lokulawula i-Steam Turbine Electro-hydraulic control system. Ngakho-ke, ngokubaluleka okukhulu okusebenzayo ukuze kube nokuqonda okujulile kwe-zero Bias Dnomenon ye-servo valve g771k201 kanye nokuma kahle kokutholwa okuqondile nezindlela zokulinganisa.

1. Ukuhlaziywa kwe-Zero Bias Droft Penomenon ye-servo valve g771k201

I-Zero BIAS ye-Servo Valve G771k201, ngamagama alula, ibhekisa esimweni lapho ukugeleza okuphuma khona noma ingcindezi kungabi nalutho ngokuqinile lapho kungekho zimpawu zokulawula. I-zero Bias Drift isho ushintsho olungalawuleki lwaleveli ye-zero bias ngokushintshwa kwesikhathi, izinga lokushisa, ingcindezi yesistimu nezinye izinto.

Kunezinto eziningi ezibangela ukugeleza kwe-zero Bias. Kusuka ezintweni zangaphakathi, ukugqokwa kwezinto zangaphakathi ze-servo valve kuyisizathu esibalulekile. Isibonelo, ngemuva kokusetshenziswa kwesikhathi eside, imvume yokufanisa phakathi komgogodla we-valve kanye nomkhono we-valve kungashintsha, okuholele ekushintsheni kwenani lokuvuza kwamanzi, okubangela ukuvuza kwe-zero Biad. Ngaphezu kwalokho, ukukhathala okukhulu kwentwasahlobo akunakunakwa. Ngesikhathi sokwanda kwesikhathi eside kanye nenqubo yokusebenzisa ingxenye yentwasahlobo kungashintsha, okuthinta isikhundla sokuqala sogogo we-valve, ngaleyo ndlela kubangele ukugeleza kwe-zero Bias. Ngokombono wezinto zangaphandle, izinguquko zokushisa zinomthelela omkhulu ku-zero Bias Drift. Ukushintshashintsha kwezinga lokushisa kuzodala ama-coefficients ahlukene we-thermal wezakhi e-servo valve, okwenza izikhundla ezihlobene nezingxenye zishintshe, ngaleyo ndlela zibangele izinguquko ze-zero zokushintsha. Ngaphezu kwalokho, ukungazinzi kwengcindezi yesistimu kungahle kubangele ne-zero Bias Drift. Ukushintshashintsha kwengcindezi kuzokhiqiza amandla angeziwe kwi-Valve Core, okwenza ukuthi iphambuke endaweni yokuqala ye-zero.

2. Indlela yokutholwa ye-zero Bias Drift ye-servo valve g771k201

(I) Indlela yokuthola i-Static

Indlela yokutholwa ye-static iyindlela eyisisekelo futhi esetshenziswayo yokutholwa okusetshenziswayo. Lapho uhlelo lusesimweni se-static, imishini yokutholwa kochwepheshe, njengokunemba okuphezuluizinzwa zokucindezelaFuthi izinzwa zokugeleza, zisetshenziselwa ukukala ingcindezi yokukhipha nokugeleza kwe-servo valve lapho kungekho kokufakwa kwesiginali yokulawula. Okokuqala, xhuma ngokuthembekile i-servo valve ohlelweni lokutholwa ukuze uqinisekise ukuthi uhlelo lusesimweni sokuqala esizinzile. Ngemuva kwalokho, qopha idatha yengcindezi kanye nokugeleza okulinganiswa yinzwa ngalesi sikhathi, okungamanani okuqala ama-zero Bias. Ngaphansi kwezimo ezahlukahlukene zezemvelo, njengamazinga okushisa ahlukile nomswakama, ulinganise kaninginingi izikhathi bese uqhathanisa idatha elinganisiwe. Uma kunokusobala ukuguquguquka kwedatha, futhi uhla lokushintshashintsha ludlula ibanga lephutha elibekiwe, khona-ke kunganqunywa ngokuqavithekile ukuthi i-servo valve ine-zero Bias Drift.

(Ii) Indlela enamandla yokuthola

Indlela yokutholwa enamandla ingakhombisa ngokwengeziwe ukugqashuka kwe-zero Bias Drift ye-servo valve ngesikhathi sokusebenza kwangempela. Ngesikhathi sokusebenza kohlelo, isiginali yokulawula, ukugeleza kokuphuma kanye nemingcele yokucindezela ye-servo valve iqoqwe ngesikhathi sangempela usebenzisa uhlelo lokutholwa kwedatha. Ngokuhlaziya le mininingwane enamandla, bheka ukuthi ukugeleza okuphumayo kanye nengcindezi eguquguqukayo ezungeze inani elinqunyelwe lapho isinali yokulawula ingu-zero. Izindlela zokucubungula iziginali ezinjengokuhlaziywa kwe-spectrum zingasetshenziswa ukuhlaziya imvamisa kanye nokuthuthuka kokushintshashintsha. Uma i-amplitude yokuguquguquka inkulu futhi imvamisa ibonisa imvamisa noma ukungahambi kahle, khona-ke kukhombisa ukuthi i-servo valve ingahle ibe ne-zero Bias Drift. Isibonelo, ngemuva kokuthi uhlelo selugijime ngokuningiliziwe isikhathi esithile, kutholakala ukuthi ukugeleza okuguqukayo kunokuguquguquka okuncane kwezikhathi lapho isinali lokulawula sero. Ngemuva kokuhlaziya nokufaka ngaphandle kwezinye izinto zokuphazamiseka, kungenzeka ukuthi ukukhetha kwe-zero ye-verovve kukhishwe.

(Iii) Indlela yokuthola imodeli

Ngokuthuthukiswa kwe-Theory yolawulo lwanamuhla kanye nobuchwepheshe bekhompyutha, izindlela zokuthola imodeli zisetshenziswe kancane kancane. Okokuqala, thola imodeli enembile yezibalo ye-servo valve g771k201, okufanele ikwazi ukuchaza ngokunembile izici zokufaka nokukhipha ze-verso valve ngaphansi kwezimo ezihlukile zomsebenzi ngaphansi kwezimo zokusebenza ezahlukene. Ngemuva kwalokho, qhathanisa ukufakwa kwe-servo valve okungokoqobo nokukhipha idatha ngenani lokubikezela lemodeli. Uma ukuphambuka phakathi kwalokhu okubili kudlula umkhawulo osethiwe, kusho ukuthi i-servo valve ingaba ne-zero Bias Drift. Isibonelo, sebenzisa imodeli yenethiwekhi ye-neural ukumodela izici ze-servo valve, faka idatha yangempela eqoqwe kwimodeli yokubikezela, futhi wahlulele i-zero Bias Drift ngokuqhathanisa umehluko phakathi kwenani elibikezelwe nenani langempela. Le ndlela inokunemba okuphezulu nobuhlakani, kepha idinga inani elikhulu lemininingwane yokuhlola ukuqeqesha imodeli ukuqinisekisa ukuthembeka kwemodeli.

I-3. Indlela yokulinganisa ye-zero Bias Drift ye-servo valve g771k201

(I) ukulungiswa kokulungiswa kwemishini

Ukulinganisa ukulungiswa kwemishini kuyindlela eqondile yokulinganisa. OkweZero Bias Drift okubangelwa yizizathu zemishini ezifana ne-valve core isikhundla offset, ukulinganisa kungenziwa ngokulungisa isikhundla sokuqala somongo we-valve. Okokuqala, vula igobolondo elingaphandle le-servo valve futhi uthole indlela yokulungiswa kokulungiswa kwe-valve. Ngemuva kwalokho, sebenzisa amathuluzi ochwepheshe, njenge-sclardrivers eqondile, ukulungisa isikhundla se-valve core endaweni ebekiwe kanye ne-amplitude. Ngesikhathi senqubo yokulungiswa, hlanganisa indlela yokutholwa kwe-static ukukala inani le-gevias value ye-servo valve ngesikhathi sangempela kuze kube yilapho inani le-zero Bias lifinyelela ebangeni elicacisiwe. Ngemuva kokuthi ushintsho seluphothuliwe, qiniseka ukuthi indlela yokulungisa i-Valve Core alungiswa igxile ngokuqinile ukuvimbela ukuthuthwa ngesikhathi sokusebenza.

(Ii) ukulungiswa kwesinxephezelo sikagesi

Ukulinganisa isinxephezelo semali kagesi kusetshenziswa amasiginali kagesi ukunxephezela ngethonya le-zero Bias Drift. Ngokungeza umjikelezo wesipesheli noma i-algorithm yesoftware ohlelweni lokulawula, isiginali yokuphuma ye-servo valve ilungiswa ngesikhathi sangempela. Isibonelo, ngokuya nge-Hardware, isijikelezo sesinxephezelo ngokususelwa kwi-amplifier yokusebenza siklanyelwe ukukhiqiza isibonisi sesinxephezelo ngokuphambene ne-zero bias ngokusho kwenani lokulawula le-zero ukusungula ithonya le-servo valve ukuze lisuse ithonya le-servo valve. Ngokuya ngesoftware, ama-algorithms okulawula e-PID angasetshenziswa ukuze alungiswe ngamandla inani lesinxephezelo ngokuya ngedatha ye-zero ye-zero eqoqwe ye-zero ukwenza umphumela we-I-servo valveezindle kakhulu.

(Iii) Ukushintshwa Kwezakhi Eziyisihluthulelo Zokulinganisa

Uma kutholakala ngokutholwa ukuthi i-zero Bias Drift ibangelwa ukulimala noma ukuguga kwezinto ezithile ezisemqoka ngaphakathi kwe-servo valve, bese kufaka esikhundleni lezi zinto ziyindlela ephumelelayo yokulinganisa. Isibonelo, uma intwasahlobo inokukhathala okunwebekile, okuholela ku-zero Bias Drift, khona-ke intwasahlobo entsha idinga ukushintshwa. Lapho ungena esikhundleni sezingxenye, qiniseka ukuthi izingxenye ezikhethiwe zisezingeni elithembekile futhi ziyahambisana ngokuphelele nezincazelo zezingxenye zangempela. Ngemuva kokuthi okunye esikhundleni sekuqediwe, i-servo valve ihlolwe ngokugcwele futhi inconswa kabusha ukuze iqinisekise ukuthi ukusebenza kwayo kubuyela emazingeni ajwayelekile.

Ngokwamukela izindlela ezifanele zokutholwa, izinkinga ze-zero Bias Drift zingatholakala ngendlela efike ngesikhathi nangendlela efanele. OkweZero Bias Drift okubangelwa ngenxa yezizathu ezihlukile, i-servo valve ingalinganiswa ngempumelelo ngokusebenzisa ukulungiswa kwezimali okwenziwa ngogesi, nokufakwa esikhundleni kwezingxenye ezibalulekile zokulinganisa ukuze kuqinisekiswe ukuthi isebenza ngokuqinile futhi isebenza kahle ngohlelo lwe-turbine electro-hydraulic control system. Ngokwenza kuphela umsebenzi omuhle ekutholeni nasekulinganisweni kwe-zero Bias Drift ye-servo valve g771k201 inqubo esebenza kahle ye-turbine electro-hydraulic control syste ingaqinisekiswa, ukuhlinzeka ngesiqinisekiso esiqinile sokuqina kanye nokuthuthukiswa kokukhiqizwa kwezimboni.

Lapho ufuna ama-valves asezingeni eliphakeme, athembekile we-servo, akungabazeki ukuthi uYoyik ukhetha ukukhetha. Inkampani isebenza ngokukhethekile ekunikezeni imishini ehlukahlukene yamandla kubandakanya izesekeli ze-turbine, futhi ithole isimemezelo esibanzi ngemikhiqizo nezinsizakalo ezisezingeni eliphakeme. Ngeminye imininingwane noma imibuzo, sicela uxhumane nensizakalo yamakhasimende ngezansi:

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