Mu rwego rwo kuzamura ubushakashatsi no gushushanya inganda z’amakuru y’akarere hagamijwe gukora neza kandi neza, 1.5 μ m fibre fibre ihinduka imbaraga nyamukuru yo kuzamura isoko mu bice bibiri by’ingenzi by’ubushakashatsi bw’imodoka zitagira abapilote hamwe n’ubushakashatsi bwakozwe n'intoki, bitewe n’imihindagurikire y’ibisabwa. Hamwe no kwiyongera guturika kwa porogaramu nko gupima ubutumburuke buke no gushushanya amakarita yihutirwa ukoresheje drone, ndetse no gutondekanya ibikoresho byo gusikana intoki biganisha ku buryo bunoze kandi bworoshye, ingano y’isoko ku isi ingana na 1.5 μ m fibre fibre yo gukora ubushakashatsi yarengeje miliyari 1,2 y’amayero mu 2024, hakenewe ibinyabiziga byo mu kirere bitagira abapilote hamwe n’ibikoresho bikoreshwa mu ntoki bingana na 60% by’umwaka. Inyuma yibi bisabwa ni reonance yuzuye hagati yimikorere idasanzwe ya 1.5 m m hamwe nibisabwa bikenewe kugirango ukuri, umutekano, hamwe n’ibidukikije bihindagurika mu bushakashatsi bwakozwe.
1 Incamake Ibicuruzwa
"1.5um Fibre Laser Series" ya Lumispot ikoresha tekinoroji yo kongera ingufu za MOPA, ifite imbaraga zo hejuru cyane hamwe na electro-optique yo guhindura imikorere, igipimo cy’urusaku ruke rwa ASE hamwe n’umurongo mwinshi w’ubushyuhe, ku buryo bikwiriye gukoreshwa nk'isoko ya LiDAR. Muri sisitemu yo gukora ubushakashatsi nka LiDAR na LiDAR, laser ya 1.5 μ m ya fibre ikoreshwa nkibyingenzi bitanga urumuri, kandi ibipimo byayo byerekana neza "ukuri" n "" ubugari "bwo gutahura. Imikorere yibi bice byombi ifitanye isano itaziguye no gukora neza no kwizerwa byimodoka zitagira abapilote mubushakashatsi bwubutaka, kumenyekanisha intego, irondo ryumuriro nibindi bintu. Urebye amategeko yo gukwirakwiza kumubiri hamwe na logique yo gutunganya ibimenyetso, ibimenyetso bitatu byingenzi byerekana imbaraga zimpinga, ubugari bwimisemburo, hamwe nuburebure bwumuraba ni impinduka zingenzi zigira ingaruka kumyumvire no kurwego. Uburyo bwabo bwibikorwa bushobora kubora binyuze mumurongo wose w "" ibimenyetso byohereza ikirere cyoherejwe nikimenyetso cyo kwakira ibimenyetso ".
2 、 Imirima yo gusaba
Mu rwego rwo gupima no gushushanya ikirere kitagira abapilote, icyifuzo cya lazeri ya fibre 1.5 μ m cyaturikiye kubera gukemura neza ingingo z’ububabare mu bikorwa byo mu kirere. Ikibuga cy’indege zitagira abapilote gifite imbogamizi zikomeye ku bunini, uburemere, n’ingufu zikoreshwa mu kwishyurwa, mu gihe igishushanyo mbonera cy’imiterere n’ibintu byoroheje biranga 1.5 μ m fibre fibre irashobora kugabanya uburemere bwa sisitemu ya laser radar kugeza kuri kimwe cya gatatu cy’ibikoresho gakondo, ihuza neza n’ubwoko butandukanye bw’imodoka zitagira abapilote nka rotor nyinshi n’ibaba rihamye. Icy'ingenzi cyane, iri tsinda riri muri "idirishya rya zahabu" ryohereza ikirere. Ugereranije na lazeri isanzwe ikoreshwa 905nm, itumanaho ryayo ryagabanutseho hejuru ya 40% mubihe bigoye byubumenyi bwikirere nkumwotsi n ivumbi. Ifite ingufu zingana na kilowati, irashobora kugera ku ntera irenga metero 250 ku ntego zifite icyerekezo cya 10%, ikemura ikibazo cyo "kutagaragara neza no gupima intera" ku binyabiziga byo mu kirere bitagira abadereva mu bushakashatsi bwakorewe mu misozi, mu butayu no mu tundi turere. Muri icyo gihe, uburyo bwiza bwo kurinda amaso y’umuntu - kwemerera ingufu zikubye inshuro zirenga 10 izo 905nm ya lazeri - ituma drone ikorera ku butumburuke buke bidakenewe ibikoresho byongera umutekano birinda umutekano, bikazamura cyane umutekano n’ubworoherane bw’ahantu hafite abantu nko gupima imijyi no gushushanya ikarita y’ubuhinzi.
Mu rwego rwo gukora ubushakashatsi no gushushanya amakarita, kwiyongera kwa 1.5 μ m fibre fibre bifitanye isano rya hafi nibisabwa byibanze byifashishwa kandi bisobanutse neza. Ibikoresho bigezweho bigenzurwa bigomba gukenera guhuza n'imihindagurikire y'ikirere kandi byoroshye gukora. Urusaku ruke rusohoka hamwe nubuziranenge bwo hejuru bwa 1.5 μ m fibre ya fibre ituma ibyuma bisikana intoki bigera ku bipimo bya micrometero bipima neza, byujuje ibyangombwa bisobanutse neza nko gukwirakwiza ibikoresho by’umuco hamwe no kumenya inganda. Ugereranije na 1.064 μ m ya laseri gakondo, ubushobozi bwayo bwo kurwanya interineti bwateye imbere cyane mumashanyarazi akomeye hanze. Ufatanije n’ibipimo byo gupima bidahuza, birashobora kubona byihuse amakuru yikigereranyo cyibice bitatu byerekana ibintu nko gusana inyubako za kera hamwe n’ahantu ho gutabara byihutirwa, bitabaye ngombwa ko hategurwa mbere. Ikigaragara cyane ni uko igishushanyo mbonera cyacyo gishobora kwinjizwa mu bikoresho byabigenewe bipima munsi ya garama 500, hamwe n'ubushyuhe bwagutse bwa -30 ℃ kugeza kuri 60 ℃, bigahuza neza n'ibikenewe mu bikorwa byinshi nko gukora ubushakashatsi ku murima no kugenzura amahugurwa.
Urebye uruhare rwarwo rwibanze, 1.5 μ m fibre lazeri yabaye igikoresho cyingenzi cyo kuvugurura ubushobozi bwo gukora ubushakashatsi. Mu bushakashatsi bw’imodoka zitagira abapilote, bukora nk '"umutima" wa radar ya lazeri, bugera ku ntera ya santimetero zingana neza binyuze mu bisohokayandikiro bya nanosekond, bigatanga amakuru y’igicu cyinshi cyerekana imiterere ya 3D yerekana imiterere n’umurongo w’amashanyarazi ugaragaza ibintu by’amahanga, kandi bikazamura imikorere y’ubushakashatsi bw’imodoka zitagira abapilote inshuro zirenga eshatu ugereranije n’uburyo gakondo; Mu rwego rwo gukora ubushakashatsi ku butaka bw’igihugu, ubushobozi bwacyo bwo kumenya kure burashobora kugera ku bushakashatsi bunoze bwa kilometero kare 10 kuri buri ndege, hamwe namakosa yamakuru yagenzuwe muri santimetero 5. Mu rwego rwo gukora ubushakashatsi bwakozwe n'intoki, iha imbaraga ibikoresho kugira ngo bigere ku "gukora no kubona" uburambe mu bikorwa: mu kurinda umurage ndangamuco, irashobora gufata neza neza imiterere y’imiterere y’ibisigisigi by’umuco kandi igatanga urugero rwa milimetero ya 3D yo kubika ububiko bwa digitale; Muburyo bwubuhanga, geometrike yamakuru yibintu bigoye irashobora kuboneka byihuse, byihutisha ibishushanyo mbonera; Mu bushakashatsi bwihutirwa no gushushanya, hamwe n’ubushobozi bwo gutunganya amakuru ku gihe, icyitegererezo cy’ibice bitatu by’akarere kibasiwe nacyo gishobora gutangwa mu gihe cy’isaha imwe nyuma y’imitingito, imyuzure, n’ibindi biza bibaye, bigatanga inkunga ikomeye yo gufata ibyemezo byo gutabara. Kuva mubushakashatsi bunini bwo mu kirere kugeza kubisikana neza, laser ya 1.5 μ m fibre fibre itera inganda ziperereza mugihe gishya cya "precision + high efficient".
3 ibyiza
Intangiriro yurwego rwo gutahura nintera ya kure aho fotone yoherejwe na lazeri ishobora gutsinda ikirere no gutakaza intego yo gutekereza, kandi bigakomeza gufatwa nimpera yakira nkibimenyetso bifatika. Ibipimo bikurikira byerekana isoko nziza ya laser 1.5 μ m fibre laser yiganjemo iki gikorwa:
Power Peak power (kW): bisanzwe 3kW @ 3ns & 100kHz product Ibicuruzwa byazamuwe 8kW @ 3ns & 100kHz n "" imbaraga nyamukuru yo gutwara "urwego rwo gutahura, byerekana ingufu zihita zirekurwa na lazeri mumitsi imwe, kandi nikintu cyingenzi kigena imbaraga zerekana ibimenyetso birebire. Mu gutahura drone, fotone igomba gukora metero amagana cyangwa ibihumbi n'ibihumbi mu kirere, ibyo bikaba bishobora gutera kwiyongera bitewe na Rayleigh ikwirakwizwa no kwinjiza aerosol (nubwo umurongo wa 1.5 μ m uri mu "idirishya ryikirere", haracyariho kwitabwaho). Muri icyo gihe, intego yo kugaragariza hejuru (nk'itandukaniro ry'ibimera, ibyuma, n'amabuye) nabyo bishobora gutera gutakaza ibimenyetso. Iyo imbaraga zo hejuru ziyongereye, ndetse na nyuma yo kwiyegereza intera ndende no gutakaza ibitekerezo, umubare wa fotone ugera ku ndunduro yakira urashobora guhura n’ikigereranyo cy’ibimenyetso byerekana urusaku ", bityo ukagura intera yo gutahura - urugero, mu kongera ingufu za lazeri ya 1.5 μ m ya fibre fibre kuva kuri 1kW ikagera kuri 5kW, mugihe kimwe nikirere gishobora gukwirakwira kugera kuri metero 200" ntigishobora kugera kuri metero 200 ". ibipimo binini byubushakashatsi nkibice byimisozi nubutayu bwa drone.
Wide Ubugari bwa pulse (ns): burashobora guhinduka kuva 1 kugeza 10ns. Igicuruzwa gisanzwe gifite ubushyuhe bwuzuye (-40 ~ 85 ℃) ubugari bwubushyuhe bwa pulse ya ≤ 0.5ns; ikindi, irashobora kugera ku bushyuhe bwuzuye (-40 ~ 85 ℃) impiswi y'ubugari bwa pulse ya ≤ 0.2ns. Iki kimenyetso ni "igihe igipimo" cyo kugereranya intera, byerekana igihe cya laser pulses. Ihame ryo kubara intera yo kumenya drone ni "intera = (umuvuduko wumucyo x pulse yo kuzenguruka-urugendo) / 2", bityo ubugari bwa pulse bugena neza "igihe cyo gupima igihe". Iyo ubugari bwa pulse bwagabanutse, "igihe gikarishye" cya pulse cyiyongera, kandi ikosa ryigihe hagati y "igihe cyo gusohora impanuka" n "" igihe cyo kwakira impiswi "ku iherezo ryakiriwe kizagabanuka cyane.
Stability Umuhengeri uhamye: mu masaha ya 1 pm/℃, ubugari bwumurongo ku bushyuhe bwuzuye bwa 0.128nm ni "icyuma cyukuri" kibangamiye ibidukikije, hamwe n’imihindagurikire y’ibisohoka bya laser hamwe nubushyuhe hamwe n’imihindagurikire y’umuvuduko. Sisitemu yo gutahura mu burebure bwa 1.5 μ m ubusanzwe ikoresha "tekinoroji yo kwakira abantu benshi" cyangwa "interferometrie" ikorana buhanga kugira ngo irusheho kuba inyangamugayo, kandi ihindagurika ry’umuraba rishobora gutera mu buryo butaziguye ibipimo ngenderwaho - urugero, iyo drone ikorera ku butumburuke, ubushyuhe bw’ibidukikije bushobora kuzamuka kuva kuri -10 ℃ kugeza 30 ℃. Niba coeffisente yubushyuhe bwumurambararo wa 1.5 μ m fibre ya fibre ni saa kumi nimwe zumugoroba / ℃, uburebure bwumuraba buzahinduka saa kumi nimwe zumugoroba, kandi ikosa ryo gupima intera ijyanye naryo riziyongera kuri milimetero 0.3 (bikomoka kumasano afitanye isano nuburebure bwumuvuduko numuvuduko wumucyo). Cyane cyane mumashanyarazi atwara abapilote atwara indege, ibipimo nyabyo nka wire sag hamwe nintera yumurongo bigomba gupimwa. Uburebure butajegajega bushobora kuganisha ku gutandukana kwamakuru kandi bikagira ingaruka ku isuzuma ry'umutekano ku murongo; Laser ya 1.5 μ m ikoresheje tekinoroji yo gufunga umurongo irashobora kugenzura ituze ryumurongo mugihe cya 1h00/℃, bigatuma urwego rwa santimetero rumenyekana neza nubwo impinduka zubushyuhe zibaho.
Syn Gukoresha ibipimo ngenderwaho: "Kuringaniza" hagati yukuri nukuri murwego rwo kumenya indege zitagira abaderevu, aho ibipimo bidakora byigenga, ahubwo bifite isano ifitanye isano cyangwa ibuza. Kurugero, kongera imbaraga zimpanuka zirashobora kwagura intera yo gutahura, ariko birakenewe kugenzura ubugari bwimpiswi kugirango wirinde kugabanuka kwukuri (impirimbanyi ya "power power + pulse pulse" igomba kugerwaho hifashishijwe ikoranabuhanga rya compression compression); Kunoza ubwiza bwibiti birashobora icyarimwe kunoza intera nukuri (kwibanda kumurongo bigabanya imyanda yingufu no guhuza ibipimo biterwa no gutwikira urumuri rurerure). Ibyiza bya 1.5 μ m fibre laser biri mubushobozi bwayo bwo kugera kubintu byiza "imbaraga zo hejuru (1-10 kW), ubugari bwagutse (1-10 ns), ubwiza bwumucyo mwinshi (M ² <1.5), hamwe nuburebure bwumurambararo mwinshi (<1 pm/℃)" binyuze mubihombo bike biranga itangazamakuru rya fibre hamwe na tekinoroji yo guhinduranya. Ibi bigera ku ntera ebyiri "intera ndende (metero 300-500) + hejuru cyane (urwego rwa santimetero)" mu gutahura ibinyabiziga byo mu kirere bitagira abapilote, ari naryo shingiro ry’ibanze mu gusimbuza lazeri gakondo 905nm na 1064nm mu bushakashatsi bw’imodoka zitagira abapilote, gutabara byihutirwa n’ibindi bintu.
Guhindura
Ubugari bwimisemburo ihamye & pulse ubugari bwubushyuhe bukenewe
Ubwoko bwibisohoka & ibisohoka ishami
Reba igipimo cyumucyo ugabanije
Average Ugereranije imbaraga zihamye
Requirement Icyifuzo cyaho
Igihe cyo kohereza: Ukwakira-28-2025