Inertial Navigation yog dab tsi?
Cov ntsiab lus ntawm Inertial Navigation
Lub hauv paus ntsiab lus ntawm inertial navigation yog zoo li cov ntawm lwm txoj kev navigation. Nws tso siab rau kev tau txais cov ntaub ntawv tseem ceeb, suav nrog txoj haujlwm thawj zaug, kev taw qhia thawj zaug, kev taw qhia thiab kev taw qhia ntawm cov lus tsa suab txhua lub sijhawm, thiab txuas ntxiv cov ntaub ntawv no (analogous rau kev ua lej sib xyaw ua ke) kom meej meej txiav txim siab txog kev taw qhia, xws li kev taw qhia thiab txoj haujlwm.
Lub luag haujlwm ntawm Sensors hauv Inertial Navigation
Txhawm rau kom tau txais qhov kev taw qhia tam sim no (tus cwj pwm) thiab cov ntaub ntawv qhia txog qhov khoom txav mus, inertial navigation systems siv cov txheej txheem tseem ceeb, feem ntau suav nrog accelerometers thiab gyroscopes. Cov sensors ntsuas angular tshaj tawm thiab acceleration ntawm cov cab kuj nyob rau hauv ib tug inertial reference ncej. Cov ntaub ntawv yog tom qab ntawd sib xyaw ua ke thiab ua tiav dhau sijhawm los muab cov ntaub ntawv tshaj tawm thiab cov ntaub ntawv txheeb ze. Tom qab ntawd, cov ntaub ntawv no tau hloov pauv mus rau hauv kev sib koom ua ke navigation, ua ke nrog cov ntaub ntawv thawj zaug, ua tiav hauv kev txiav txim siab ntawm qhov chaw tam sim no ntawm tus neeg nqa khoom.
Cov Ntsiab Cai Ua Haujlwm ntawm Inertial Navigation Systems
Inertial navigation systems ua haujlwm raws li tus kheej muaj, nrog kaw-loop navigation systems. Lawv tsis tso siab rau cov ntaub ntawv hloov tshiab ntawm lub sijhawm tiag tiag los kho qhov yuam kev thaum lub sijhawm tus neeg nqa khoom txav. Yog li ntawd, ib qho inertial navigation system yog tsim rau cov haujlwm luv luv navigation. Rau kev ua haujlwm ntev, nws yuav tsum tau ua ke nrog lwm txoj hauv kev navigation, xws li satellite-based navigation systems, txhawm rau kho cov kev ua yuam kev hauv lub sijhawm.
Lub Concealability ntawm Inertial Navigation
Nyob rau hauv niaj hnub navigation technologies, xws li celestial navigation, satellite navigation, thiab xov tooj cua navigation, inertial navigation stands li autonomous. Nws tsis yog emits teeb liab mus rau sab nraud ib puag ncig los yog nyob ntawm cov khoom saum ntuj ceeb tsheej lossis cov teeb liab sab nraud. Yog li ntawd, inertial navigation systems muab qhov siab tshaj plaws ntawm kev zais, ua rau lawv zoo tagnrho rau cov ntawv thov uas xav tau kev ceev ntiag tug tshaj plaws.
Kev txhais lus ntawm Inertial Navigation
Inertial Navigation System (INS) yog ib qho kev ntsuas kev ntsuas kev ntsuas uas siv gyroscopes thiab accelerometers ua sensors. Lub kaw lus, raws li cov zis ntawm gyroscopes, tsim kom muaj kev sib koom ua ke navigation thaum siv cov zis ntawm accelerometers los xam qhov tshaj tawm thiab txoj hauj lwm ntawm tus cab kuj nyob rau hauv navigation coordinate system.
Daim ntawv thov ntawm Inertial Navigation
Inertial thev naus laus zis tau pom cov ntawv thov dav dav hauv ntau hom, suav nrog aerospace, aviation, maritime, roj av tshawb nrhiav, geodesy, oceanographic tshawb fawb, geological drilling, robotics, thiab railway systems. Nrog rau qhov tshwm sim ntawm inertial sensors siab heev, inertial thev naus laus zis tau txuas ntxiv nws cov txiaj ntsig rau kev lag luam tsheb thiab cov khoom siv hluav taws xob kho mob, ntawm lwm qhov chaw. Qhov kev nthuav dav ntawm daim ntawv thov no qhia txog lub luag haujlwm tseem ceeb ntawm inertial navigation hauv kev muab cov kev taw qhia siab thiab qhov chaw muaj peev xwm rau ntau daim ntawv thov.
Cov ntsiab lus tseem ceeb ntawm Inertial Guidance:Fiber Optic Gyroscope
Taw qhia rau Fiber Optic Gyroscopes
Inertial navigation systems hnyav heev nyob ntawm qhov tseeb thiab qhov tseeb ntawm lawv cov khoom tseem ceeb. Ib qho piv txwv zoo li no uas tau txhim kho lub peev xwm ntawm cov tshuab no yog Fiber Optic Gyroscope (FOG). FOG yog ib qho tseem ceeb sensor uas ua lub luag haujlwm tseem ceeb hauv kev ntsuas tus neeg nqa khoom lub angular tshaj tawm nrog qhov tseeb zoo kawg.
Fiber Optic Gyroscope Kev Ua Haujlwm
FOGs ua haujlwm ntawm lub hauv paus ntsiab lus ntawm Sagnac nyhuv, uas cuam tshuam nrog kev sib cais ntawm lub teeb laser rau hauv ob txoj kev sib cais, tso cai rau nws mus rau qhov sib txawv ntawm cov lus qhia raws lub voj voog fiber ntau. Thaum tus cab kuj, embedded nrog FOG, rotates, qhov sib txawv nyob rau hauv lub sij hawm mus txawv tebchaws ntawm ob kab teeb yog proportional rau lub angular tshaj tawm ntawm tus cab kuj tig. Lub sij hawm ncua sij hawm no, hu ua Sagnac theem hloov, yog tom qab ntawd ntsuas qhov tseeb, ua rau FOG muab cov ntaub ntawv raug hais txog tus neeg nqa khoom sib hloov.
Lub hauv paus ntsiab lus ntawm fiber ntau optic gyroscope suav nrog emitting ib lub teeb ntawm lub teeb los ntawm photodetector. Lub teeb ci no dhau los ntawm ib qho kev sib txuas, nkag los ntawm ib qho kawg thiab tawm ntawm lwm qhov. Tom qab ntawd nws mus los ntawm lub voj voog kho qhov muag. Ob kab teeb ntawm lub teeb, los ntawm kev sib txawv, nkag mus rau lub voj voog thiab ua kom tiav ib qho kev sib koom ua ke tom qab ncig ncig. Lub teeb rov qab nkag mus rau lub teeb-emitting diode (LED), uas yog siv los xyuas nws qhov kev siv zog. Thaum lub hauv paus ntsiab lus ntawm fiber ntau optic gyroscope tej zaum yuav zoo li ncaj nraim, qhov kev sib tw tseem ceeb tshaj plaws nyob rau hauv kev tshem tawm yam uas cuam tshuam rau txoj kev kho qhov muag ntev ntawm ob lub teeb teeb. Qhov no yog ib qho teeb meem tseem ceeb tshaj plaws nyob rau hauv kev txhim kho fiber ntau optic gyroscopes.
1: superluminescent diode 2: photodetector diode
3. Lub teeb qhov chaw txuas 4.fiber ntau nplhaib coupler 5.optical fiber ntau nplhaib
Qhov zoo ntawm Fiber Optic Gyroscopes
FOGs muaj ntau qhov zoo uas ua rau lawv tsis muaj nuj nqis hauv inertial navigation systems. Lawv muaj npe nrov rau lawv qhov tseeb tshwj xeeb, kev ntseeg tau, thiab kav ntev. Tsis zoo li txhua yam gyros, FOGs tsis muaj qhov txav txav, txo qhov kev pheej hmoo ntawm kev hnav thiab tsim kua muag. Tsis tas li ntawd, lawv tiv taus kev poob siab thiab kev co, ua rau lawv zoo tagnrho rau kev xav tau ib puag ncig xws li aerospace thiab kev tiv thaiv daim ntawv thov.
Kev sib xyaw ntawm Fiber Optic Gyroscopes hauv Inertial Navigation
Inertial navigation systems tau nce ntxiv nrog FOGs vim lawv qhov siab thiab kev ntseeg siab. Cov gyroscopes no muab cov kev ntsuas angular tshaj tawm qhov tseem ceeb rau kev txiav txim siab ntawm kev taw qhia thiab txoj hauj lwm. Los ntawm kev sib koom ua ke FOGs rau hauv cov txheej txheem inertial navigation uas twb muaj lawm, cov neeg ua haujlwm tuaj yeem tau txais txiaj ntsig los ntawm kev txhim kho navigation raug, tshwj xeeb tshaj yog nyob rau hauv cov xwm txheej uas tsim nyog heev.
Kev siv ntawm Fiber Optic Gyroscopes hauv Inertial Navigation
Kev suav nrog FOGs tau nthuav dav cov kev siv ntawm inertial navigation systems hla ntau yam. Nyob rau hauv aerospace thiab aviation, FOG-tsim systems muab cov kev taw qhia meej rau cov dav hlau, drones, thiab lub dav hlau. Lawv kuj tau siv dav hauv kev taug kev hauv hiav txwv, kev tshawb fawb geological, thiab cov neeg hlau siab heev, ua rau cov tshuab no ua haujlwm nrog kev ua tau zoo thiab kev ntseeg siab.
Cov qauv sib txawv ntawm Fiber Optic Gyroscopes
Fiber optic gyroscopes tuaj nyob rau hauv ntau yam structural configurations, nrog rau qhov tseem ceeb tshaj tam sim no nkag mus rau lub realm ntawm engineering yog lubkaw-voj polarization-tswj fiber ntau optic gyroscope. Lub hauv paus ntawm no gyroscope yog lubpolarization-tso fiber ntau voj, muaj xws li polarization-tswj fibers thiab ib tug precisely tsim qauv. Kev tsim kho ntawm lub voj no suav nrog plaub txoj kev sib npaug sib npaug, ntxiv los ntawm ib qho tshwj xeeb sealing gel los tsim cov khoom siv-lub xeev fiber ntau lub voj voog.
Ntsiab nta ntawmPolarization-Tswj Fiber Optic Gyro Coil
▶ Lub Cev Muaj Zog Tsim:Lub gyroscope loops muaj cov qauv tsim tshwj xeeb uas haum rau ntau hom polarization-tswj fibers nrog yooj yim.
▶ Fourfold Symmetric Winding Technique:Cov txheej txheem plaub sib npaug sib npaug ua kom txo tau cov nyhuv Shupe, kom ntseeg tau qhov tseeb thiab txhim khu kev ntsuas.
▶ Advanced Sealing Gel Khoom:Kev ua haujlwm ntawm cov khoom siv sealing siab heev, ua ke nrog cov txheej txheem kho tshwj xeeb, txhim khu kev tiv thaiv kev vibrations, ua cov gyroscope loops zoo tagnrho rau cov ntawv thov hauv qhov xav tau ib puag ncig.
▶ High Temperature Coherence Stability:Lub gyroscope loops muaj qhov kub thiab txias coherence stability, kom ntseeg tau qhov tseeb txawm nyob rau hauv ntau yam thermal tej yam kev mob.
▶ Lub Teeb Pom Kev Yooj Yim Yooj Yim:Lub gyroscope loops yog engineered nrog ib tug ncaj tsis tau yooj yim lub moj khaum, guaranteeing siab ua precision.
▶ Consistent Winding txheej txheem:Cov txheej txheem winding tseem nyob ruaj khov, yoog raws li qhov yuav tsum tau muaj ntawm ntau yam precision fiber ntau optic gyroscopes.
Kev siv
Groves, PD (2008). Taw qhia rau Inertial Navigation.Phau ntawv Journal of Navigation, 61(1), 13–28.
El-Sheimy, N., Hou, H., & Niu, X. (2019). Inertial sensors technologies rau kev siv navigation: lub xeev ntawm daim duab.Satellite Navigation, 1(1), 1–15.
Woodman, OJ (2007). Kev taw qhia rau inertial navigation.University of Cambridge, Computer Laboratory, UCAM-CL-TR-696.
Chatila, R., & Laumond, JP (1985). Txoj hauj lwm referencing thiab zoo ib yam ntiaj teb qauv qauv rau mobile robots.Hauv Kev Ua Haujlwm ntawm 1985 IEEE International Conference on Robotics thiab Automation(Vol. 2, p. 138–145). IEEE.
Xav Tau Kev Pab Cuam Dawb?
Ib txhia ntawm kuv qhov project
TXOJ CAI ua haujlwm uas kuv tau koom nrog. PROUDLY!
