Nhau - Basic Bast Pfungwa uye Kushandiswa kweTof (Nguva yeFlight) System

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Iyi nhevedzano inovavarira kupa vaverengi neyakadzika uye inofambira mberi nzwisiso yenguva yekubhururuka (tof) system. Zviri mukati mevhu inovhara kutarisiridzwa kweTof masisitimu, kusanganisira tsananguro dzakadzama dzezvose zvisina kufanira tof (iyo) uye yakananga tof (dtof). Izvi zvikamu zvinodedera mumarongero emashiripiti, zvadzo zvakanakira uye zvakashata, uye zvakasiyana-siyana algorithms. Chinyorwa ichi chinoongororawo zvikamu zvakasiyana zveTof masisitimu, zvakadai seyakagadziriswa cavity yekubvisa lasers (vcsels), kutapurirana uye kugamuchira sensors secis, apd, spad, spm, uye mutyairi, uye mutyairi wemutyairi wakaita seasics.

Nhanganyaya yeTof (nguva yekubhururuka)

Nheyo dzakakosha

Tof, akamira kwenguva yekubhururuka, inzira yakashandiswa kuyera chinhambwe nekuverenga nguva yainotora kuti mwenje uende kune imwe nzvimbo iri pakati nepakati. Iyi nhungamiro inonyorwa inonyorwa mune chaiyo tof zviitiko uye zvakananga. Maitiro acho anosanganisira sosi yechiedza ichiburitsa danda rechiedza, nenguva yekubuda yakanyorwa. Chiedza ichi chinobva charatidza chinhu chakabatwa, chinobatwa neanogamuchira, uye nguva yekugamuchira inozivikanwa. Musiyano munguva dzino, zvinonyorwa se t, inosarudza chinhambwe (d = kumhanya kwechiedza (c) × T / 2).

Mhando dzeTof Sensors

Kune marudzi maviri ekutanga e tof sensors: Optical uye electromagnetic. Optical tof sensors, ayo akajairika, anoshandisa mwenje pulses, kazhinji mune infrared range, nekuda kwekureba kwekureba. Aya mapuru anoburitswa kubva ku sensor, funga kubvisa chinhu, uye adzokere ku sensor, uko nguva yekufamba inoyerwa uye yaishandiswa kuverenga kure. Mukupesana, Electromagnetic tof sensors shandisa mafungu electromagnetic, seRadar kana Lidar, kuyera kure. Ivo vanoshanda pane imwe nheyo imwechete asi shandisa imwe svikiro yeKuyera kwekureba.

Zvikumbiro zveTof Sensors

Tof Sensors vari vaviri uye vakabatanidzwa muminda yakasiyana-siyana:

Robotic:Inoshandiswa pakuonekwa kwechipinganidzo uye kufamba. Semuenzaniso, marobhoti senge roombba uye boston deynamics 'atlas vanoshandisa tof yakadzika makamera ekugadzira nzvimbo yavo uye kuronga mafambiro avo.

Systems Systems:Zvakajairika mukufamba sensors kuti vaone kupinda mukati, maarmy ekuraramisa, kana kuishandisa kamera masisitimu.

Indasitiri yemotokari:Yakabatanidzwa mumutyairi-inobatsira masisitimu ekushongedza cruise cruise kudzora uye kudzivisa kudzivisa, kuve kuwedzera kuwanda mumhando nyowani yemotokari.

Medical munda.

Vatengi vezvematengi.

Drones:Inoshandiswa kuti udzivise, kudzivisa kudzivisa, uye mukugadzirisa zvakavanzika uye zvekunetseka zvekushandisa

Tof System Architecture

Iyo yakajairika tof system ine zvikamu zvinoverengeka zvakakosha kuti uwane kuyerwa kwekureba sekutsanangurwa:

· Transmitter (TX):Izvi zvinosanganisira laser mwenje sosi, kunyanya aVcsel.
· Receiver (RX):Iyi ine ma lenss uye mafirita pakupedzisira, sensors secis, spad,
·Simba Management:Kugadzirisa kugadzikanaYazvino kutonga kweVCMELS uye yakakwira voltage yetsvina yakakosha, inoda kusimba simba manejimendi.
· Software Layer:Izvi zvinosanganisira firmware, SDK, OS, uye kushandira layer.

Iyo yekuzvivakwa inoratidza kuti Laser Beam, anobva kuVCRES uye yakagadziridzwa neye Optical zvikamu, inofamba kuburikidza neyakagadzirirwa chinhu, uye inodzokera kune inogamuchira. Nguva yekupera kuverenga mune iyi maitiro inoratidza kure kure kana kudzika ruzivo. Nekudaro, ichi chivakwa hachina kuvhara nzira dzekuririra, senge sosi-inokonzeresa ruzha kana ruzha-nzira ruzha kubva pakuratidzwa, izvo zvinokurukurwa gare gare munhevedzano.

Kuiswa kweTof masystem

TOF Systems inonyanya kuvezwa neyekureba kwekuyera nzira: Direct tof (dtof) uye zvisina kujairika tof (iyo), imwe neimwe netauro yakasarudzika uye algorithmic nzira. Nhau dzekutanga dzinogara dzinotaura zvadzo misimboti usati waneta mukuongororwa kwekufananidza kwezvakanakira zvavo, matambudziko, uye maratidziro esirongwa.

Pasinei nechiratidzo chinoita sechisimba cheTof - kuburitsa mwenje wechiedza uye kuona kudzoka kwaro kuti uverengere kure - kuoma kunzwisisa kuri mukusanganisa mwenje unodzokera kubva kuEmbmient Chiedza. Izvi zvinogadziriswa nekubvisa mwenje wakakwana wakajeka kuti uwane sighm signal-kusvika-ruzha ratio uye kusarudza yakakodzera wavelengths kuti ideredze mwenje wekuvhiringidza. Imwe nzira ndeyekugonder to constise mwenje yekuzviita kuti iite kuti isasiyane nekudzoka, yakafanana nemasaini masaini nehembe.

Nhevedzano dzichienderera kuenzanisa dtof uye: Kukurukurirana kusiyana kwavo, zvakanakira, uye zvinowedzera zvakadzama zvichienderana nekuoma kweruzivo rwavanopa, kubva ku1D tof tof tof.

Dtof

Direct tof zvakananga matanho ekuti ndege yePhotoni. Chikamu chayo chakakosha, iyo imwe Photon Avalanche diode (SPAD), inotaridzika zvakakwana kuti ione imwechete maficha. Dtof anoshandisa nguva yakachinjika single phon yekuverenga

It

Inyirect tof yaverengeka nguva yekubhururuka zvichienderana nesiyano pakati pebitured uye yakagamuchira mavheti, kazhinji ichishandisa kuenderera mberi masaini kana pulse modulation masaini. Icho chinogona kushandisa standard chigadziko sensor yekuzvivakwa, kuyera kuwanda kwekushushikana nekufamba kwenguva.

It off yakawedzera kuiswa pasi mukuenderera mberi wave modulation (CW-ITF) uye kudhonzwa) CW-ITEF matanho ekuchinja kwechivhura pakati pekusunungurwa uye akagamuchira sinusoidal mafungu, nepo pussed-iyo dent kuverenga depu shift uchishandisa square masaini masaini masaini.

Refu Read:

Wikipedia. (ND). Nguva yekubhururuka. Kudzoserwa kubvahttps://en.wikipedia.org/wiki/Time_OF_F_FLLTHLE
Sony Sony Sony Solutions Group. (ND). Tof (nguva yekubhururuka) | Tekinoroji yakajairika yemufananidzo sensors. Kudzoserwa kubvahttps://www.sonyony-secomon.com/en/Tochnologies/tof
Microsoft. (2021, February 4). Intro kuMicrosoft nguva yekubhururuka (tof) - azure yakadzika platform. Kudzoserwa kubvahttps://deravbloglogs.micvebloggs.com/azure-depth-platform/intro-Tro-Toro-f-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight-flight -
Escatec. (2023, Kurume 2). Nguva yekubhururuka (tof) sensors: yakadzika-yakadzika kutarisa uye application. Kudzoserwa kubvahttps://www.serns-flight-in-over-over-OdView

Kubva pawebhu pejihttps//faster-than-t-light.net/tofsystem_c1/

neMunyori: Chao Guang

Disiki:

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