Imbali yohlaziyo
| Inguqulelo | Uhlaziyo Imbali | Umhla |
| R1 | Uhlelo Lokuqala | NgoFebruwari 2020 |
| I-R1.1 | I-SNRSTAT: hlaziya inkcazo ye-InstalState | NgoJuni 2020 |
| I-R1.2 | 2.2 Iimpawu eziphambili: yongeza uze usulungekise iinkcukacha | Agasti 2020 |
| I-R1.3 | Yongeza iiparamitha kwicandelo 2.25.1: yongeza amanqaku okusetyenziswa kwemodyuli | Okt. 2020 |
| I-R1.4 | Yongeza inkcazo yestencil ye-SMT | NgoJuni 2021 |
| I-R1.5 | Hlaziya unikezelo lwamandla eVCC kunye neV_BCKP | Agasti 2021 |
| I-R1.6 | Yongeza iNqaku kwiCandelo 5.2 | Novemba 2021 |
| I-R1.7 | Ukuba isiqalo esishushu asisetyenziswanga, qhagamshela iV_BCKP kwiVCC. Itshiphu ye-GNSS efanelekile ngokwe-AEC-Q100. Hlaziya i-VSWR kwicandelo 2.2 | Novemba 2022 |
Ilungelo lokushicilela
© Copyright 2009-2022 Unicore Communications, Inc. Onke amalungelo agciniwe. Akukho nxalenye yolu xwebhu inokuphinda iveliswe okanye igqithiswe ngayo nayiphi na indlela okanye ngayo nayiphi na indlela, i-elektroniki okanye ngomatshini, kubandakanywa ukufotokopa nokurekhoda, ngayo nayiphi na injongo ngaphandle kwemvume ebhaliweyo yomnini welungelo lokushicilela.
Ukuzihlangula
Imixholo yolu xwebhu ixhomekeke kuhlaziyo ngaphandle kwesaziso ngenxa yenkqubela phambili eqhubekayo kwindlela yokusebenza, ukuyila nokuvelisa, kwaye ayimeli ukuzibophelela kwicala le-Unicore Communications, Inc. Ulwazi oluqulethwe kule ncwadana kukholelwa ukuba luyinyani kwaye luchanekile. ngexesha lokupapashwa.
Product Overview
Ububanzi
Olu xwebhu luchaza ulwazi lwe-hardware, ukufakwa, ukucaciswa kunye nokusetyenziswa kwe-UNICORECOMM UM220-INS iimveliso zechungechunge.
Abaphulaphuli
Olu xwebhu lujonge ukunikezela ngaphezuluview yeemveliso ze-UNICORECOMM UM220-INS. Abaphulaphuli kulindeleke ukuba babe nobuchule kubamkeli be-GNSS.
Intshayelelo
Ingcaciso yeMveliso
Iimveliso zechungechunge ze-UM220-INS (kubandakanywa ne-UM220-INS NL, UM220-INS NF) ziimodyuli ze-GNSS + MEMS zenkqubo ezimbini ezenzelwe ukuhamba ngemoto ngokusekelwe kumandla aphantsi e-UNICORECOMM GNSS SoC - UFirebird (UC6226). Ngee-axis ezintandathu ze-MEMS, kunye nenkxaso ye-multi-system joint positioning okanye i-single-system standalone positioning, i-UM220-INS imveliso yochungechunge inokuvelisa i-GNSS + MEMS isiphumo se-inertial positioning ngokuqhubekayo nakwiitonela kunye neegaraji ezingaphantsi komhlaba.
I-chip ye-GNSS kwimodyuli ye-UM220-INS ifanelekile ngokwe-AEC-Q100, kwaye inkqubo yokuvelisa ihambelana ne-IATF 16949.
Umfanekiso 2-1 UM220-INS Iimodyuli zothotho (icala lasekhohlo: UM220-INS NL, kwicala lasekunene: UM220-INS NF)
UM220-INS Series Iimodyuli Incwadi Yomsebenzisi
|
Ukwahluka |
IBanga | Inkqubo* | Ujongano | IdathaHlaziya Ixabiso* | ||||||
| Ubungcali | Iimoto | IGPS | BDS* | IGLONASS* | UGalileo | QZSS | UART1 | UART2 | ||
| UM220-INS NL | ● | ● | ● | ● | ● | ● | ● | ● | 1Hz | |
| UM220-INS NF | ● | ● | ● | ● | ● | ● | ● | ● | 1Hz | |
Iimodyuli zothotho lwe-UM220-INS zixhasa iindlela ezininzi zokumisa kubandakanya indawo edibeneyo kunye nokumiswa okuzimeleyo:
- GPS L1+SBAS+QZSS
- GPS+GLONASS+Galileo+SBAS+QZSS
- GPS+BDS+Galileo+SBAS+QZSS (imowudi ehlala ikho)
- BDS
I-QZSS kunye ne-SBAS zifumaneka kuphela xa iGPS yenziwe yasebenza
- Inkqubo ye-BDS ayikwazi ukusebenza ngokuhambelana nenkqubo ye-GLONASS.
- Izinga lohlaziyo lwedatha olungagqibekanga lwemodyuli yi-1Hz, enokuthi iqwalaselwe kwi-10Hz.
Ezona mpawu
| Amandla | |
| Umqulutage | +3.0V ~ 3.6V VDC |
| Ukusetyenziswa kwamandla1 | 90mW |
| RF Igalelo | |
| Ukuphindaphinda | 1559 ~ 1605MHz |
| Ngena kwiVSWR | ≤2.5 |
| I-Impedans yegalelo | 50Ω |
| I-Antenna Gain | 15~30dB |
| Abalinganiswa Bomzimba | |
| Ubungakanani | 16.0mm*12.2mm*2.6mm |
| Okusingqongileyo | |
| Ubushushu bokusebenza | -40℃ ~ +85℃ | |||||
| Ubushushu boGcino | -45℃ ~ +90℃ | |||||
| Igalelo/ Isiphumo Idatha Ujongano | ||||||
| UART | UART*2, LVTTL.Baud Ixabiso: 4800~460800bps | |||||
| I-GNSS Ukusebenza | ||||||
|
Ukuphindaphinda |
BDS B1: 1561.098MHz GPS L1: 1575.42MHzGLONASS L1: 1602+0.5625*k (MHz)
Galileo E1: 1575.42MHz |
|||||
|
TTFF (Ixesha lokulungisa kuqala) |
GPS+GLO+GA | GPS+BD+GA | ||||
| I-Cold Start Hot Start Reacquisition AGNSS | 30s 1s 1s 5s | 30s 1s 1s 5s | ||||
| Ukuma ngokuChaneka2 | GPS+GLO+GA | GPS+BD+GA | ||||
| 2m | 2m | |||||
| Ukuchaneka kwesantya (RMS) | GPS+GLO+GA | GPS+BD+GA | ||||
| 0.02m/s | 0.01m/s | |||||
|
Uvakalelo |
GPS+GLO+GA | GPS+BD+GA | BD | IGPS | GLO | |
| Ukulandela umkhondo | -161dBm | -161dBm | -159dBm | -161dBm | -158dBm | |
| Ukufumana | -147dBm | -147dBm | -144dBm | -147dBm | -142dBm | |
| Ukuqala okuShushu | -154dBm | -154dBm | -149dBm | -154dBm | -148dBm | |
| Ukufumana kwakhona | -157dBm | -157dBm | -156dBm | -157dBm | -153dBm | |
| Impazamo yeNdawo yeDR | uchwethezo. Isi-3% somgama ohanjiweyo kunye ne-GNSS outage | |||||
| Ukuphindaphindwa kweXesha Umqondiso wePulse | 1Hz | |||||
| Elona nqanaba lokuHamba ngesantya esiphezulu (Ireyithi yoMlinganiso) | 10Hz | |||||
| UkuLatensi kokuNavigation | 100ms ngokwesiqhelo | |||||
| Esona santya siPhumayo soMyalezo woMlinganiselo weSensor | 10Hz |
| Ukuchaneka kwexesha leSignali yePulse | I-RMS 30ns (GPS + BD) 99% 50ns (GPS + BD) |
| Iziphumo zeDatha3 | NMEA 0183, Unicore Protocol |
|
Imida yokuSebenza |
Dynamics ≤ 4g Ubude 50000m Isantya 515m/s |
Ujongano
UART
UM220-INS iimodyuli zothotho zixhasa amazibuko amabini e-UART aqwalaselweyo. I-COM1 yi-port ye-serial ephambili, exhasa ukuhanjiswa kwedatha kunye nomsebenzi wokuphucula i-firmware, igalelo lomqondiso / imveliso yi-LVTTL. Izinga le-baud elingagqibekanga li-115200bps, kwaye linokuqwalaselwa ukuya kuthi ga kwi-460800bps. Qinisekisa ukuba i-COM1 iqhagamshelwe kwiPC okanye kwiprosesa yangaphandle yophuculo lwe-firmware. I-COM2 ilinganiselwe ukuxhasa ukuhanjiswa kwedatha, kwaye ayinakusetyenziselwa ukuphuculwa kwe-firmware.
I-Odometer (FWD/WHEELTICK)
Iimodyuli zechungechunge ze-UM220-INS zine-odometer input interface equka i-FWD kunye ne-WHEELTICK, eziluncedo ekuphuculeni ukuchaneka kwendawo yemodyuli.
MEMS
Iimodyuli zechungechunge ze-UM220-INS zidibanisa i-MEMS ye-axis ezintandathu, i-gyro ye-axis emithathu kunye ne-accelerator ye-axis emithathu ebhodini. I-MEMS inikezela ngolwazi malunga nesimo sengqondo somthwali kunye notshintsho lwesantya, oludityaniswe ne-GNSS ukwenza ukubalwa kokukhangela okudibeneyo. Le ndibaniselwano iqinisekisa ngokuqhubekayo ngakumbi kunye nokungaphazanyiswa kokuma kune-GNSS ezimeleyo, ngakumbi kwiimeko ezinophawu olubi.
1PPS
Iimodyuli ze-UM220-INS eziphuma kwi-PPS ezi-1 ezinobubanzi obuguquguqukayo be-pulse kunye ne-polarity. I-1PPS ayisiyoyesicelo sexesha.
Lungisa kwakhona
Umthamo ophantsitagesebenzayo, kwaye ixesha elisebenzayo liyafuneka ukuba lihlale ubuncinane i-10ms
Ukufakwa kweNkqubo
Izinto ezifunekayo kuqala
Iimodyuli zechungechunge ze-UM220-INS zi-Electrostatic Sensitive Devices (ESD) kwaye kufuneka zifakelwe ngononophelo olukhethekileyo xa uphathwa. Ukusebenza okungafanelekanga kunokubangela umonakalo kumacandelo.
- Yenza amanyathelo akwicandelo 3.2 ngolandelelwano oluchanekileyo.
- I-Electrostatic discharge (ESD) inokubangela umonakalo kwisixhobo. Yonke imisebenzi ekhankanywe kwesi sahluko kufuneka yenziwe kwi-workbench ye-antistatic, usebenzisa i-wristband ye-antistatic kunye ne-foam pad conductive. Ukuba i-antistatic workbench ayifumaneki, nxiba i-antistatic wrist strap kwaye udibanise enye isiphelo kwisakhelo sesinyithi ukuze udlale indima kwi-anti-static.
- Bamba udini lwemodyuli, kwaye UNGABAmbi nawaphina amalungu emodyuli.
- Nceda ujonge ngononophelo ukuba imodyuli ngokucacileyo ikhululekile okanye yonakele. Nceda uqhagamshelane nathi okanye umthengisi wasekuhlaleni ngazo naziphi na iingxaki.
Umzobo 3-1 ubonisa ukufakwa okuqhelekileyo kweemodyuli zechungechunge ze-UM220-INS ezinama-suites e-EVK.
Nceda ujonge imixholo yephakheji ngononophelo emva kokufumana ipakethe yeemodyuli ze-UM220-INS zeemodyuli.
- UM220-INS EVK suite (ene-AC Adapter)
- UM220-INS Series yeModyuli yoMsebenzisi weManuwali
- UNICORECOMM uSTAR isicelo iphakheji
- I-antenna efanelekileyo exhasa i-GPS L1 kunye ne-BDS B1 / GLONASS L1
- Intambo ye-serial ethe ngqo kunye ne-USB
- I-PC okanye iLaptop enezibuko ze-serial (Windows 7 nangaphezulu)
Nceda ugcine iibhokisi kunye neengxowa zeplastiki ezichasene ne-static ukuze zigcinwe kwaye ziphathwe
Ukufakwa kweNkqubo
Yenza la manyathelo angezantsi ukufaka imodyuli:
- Inyathelo loku-1: Qinisekisa ukuba wenze imilinganiselo epheleleyo ye-anti-static, efana ne-anti-static wrist strap, ukumisa i-workbench;
- Inyathelo loku-2: Vula ikiti yovavanyo ye-UM220-INS;
- Inyathelo loku-3: Khetha i-antenna ye-GNSS ngokuzuza okufanelekileyo, yilungise kwindawo engathinteliyo, usebenzisa ikhebula elifanelekileyo ukudibanisa i-antenna kwi-UM220-INS EVK;
- Inyathelo loku-4: Qhagamshela i-PC kwi-port ye-serial ye-EVK ngentambo ye-serial;
- Inyathelo loku-6: Vula isoftwe ye-uSTAR kwiPC;
- Inyathelo loku-7: Qwalasela umamkeli ngokusebenzisa uSTAR ukubonisa iinkwenkwezi view, imiyalezo yelog, kunye nemo yomamkeli, njl.
IiNgcaciso zobuGcisa
Iinkcukacha zoMbane
IiReyithingi eziphezulu ezipheleleyo
| Into | Min | Max | Iyunithi | Inkcazo |
| Ubonelelo lwaMandla (VCC) | -0.5 | 3.6 | V | Amandla aphambili |
| Ugcino Voltage (V_BCKP) | -0.5 | 3.6 | V | Gcina unikezelo lwamandla kwi-RTC |
| I-IO yedijithali (RXD1, RXD2)4 | -0.5 | 3.6 | V | Umqulutage yezikhonkwane zomqondiso wedijithali |
| Iifayile zeRF_IN | – | +3 | dBm | Ubuninzi bamandla eeriyali |
| Ubushushu boGcino TSTG | -45 | 90 | °C | Ubushushu bokugcina |
| SMT Reflow Temperature TSLDR | – | +260 | °C | Ubushushu beSoldering |
Umbandela wokuSebenza
| Into | Iphini | Min. | Isiqhelo Ixabiso | Max. | Uni t | Imeko |
| Ubonelelo lwaMandla (VCC) | VDC | 3.0 | 3.3 | 3.6 | V | |
| I-Ripple Voltage | Vp-p | 50 | mV | |||
| Incopho yangoku | Iccp | 52 | mA | Vcc=3.0 V | ||
| Ukulandelela umndilili wangoku | IACQ | 28 | 30 | 32 | mA | Vcc=3.0V |
| Igalelo leNqanaba ELIPHANTSI Voltage | VIL | -0.3 | 0.2*Vcc | V | ||
| Ungeniso lweNqanaba eliPhezulu loMqulutage | VIH | 0.7*Vcc | Vcc+0.3 | V | ||
| IMveliso yeNqanaba eliPhantsi uMqulutage | UMQULU | 0 | 0.4 | V | Iout=-2mA | |
| Umgangatho oPhezulu wokuPhuma Voltage | VOH | Vcc–0.4 | VDC | V | Iout=2 mA | |
| Ukuzuza kwe-Antenna5 | GANT | 15 | 20 | 30 | dB | |
| Umfanekiso wengxolo | NF | 1.9 | dB | |||
| Ubushushu bokusebenza | TOPR | -40 | +85 | °C |
Kubandakanya ukusetwa ngokutsha, i-TIMEPULSE, WHEELTICK, TXD2, RXD2, FWD, TXD1, RXD1 Uluhlu lokufumana i-eriyali lubhekiselele kuluhlu lokufumana kwangaphambili.amplifier phambi kweRF_IN yemodyuli.
Imilinganiselo
| Uphawu | Min (mm) | Isiqhelo (mm) | Max (mm) |
| A | 15.9 | 16.0 | 16.5 |
| B | 12 | 12.2 | 12.4 |
| C | 2.4 | 2.6 | 2.8 |
| D | 0.9 | 1.0 | 1.3 |
| E | 1.0 | 1.1 | 1.2 |
| F | 2.9 | 3.0 | 3.1 |
| G | 0.9 | 1.0 | 1.3 |
| H | 0.9 | 1.0 | 1.1 |
| K | 0.7 | 0.8 | 0.9 |
| N | 0.4 | 0.5 | 0.6 |
| M | 0.8 | 0.9 | 1.0 |
Inkcazo yePin (Phezulu View)
| Iphini Hayi | Igama | I/O | Umbane Inqanaba | Inkcazo |
| 1 | nRESET | I | LVTTL | Ukuseta kwakhona okuphantsi kuyasebenza, gqitha ukuba ayisetyenziswa |
| 2 | NC | – | – | Igciniwe |
| 3 | IXESHA | O | LVTTL | Ukubetha kwexesha (1PPS) |
|
4 |
IBHONDO |
I |
LVTTL |
Isantya sokubetha kwesantya seOdometer, dlula ukuba ayisetyenziswa. Kucetyiswa ngamandla ukuba kusetyenziswe, ubuninzi be-pulse frequency eyamkelekileyo yi-5KHz, kwaye ubuncinci be-pulse ububanzi bukhulu kune-100us.Qaphela: Iimpawu ezingalunganga ze-odometer ziya kubangela iingxaki ezinzulu ekusebenziseni imveliso. Nceda uqinisekise ukuba uphawu luchanekile. |
| 5 | NC | – | – | Igciniwe |
| 6 | I-TXD2 | O | LVTTL | UART 2-TX |
| 7 | RXD2 | I | LVTTL | UART 2-RX |
| 8 | NC | – | – | Igciniwe |
| 9 | VCC_RF | O | Imveliso ye-antenna yokutya | |
| 10 | GND | – | – | Umhlaba |
| 11 | Iifayile zeRF_IN | I | – | Ukufakwa komqondiso weGNSS |
| 12 | GND | – | – | Umhlaba |
| 13 | GND | – | – | Umhlaba |
| 14 | NC | – | – | Igciniwe |
| Iphini Hayi | Igama | I/O | Umbane Inqanaba | Inkcazo |
|
15 |
FWD |
I |
LVTTL |
Ungeniso lwendlela yeOdometer, dlula ukuba ayisetyenziswa. Kucetyiswa ngamandla ukuba usebenzise inqanaba eliphezulu=phambiliInqanaba elisezantsi=ngasemva
Qaphela: Iimpawu ezingalunganga ze-odometer ziya kubangela iingxaki ezinzulu ekusebenziseni imveliso. Nceda uqinisekise ukuba uphawu luchanekile. |
| 16 | NC | – | – | Igciniwe |
| 17 | NC | – | – | Igciniwe |
| 18 | NC | – | – | Igciniwe |
| 19 | NC | – | – | Igciniwe |
| 20 | I-TXD1 | O | LVTTL | UART 1-TX |
| 21 | RXD1 | I | LVTTL | UART 1-RX |
|
22 |
V_BCKP |
I |
1.65V~3.6V |
Ugcino voltage ukubonelela, esebenzayo kwisiqalo esishushu. Ukuba awusebenzisi umsebenzi wokuqalisa oshushu, qhagamshela iV_BCKP kwiVCC. MUSA ukuyidibanisa emhlabeni okanye uyishiye idada. |
| 23 | VCC | – | 3.0V~3.6 V | Ukubonelela ngevoltage |
| 24 | GND | – | – | Umhlaba |
Ukupakishwa kwePCB
Kuyilo lwe-solder ye-PCB, qiniseka ukuba indawo engaphantsi kweemodyuli zechungechunge ze-UM220-INS zigutyungelwe ngokupheleleyo nge-solder layer.
Uyilo lwezixhobo zokusebenza
Uyilo kwiiNgqwalasela
Kuyafuneka ukudibanisa le miqondiso ilandelayo ngokuchanekileyo ukwenza iimodyuli zothotho lwe-UM220-INS zisebenze kakuhle. Imodyuli yeVCC yeyemonotonicity elungileyo, kwaye i-undershoot kunye nokukhala kuyafuneka ukuba kuqinisekiswe ngaphakathi kwe-5% VCC. Ukuba i-VCC icinyiwe yaza yaphinda yaqalwa, ixesha lokucima kufuneka libe likhulu kune-10ms. Ukuba unikezelo lombane lweVCC alukwazi ukuhlangabezana nezi mfuno zingentla, kukho ithuba lokuba imodyuli ye-UM220-INS ayizukuqala ngokuqhelekileyo. Xa imodyuli ingasetyenziswanga, kuyimfuneko ukuqinisekisa ukuba ukunikezelwa kwamandla kunye ne-GPIO (PPS, TX, RX, RESET) zikwisimo esiphezulu se-impedance okanye izinga eliphantsi ukuphepha ukusebenza okungaqhelekanga kwemodyuli ebangelwa ukuvuza.
Ukuba i-serial port 2 kunye ne-pulse ngesekhondi (1PPS) isetyenzisiwe, i-1KΩ resistor kufuneka idibaniswe kwi-series kwi-TXD2 kunye ne-4.7KΩ resistor kufuneka idibaniswe kwi-series kwi-pulse ngesekhondi (1PPS)
- Qhagamshela zonke izikhonkwane ze-GND emhlabeni.
- Nika amandla athembekileyo kwiphini yeVCC.
- Qhagamshela isignali ye-RF_IN kwi-eriyali, kwaye uqinisekise ukuba i-50 Ω ihambelana nokuphazamiseka kwisekethe.
- Qinisekisa ukuba i-COM1 iqhagamshelwe kwi-PC okanye kwiprosesa yangaphandle, abasebenzisi banokusebenzisa le port ye-serial ukuze bafumane idatha yendawo. I-COM1 ikwasetyenziselwa ukuphuculwa kwe-firmware.
Nika ingqalelo kwezi zinto zilandelayo kuyilo ukuze ufumane ukusebenza kakuhle
- Ukunikezwa Amandla: Amandla azinzileyo kunye ne-ripple aphantsi ayimfuneko ekusebenzeni kakuhle.
- Sebenzisa i-LDO ukuqinisekisa ukucoceka konikezelo lwamandla.
- Beka i-LDO kwimodyuli ngokusondeleyo kangangoko kunokwenzeka kuyilo.
- Yandisa iingcingo zesekethe yamandla okanye sebenzisa umphezulu wokugalela ubhedu ukuhambisa umsinga.
- Kuphephe ukuhamba kuzo naziphi na izixhobo ezisebenza ngamandla aphezulu okanye ezinje ngemagnethi.
- Qinisekisa ukuba incopho ibe yincopho voltage ripple ayidluli 50mV.
- UART ujongano: qinisekisa ukuba izibonakaliso kunye nesantya se-baud sezixhobo eziphambili zihambelana neemodyuli zechungechunge ze-UM220-INS.
- Ujongano lwe-antenna: qinisekisa ukuba i-antenna impedance ihambelana, kwaye isekethe imfutshane kwaye igudileyo, zama ukuphepha i-angle ebukhali.
- Zama ukuphepha iisekethe ezingaphantsi kweemodyuli zechungechunge ze-UM220-INS.
- Le modyuli sisixhobo esinobuntununtunu beqondo lobushushu, utshintsho olukhawulezayo lobushushu luya kubangela ukusebenza okuncitshisiweyo, lugcine kude kuyo nayiphi na i-high-power ephezulu yobushushu bomoya kunye nezixhobo zokufudumeza kangangoko kunokwenzeka.
I-antenna
Ukuba iimodyuli zothotho lwe-UM220-INS zisebenzisa i-eriyali esebenzayo +3V, kuyacetyiswa ukuba usebenzise i-VCC_RF isikhonkwane ukondla i-eriyali ngokufaka i-eriyali.
Phawula: Ukuba umsebenzisi unemfuno ephezulu ye-ESD (> ± 2000 V), umsebenzisi kufuneka acinge ngenye indlela yokondla i-eriyali kunokusebenzisa i-VCC_RF iphini. Kule meko, kucetyiswa ukuba ukhethe i-chip yonikezelo lwamandla kunye nenqanaba eliphezulu lokukhusela i-ESD. I-tube yokukhutshwa kwegesi, i-varistor, i-TVS ityhubhu kunye nezinye izixhobo zokukhusela amandla aphezulu zingasetyenziselwa kwisekethe yokubonelela ngombane ukukhusela ngakumbi imodyuli kumonakalo we-ESD okanye enye i-Electrical Over-Stress (EOS). Ukuba iimodyuli ze-UM220-INS zisebenzisa i-eriyali esebenzayo ngaphandle kwe +3V, i-bias vol.tage I-V_BIAS efunwa yi-eriyali isetyenziselwa ukunika amandla i-eriyali ngokusebenzisa i-inductor yokutya.
Ukuba iimodyuli ze-UM220-INS zisebenzisa i-eriyali yokwenziwa, qhagamshela i-eriyali kwi-RF_IN ngokuthe ngqo, kwaye i-VCC_RF inokushiywa idada. Kufuneka kuqatshelwe ukuba xa kuthelekiswa ne-eriyali esebenzayo, ukusetyenziswa kwe-eriyali engabonakaliyo kunokubangela ukuthotywa kwentsebenzo ye-GNSS.
Uthotho lwezibuko
Izibuko ze-serial ze-UM220-INS iimodyuli ze-series zikwinqanaba le-LVTTL, sebenzisa i-RS232 converter yoqhagamshelwano lwePC.
Odometer Connection
Iimodyuli ze-UM220-INS zeemodyuli zenkxaso (FWD) kunye ne-velocity pulse (WHEELTICK) iimpawu ezidibanisa ne-odometer. Ukuchaneka kwendlela yokubeka imodyuli inokuphuculwa ukuba imodyuli ifumana isalathiso esisebenzayo kunye neempawu zesantya sepulse. Isiginali ye-odometer yezithuthi ngokuqhelekileyo i-12V, kwaye umgangatho wesignali ubi. Ngoko ke, ukucoca umqondiso, ukuhlukaniswa kwe-optocoupler kunye nokuguqulwa kwenqanaba kuyafuneka kwiimpawu ze-odometer zesithuthi ukuba zidluliselwe kwi-UM220-INS NF ukuze zisetyenziswe.
Ulungelelwaniso lweNkqubo
Ulungelelwaniso lweemodyuli zothotho lwe-UM220-INS kufuneka luhambelane naleyo yezithuthi, ngolunye ubulumko kufuneka wenze uqwalaselo oluhambelanayo ngokulandela umyalelo weCFGROTAT kwincwadana yemigaqo ehambelanayo.
- Umkhombandlela oqhelekileyo wekhaka ngu-Z, i-axis ende ngu-Y kunye ne-axis emfutshane ngu-X.
- Ulungelelwaniso lwemodyuli kufuneka luhambelane nesithuthi, oku kuthetha ukuba: i-X-axis kunye ne-R-axis zihambelana kwicala elifanayo, i-Y-axis kunye ne-F-axis zihambelana kwicala elifanayo, kunye ne-Z-axis kunye ne-U- i-axis ihambelana kwicala elinye.
Ukufakelwa kweModyuli
Iimodyuli zechungechunge ze-UM220-INS kufuneka ziqhagamshelwe ngokungqongqo kumzimba wesithuthi kwaye zilungiswe ngokuqinileyo.
- I-antenna kufuneka ifakwe kunye nomphambili ojongene phezulu kangangoko kunokwenzeka kwaye uqiniswe ngokuqinileyo; qinisekisa ukuba i-angle yokuphakama kwendawo apho i-eriyali ikhoyo inkulu kune-15 ° kwaye isithuba asithinteki.
- Kwimeko-bume apho i-eriyali ikhoyo, akukho mthombo wokuphazamiseka owomeleleyo ngaphakathi kwe-1568± 20MHz.
Imiyalelo yokuFakela
Iimodyuli zechungechunge ze-UM220-INS kufuneka zixhunywe ngokuqinileyo kwisithuthi ukukhusela nayiphi na i-offsets okanye i-vibrations phakathi kwemodyuli kunye nesithuthi. Iimodyuli zechungechunge ze-UM220-INS akufanele zifakwe kwindawo yokumiswa kwesithuthi (kunye ne-elastic part). Xa isithuthi sihamba, naluphi na utshintsho lwenkqubo yokulungelelanisa isithuthi luya kuchaphazela kakhulu imodyuli ye-UM220-INS kwaye ithintele ukuba isebenze ngokuqhelekileyo.
Ufakelo lweAngle Definition
Ukulungelelaniswa kwesithuthi yi-RFU, kwaye imodyuli yokulungelelanisa i-xyz, njengoko kuboniswe kumfanekiso 5-5 kunye nomfanekiso 5-6. I-AngleR, i-angleF, kunye ne-angleU ye-engile yokufakela imodyuli ichazwa ngolu hlobo lungezantsi:
- Hlanganisa imo yokuqala yolungelelwaniso lweRFU naleyo yolungelelwaniso lwexyz
- Jikelezisa γ iengile yemodyuli ecaleni komgca ongu-z
- Jikelezisa i-engile α yemodyuli ecaleni komgca we-x omtsha
- Jikelezisa i-engile engu-β yemodyuli ecaleni komgca ongu-y omtsha
- Umnqongo ngoku ukwimeko efanayo nofakelo oluyinyani, ngaloo nto, i-angleR=α, i-engileF=β, i-engileU=γ
Iinketho zoFakelo lweModyuli
- uFakelo lwasimahla (Indlela eMiselweyo)
Iimodyuli zechungechunge ze-UM220-INS zidibanisa i-gyroscope ye-axis emithathu kunye ne-accelerometer ye-axis emithathu, kunye ne-algorithm yokulinganisa eyakhelwe-ngaphakathi, exhasa ukufakwa kwamahhala kwemodyuli ngokubhekiselele kuyo nayiphi na i-angle yokufakela inkqubo yokulungelelanisa isithuthi, njenge. , ufakelo oluthe tye ngokupheleleyo, ufakelo oluthambekileyo kwi-engile ethile, kunye nofakelo lwe-flip. - Ukuhlohla okusisigxina
Ngokwenkcazo ye-angle yokufakela, i-angle yokufakela echanekileyo iqulunqwe ngesandla kwimodyuli. Le ndlela yokuhlohla ithatha ixesha elifutshane lokulinganisa. Xa uqwalasela i-angle yokufakela ngesandla, impazamo enkulu ye-angle ilinganiselwe kwi-± 5 degrees.
Imiyalezo yeReferensi
I-CFGROTAT
- Ifomathi yomyalezo: $ CFGROTAT, angleR, angleF, angleU, imo
- Inkcazo: Cwangcisa okanye ukhuphe ulungelelwaniso lwe-engile yokufakela imodyuli ngokubhekiselele kwinkqubo yolungelelwaniso lwesithuthi.
- Iiparamitha:
- I-angleR, i-angleF kunye ne-angleU, bhekisa kwi-5.6.2 ngeenkcukacha ngeyunithi ye-0.01 °
- Imowudi, emele imowudi yokuhlohla i-engile:
I-0 - Imowudi yokufakela ngokubanzi, ixabiso legalelo le-angle yokufakela i-coarse (ngaphakathi kwe-10deg)
I-2 - Imo yokufakela ngokuzenzekelayo, akukho angle yokufakela efunekayo.
Phawula
- Khetha i-2 kwimodi yokufakela yamahhala kunye ne-0 yofakelo olusisigxina;
- Faka iiengile zokufakela ezikuko ukuquka i-angleR, i-angleF, kunye ne-angleU kwimodyuli. Emva kokuba uqwalaselo lugqityiwe, gcina uqwalaselo kwi-flash ngomyalelo weCFGSAVE, kungenjalo kufuneka ichongwe kwakhona kwi-boot elandelayo.
- Naluphi na ulungelelwaniso kwi-INS luya kubangela ukuba imodyuli ye-INS iqaliswe kwakhona ngexesha lokusebenza okuqhelekileyo okanye emva kokucima kombane kunye nokuqalisa kwakhona, kwaye imisebenzi yokulinganisa egqityiweyo ngaphambili okanye eqhubekayo iya kuphinda isetyenziswe.
I-SNRSTAT
- Ifomathi yomyalezo: $SNRSTAT,instatus,odostatus, InstallState, Mapstat
- Inkcazo: Isimo sokuqala semveliso (iyasebenza kuzo zombini imo yofakelo olusisigxina kunye nemowudi yofakelo lwasimahla)
- Iiparamitha:
indawo: Imo yokuqala ye-INS- 1: Ukusilela kwesixhobo se-IMU
- 0: Kukhubazekile
- 1: iqalisiwe
- 2: I-engile yokufakela iyaziwa
- 3: Ukuqaliswa kugqityiwe
odostatus: Imo yokuqalisa i-Odometer - 1: Ukusilela kwesixhobo seOdometer
- 0: Kukhubazekile
- 1: Qalisa umlinganiselo wesikali
- 2: Ukuqaliswa kwento yesikali kugqityiwe
- 3: Ulungelelwaniso lwento yesikali lugqityiwe
- InstallState
- Ukusilela kwesixhobo se-IMU, asikwazi ukuqikelela i-engile yokuhlohla
- Kwinkqubela yokulinganisa
- Umgangatho wangoku wolwazi lwesathelayithi awonelanga kwaye iimeko ezingcono zesathelayithi ziyafuneka
- Iimeko zangoku zokuqhuba zomphathiswa azonelanga kwaye kufuneka ukuba ikhawuleziswe
- Isantya sangoku somthuthi siphantsi kakhulu kwaye kufuneka sinyuswe.
- Imephu yemephu:
- Akukho zibuko lothotho olulungiselelweyo ukufaka ulwazi lweMAP
- Akukho miyalezo ye-MAP efunyenweyo ngothotho lwezibuko okanye umyalezo othunyelweyo we-MAP uphelelwe lixesha
- Ulwazi lwe-MAP lufunyenwe kodwa alusetyenziswanga kukhangelo oluhlanganisiweyo
- Ulwazi lwe-MAP lufunyenwe kwaye lusetyenziswa kwi-composite navigation
- UVavanyo lokuFakelo lwaMahla ngokupheleleyo
- Faka imodyuli ngokukhululekileyo
- Igalelo lomyalelo $CFGROTAT,0,0,0,2 (akukho qwalaselo olufunekayo kwimo yomzimveliso)
- Igalelo lomyalelo $CFGSAVE (akukho kuqwalaselo olufunekayo kwimo yomzi-mveliso)
- Inkqubo yokuzilinganisa kufuneka yanelise ngaphezu kweemeko zokupaka, umgangatho wesatellite kunye nokuhamba, kwaye njl.njl. Qinisekisa ukuba i-self-calibration igqityiwe ngesiphumo se-$ SNRSTAT, kwaye xa i-instatus iba yi-3, ukuzilinganisa ngokwakho kugqityiwe.
- Qinisekisa ukuba ukuzilinganisa kugqityiwe kwaye emva koko ungene kwindlela enomgangatho ophantsi wesathelayithi.
- Ukuba umsebenzi wokuqalisa oshushu kwindawo engaphantsi uyadingeka, i-Vbackup idinga ukuba inikwe amandla ngokuqhubekayo;
Ulungelelwaniso lweModyuli kunye neSaziso
UkuLinganisa ngokwakho
Emva kokufakwa kweemodyuli zechungechunge ze-UM220-INS, ukuzilinganisa kuyafuneka ukuze kuqinisekiswe ukuchaneka kwemveliso yemodyuli. Kwinkqubo yokuzilinganisa, imodyuli iqikelela imilinganiselo yokufakela imeko yokufakela kunye neeparamitha zenzwa. Imodyuli ikwimowudi epheleleyo yokuhamba ngesathelayithi ngaphambi kokuba ulungelelwaniso lwe-self-calibration lugqitywe, kwaye lukwindlela yokukhangela ngesathelayithi kunye nemowudi yokudibanisa i-inertial yokudibanisa emva kokuba i-self-calibration igqityiwe.
Iimeko zokuZalisa ukuzilinganisela
- I-self-calibration iqala emva kombane, yima ngaphezu kwemizuzu emithathu;
- Ukubonakala kakuhle kwesathelayithi kuyafuneka ngexesha lenkqubo yokuzilinganisa (inani leesathelayithi ezibonakalayo alikho ngaphantsi kwesithandathu, kwaye i-CN0 ingaphezulu kwe-30dB), ngcono umgangatho wokujonga i-satellite, ngokukhawuleza ukulinganisa kuya kuba.
- Kuyafuneka ukwenza i-90-degree turn maneuvers ngaphezulu kwamaxesha amahlanu ngelixa isithuthi sisebenza ngokuqhelekileyo.
- Gcina isantya sokuqhubela phambili ukuya phambili ngaphezu kwe-36 km/h phantsi kwesiseko sokuqhuba kwesiqhelo. Amaxesha amaninzi okukhawulezisa (kuyacetyiswa ukuba uqhube ngesantya esingaphezu kwe-0.5m/s squared ngokungekho ngaphantsi kwamaxesha ali-10) kwaye okukhona ixesha lokuqhuba lide, ulungelelwaniso luya kukhawuleza.Emva kolungelelwaniso lokuqala lokuhamba kweinertial ( insstatus 3), kuseyimfuneko ukuqhuba malunga nemizuzu eyi-15 kwindawo evulekileyo eqhelekileyo ukuqeqesha isixhobo sokuhamba esinertial ngokwaneleyo. UmzekeloampI-le, ukuchaneka kokukhangela kunokuba mbi kancinane ukuba isixhobo sokungena esingenasiphelo singena kwindawo enzima efana netonela kunye negaraji ngokukhawuleza emva kokulungelelaniswa kokuqala.
Phawula
- Ukusetyenziswa okuqhelekileyo kwemodyuli kufuna kuphela inkqubo enye yokuzilinganisa.
- Emva kokuba imodyuli ye-INS ilinganiswe, inokushenxiswa kuphela emva kokuba amandla ecinyiwe ngokupheleleyo, kuquka i-VCC engundoqo kunye ne-V_BACKUP yokugcina.
Iidisastage
Xa kuyimfuneko ukususa imodyuli, kucetyiswa ukuba unyibilike i-tin solder of the pins kumacala omabini emodyuli kunye nentsimbi yombane yombane kwaye ususe imodyuli nge-tweezers. SUKUSEBENZISA ezinye iindlela zokususa imodyuli (ngokomzekeloample, imodyuli ivuthelwe ngumpu womoya oshushu), onokukhokelela kumonakalo wemodyuli.
Iphakheji
Ukuleyibhelishwa kweMveliso
Inkcazelo yePhakeji
Iimodyuli zechungechunge ze-UM220-INS zisebenzisa i-tape ye-carrier kunye ne-reel (efanelekile kwizixhobo eziqhelekileyo zokunyuka kwendawo), ezifakwe kwi-vacuum-sealed aluminium foil antistatic bags, kunye ne-desiccant ngaphakathi ukukhusela umswakama. Xa usebenzisa inkqubo ye-welding ye-reflow kwiimodyuli ze-weld, nceda uthobele ngokungqongqo umgangatho we-IPC ukuqhuba ulawulo lokufuma kwiimodyuli. Njengoko izinto zokupakisha ezifana nebhanti yomthwali inokumelana nokushisa kwama-65 degrees Celsius, iimodyuli ziya kususwa kwipakethe ngexesha lokubhaka.
| Into | Inkcazo |
| Imodyuli | 500pics/reel |
|
Ubungakanani beReel |
Itreyi: 13″
Idayamitha yaNgaphandle: 330mm, Ububanzi bangaphakathi: 100mm, Ububanzi: 24mm Ubukhulu: 2.0mm |
| I-Carrier Tape | Isithuba phakathi: 20mm |
Iimodyuli zechungechunge ze-UM220 I-NS zibekwe kwinqanaba le-MSL 3, zibhekiselele kwimigangatho efanelekileyo ye-IPC/JEDEC yeemfuno zokubhaka. Nceda ungene kwi webindawo www.jedec.org ukukhuphela iinkcukacha. Ubomi beshelufu yeemodyuli ze-UM220 INS ngunyaka omnye.
Coca
MUSA ukusebenzisa utywala okanye ezinye izinyibilikisi eziphilayo ukucoca, okanye kunokukhokelela kwiintsalela ze-fluk kwiqokobhe elikhuselayo, elibangela ukungunda kunye nezinye iingxaki.
I-Soldering kwakhona
Ukuze ugweme ukuwa kwesixhobo, imodyuli kufuneka ibekwe phezulu kwibhodi ephambili ngexesha le-welding. I-Reflow soldering ijika yeqondo lokushisa iyanconywa njengoko kuboniswe kumfanekiso we-9 1 ngezantsi (i-M 705 GRN 360 inconywa kwi-solder paste).
Phawula: Imodyuli inokudityaniswa kube kanye kuphela.
Phawula: I-apertures kwi-stencil kufuneka ihlangabezane neemfuno zoyilo lomthengi kunye neenkcukacha zokuhlola, kunye nobukhulu be-stencil kufuneka bube ngaphezu kwe-0.15mm, kwaye i-0.18mm inconywa.
Unicore Communications, Inc.
F3, No.7, Fengxian East Road, Haidian, Beijing, PRChina, 100094
- www.unicorecomm.com
- Ifowuni: 86-10-69939800
- Ifeksi: 86-10-69939888
- info@unicorecomm.com
- www.unicorecomm.com
Amaxwebhu / Izibonelelo
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I-Unicore Comm UM220-INS ye-Multi-GNSS yokuHamba ngokuManyeneyo kunye neModyuli yokubeka [pdf] Incwadi yokusebenzisa I-UM220-INS ye-Multi-GNSS yokuHamba ngokuManyeneyo kunye neModyuli yokuMisela, UM220-INS, i-Multi-GNSS yokuNavigation eDityanisiweyo kunye neModyuli yokuMisa, iModyuli yokuHamba kunye nokuMisa, iModyuli yokuMisa. |
