?url_ver=Z39.88-2004&rft_id=1415031041&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=RANCANG+BANGUN+ALAT+PENGUMPUL+KOPI+MODEL+TERHAMPAR+SECARA+OTOMATIS+BERBASIS+ARDUINO+UNO&rft.creator=DEKA+PERLANDA%2C+1415031041&rft.subject=Teknik+Elektro.+Rekayasa+elektronik+Nuklir&rft.description=Dalam+dunia+engineering%2C+suatu+sistem+direkayasa+menjadi+serba+otomatis.+Salah+satunya+pada+alat+bantu+pekerjaan%2C+yaitu+untuk+mempermudah+dan+mengefisienkan+waktu+serta+tenaga+yang+digunakan.+Jenis+alat+bantu+pekerjaan+yang+direkayasa+tersebut+adalah+alat+pada+proses+pengumpulan+kopi.+Untuk+menghasilkan+kopi+yang+terbaik+maka+proses+pengolahan+kopi+harus+dilakukan+secara+benar.+Kopi+dijemur+di+lapangan+terbuka+dibawah+terik+matahari+langsung.+Para+petani+pun+kualahan+saat+mengumpulkan+kopi+yang+masih+terhampar+di+lapangan+dan+apabila+mendadak+cuaca+sudah+mulai+mendung+dan+hujan+turun.+Sehingga+tercetuslah+ide+untuk+membuat+Rancang+Bangun+Alat+Pengumpul+Kopi+Model+Terhampar+Secara+Otomatis+Berbasis+Arduino+UNO+ini.%0D%0ARancangan+bangun+alat+ini+merupakan+miniatur+yang+dibuat+pada+bidang+agroindustri+kopi+yang+berukuran+60x90+cm.+Alat+ini+bekerja+apabila+sensor+LDR+mendeteksi+cuaca+gelap+dan+Arduino+UNO+akan+mengendalikan+motor+DC+untuk+menggerakan+sistem+mekanikal%2Faktuator.+Kemudian%2C+sistem+mekanikal+tersebut+akan+menggerakkan+dua+buah+papan+pengumpul+yang+bergerak+dari+dua+arah+yang+berbeda+dan+menarik+kopi+dari+pinggir+lapangan+menuju+ke+tengah+lapangan.+Pada+saat+proses+pengumpulan+kopi+sedang+dilakukan+dan+hujan+tiba-tiba+turun%2C+maka+terpal+otomatis+akan+menutupi+seluruh+permukaan+lapangan+untuk+mencegah+kopi+agar+tidak+basah%2C+berdasarkan+respon+yang+diterima+oleh+sensor+hujan.+Kopi+yang+selesai+dikumpulkan+akan+menggunung+dibagian+tengah+lapangan+dan+alat+akan+berhenti+bekerja.%0D%0ABerdasarkan+hasil+pengamatan+yang+dilakukan%2C+intensitas+cahaya+yang+dibaca+oleh+sensor+LDR+sangat+mempengaruhi+cara+kerja+alat+ini.+Saat+cuaca+terang+dengan+intensitas+sebesar+286+Lux+alat+tidak+akan+bekerja+dan+aktif+pada+saat+intensitas+dibawah+68+Lux.+Sedangkan+untuk+sistem+aktuator%2C+semakin+besar+torsi+pada+motor+maka+akan+semakin+besar+pula+arus+yang+terukur.+Sehingga+membutuhkan+daya+yang+lebih+besar+pula.+Terlihat+pada+saat+proses+pengumpulan+kopi+berlangsung+arus+yang+terukur+mencapai+1%2C1+ampere+dan+torsi+yang+terukur+mencapai+3%2C5+N%2Fm.+Maka+diperlukan+perancangan+yang+baik+pada+sistem+mekanikal+agar+tidak+terjadi+eror+yang+bisa+menyebabkan+penambahan+beban+pada+motor.%0D%0AKata+kunci%3A+Rekayasa%2C+otomatis%2C+sistem+electrical+dan+mechanical%2C+microcontroller%2C+Arduino+UNO.%0D%0ADESIGN+OF+COFFEE+AUTHORATED+BUILDING+IN+AUTOMATIC+BASED+ON+ARDUINO+UNO%0D%0A%0D%0AIn+the+world+of+engineering%2C+a+system+is+engineered+to+be+completely+automated.+One+of+them+on+the+work+aids%2C+namely+to+simplify+and+streamline+the+time+and+energy+used.+The+types+of+work+tools+that+are+engineered+are+tools+in+the+process+of+collecting+coffee.+To+produce+the+best+coffee+then+the+coffee+processing+must+be+done+correctly.+Coffee+is+dried+in+an+open+field+under+direct+sunlight.+The+farmers+were+defeated+when+collecting+coffee+that+still+lies+in+the+field+and+when+suddenly+the+weather+has+started+cloudy+and+rain+down.+So+the+idea+came+out+to+make+the+Design+of+Arduino+UNO+Model-Based+Automatic+Collecting+Apparatus.%0D%0A%0D%0AThe+design+of+this+tool+is+a+miniature+made+in+the+field+of+coffee+agro-industry+measuring+60x90+cm.+This+tool+works+when+the+LDR+sensor+detects+dark+weather+and+Arduino+UNO+will+control+the+DC+motor+to+drive+the+mechanical+%2F+actuator+system.+Then%2C+the+mechanical+system+will+move+two+collecting+boards+moving+from+two+different+directions+and+pull+the+coffee+from+the+sidelines+to+the+center+of+the+field.+At+the+time+the+coffee+collection+process+is+being+done+and+the+rain+suddenly+goes+down%2C+the+automatic+tarp+will+cover+the+entire+surface+of+the+field+to+prevent+the+coffee+from+getting+wet%2C+based+on+the+response+received+by+the+rain+sensor.+The+finished+coffee+will+be+mounted+in+the+center+of+the+field+and+the+equipment+will+stop+working.%0D%0A%0D%0ABased+on+observations+made%2C+the+intensity+of+light+read+by+LDR+sensors+greatly+affect+the+workings+of+this+tool.+When+the+weather+is+bright+with+the+intensity+of+286+Lux+the+appliance+will+not+work+and+is+active+at+the+intensity+below+68+Lux.+As+for+the+actuator+system%2C+the+greater+the+torque+on+the+motor+will+be+the+greater+the+measured+current.+So+it+requires+more+power+as+well.+Seen+at+the+time+of+the+process+of+collecting+the+current+measured+currents+reached+1.1+ampere+and+torque+measured+to+reach+3.5+N+%2F+m.+It+is+necessary+to+design+a+good+mechanical+system+to+avoid+errors+that+can+cause+additional+load+on+the+motor.%0D%0A%0D%0AKeywords%3A+Engineering%2C+automatic%2C+electrical+and+mechanical+systems%2C+microcontroller%2C+Arduino+UNO%2C+syntax.%0D%0A%0D%0A&rft.publisher=FAKULTAS+TEKNIK&rft.date=2018-05-09&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31920%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31920%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31920%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++DEKA+PERLANDA%2C+1415031041++(2018)+RANCANG+BANGUN+ALAT+PENGUMPUL+KOPI+MODEL+TERHAMPAR+SECARA+OTOMATIS+BERBASIS+ARDUINO+UNO.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F31920%2F