Mu Steam Turbine Electro-Hydraulic Control,serva valaG771k201 imagwira ntchito yovuta kwambiri, ndipo magwiridwe ake amagwirizana mwachindunji ndi kulondola kwa dongosolo lonse. Komabe, zero bis amayendetsa phenomenon ali ngati "mzimu" womwe umangowopseza ntchito ya servo, kenako imakhudza magwiridwe antchito a Turbine Excro-Hydraulic dongosolo. Chifukwa chake, ndi yofunikira kwambiri kumvetsetsa mozama za zero bias drifton wa servo Valve g771k201 ndi njira njira zodziwika bwino ndi njira zodziwika bwino.

1. Kusanthula kwa Zero Bias drift phenomenon wa serva vala g771k201

Mizere ya zero ya serfa valve g771k20101, munthawi yomweyo, imatanthawuza komwe pakutuluka kapena kukakamizidwa si zero pomwe palibe chowongolera. The zero Bias Drift imatanthawuza kusintha kwamitengo ya zero ya zero iyi ndikusintha kwa nthawi, kutentha, kuthamanga kwa dongosolo ndi zinthu zina.

Pali zinthu zambiri zomwe zimapangitsa Zero Bias Drift. Kuchokera mkati mwazinthu zamkati, kuvala kwa zinthu zamkati mwa servo valavu ndi chifukwa chachikulu. Mwachitsanzo, pambuyo poti kugwiritsidwa ntchito kwa nthawi yayitali, chilolezo chofananira pakati pa valavu ya valavu imatha kusintha, chifukwa chosintha mu kutaya kwamadzi, komwe kumapangitsa zero bias. Kuphatikiza apo, kulephera kwa masika sikunganyalanyazidwe. Pakukukulitsa kwa nthawi yayitali komanso njira yotsutsana, kuphatikiza kokwanira kwa kasupe kumatha kusintha, kumakhudza malo oyamba a valavu, potero ndikupangitsa zero bias. Kuchokera pakuwona zinthu zakunja, kutentha kutentha kumakhala ndi vuto lalikulu pa zero Bias drift. Kusasinthasintha kwa kutentha kumapangitsa kuti matenthedwe ochulukirapo azinthu mu valmo valavu, ndikupangitsa kuti malo omwe apezekanso amasintha, potero kuchititsa zero kumasintha. Kuphatikiza apo, kusakhazikika kwa zovuta za dongosolo kungapangitsenso Zero Bias. Kusintha kwa kukakamizidwa kumabweretsa mphamvu yowonjezera pa valavu yowonjezerayi, kupangitsa kuti ipatuke ku malo oyamba a zero.

2. Njira yodziwika ya zero bias drift wa serva valve g771k201

(I) Njira yodziwika bwino

Njira yodziwika bwino ndiyo njira yoyambira komanso yodziwika bwino. Dongosolo likakhala mu State State, zida zaluso, monga kuwongolera kwambirikuponya masensaNdipo ma senso amakoka, amagwiritsidwa ntchito poyesa kuthana ndi kutulutsa kwa Servo pomwe palibe chowongolera. Choyamba, cholumikizira mothandizira Servo Vaude ku dispection kuti muwonetsetse kuti dongosololi lili pamalo oyambira. Kenako, lembani kukakamiza ndi zotuluka zomwe zimayesedwa ndi sensor panthawiyi, zomwe ndiye mfundo zoyambira zamisala zero. Pansi pamikhalidwe yosiyanasiyana, monga kutentha kosiyana komanso chinyezi zingapo, kumayesa kangapo ndikufanizira deta yoyeza. Ngati pali kusinthasintha kwachidziwikire mu data, ndipo pamasamba osinthira omwe apitilira muyeso, ndiye kuti zitha kukhala zodziletsa kuti a Jeruvo valavu ali ndi zero bias.

(Ii) Njira yodziwikiratu

Njira yodziwikiratu imatha kuwonetsa kwenikweni zero Bias valavu ya serva pakugwira ntchito kwenikweni. Pa nthawi yomwe imagwiritsa ntchito dongosolo, chizindikiro chowongolera, kutuluka kwamphamvu ndi magawano a valve valve kumasonkhanitsidwa munthawi yeniyeni pogwiritsa ntchito dongosolo la zopeza za deta. Posanthula izi zamphamvu izi, onetsetsani kuti kutuluka ndi kupanikizika kumasintha mozungulira mtengo wokhazikika pomwe chizindikiro cha kuwongolera ndi zero. Njira zosinthira monga kusanthula kowoneka bwino kumatha kugwiritsidwa ntchito posanthula pafupipafupi komanso matalikidwe a kusinthasintha. Ngati matalikidwe osintha ndi akulu ndi pafupipafupi ndipo pafupipafupi kumawonetsa nthawi ina kapena kusasamala, ndiye kuti zikuwonetsa kuti serva valve ikhoza kukhala ndi zero bias. Mwachitsanzo, dongosololi litayamba kuyenda kwakanthawi kwakanthawi, zimapezeka kuti kutuluka kwake kumakhala ndi kusinthasintha kwakanthawi pomwe chizindikiro chowongolera ndi zero. Pambuyo pa kusanthula ndi kupatula zinthu zina zosokoneza, zikuwoneka kuti zero zokoma za vallo valavu zatha.

(III) Njira Yodziwikiratu

Ndi chitukuko cha malingaliro amakono owongolera ndi ukadaulo wamakompyuta, njira zodziwikiratu zatsankho pang'onopang'ono zagwiritsidwa ntchito kwambiri. Choyamba, khazikitsani mtundu wolondola wa masamu wa serva valve g771k201, yomwe iyenera kufotokozera molondola zomwe zathandizira ndikutulutsa zomwe zimachitika munthawi yosiyanasiyana. Kenako yerekezerani zomwe zasonkhanitsidwa zenizeni za serbo ndi deta yotulutsa ndi mtengo wolosera. Ngati kupatuka pakati pa ziwirizi kupitirira pakhomo lolowera, zikutanthauza kuti valavu ya sero ikhoza kukhala ndi zero bias drift. Mwachitsanzo, gwiritsani ntchito mawonekedwe a network kuti mumve zomwe zili mu valva valavu, ikanitsani zomwe zimapangidwira nthawi yomwe idasonkhanitsidwa, ndikuweruza zero bias drift ya mtengo wonenedweratu komanso mtengo wake. Njirayi imakhala yolondola kwambiri komanso luntha, koma imafunikira deta yambiri yoyesera kuti muphunzitse mtunduwu kuti mutsimikizire kudalirika kwa fanizoli.

3. Njira Yophunzitsa Zero Bias Druit wa serva Valve g771k201

(I) Kusintha kwamakina

Kusintha kwamakina kusinthidwe ndi njira yachitetezo. Kwa zero bias drift yoyambitsidwa ndi zifukwa zopangira monga valavu yolumikizira, yofunika imatha kuchitidwa ndikusintha malo oyamba a valavu. Choyamba, tsegulani chipolopolo chakunja cha serva ndikupeza njira yosinthira ValV Vore. Kenako, gwiritsani ntchito zida zaukadaulo, monga zolondola monga zolondola, kuti musinthe mawonekedwe a valavu ya valavu yomwe ili m'manja mwake ndi matalikidwe. Panthawi yosintha, phatikizani njira yodziwika yodziwirayi kuti muyeze phindu la zero la valva vala munthawi yeniyeni mpaka Mtengo wa Zeo Bias umafika pamtengo. Pambuyo posintha, onetsetsani kuti njira yosinthira valavu imakhazikika kuti mupewe kuchoka pakugawidwa.

(Ii) Kubwezera kwamagetsi

Kachikulu wamagetsi umagwiritsa ntchito magetsi ogwiritsa ntchito magetsi kuti abwezeretse chisonkhezero cha ziro bias. Powonjezera madera obwezera kapena mapulogalamu algorithm kupita ku makina owongolera, chizindikiro chotulutsa cha servo valalo chimakonzedwa munthawi yeniyeni. Mwachitsanzo. Pankhani ya mapulogalamu, mafomu a PID akhoza kugwiritsidwa ntchito molingana ndi kuchuluka kwa nthawi yeniyeni yomwe mwapezaserva valakhola.

(Iii) m'malo mwa zigawo zazikulu za utsogoleri

Ngati zapezeka kudzera mu zero bias chiswe limayambitsidwa ndi kuwonongeka kapena kukalamba za zigawo zina zazikulu mkati mwa servo, kenako ndikusintha zigawozi ndi njira yofunika kwambiri. Mwachitsanzo, ngati masika ali ndi kutopa kwa zitsulo, zomwe zimapangitsa Zero Bias Drift, ndiye kuti kasupe watsopano amayenera kusinthidwa. Mukasinthanitsa magawo, onetsetsani kuti magawo osankhidwa ali odalirika ndipo amagwirizana kwambiri ndi magawo a mbali zomwe zidayambira. Pambuyo polowedwa, valavu ya serwa imayesedwa kwathunthu ndikusinthanso kuti awonetsetse kuti ntchito yake ibwererenso.

Mwa kulandila njira zoyenera kuzindikirika, mavuto a Zero Bias amapezeka m'njira ya panthawi yake komanso molondola. Kwa zero bias drift yoyambitsidwa ndi zifukwa zosiyanasiyana, valavu ya servo imatha kukhala yodziwika bwino pogwiritsa ntchito makina osinthika, ndikusinthanso kwa zigawo zazikuluzikulu komanso movomerezeka mu dongosolo la Turbine Excro-Hydraulic System. Pokhapokha pogwira ntchito yabwino pofufuza ndi kuwongolera kwa zero bias rave g771k20101

Mukayang'ana ma valove apamwamba kwambiri, oik mosakayikira ndiyesa mosakayikira kusankha yoyenera kuganizira. Kampani imagwira ntchito yopanga zida zamphamvu kuphatikizapo matenthedwe a Steal Turbine, ndipo wayatsa zibwenzi ndi ntchito zosiyanasiyana. Kuti mumve zambiri kapena kufunsa, chonde lemberani ntchito yamakasitomala pansipa:

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