I. Gabatarwa ga sadarwa
masu kera cajin tashar motaYa ce: Sadarwa, kuma amfani da kalmar sadarwa, wasu mutane yi imani da cewa wasika ne son zuciya sakamakon, yayin da labarai ni'imar da tsari da kuma hanyar, amma babu ze zama da yawa bambanci a cikin manufar categorization ba zai iya tafi tangled. Ko wasiƙu ne ko sadarwa, ana amfani da sigina iri-iri, kamar wutar lantarki, magnetism, haske, da sauransu, don isar da bayanan da za a bayyana zuwa inda aka nufa. Misali mai sauki, idan akwai dalibai biyu da ke zaune a Ginin 1 da Ginin 2, sun tattauna cewa idan sun ga farar riga, za su tsallake aji tare a yau. Anan za'a iya sauƙaƙa kamar yadda, a cikin wani yanayi na musamman, farar shirt = tsallake aji tare, ya dace da ka'idar sadarwa, ban da ayyuka da yawa da ke ciki: 1. farar rigar rataye 2. duba farar riga 3. hasken rana don ganin shirt, bi da bi, daidai da ka'idar sadarwa na encoding, decoding, tashar. Tabbas, ainihin rayuwar sadarwar, don zama mafi rikitarwa fiye da misalin farar shirt, buƙatar tabbatarwa, kwanciyar hankali, tattalin arziki da sauran ra'ayoyi don yin la'akari da zaɓin tashar tashar, da kuma farashin ɓoyewa da ƙaddamarwa. kayan aiki da sauransu, alal misali, za mu iya zaɓar 4G na hanyar sadarwar sadarwa ta Intanet na Abubuwa, amma farashin yana da yawa, kuna iya barin wasu daga cikin kwanciyar hankali, don zaɓar hanyar sadarwar sadarwar Intanet ta Intanet ta GPRS.
masu kera cajin tashar motaYa ce: Bugu da ƙari ga ainihin ayyuka na yarjejeniya, codeing da tashar da aka ambata a sama, wani muhimmin al'amari a cikin sadarwar IOT shine yin lamba don asali da inda aka nufa na kowane bayani, wato, bayyana a fili WAYE WANE, ta lambar. zai iya gano kowace na'ura a duniya a asali da inda aka nufa, kuma ta hanyar da ta dace, sanya bayanan bisa ga wata hanya da za a watsa tsakanin su biyun. Wannan shi ake kira “addressing”, wanda ya fara da yadda ake sanya adireshi, kuma ya ci gaba da yadda ake barin siginar ta sami adireshin inda aka nufa ta hanyar takamaiman dokoki.
masu kera cajin tashar motaYa ce: Mahimman ra'ayoyin adireshi guda biyu a cikin sadarwar IoT sune adireshin IP da adireshin MAC. Adireshin IP shine adireshin da tsarin Intanet ke amfani dashi, yayin da adireshin MAC shine adireshin da ka'idar Ethernet ke amfani dashi. kowane kumburi na Ethernet yana da adireshi na 48-bit na musamman na duniya, wanda ƙungiyar IEEE ke sarrafawa, kuma adireshin MAC yana ƙone cikin kowane katin cibiyar sadarwa ta masu kera katin. Mai kera katin cibiyar sadarwa yana ƙone adireshin MAC a cikin kowane kati, adireshin MAC ɗin na musamman ne kamar lambar katin shaida. dangantakar taswirar taswira tsakanin adireshin MAC da adireshin IP koyaushe ana ƙaruwa da sabuntawa ta kowane mai masaukin baki, wanda ya zama “tebur taswirar adireshin”, kuma ana kwatanta adireshin IP da lambar kofa. Don haka na'urar da ke da katin ID na MAC1, na iya yau a cikin lambar ƙofar IP1 don zama, kuma gobe a cikin lambar ƙofar IP2 don zama, na'urar katin ID guda MAC2 na iya zama a cikin IP1 don zama.
Kwatankwacin adiresoshin IP sune adiresoshin URL (Uniform Resoure Locator), ma'ana Uniform Resoure Locator, yana nufin adireshin fayilolin Intanet akan gidan yanar gizon, URLs suna amfani da lambobi da haruffa a wani takamaiman adireshin don tantance adireshin, URLs dole ne a canza su zuwa lambobin kofa. (watau adiresoshin IP) ta sabobin DNS don nemo inda aka sanya fayil ɗin akan sabar akan gidan yanar gizo.
II. Sadarwa Tarin Mota
masu kera cajin tashar motace: 1. CAN sadarwa tsakanin abin hawa da DC tari bisa GB/T 27930-2023
masu kera cajin tashar motaya ce: CAN ita ce takaitaccen tsarin sadarwa na Controller Area Network, wanda kamfanin BOSCH, wani kamfanin kasar Jamus ya shahara wajen kera kayayyakin lantarki da kera motoci, kuma daga karshe ya zama matsayin kasa da kasa (ISO11898), kuma yana daya daga cikin filin da aka fi amfani da shi. bas a duniya. A Arewacin Amurka da Yammacin Turai, yarjejeniyar bas ta CAN ta zama daidaitaccen bas don tsarin sarrafa kwamfuta na kera motoci da LANs masu sarrafa masana'antu, kuma yana da ka'idar J1939 da aka tsara don manyan manyan motoci da manyan motocin injina tare da CAN a matsayin ƙa'idar.
masu kera cajin tashar motaYa ce: A halin yanzu, Sin da Japan suna amfani da sadarwar bas ta CAN a cikin caji mai sauri a DC. A cikin ma'aunin mu, an kwatanta madaidaicin kwararar cajin DC kamar haka: kammala haɗin jiki - ƙaramar ƙarfin ƙarfin ƙarfin wutan lantarki - musafaha na hannu - daidaita siga - caji - sadarwa kafin ƙarshen - ƙarshen caji.
masu kera cajin tashar motaya ce: Bayan ƙananan ƙarfin wutar lantarki da aka taimaka, abin hawa da tari sun shiga lokacin sadarwa har zuwa ƙarshe. A cikin tsarin sadarwa, abin hawa da kuma bayanan canja wurin bayanai tsakanin juna, muna kiransa "saƙo", mai zuwa yana dogara ne akan ma'anar ma'anar ma'anar saƙon ƙasa, wanda ya fara da C don bayanan cajin, B yana farawa da abin hawa. Bayanin VCU, BMS, ta waɗannan ma'anoni, za mu iya sanin cewa tsarin caji, abin hawa lantarki da caje tari kusan abin da ake buƙatar musanya tsakanin su.
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Lokacin aikawa: Agusta-01-2024
