Huwandu hwema sensors huri kuwanda pamusoro penzvimbo dzepasi uye munzvimbo dzakatikomberedza, ichipa nyika data.Ama sensors anodhura ndiwo anofambisa kusimudzira kweInternet yezvinhu uye shanduko yedhijitari yakatarisana nenzanga yedu, zvakadaro ichisanganisa uye kuwana data kubva kuma sensors hakuwanzo enda kwakatwasuka kana nyore.Iripepa rinozivisa iyo sensor tekinoroji indekisi, 5 dhizaini hunyanzvi uye OEM mabhizinesi.
Chekutanga pane zvese, indekisi yehunyanzvi ndiyo hwaro hwenongedzo yekuratidzira mashandiro echigadzirwa.Zwisisa zvigadzirwa zvehunyanzvi, batsira kusarudzwa kwakaringana uye kushandiswa kwechigadzirwa. Zviratidzo zvembichana zvinonyanya kuongorora mashandiro eiyo sensor pasi pechimiro cheiyo static invariance, kusanganisira resolution, kudzokorora, kunzwisisika, mutsara, kudzoka kukanganisa, chikumbaridzo, chinokambaira, kugadzikana uye zvichingodaro. yekukurumidza shanduko, kusanganisira frequency mhinduro uye nhanho mhinduro.
Nekuda kwezvakawanda zvehunyanzvi zviratidzo zveiyo sensor, dzakasiyana data uye zvinyorwa zvinotsanangurwa kubva kwakasiyana mativi, kuitira kuti vanhu vakasiyana vanzwisise zvakasiyana, uye kunyangwe kusanzwisisana uye kusanzwisisika.
1, resolution uye resolution:
Tsanangudzo: Kugadziriswa kunoreva shanduko diki diki yakayerwa inoonekwa ne sensor. Kugadziriswa kunoreva kuenzana kwe Resolution kusvika pauzere hwechikero.
Dudziro 1: Kugadziriswa ndicho chiratidzo chakanyanya kukosha che sensor. Icho chinomiririra kugona kweiyo sensor kusiyanisa zvinhu zvakayerwa. Iwo mamwe maratidziro ehunyanzvi eiyo sensor anotsanangurwa maererano nesarudzo sediyimendi yeyuniti.
Kune ma sensors uye zviridzwa zvine dhijitari kuratidza, resolution inosarudza hushoma nhamba yemadhijiti kuti aratidzwe.Semuenzaniso, resolution yedhijitari yedhijitari caliper ndeye 0.01mm, uye iyo chiratidzo chikanganiso i ± 0.02mm.
Dudziro yechipiri: Kugadziriswa inhamba yakakwana nemayuniti, Semuenzaniso, gadziriso yeiyo tembiricha sensor iri 0.1 ℃, resolution yeanomhanyisa sensor iri 0.1g, nezvimwe.
Dudziro 3: Kugadziriswa ihwohwo hwunoenderana uye hwakafanana pfungwa kugadzirisa, zvese zviri zvinomiririra kugadziriswa kweiyo sensor kune chiyero.
Musiyano mukuru ndewekuti resolution yacho inoratidzwa sepesenti yekugadziriswa kwenzwi. Semuenzaniso, resolution yeiyo tembiricha sensor iri 0.1 ℃, yakazara yakazara ndeye 500 ℃, resolution iri 0.1 / 500 = 0.02%.
2. Kudzokorora:
Tsananguro: Kudzokorora kwesenzwi kunoreva mwero wemusiyano pakati pemiyero yekuyera kana kuyerwa kuchidzokororwa kakati wandei munzira imwechete pasi pechimiro chimwechete.
Dudziro 1: Kudzokororwazve kweiyo sensor kunofanirwa kuve muyero wemusiyano pakati pezviyero zvakawanda zvakawanikwa pasi pemamiriro akafanana.
Dudziro yechipiri: Kudzokorora kwesenzwi kunomiririra kupararira uye kusarongeka kwemiyero yezviyero zveiyo sensor. Chikonzero chekupararira kwakadai uye kusarongeka ndechekuti kukanganiswa kwakasiyana-siyana kusingarambiki kuripo mukati nekunze kwenzwi, zvichizoguma nezviyero zvekupedzisira zveiyo sensor kuratidza hunhu hwemhando dzakasiyana.
Dudziro 3: Iko kutsauka kwakazara kweiyo kusiana kusiana kunogona kushandiswa seyakareruka kuwanda kutaura.
Dudziro yechina: Kune akawanda akadzokororwa zviyero, chiyero chakakwirira cheyero chinogona kuwanikwa kana avhareji yezviyero zvese ikatorwa semhedzisiro yekuyera Mhedzisiro nekuti kutsauka kwakazara kweiyo chirevo kwakanyanya kudiki pane kutsauka kwese kwechiyero chimwe nechimwe.
3. Linearity:
Tsanagudzo
Dudziro 1: Iyo chaiyo inzwa yekuisa / yekuburitsa hukama inofanirwa kunge iine mitsara, uye yayo yekuisa / yekubuditsa curve inofanirwa kunge iri tambo yakatwasuka (mutsvuku mutsvuku mumufananidzo uri pazasi).
Nekudaro, iyo chaiyo sensor ine zvishoma kana zvishoma ine akasiyana siyana ekukanganisa, zvichikonzera iko chaiko kuisa uye kuburitsa curve haisi iyo yakanangana yakatwasuka tambo, asi rakakombama (iro girini rakakombama mumufananidzo uri pazasi).
Linearity ndiyo mwero wemusiyano pakati peicho chaicho chakakombama cheiyo sensor uye ye-off-line line, inozivikanwawo seisina kujeka kana isina mutsetse kukanganisa.
Dudziro yechipiri: Nekuti iwo musiyano uripo pakati peiyo chaiyo mamakisi einjini uye mutsetse wakaringana wakasiyana pahukuru hwakasiyana hwechiyero, iyo reshiyo yeiyo yakanyanya kukosha musiyano kune izere renhamba kukosha inowanzo shandiswa mune yakazara yakazara renji. , linearity zvakare iri hama yakawanda.
Dudziro 3: Nekuti iyo chaiyo tambo yeiyo sensor isingazivikanwe kune yakajairwa muyero mamiriro, haigone kuwanikwa Nechikonzero ichi, nzira yekubvumirana inowanzo gamuchirwa, ndiko kuti, zvakananga kushandisa zviyero zviyero zveiyo sensor kuverenga iyo yakakodzera tambo. Iyo chaiyo nzira dzekuverenga dzinosanganisira yekupedzisira-poindi tambo nzira, yakanakisa mutsara nzira, zvishoma square nzira uye zvichingodaro.
Kugadzikana:
Tsananguro: Kugadzikana kugona kwesenzura kuchengetedza kushanda kwayo kwenguva yakati rebei.
Dudziro 1: Kugadzikana ndiyo indekisi huru yekuongorora kana iyo sensor inoshanda mushe mune imwe nguva renji.Zvinhu zvinotungamira mukusagadzikana kweiyo sensor zvakanyanya zvinosanganisira kupisa kwekushisa uye mukati kushushikana kusunungurwa Saka, zvinobatsira kuwedzera tembiricha muripo. uye kurapwa kwekukwegura kunatsiridza kugadzikana.
Dudziro yechipiri: Kugadzikana kunogona kuganhurwa kuita kugadzikana kwenguva pfupi uye kugadzikana kwenguva refu zvinoenderana nehurefu hwenhambo yenguva.Kana nguva yekucherechedza iri ipfupi, kudzikama uye kudzokorora kuri padhuze.Saka, index yekudzikama inonyanya kuongorora iyo yakareba -term kugadzikana Iyo chaiyo urefu hwenguva, zvinoenderana nekushandiswa kwenzvimbo uye zvinodiwa kuti uone.
Dudziro 3: Zvese kukanganisa kwakazara uye kukanganisa kwakaringana kunogona kushandiswa kumutsara wehuwandu hwekudzikama indekisi Semuenzaniso, dhizaini yemhando yesimba sensor ine kugadzikana kwe0.02% / 12h.
5. Sampling frequency:
Tsanangudzo: Sample Rate inoreva nhamba yemipimo yezviyero inogona kutorwa ne sensor pane imwe nguva nguva.
Dudziro 1: Iyo sampling frequency ndiyo yakanyanya kukosha chiratidzo chemasimba akasimba eiyo sensor, inoratidza kukurumidza kupindura kugona kweiyo sensor. Zvinoenderana nemutemo weshanduro yaShannon, iyo sampling frequency yeiyo sensor haifanire kunge iri pasi pekaviri nguva yekuchinja kweyakaenzana.
Dudziro yechipiri: Nekushandisa kweakasiyana mafambiro, iko iko kuita kweiyo sensor kunosiyanawo zvichiteerana.Zvakawanda kutaura, iyo yakakwira iyo sampling frequency, iyo inoderedza iyo chaiyo yekuyera.
Kururamisa kwepamusoro kweiyo sensor kunowanzo kuwanikwa pane yakaderera sampling yekumhanyisa kana kunyangwe pasi peyakagadzika mamiriro Naizvozvo, iko kurongeka uye nekumhanyisa kunofanirwa kutariswa mukusarudzika kwenzwi.
Matipi mashanu ekugadzira maseru
1. Tanga nechombo chebhazi
Sekutanga nhanho, mainjiniya anofanira kutora nzira yekutanga kubatanidza sensor kuburikidza nechombo chebhazi kugadzirisa zvisingazivikanwe. Chombo chebhazi chinobatanidza komputa yako (PC) uyezve kune iyo sensor I2C, SPI, kana imwe protocol inobvumira iyo sensor kuti "utaure" .P PC application inosanganisirwa nechishandiso chebhazi chinopa chinozivikanwa uye chinoshanda sosi yekutumira nekugamuchira dhata isiri inozivikanwa isingazivikanwe, isingazivikanwe yakadzamidzirwa microcontroller (MCU) mutyairi. Unogona kutumira nekutambira mameseji kuti unzwisise mashandiro echikamu ichi usati waedza kushanda padanho rakamisikidzwa.
2. Nyora kodhi yekufambisa yekufambisa muPython
Kamwe kana mugadziri aedza kushandisa sensors yebhazi turu, danho rinotevera kunyora kodhi yekushandisa kune ma sensors, panzvimbo yekusvetuka wakananga kune microcontroller kodhi, nyora kodhi yekushandisa muPython. zvinyorwa, izvo Python inowanzo tevera. -level kodhi ichaita kuti zvive nyore kune vasina-kumisikidzwa mainjiniya kumigodhi zvinyorwa zvemabvunzo uye bvunzo pasina kutarisirwa kweyakaiswa software injinjini.
3. Edzai sensor ne Micro Python
Imwe yemabhenefiti ekunyora iyo yekutanga kodhi yekushandisa muPython ndeyekuti kunyorera kunyorera kuBus-utility application Programming interface (API) inogona kuchinjika kunze nekufonera Micro Python. sensors kune mainjiniya kuti vanzwisise kukosha kwayo. Micro Python inomhanya paCortex-M4 processor, uye inzvimbo yakanaka kubva pakubvisa kodhi yekushandisa.Hazvisi nyore chete, hapana chikonzero chekunyora madhiraivha eI2C kana SPI pano, sezvo akatovharwa muMicro Python raibhurari.
4. Shandisa iyo kodhi yemutengesi
Chero sampuro kodhi iyo inogona "kubvamburwa" kubva kune inogadzira sensor, mainjiniya anofanirwa kuenda nenzira refu kuti anzwisise mashandiro anoita sensor. Nehurombo, vatengesi vema sensor vazhinji havazi nyanzvi mune yakadzika software dhizaini, saka usatarisira kuwana gadzira-wakagadzirira muenzaniso weakanaka mapurani uye runako. Ingoshandisa iyo kodhi yemutengesi, dzidza mashandiro echikamu ichi, uye kushungurudzika kwekutarisa kuchamuka kusvikira kwanyatsobatanidzwa mune yakadzamirwa software.Inotanga se "spaghetti", asi ichisunga vagadziri. 'Kunzwisisa mashandiro ema sensors avo kuchabatsira kutapudza pavhiki dzakawanda dzakaparara chigadzirwa chisati chatanga.
5.Shandisa raibhurari ye sensor fusion mabasa
Mikana ndeyekuti, iyo sensor yekufambisa interface haina kutsva uye haina kumboitwa kare.Maraibhurari anozivikanwa ezvese mabasa, senge "Sensor Fusion basa Raibhurari" inopihwa nevazhinji vagadziri vechip, batsira vanogadzira kudzidza nekukurumidza, kana kunyangwe zvirinani, uye vadzivise ma sensors mazhinji anogona kusanganisirwa mumhando dzese kana zvikamu, uye mhando idzi kana zvikamu zvinoita kuti kusimudzira kwakanaka kwevatyairi iyo, kana ikabatwa nemazvo, ingangoita yepasirese kana isingashandisike zvakare. sensor fusion mabasa uye dzidza kwavo kusimba uye kushaya simba.
Kana ma sensors akabatanidzwa mune zvakadzamidzirwa masisitimu, kune nzira dzakawanda dzekubatsira kusimudzira dhizaini nguva uye nyore kwekushandisa.Vagadziri havagone "kuenda zvisirizvo" nekudzidza mashandiro anoita maseru kubva padanho repamusoro rekubvisa pakutanga kwekugadzira uye usati waazvibatanidza. Mazhinji ezve zviwanikwa zviripo nhasi zvinobatsira vanogadzira "kurova pasi kumhanya" vasina kutanga kubva pakutanga.
Post nguva: Aug-16-2021