Momwe Ma Drone Injini Amagwirira Ntchito ndi Ntchito Zawo
Ma drone—kapena magalimoto amlengalenga opanda anthu (UAVs)—akuchulukirachulukira, kuyambira kujambula zithunzi zamasewera mpaka kuyang'anira ulimi kwakukulu. Ngakhale kuti ali ndi mawonekedwe ocheperako, ma drone ndi ophatikizana a makina, zamagetsi, ndi mapulogalamu omwe amagwira ntchito limodzi kuti akwaniritse kuuluka kokhazikika, kuyankha malamulo, ndikuchita ntchito zinazake. Nkhaniyi ikufotokoza momwe "mainjini" a ma drone ( ponena za makina oyendetsa ndi owongolera ndege ) amagwirira ntchito komanso ntchito zawo zazikulu m'magawo osiyanasiyana.
1. Zigawo zazikulu zomwe zimapangitsa kuti drone iwuluke
Kuti drone iwuluke, pali zinthu zingapo zofunika zomwe zimagwirizana:
1. Chimango
Kapangidwe kake kamene kamathandizira zigawo zonse. Kapangidwe kake nthawi zambiri kamakhala pulasitiki yophatikizika, ulusi wa kaboni, kapena aluminiyamu yopepuka. Kapangidwe ka chimango kamakhudza kayendedwe ka mpweya, kulimba, ndi mphamvu ya katundu.
2. Magalimoto
Ma drone ambiri a multirotor amagwiritsa ntchito ma mota opanda maburashi chifukwa ndi othandiza, amphamvu, komanso osakonza bwino. Ma mota amenewa ndi omwe amachititsa kuti ma propeller apange mphamvu.
3. Chonyamulira
Choponderacho chimasintha kuzungulira kwa injini kukhala mpweya wotsikira pansi, zomwe zimapangitsa kuti chikwezedwe. Kukula ndi kukwera kwa choponderacho kumakhudza magwiridwe antchito, kusuntha, ndi kugwiritsa ntchito mphamvu.
4. ESC (Wowongolera Liwiro Lamagetsi)
ESC ndi "chowongolera mphamvu" cha mota. Chowongolera ndege chimatumiza chizindikiro ku ESC, chomwe chimawongolera mphamvu yamagetsi kupita ku mota, ndikuwonjezera kapena kuchepetsa ma revs ake molondola.
5. Batiri
Mabatire a LiPo (Lithium Polymer) nthawi zambiri amagwiritsidwa ntchito chifukwa amatha kupereka mafunde amphamvu. Mphamvu (mAh), voteji (monga 3S/4S/6S), ndi C rating zimatsimikiza nthawi youluka komanso momwe imagwirira ntchito.
6. Woyang'anira Ndege (FC)
Uwu ndi "ubongo" wa drone. FC imalandira deta ya sensa (gyroscope, accelerometer, barometer, magnetometer), imaigwiritsa ntchito, kenako imatulutsa malamulo ku ESC/motor kuti ikhazikitse drone ndikuyenda motsatira zomwe zalowetsedwa.
7. Zosewerera zoyendera ndi malo
– IMU (Inertial Measurement Unit): kuphatikiza kwa gyroscope ndi accelerometer kuti muwerenge kayendedwe ndi kupendekera.
– GPS/GLONASS/Galileo: imazindikira malo ndipo imathandizira ndi njira zoyendetsera ndege zokha monga kubwerera kunyumba.
– Barometer: imathandiza kusunga mtunda.
– Kampasi (magnetometer): imathandiza kuyang'ana komwe kuli.
8. Njira yolumikizirana
- Kuwongolera kutali (RC link): tumizani malamulo oyendetsa.
– Chotumizira kanema / ulalo wa digito: wa FPV (Kuwona Munthu Woyamba).
- Telemetry: imatumiza deta monga batri, kutalika, liwiro, ndi malo.
9. Malipiro
Ikhoza kukhala kamera, gimbal, multispectral sensor, lidar, speaker, kapena ngakhale makina opopera/otsitsa.
2. Mfundo zoyambira zoyendetsera ndege ya multirotor drone
Ma drone a multirotor (quad, hexa, octo) amauluka powongolera liwiro lozungulira la injini iliyonse. Mosiyana ndi ndege zokhala ndi mapiko okhazikika, zomwe zimadalira mapiko kuti zipange kukweza ndege pouluka, multirotors amapanga kukweza ndege pafupifupi kwathunthu kuchokera ku propeller thrust.
Mayendedwe anayi akuluakulu a drone amafotokozedwa ndi kusintha kwa kayendedwe ka injini:
– Kunyamuka/kukwera: ma mota onse amafulumizitsidwa kuti mphamvu yonse yokweza ifike > kulemera kwa drone.
– Kutsika: mota imachepetsedwa liwiro kotero kuti mphamvu yokweza < kulemera kwa drone.
– Pitch (kutsogolo/kumbuyo): ma mota akutsogolo ndi akumbuyo amapangidwa kuti akhale ndi liwiro losiyana, kotero kuti drone imapendekeka ndikuyenda patsogolo kapena kumbuyo.
– Ma roll (kumanzere/kumanja): ma mota akumanzere ndi kumanja amapangidwa kuti akhale ndi liwiro losiyana kuti drone iyenderere mbali ina.
– Yaw (kuzungulira pamalo): ma mota awiri omwe amazungulira mozungulira wotchi ndi motsutsa wotchi amakhala ndi ma thrash osiyanasiyana, zomwe zimapangitsa kuti drone izungulire.
Chinsinsi cha kukhazikika kwa drone ndikuwongolera mwachangu kwambiri. Chowongolera ndege chimakonza maulendo makumi mpaka mazana pa sekondi (kutengera ma loops owongolera monga ma PID), kuonetsetsa kuti drone imakhalabe yokhazikika ngakhale kusintha kwa mphepo kapena katundu.
3. Momwe "injini" ya drone imagwirira ntchito: kuyambira pa malamulo mpaka kuyenda kwa injini
Mawu oti "injini" m'ma drones nthawi zambiri amatanthauza makina oyendetsera (motor + propeller + ESC) ndi makina owongolera omwe amawongolera. Kayendedwe ka ntchito ndi motere:
1. Woyendetsa ndege kapena ntchito yodziyimira payokha imapereka malangizo
Malamulo angachokere ku remote stick (manual), waypoint (automatic), kapena pulogalamu ya mission (monga mapu).
2. Chowongolera ndege chimawerenga masensa
FC nthawi zonse imayerekeza momwe drone ilili panopa (kupendekera, kuthamanga, komwe ikupita, kutalika, malo a GPS) ndi cholinga chomwe mukufuna.
3. Njira yokhazikitsira zinthu imawerengera kukonza
Mwachitsanzo, ngati drone ipendekera kumanja chifukwa cha mphepo yamphamvu, FC imawerengera kusintha kuti iwonjezere kugwedezeka kumbali imeneyo kuti ibwezeretse bata.
4. FC imatumiza chizindikiro ku ESC
Chizindikirocho chingakhale PWM, OneShot, DShot, kapena protocol ina. Lamuloli limatsimikiza momwe mota iyenera kuzungulirira mofulumira.
5. ESC imayang'anira mphamvu yamagetsi kupita ku mota yopanda burashi.
Ma mota opanda burashi amagwira ntchito ndi mphamvu ya maginito "yozungulira" yamagetsi. ESC imapereka mphamvu yamagetsi. mu kapangidwe kena kuti muzungulire rotor bwino komanso molondola gawo.
6. Propeller imapanga mphamvu
Kuzungulira kwa injini kumayendetsa propeller, kukankhira mpweya pansi, ndikupanga kukweza ndi kuyendetsa ngati pakufunika.
Machitidwe onsewa amabwerezedwa mosalekeza munthawi yochepa kwambiri, kotero kuti drone imawoneka ngati "ikuyandama mosalekeza" pomwe kwenikweni ikupanga kusintha kwa micro-corrections kosalekeza.
4. Kuyang'anira mphamvu ndi zinthu zomwe zimakhudza nthawi ya ulendo
Mphamvu ndiye chinthu chachikulu chomwe chimalepheretsa ma drone. Kutalika kwa nthawi youluka kumakhudzidwa ndi:
- Kuchuluka kwa batri komanso kugwiritsa ntchito bwino injini ndi chonyamulira
Wonyoza kumanja zimatha kusunga mphamvu zambiri.
- Kulemera konse
Ikakhala yolemera kwambiri (monga kunyamula kamera yayikulu), ikafunika kuyikidwa kwambiri, imakhala yowononga ndalama zambiri.
- Mphepo ndi kalembedwe kouluka
Kuuluka mwaukali, kuthamanga kwambiri, kapena kulimbana ndi mphepo kudzawonjezera kutha kwa mabatire.
- Kutentha
Mabatire a LiPo nthawi zambiri amawonongeka pa kutentha kochepa.
Ma drone aukadaulo nthawi zambiri amakhala ndi njira zowunikira mabatire ndi kuwerengera nthawi yotsala yowuluka kuti alole oyendetsa ndege kubwerera kwawo mphamvu zofunika kwambiri zisanathe.
5. Njira yoyendera ndege ndi zochita zokha
Ma drone amakono ali ndi njira zosiyanasiyana zowulukira, mwachitsanzo:
- Khazikitsani/Mawonekedwe a ngodya: drone imasunga kupendekeka yokha, yoyenera oyamba kumene.
- Kugwira mtunda: sungani mtunda ndi barometer.
– Kusunga malo (GPS): kumasunga malo pamalo enaake.
– Kubwerera Kunyumba (RTH): kubwerera pamalo onyamukira chizindikiro chikatayika kapena batire ikachepa.
- Ntchito ya Waypoint: kuuluka motsatira njira ya malo ogwirizana.
Izi zokha ndi zomwe zimapangitsa kuti ma drone akhale chida chogwirira ntchito, osati chidole chokha.
6. Kugwiritsa ntchito ma drone m'magawo osiyanasiyana
1) Kujambula zithunzi ndi makanema
Ma drone amanyamula makamera okhala ndi ma gimbals kuti apange zithunzi zokhazikika zamlengalenga. Amagwiritsidwa ntchito pa mafilimu, malonda, zolemba zochitika, komanso zinthu zapaintaneti. Ubwino wawo ndi wakuti amajambula ngodya zomwe kale zinali zovuta kapena zodula kuzikwaniritsa.
2) Kujambula mapu ndi kufufuza malo
Ndi makamera apamwamba kwambiri kapena masensa apadera, ma drone amatha kupanga orthomosaics, mitundu ya 3D, ndi mamapu a contour. Ntchito zake zikuphatikizapo:
- kafukufuku wa malo ndi malo,
- kuyeza kuchuluka kwa migodi yomwe yasungidwa,
- kukonzekera zomangamanga.
3) Ulimi wolondola
Ma drone amatha kuyang'anira thanzi la mbewu pogwiritsa ntchito makamera ambiri (monga NDVI), kuzindikira madera omwe madzi akusowa, kufalikira kwa tizilombo, kapena kusowa kwa michere. Palinso ma drone opopera omwe amathandiza kufalitsa mankhwala ophera tizilombo/feteleza m'njira yolunjika.
4) Kuyang'anira zomangamanga
Ma drone amagwiritsidwa ntchito pofufuza:
- nsanja yolumikizirana,
- netiweki yamagetsi,
- mlatho,
- denga la nyumba,
- ma turbine amphepo.
Izi zimachepetsa zoopsa kwa ogwira ntchito ndipo zimafulumizitsa ntchito yowunikira.
5) Kusaka ndi kupulumutsa (SAR) ndi kuchepetsa masoka
Ma drone okhala ndi makamera otentha amatha kusaka anthu okhudzidwa m'malo akuluakulu, kuphatikizapo usiku kapena m'malo odzaza utsi. Pa kusefukira kwa madzi ndi kugumuka kwa nthaka, ma drone amathandiza kupanga mapu ofulumira komanso kuwunika kuwonongeka.
6) Chitetezo ndi kuyang'anira
Ma drone amatha kuyang'anira nthawi zonse madera a mafakitale, minda, kapena malire. Komabe, mfundo zachinsinsi ndi malamulo ziyenera kuganiziridwa.
7) Kayendetsedwe ka zinthu ndi kutumiza
M'mayiko angapo, ma drone akuyesedwa kuti apereke katundu wopepuka (mankhwala, zitsanzo za labotale, mapaketi ang'onoang'ono). Mavuto akuphatikizapo chitetezo, njira zoyendera ndege, nyengo, ndi zilolezo.
7. Mavuto ndi mbali za chitetezo
Ngakhale kuti ndi othandiza, ma drone ali ndi mavuto:
- Malamulo oyendetsa ndege: malire okwera, madera oletsedwa, zilolezo zogwirira ntchito, ndi zofunikira pa kuyendetsa ndege.
– Chitetezo: chiopsezo cha kugundana, kugwa chifukwa cha batri, kapena kusokonezedwa ndi chizindikiro.
– Nyengo: mphepo yamphamvu ndi mvula zimakhudza kwambiri kukhazikika kwa nthaka.
- Zachinsinsi ndi makhalidwe abwino: kugwiritsa ntchito kamera kuyenera kukhala koyenera.
Kugwiritsa ntchito zinthu zomwe sizingalepheretse ngozi, kukonza nthawi zonse propeller/motor , kuwerengera masensa, ndi njira zowunikira ndege isananyamuke ndikofunikira kuti tipewe ngozi.
Kutseka
Momwe drone imagwirira ntchito kwenikweni ndi kupanga ma motors opanda brushless, ma propeller, ma ESC, mabatire, ndi owongolera ndege omwe amapitiliza kukonza deta ya masensa kuti asunge bata. Mothandizidwa ndi GPS, barometers, ndi ma algorithms owongolera, ma drone amatha kuuluka pamanja kapena okha ndikuchita ntchito zosiyanasiyana. Ntchito zawo tsopano zimachokera ku dziko lolenga kupita ku mafakitale - kupanga mapu, ulimi wolondola, kuyang'anira zomangamanga, kusaka ndi kupulumutsa (SAR), chitetezo, ndi kayendedwe ka zinthu. Kupita patsogolo, pamene magwiridwe antchito a mabatire akukwera, luntha lochita kupanga likuchulukirachulukira, ndipo malamulo akukhwima, ma drone adzakhala zida zofunika kwambiri pantchito yatsiku ndi tsiku.
Ngati mukufuna, nditha kusintha nkhaniyi kuti ikhale yasayansi kwambiri (ndi magawo aukadaulo monga PID, DShot, BLDC commutation) kapena yotchuka kwambiri kwa owerenga ambiri.
