Hanyar ƙimar baturi mai ƙarfi SOC?

ଲେଖକ: ଆଇଫ୍ଲୋପାୱାର - Портативті электр станциясының жеткізушісі

Tun da haɓaka fasahar baturi, yawancin hanyoyin da ake amfani da su don kimanta SOC sun riga sun faru. Akwai hanyoyin haɗin kai na yau da kullun na al&39;ada, juriya na ciki na baturi, hanyoyin gwajin fitarwa, hanyoyin ƙarfin lantarki na buɗewa, ƙarfin nauyi, da ƙarin sabbin hanyoyin tace Kalman. Ka&39;idar tunani mai ban mamaki da sadarwar jijiya, da sauransu.

A halin yanzu yana daya daga cikin hanyoyin kimanta SOC da aka fi sani a fagen sarrafa batir, kuma mahimmin shine kimanta SOC na baturin ta hanyar tarawa ko fitar da wutar lantarki ta hanyar tarawa ko fitarwa ta hanyar tarawa ko fitarwa. A lokaci guda, gwargwadon yawan fitarwa da zafin baturi. Takaitaccen diyya don kimanta SOC.

Idan an ayyana baturin a matsayin SOCT0 lokacin da baturin ya fara farawa a cikin caji kuma ya fitar da yanayin farko, to, batirin da ya rage karfin SOC bayan T shine: q, Q shine karfin baturi, kuma N shine caji da fitarwa, wanda kuma ake kira coulomb efficiency, ƙimarsa Ana ƙayyade cajin baturi da fitarwa, Ni ne halin yanzu na T. Hanyar da aka haɗa ta yanzu tana da sauƙi kuma abin dogaro fiye da sauran hanyoyin ƙididdige SOC, kuma ƙimar SOC na baturi za a iya ƙididdige shi, don haka ana amfani da shi sosai. Koyaya, wannan hanyar kuma tana da iyakoki guda biyu: ɗaya, hanyar haɗin kai na yanzu tana buƙatar ƙimar SOC ta farko ta batir a gaba, kuma tana tattara daidaitattun abubuwan da ke gudana a ciki ko daga cikin baturin, don yin kuskuren ƙididdigewa ya zama ƙarami gwargwadon yiwuwa; na biyu, Wannan hanya ta dogara ne kawai akan yanayin waje na baturin, kuma adadin fitar da baturi da kansa, girman tsufa, da caji da fitarwa na baturi SOC ba a kula da su zuwa wani ɗan lokaci.

Yin amfani da dogon lokaci kuma na iya haifar da faɗaɗa kuskuren ma&39;aunin, don haka ya zama dole a gabatar da maƙallan gyare-gyare masu alaƙa Gyara kurakuran tarawa. (2) Hanyar gwajin fitarwa Hanyar gwajin fitarwa ita ce ci gaba da fitar da fitarwa na yau da kullun har zuwa lokacin da ake yanke wutar lantarki na baturin, ninka lokacin da wannan tsarin fitarwa ya yi amfani da shi da girman ƙimar fitarwar yanzu, wato, ragowar ƙarfin baturin. Hanyar gabaɗaya tana amfani da wannan hanyar azaman hanyar daidaita batirin SOC ko a ƙarshen kiyaye baturin, kuma tana da sauƙi, abin dogaro, kuma sakamakon yana da inganci ba tare da sanin ƙimar SOC ba.

Duk yadda ya kamata. Koyaya, akwai gazawa guda biyu a cikin hanyar gwajin fitarwa: Na farko, tsarin gwajin wannan hanyar yana buƙatar lokaci mai yawa; na biyu, lokacin amfani da wannan hanyar, dole ne a cire baturin da aka yi niyya daga motar lantarki, don haka ba za a iya amfani da hanyar ba don lissafin baturin wutar lantarki a yanayin aiki. (3) Hanyar wutar lantarki mai buɗewa ta dogara ne akan canjin alakar da ke tsakanin buɗaɗɗen wutar lantarki na baturi da OCVOTAGE, OCV) da ma&39;auni na lithium ion na cikin baturi, kuma a kaikaice ya dace da ma&39;amalar da ke tsakaninsa da baturin SOC.

Lokacin yin aiki na ainihi, dole ne a fitar da baturin bayan an cika baturin tare da ƙayyadaddun fitarwa (yawanci 1c) har sai an dakatar da fitarwa, kuma an samu dangantaka tsakanin OCV da SOC bisa ga tsarin fitarwa. Lokacin da baturin ke cikin ainihin yanayin aiki, ana iya samun SOC baturi na yanzu ta hanyar nemo tebur mai alaƙa da OCV-SoC bisa ga ƙimar ƙarfin lantarki a ƙarshen baturin. Ko da yake hanyar tana da tasiri ga batura daban-daban, har ila yau tana da lahani: Na farko, baturin da aka yi niyya dole ne a bar shi ya tsaya fiye da sa&39;o&39;i 1 kafin auna OCV, ta haka ne daidai gwargwado rarraba na&39;urorin lantarki na ciki a cikin baturi don samun ingantaccen ƙarfin lantarki; na biyu, baturin yana yanayin zafi daban-daban Ko kuma lokacin rayuwa daban-daban, ko da yake buɗewar kewayawa iri ɗaya ce, ainihin SOC na iya bambanta, kuma sakamakon ma&39;aunin ba shi da tabbacin zama cikakken cikakken amfani na dogon lokaci na wannan hanyar.

Don haka, hanyar buɗaɗɗen wutar lantarki iri ɗaya ce da hanyar gwajin fitarwa, baya amfani da ƙimar batirin SOC mai gudana. (4) Hanyar tacewa Kalman Hanyar tacewa KALMAN wani sabon nau&39;in ingantattun bayanan koma bayan kai ne da aka tace a cikin "Sabbin Nasarar Tacewar Layi da Ka&39;idar Hasashen" a cikin 1960s. algorithm.

Ma&39;anar algorithm shine cewa ana iya inganta yanayin tsarin hadaddun tsarin aiki don yanayin tsarin hadaddun tsarin aiki bisa ga ka&39;idar mafi ƙarancin ma&39;ana. Tsarukan da ba na layi ba za su kasance masu layi a cikin tsarin sararin samaniya na tsarin a cikin hanyar tace Kalman. Lokacin da ainihin aikace-aikacen, ana sabunta tsarin tare da ƙimar da aka lura na lokacin yanzu, sannan kuma ƙimar da aka lura na lokacin yanzu.

Yanayin "Hasashen - Aunawa - Gyara", yana kawar da karkacewa da tsangwama na tsarin bazuwar. Lokacin da aka ƙididdige SOC na tashar wutar lantarki ta hanyar amfani da hanyar tace Kalman, baturin yana canzawa zuwa ƙirar sararin samaniya ta hanyar tsarin wutar lantarki, kuma SOC ya zama canjin yanayi a cikin ƙirar. Tsarin da aka kafa shine tsarin madaidaicin madaidaiciya.

Tun da hanyar tace Kalman ba kawai gyara kuskuren farko na tsarin ba, yana iya kawar da hayaniyar tsarin yadda ya kamata, don haka akwai ƙimar aikace-aikace mai mahimmanci a ƙididdigar SOC na batirin wutar lantarki a cikin yanayin aiki. Duk da haka, hanyar kuma tana da lahani mai maki biyu: ɗaya, hanyar tace Kalman yana ƙididdige daidaiton SOC ya dogara ne akan daidaiton samfurin baturi, halayen aiki da kansu batir ɗin batir ne mai ƙarfi, a cikin hanyar tace Kalman Bayan layin layi, babu makawa cewa babu kuskure, kuma idan samfurin ya kasance, sakamakon da aka kiyasta ba lallai ba ne abin dogara; na biyu, hanyar da ake amfani da ita tana da sarkakiya, adadin lissafin yana da yawa, kuma lokacin lissafin da aka ƙididdige ya fi tsayi, da kuma buƙatun aikin Hardware. (5) Hanyar hanyar sadarwar jijiyoyi Hanyar hanyar sadarwar jijiya ita ce kwakwalwar ɗan adam analog da neuron da ake amfani da ita don magance sabon nau&39;in algorithm don tsarin da ba na layi ba.

Ba ya buƙatar bincike mai zurfi na tsarin ciki na baturin, kawai cire adadi mai yawa na halayen aiki daga baturin da aka yi niyya a gaba. Shigar da ƙimar SOC a cikin gudu daga samfurin fitarwa kuma shigar da shi cikin tsarin da aka kafa ta amfani da hanyar. Hanyar tana da sauƙi a cikin aiki na gaba, wato, tana iya guje wa kuskuren hanyar tace Kalman yadda ya kamata don yin samfurin baturi a matsayin layi, kuma yana iya samun madaidaicin sigogi na baturi a ainihin lokacin.

Duk da haka, girman aikin da aka riga aka yi na hanyar sadarwar jijiyoyi yana da girma sosai, kuma ana buƙatar adadi mai yawa da cikakkun bayanai na samfurin samfurin don horar da tsarin. Hanyar bayanan horo da horo yana tasiri sosai akan ƙimar ƙimar SOC. Bugu da kari, a karkashin hadadden aiki na baturi zafin jiki, kai-fitarwa rabo da baturi tsufa, da hanyar da ake amfani da su kimanta da SOC darajar da wannan batu na baturi na dogon lokaci, da kuma daidaito zai zama babban rangwame.

Don haka, wannan hanyar ba ta zama ruwan dare gama gari ba a cikin aikin kimanta SOC na batirin wutar lantarki.