Bus ishobora iki?

A. Sisitemu ya bisi igizwe na byinshi byingenzi Ibikoresho, buriwese ufite uruhare runini mugushoboza kwizerwa itumanaho rikurikirana hagati y'ibikoresho. Gusobanukirwa ibi bice bifasha injeniyeri nabatekinisiye gushushanya neza, kubohereza, no gukemura ibibazo umugenzuzi w'akarere Sisitemu muri Porogaramu zitandukanye - kuva gusuzuma ibinyabiziga Kuri gutangiza inganda.

1. Igenzura rya elegitoroniki (ECU)

Uwiteka ECU ni microcontroller igikoresho gishingiye kuri software ikora imirimo yihariye nko kugenzura moteri, ABS, cyangwa kumurika. Ikinyabiziga gishobora kuba kirimo ECU nyinshi, zose zivuga hejuru ya URUBUGA.

2. URASHOBORA kugenzura

Iki gice gikora logique ya URASHOBORA, harimo gushiraho ubutumwa, kugenzura amakosa, hamwe n'ubukemurampaka. Microcontrollers nyinshi zigezweho zubatswe URASHOBORA kugenzura, koroshya igishushanyo cya sisitemu.

3. URASHOBORA Kwimura

Uwiteka URASHOBORA ihindura ibimenyetso bya digitale ya digitale kuva mugenzuzi ibimenyetso bitandukanye bya voltage kuri bisi ya CAN (CAN Hejuru na CAN Hasi). Yakira kandi ibimenyetso biva muri bisi ikabisubiza kuri mugenzuzi. Transceiver iremeza ihererekanyamakuru rikomeye ndetse no muri urusaku rw'ibidukikije.

4. Gutwara bisi no guhagarika

CAN bus irashobora gukoresha insinga zahinduwe kubera kwanga urusaku. Buri mpera ya bisi igomba kugira a 120-ohm kurangiza gukumira ibimenyetso byerekana no kwemeza ubunyangamugayo.

Shingiro CAN Bus Bus Topology Incamake:

Muguhuza ibyo bice, a Sisitemu ya bisi itanga igisubizo kinini, cyigiciro cyiza kuri itumanaho nyaryo kuri sisitemu yashyizwemo. Izi nyubako zubaka zigize umusingi utabarika imodoka, ubuvuzi, na inganda zirashobora gusaba bisi.

URASHOBORA Imiterere ya Porotokole

Uwiteka URASHOBOKA bus isobanura uburyo bwitumanaho bwizewe, bwuzuye-bwitumanaho bukoreshwa cyane muri imiyoboro yimodoka, abagenzuzi b'inganda, na sisitemu yashyizwemo. Muri rusange, CAN ni a ubutumwa-bushingiye kuri protocole—Node yohereza ubutumwa burimo indangamuntu namakuru, ntabwo ari aderesi itaziguye. Iyi miterere iratera imbere guhinduka, imikorere-nyayo, na Ubunini bwa sisitemu.

Ubwoko bwa CAN Frames

1. Ikadiri yamakuru - Itwara sensor nyayo cyangwa igenzura amakuru

2. Ikadiri ya kure - Gusaba amakuru kuva kurundi

3. Ikosa Ikadiri - Yerekana ikosa ryagaragaye kuri bisi

4. Kurenza Ikadiri - Itanga igihe cyinyongera mbere yo gusubiza

Bisanzwe na Imiterere Yagutse Ikadiri

Buri kimwe URASHOBORA ikurikira ibisobanuro Imiterere-bito:

• Gutangira Ikadiri (SOF): Gutangiza ubutumwa

• Ikiranga: Yerekana ubutumwa bwambere (agaciro kari hasi = hejuru cyane)

• Umwanya wo kugenzura: Kugaragaza uburebure bwamakuru (0-8 bytes muri classique ya CAN)

• Umwanya wamakuru: Ifite ubutumwa bwishura

• Umwanya wa CRC: Iremeza ubudakemwa bwamakuru

• ACK Umwanya: Yemeza ubutumwa bwakiriwe nizindi ngingo

• Iherezo rya Frame (EOF): Shyira ahagaragara ubutumwa bwuzuye

Igihe cyagenwe na Syncronisation

Uwiteka Igihe asobanura igihe buri biti bimara kumurongo kandi bigira ingaruka igipimo cya baud (mubisanzwe 125 kbps kugeza kuri 1 Mbps). Guhuza neza hagati yumutwe byemeza neza amakuru yatanzwe, ndetse no hakurya amashanyarazi urusaku rwibidukikije.

Mugushyigikira ubukemurampaka, gutahura amakosa, na Gushyira imbere, i CAN protocole imiterere ituma détinistinistique, itumanaho ryihuta muri sisitemu zagabanijwe-bigatuma biba byiza kuri Igihe-Igenzura Porogaramu mu binyabiziga, robotike, no gukoresha uruganda.

Porogaramu Zisanzwe za CAN Bus

Uwiteka Sisitemu ya bisi ikoreshwa cyane mu nganda zisaba kwiringirwa, itumanaho nyaryo hagati y'ibikoresho bya elegitoroniki byakwirakwijwe. Mu ntangiriro yagenewe sisitemu yo kugenzura ibinyabiziga, CAN bus kuva yahindutse protocole ishingiro muri gutangiza inganda, ibikoresho bya elegitoroniki, imashini z'ubuhinzi, na sisitemu yo mu nyanja.

1. Porogaramu yimodoka

Mu modoka, URASHOBORA gutumanaho ihuza byinshi Ibice bigenzura ibikoresho bya elegitoronike (ECUs) kubufatanye butagira ingano ya sisitemu ikomeye. Gucunga imirimo nka:

• Kugenzura moteri

• Sisitemu yo kohereza

• Feri yo kurwanya gufunga (ABS)

• Ikoreshwa ry'indege

• Kurwanya ikirere

• Sisitemu yo kumurika no gutanga amakuru

Mugushoboza ibyo bice gusangira amakuru hejuru ya a umugozi umwe, CAN bus igabanya insinga zingana, itezimbere kwisuzumisha, kandi ikazamura imikorere yumutekano.

2. Gutangiza inganda

Mu ruganda, URASHOBORA ni Byakoreshejwe Kuri Guhuza Abagenzuzi ba PLC, Rukuruzi, Abakoresha, na amaboko ya robo. URASHOBORA itumanaho rigena iremeza igihe nyacyo cyo kugenzura no kugenzura igihe nyacyo, cyane cyane iyo bihujwe na protocole yo mu rwego rwo hejuru nka CANopen cyangwa Igikoresho.

3. Ibikoresho byubuvuzi nubuhinzi

CAN bus irashobora kwizerwa amashusho yubuvuzi, ibikoresho byo gukurikirana abarwayi, na sisitemu yo kwinjiza kubera kwihanganira amakosa na ubunyangamugayo bwamakuru. Mu buhinzi, irashyigikira Imashini ziyobowe na GPS, abasaruzi, na spray muguhuza ECUs na sensor hirya nohino yibidukikije.

4. Gukoresha inyanja no hanze yumuhanda

Porotokole nayo iratera imbere ibikoresho bya elegitoroniki (urugero, sisitemu ya NMEA 2000) hamwe nibinyabiziga biremereye nka imashini zubaka na amakamyo, aho ubudahangarwa bw'urusaku na ibimenyetso bikomeye ni ngombwa.

Ibyiza byo gukoresha bisi ya CAN

Mugihe URASHOBOKA bus ni iyobora Kuri igihe nyacyo cyashyizwemo itumanaho, ni ngombwa kumva uburyo igereranya nibindi bipimo byitumanaho bikurikirana nka LIN, Ethernet, RS-485, na Modbus. Buri protocole ifite imbaraga nimbogamizi zidasanzwe bigatuma irushaho gukoreshwa mubikorwa byihariye.

1. URASHOBORA NA LIN (Umuyoboro waho uhuza)

LIN bus ni byoroshye, umwe-shobuja, protokole imwe-imwe ikoreshwa kubiciro bidahenze, byihuse-byihuta nka Idirishya cyangwa Guhindura Intebe. Ugereranije na CAN:

Koresha Urubanza: URASHOBORA guhitamo imirimo ikomeye, mugihe LIN ikoreshwa kuri Ibihe-Byihariye imirimo.

2. URASHOBORA NA Ethernet

Ethernet itanga umurongo mwinshi cyane (100 Mbps kugeza 1 Gbps +) kandi igashyigikira amakuru manini yishyurwa, ariko ikabura igihe cyagenwe na kwihanganira amakosa ya CAN.

• URASHOBORA ni byiza kuri guhanura, itumanaho rito

• Ethernet indashyikirwa muri amakuru-yibanze cyangwa igicu gihujwe na porogaramu

3. URASHOBORA na RS-485 / Modbus

RS-485 ni itandukaniro, byinshi-bitonyanga bisanzwe bikoreshwa hamwe na Modbus protocole. Birazwi muri gutangiza inganda, ariko ikabura ibyubatswe gutahura amakosa, ubukemurampaka, na guhinduka ya CAN.

Ejo hazaza h'ikoranabuhanga rya bisi

Nka sisitemu yashyizwemo hamwe ninganda zikoresha inganda zikomeza gutera imbere ,. URASHOBOKA bus nayo irimo guhinduka kugirango ihuze ibyifuzo bishya. Mugihe CAN ikomeza gukoreshwa cyane, udushya nka URASHOBORA FD (Igipimo cyoroshye cya Data) no guhuza CAN hamwe Imiyoboro ishingiye kuri IoT na Ethernet barimo gutegura ejo hazaza Sisitemu y'itumanaho.

1. Kuzamuka kwa CAN FD

URASHOBORA FD yagura ubushobozi bwa Classic CAN mugushyigikira:

• Amakuru manini yishyurwa (kugeza kuri 64 bytes)

• Igipimo cyo hejuru cyamakuru (kurenga 1 Mbps)

• Kunoza imikorere ya protocole

Ibi bituma sisitemu yohereza amakuru aruhije cyane, igufasha gukoresha sisitemu igezweho yo gufasha-gutwara (ADAS), gucunga bateri, na kugenzura inganda.

2. Kwishyira hamwe na Ethernet na IoT

Mugihe ibinyabiziga n'imashini bigenda bihuza, CAN bus ni Birenzeho Kuri Inzira ya Ethernet, kwemerera amakuru koherezwa kure cyane cyangwa yinjijwemo Igicu gishingiye ku isesengura urubuga.

Koresha imanza zirimo:

• Gucunga amato hamwe no kwisuzumisha kure

• Guteganya guteganya binyuze muri sensor ya IoT

• Ubuhinzi bwubwenge hamwe nikiraro cya CAN-Ethernet

3. Ibisubizo byumutekano byongerewe

Urebye impungenge zikura hirya no hino URASHOBORA kwibasirwa na bisi, sisitemu izaza irimo gukoreshwa:

• Ubuhanga bwo kwemeza ubutumwa

• Ibanga ryibanga

• Kurinda amarembo hamwe numuriro

4. Uruhare mu binyabiziga byigenga n'amashanyarazi

Ibigezweho ibinyabiziga by'amashanyarazi kandi byigenga shingira cyane itumanaho nyaryo hagati ya ECUs, sensor, hamwe na moteri. URASHOBORA FD, hamwe na guhuza ibihe-igihe (TSN) na Ethernet umugongo, byitezwe ko bizakomeza kuba urwego rukomeye muri ubu bwubatsi.

Guha imbaraga Inganda zawe ZISHOBORA Gusaba Bus hamwe na SINSMART Mudasobwa Yinganda

Buri cyitegererezo cyakozwe na ubugari bwagutse DC yinjiza, amahitamo adafite abafana, na ibyambu byinshi—Ikindi guhuza imiyoboro ya CAN cyangwa amakarita yo kwagura. Inkunga ya Mini PCIe, PCIe yuzuye, na imbere GPIOs itanga ibintu byoroshye CAN interineti ihuza, nka:

• URASHOBORA kuri USB module

• PCIe ishingiye kubintu bibiri / quad CAN adaptator

• Mini PCIe ASHOBORA amakarita yo kwagura hamwe no kwigunga

Kuki Hitamo SINSMART kuri CAN Bus zisaba?

• Inganda zo mu rwego rwo hejuru ahantu habi

• Kwaguka byoroshye kugirango yakire intera yihariye ya CAN

• Gutunganya igihe inkunga hamwe nubukererwe buke bwashyizwemo

• Iyegeranye, yubatswe neza yo gushyiramo akabati no gushyiraho ibinyabiziga

Niba wubaka an Umugenzuzi wa AGV, a imashini-imashini itumanaho, cyangwa a irembo, SINSMART PC yinganda menya neza ko sisitemu ya bisi ya CAN ikorana nayo igihombo gito, kwihanganira amashanyarazi menshi, na Gukomeza gukora cyane.

Kuriibisobanuro birambuye cyangwa ibisubizo byihariye, nyamuneka hamagaraSINSMART'sitsinda ryunganira.