Ukadaulo Wolumikizirana wa IoT
Intaneti ya Zinthu (IoT), kapena "Intaneti ya Chilichonse," ndi lingaliro la zipangizo zosiyanasiyana zakuthupi—kuyambira zoyezera kutentha ndi makamera mpaka makina ndi magalimoto a fakitale—zolumikizana ndi intaneti kuti zitumize ndikulandira deta. Kuti IoT igwire ntchito bwino, imafunika "mlatho" wofunikira: ukadaulo wolumikizirana. Popanda kulumikizana koyenera, zipangizo za IoT sizingathe kutumiza chidziwitso mwachangu, motetezeka, komanso moyenera. Nkhaniyi ikufotokoza za ukadaulo wolumikizirana wa IoT, njira zodziwika bwino za netiweki, ndi zinthu zofunika kwambiri posankha ukadaulo woyenera kwambiri.
1. N’chifukwa chiyani ukadaulo wolumikizirana wa IoT ndi wofunika kwambiri?
IoT sikuti imangokhudza zipangizo zanzeru zokha, koma imayang'ana momwe deta imayendera: zipangizo zimayesa malo awo, kenako zimatumiza deta ku dongosolo lapakati (seva kapena mtambo), lomwe kenako limaisanthula ndikutumiza yankho. Zonse zimadalira luso lolankhulana. Mavuto olankhulana a IoT amasiyana ndi kulankhulana kwa intaneti chifukwa zipangizo zambiri za IoT:
– Ili ndi mphamvu yochepa (batire yaying'ono ndipo iyenera kukhala nthawi yayitali).
- Tumizani deta yaying'ono koma yokhazikika (monga mphindi iliyonse kapena ola lililonse).
- Kugwira ntchito m'malo ovuta (pansi pa nthaka, m'madera akumidzi, kapena m'mafakitale).
- Imafuna kuchedwa kochepa nthawi zina (monga kuwongolera loboti kapena galimoto).
- Iyenera kukhala yotetezeka chifukwa ikugwirizana ndi deta yachinsinsi komanso kuwongolera chipangizo.
Chifukwa chake, ukadaulo wolumikizirana wa IoT wakula kukhala mitundu yambiri: kuyambira pa ma short range otsika mphamvu mpaka ma cellular ndi ma satellite network.
2. Magulu Aakulu a Ukadaulo Wolumikizirana wa IoT
Kawirikawiri, mauthenga a IoT akhoza kugawidwa m'magulu kutengera zofunikira pamtundu ndi mphamvu:
1. Yosavuta kugwiritsa ntchito: yoyenera nyumba zanzeru, maofesi, zovala, ndi masensa amkati.
2. Malo apakati mpaka ataliatali (aatali / aatali): oyenera mizinda yanzeru, ulimi, zoyendera, ntchito zamakampani, ndi mafakitale.
3. Yochokera ku mafoni (IoT ya m'manja): yoyenera kuyenda kwambiri komanso kufalikira m'njira zosiyanasiyana.
4. Si zapadziko lapansi (satellite): zoyenera madera akutali opanda zomangamanga.
Gulu lililonse lili ndi kusiyana pakati pa kuchuluka kwa deta, mphamvu zomwe zimagwiritsidwa ntchito, kuchuluka kwa deta, mtengo wake, ndi zovuta zake.
3. Ukadaulo Wolumikizirana wa IoT wapafupi ndi malo
a. Wi-Fi
Wi-Fi ndi yotchuka chifukwa chakuti zinthu zake zili kale m'nyumba ndi m'maofesi. Ubwino wake ndi monga kuthamanga kwambiri komanso kugwiritsa ntchito intaneti mosavuta. Komabe, Wi-Fi nthawi zambiri imakhala ndi mphamvu zambiri, zomwe zimapangitsa kuti ikhale yosayenerera masensa ogwiritsa ntchito mabatire omwe amafunika kukhala kwa zaka zambiri.
Zitsanzo za kagwiritsidwe ntchito: Makamera a IP, ma speaker anzeru, zipangizo zanzeru zapakhomo zomwe nthawi zonse zimalumikizidwa ndi magetsi.
b. Bluetooth ndi Bluetooth Low Energy (BLE)
Bluetooth yakale ndi yoyenera kusamutsa deta ya mawu ndi yapafupi, pomwe BLE idapangidwa kuti izitha kugwiritsa ntchito mphamvu moyenera. BLE imagwiritsidwa ntchito kwambiri muzovala, masensa azaumoyo, ndi zida zomwe zimatumiza deta yochepa nthawi ndi nthawi.
Zitsanzo za kagwiritsidwe ntchito: smartband, sensor ya kugunda kwa mtima, beacon ya malo ku malo ogulitsira kapena nyumba yosungiramo zinthu zakale.
c. Zigbee ndi Ulusi
Zigbee ndi njira yolumikizirana maukonde yomwe nthawi zambiri imagwiritsidwa ntchito m'nyumba zanzeru. Ndi netiweki ya maukonde, zipangizo zimatha kutumizana ma phukusi a deta, kukulitsa kufalikira popanda kuwonjezera mphamvu yotumizira. Ulusiwu uli ndi lingaliro lofanana, lomangidwa pa IPv6, ndipo nthawi zambiri limakambidwa mu dongosolo lamakono la nyumba zanzeru.
Zitsanzo za kagwiritsidwe ntchito: magetsi anzeru, masensa a zitseko/mawindo, AC kapena chowongolera kutentha.
d. NFC ndi RFID
NFC imagwiritsidwa ntchito polumikizana pafupi kwambiri (kukhudza kapena mkati mwa masentimita ochepa). RFID nthawi zambiri imagwiritsidwa ntchito pozindikiritsa chinthu popanda kukhudza, monga makadi olowera kapena kutsatira zinthu. Kwa IoT, RFID ndi yothandiza kwambiri pazinthu zomwe zili m'sitolo ndi zogulira.
Zitsanzo za kagwiritsidwe ntchito: kutsatira zinthu m'nyumba yosungiramo katundu, makadi olowera, njira zolipirira zopanda kukhudza.
4. Ukadaulo wa LPWAN (Network Yochepa ya Mphamvu Yaikulu)
LPWAN yapangidwira zipangizo zomwe zimafuna kugwiritsa ntchito mphamvu zochepa komanso kulumikizana kwakutali, ngakhale pamtengo wotsika wa data. Ukadaulo uwu ndi wabwino kwambiri pa masensa omwe amatumiza deta yochepa yokha (monga momwe ilili, kutentha, chinyezi) kangapo patsiku.
a. LoRa ndi LoRaWAN
LoRa ndi ukadaulo wosinthira wailesi wautali, pomwe LoRaWAN ndi njira yolumikizirana yomwe imagwiritsa ntchito. Ubwino wake ndi monga kugwiritsa ntchito nthawi yayitali, kugwiritsa ntchito mphamvu zochepa, komanso kuthekera kopanga ma netiweki achinsinsi (monga masukulu, madera amafakitale, kapena minda). Zoyipa zake ndi monga kugwiritsa ntchito kochepa ndipo nthawi zambiri sikoyenera kugwiritsa ntchito deta yayikulu monga makanema.
Zitsanzo za kagwiritsidwe ntchito: ulimi wanzeru, masensa oyezera kusefukira kwa madzi, kuyang'anira ubwino wa mpweya, mita ya madzi.
b. Sigfox
Sigfox ndi netiweki ya LPWAN yokhala ndi chitsanzo cha wogwiritsa ntchito. Imatumiza deta yochepa kwambiri, koma imapereka kufalikira kwakukulu ndipo imagwiritsa ntchito mphamvu zochepa. Kupezeka kwake kumadalira kufalikira kwa wogwiritsa ntchito m'dera linalake.
Zitsanzo za kagwiritsidwe ntchito: kutsata katundu, masensa osavuta a momwe zinthu zilili (oyatsa/ozimitsa), ma alamu akutali.
5. IoT Yochokera pa Netiweki ya Mafoni
Cellular imapereka chithandizo chachikulu komanso kuyenda bwino, zomwe zimapangitsa kuti ikhale yokopa anthu ambiri omwe amagwiritsa ntchito njira za IoT. Komabe, mtengo wa ma module ndi kugwiritsa ntchito mphamvu ziyenera kuganiziridwa.
a. NB-IoT (Narrowband IoT)
NB-IoT yapangidwa kuti igwirizane ndi masensa opanda mphamvu zambiri, kulowa bwino kwa ma signali (monga mkati mwa nyumba kapena pansi pa nyumba), komanso ndalama zochepa zogwirira ntchito. Ndi yoyenera zida zosasunthika zomwe zimatumiza deta nthawi ndi nthawi.
Zitsanzo za kagwiritsidwe ntchito: kuyeza magetsi/gasi mwanzeru, masensa oimika magalimoto, kuyang'anira thanki.
b. LTE-M (Cat-M1)
LTE-M imathandizira kuchuluka kwa deta kuposa NB-IoT ndipo ndi yoyenera kwambiri pazida zomwe zimafuna kulumikizana pafupipafupi kapena kuyenda. Imaperekanso kuchedwa kwabwino pa mapulogalamu ena.
Zitsanzo za kagwiritsidwe ntchito: zovala zovalidwa zokhala ndi maulumikizidwe odziyimira pawokha, kutsatira magalimoto, zida zachitetezo.
c. 4G/5G ya IoT
4G makamaka 5G imapereka mphamvu zambiri komanso kuchedwa kochepa. 5G imathandizira mapulogalamu a IoT omwe amafunikira kuyankhidwa mwachangu, monga makina odziyimira pawokha a mafakitale, maloboti, ndi magalimoto olumikizidwa. Komabe, kugwiritsa ntchito mphamvu ndi mtengo wa chipangizo nthawi zambiri kumakhala kokwera kuposa LPWAN.
Zitsanzo za kagwiritsidwe ntchito: makamera owunikira pogwiritsa ntchito mafoni, magalimoto odziyimira pawokha, makina a fakitale omwe amachitikira nthawi yeniyeni.
6. Kulankhulana kwa IoT kudzera pa Satellite
Kwa madera akutali monga nyanja, nkhalango, mapiri, kapena madera amigodi omwe ali ndi netiweki yochepa, ma satellite ndi yankho. Ntchito zama satellite zomwe kale zinali zodula komanso zodalira mphamvu, za IoT tsopano zikupezeka, zomwe zimapereka magwiridwe antchito ambiri, ngakhale kuti zimakhala zodula kuposa ma netiweki apadziko lapansi.
Zitsanzo za kagwiritsidwe ntchito: kutsatira zombo, kuyang'anira mapaipi a mafuta/gasi, katundu m'malo akutali.
7. Ma Protocol a Application Layer: MQTT, CoAP, ndi HTTP
Kuwonjezera pa "media" yolumikizirana (Wi-Fi, cellular, LoRa), IoT imadaliranso njira zotumizira deta pamlingo wogwiritsira ntchito.
– MQTT (Message Queuing Telemetry Transport): yotchuka kwambiri mu IoT chifukwa ndi yopepuka ndipo imagwiritsa ntchito njira yofalitsa/kulembetsa. Ndi yoyenera masensa ndi zipangizo zambiri zomwe nthawi zambiri zimatumiza telemetry.
– CoAP (Constrained Application Protocol): yofanana ndi HTTP koma yopepuka, yoyenera zipangizo zomwe zili ndi zinthu zochepa.
– HTTP/HTTPS: yosavuta kugwiritsa ntchito komanso yogwirizana kwambiri, koma yolemera kuposa MQTT/CoAP pazida zochepa.
Kusankha protocol iyi nthawi zambiri kumatsimikizira kugwira ntchito bwino, kukula, komanso kusavuta kuphatikizidwa mumtambo.
8. Kudziwa Zinthu Zofunika Posankha Ukadaulo Wolumikizirana wa IoT
Palibe ukadaulo "wabwino kwambiri" pazochitika zonse. Nazi zinthu zina zomwe nthawi zambiri zimagwiritsidwa ntchito posankha zomwe mungasankhe:
1. Malo ochitira zinthu: mkati, kusukulu, mumzinda, kapena m'maiko osiyanasiyana?
2. Kugwiritsa ntchito mphamvu: batire iyenera kukhala nthawi yayitali bwanji?
3. Kuchuluka kwa deta ndi kuchuluka kwake: deta yaying'ono nthawi zina kapena kutsitsa?
4. Kuchedwa: kodi mukufuna yankho lenileni kapena ayi?
5. Ndalama: ma module a chipangizo, zolembetsa za ogwiritsa ntchito, ndi ndalama zolowera.
6. Kukula: ndi zipangizo zingati zomwe zidzayikidwe?
7. Chitetezo: kubisa, kutsimikizira, ndi kasamalidwe ka satifiketi.
8. Mkhalidwe wa chilengedwe: mafakitale okhala ndi phokoso lamagetsi, zipinda zapansi, kapena malo otseguka.
Mwachitsanzo, pa chipangizo choyezera kutentha pa famu chomwe chimatumiza deta mphindi 30 zilizonse, LoRaWAN kapena NB-IoT nthawi zambiri zimakhala zabwino. Komabe, pa kamera yachitetezo yomwe imafuna kanema, Wi-Fi kapena 4G/5G ndizomveka.
9. Zochitika Zamtsogolo mu Ukadaulo Wolumikizirana wa IoT
Kupita patsogolo, kulumikizana kwa IoT kudzayang'ana kwambiri pakuphatikizana kwa ma netiweki osiyanasiyana: zida zimatha kusintha kapena kusankha netiweki yabwino kwambiri kutengera momwe zinthu zilili (monga Wi-Fi kunyumba, mafoni akunja). Kuphatikiza apo, zowonjezera chitetezo kuyambira kumapeto mpaka kumapeto, kasamalidwe ka zida zakutali, ndi makompyuta a m'mphepete zidzakhalanso zofunika kwambiri. Kuwerengera kwa m'mphepete kumalola kuti ntchito zina zichitike pafupi ndi gwero la deta, kuchepetsa ndalama zochedwa komanso bandwidth.
Kumbali ya miyezo, njira yogwiritsira ntchito nyumba zanzeru ikusinthanso kuti igwirizane kuti zipangizo zochokera ku mitundu yosiyanasiyana zitha kulumikizana mosavuta.
Mapeto
Ukadaulo wolumikizirana ndiye maziko a IoT. Kuyambira pa Wi-Fi ndi BLE ya mapulogalamu afupiafupi, Zigbee/Thread ya ma netiweki a mesh, ndi ma LPWAN monga LoRaWAN ya kuphimba kwamphamvu kwambiri, mphamvu zochepa, mpaka NB-IoT, LTE-M, ndi 4G/5G ya kuphimba kwa mafoni ndi kufunikira kwakukulu kwa deta—zonsezi zili ndi ntchito zawo. Kusankha ukadaulo kuyenera kuganizira zofunikira pakugwiritsa ntchito, kugwiritsa ntchito mphamvu, kuchuluka, mtengo, chitetezo, ndi mtundu wa deta yomwe ikutumizidwa. Ndi kuphatikiza koyenera kwa ukadaulo wolumikizirana, IoT ikhoza kukhala yankho lothandiza komanso lothandiza m'nyumba, m'mafakitale, m'mizinda, komanso m'madera akutali.
Ngati mukufuna, nditha kusintha nkhaniyi kuti igwirizane ndi nkhani inayake (monga mzinda wanzeru, makampani opanga zinthu, ulimi, kapena nyumba zanzeru) ndikuwonjezera maphunziro a zitsanzo ndi mndandanda wa mabuku.
