Thaum 6:23 ntawm Lub Rau Hli 2, 2024, Chang'e -6 kev sib sau ua ke thiab kev nce qib tau ua tiav hauv thaj chaw xaiv tsa ua ntej ntawm South Pole-Aitken Basin nyob deb ntawm lub hli, ua tiav. kov yeej qhov nyuaj "kev tsaws ntawm lub hli" nyuaj, thiab ua ib kauj ruam tseem ceeb rau pem hauv ntej kom ua tiav lub hom phiaj ntawm "tib neeg thawj qhov tsis siv neeg sampling thiab rov qab los ntawm sab deb ntawm lub hli". Lub laser ranges thiab tshaj tawm sensors thiab laser peb-dimensional imaging sensors tsim los ntawm Shanghai lub koom haum ntawm Technical Physics ntawm Suav Academy ntawm Sciences ua tau zoo, thiab cov cim Suav daws ib zaug dua ua pov thawj kuv lub teb chaws lub peev xwm kom ua tau meej kev tiv thaiv kev tiv thaiv rau landers ntawm lub lunar nto.
Kev tiv thaiv kev tiv thaiv thev naus laus zis rau kev cog qoob loo tsis tu ncua yog qhov chaw kub thiab nyuaj hauv kev tshawb nrhiav qhov chaw sib sib zog nqus thoob ntiaj teb, thiab cov cuab yeej siv kev cog qoob loo yog ib qho tseem ceeb thev naus laus zis rau yav tom ntej manned landing. Chang'e-6 yuav ua tiav thawj qhov tsis siv neeg sampling thiab rov qab los ntawm sab hnub poob ntawm lub hli. Piv nrog rau sab pem hauv ntej ntawm lub hli, struts nyob rau sab deb ntawm lub hli yog rugged, tshwj xeeb tshaj yog nyob rau hauv South Pole-Aitken Basin cheeb tsam nyob rau hauv lub deb ntawm lub hli muaj ib tug qis dua tag nrho cov struts thiab ntau yam craters, thiab illumination thiab Kev ntsuas thiab kev tswj xyuas muaj kev cuam tshuam ntau dua rau cov av occlusion. Cov xwm txheej no tau ua rau muaj teeb meem loj rau kev nyab xeeb tsaws rau lub hli.
Lub laser sib txawv thiab ceev sensors thiab laser peb-dimensional imaging sensors tsim los ntawm Shanghai lub koom haum ntawm Technical Physics yog ib qho tseem ceeb units ntawm Chang'e -6 cwj pwm tswj (GNC) subsystem. Lawv tau nruab rau ntawm qhov chaw tsaws thiab nce toj thiab pib ua haujlwm thaum lub sijhawm tsaws thiab qhovntsej thiaj tsis mob. Lawv tsis tu ncua muab kev tsaws navigation subsystem nrog kev ncua deb thiab ceev cov ntaub ntawv txheeb ze rau lub lunar nto, raws li zoo raws li high-precision peb-dimensional duab cov ntaub ntawv ntawm lander, los xyuas kom meej kev nyab xeeb thiab txhim khu kev qha tsaws ntawm lub sojntsuam.
Lub laser sib txawv thiab tshaj tawm sensor muab lub sijhawm nyob deb thiab cov ntaub ntawv ceev rau tus neeg tsav nkoj lub zog qhovntsej thiaj tsis mob thiab hovering kev zam. Lub laser rangeing sensor tau tig rau 5 feeb ua ntej lub ntsiab txo lub cav yog ignited. Qhov kev ntsuas thawj zaug tau txais qhov kev ncua deb ntawm tus neeg taug kev mus rau lub hnub qub, thiab tsis tu ncua muab cov ntaub ntawv muaj tseeb ntawm 20km txog 15m. Lub laser velocity sensor siv peb lub teeb orthogonal los tsim tus cwj pwm ruaj khov tswj kev siv nto. Thaum tus neeg taug kev tig mus rau qhov chaw ntsug thaum qhov kev ncua deb tsawg dua 3 km, qhov ntsuas pib. Thawj qhov kev ntsuas deb tshaj 4 km. Cov khoom siv tau ua haujlwm ruaj khov thaum lub sijhawm tsaws ntawm Chang'e-6 sojntsuam, thiab cov ntaub ntawv hloov pauv tau ruaj khov thoob plaws hauv cov txheej txheem.
Lub laser 3D imaging sensor ua hauj lwm nyob rau hauv lub feem ntau pheej hmoo hovering obstacle kev zam theem, scanning lub 50mx50m pre-xaiv thaj chaw, thiab sai sai ua tiav 3D duab nyob rau hauv ib lub quarter ntawm ib tug thib ob. Qhov kev daws teeb meem kab rov tav yog qhov zoo dua 0.2m, thiab qhov sib txawv yog zoo dua 0.05m. Lub navigation subsystem kho qhov chaw tsaws uas tau teem tseg hauv lub sijhawm tiag tiag raws li 3D taw tes huab, coj tus neeg taug kev los txhais lus thiab raug tsaws hauv thaj chaw nyab xeeb. Lub lander tsaws ntawm lub kaum sab xis ruaj khov, muab lub platform zoo meej rau cov qauv tom ntej thiab rov qab ua txoj haujlwm.
