?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=RANCANG+BANGUN+CATU+DAYA+DC+%0D%0A1V%E2%80%9320V+MENGGUNAKAN+KENDALI+P-I+BERBASIS+MIKROKONTROLER%0D%0A&rft.creator=M.Cahyadi%2C+0815031072&rft.subject=Teknik+Elektro.+Rekayasa+elektronik+Nuklir&rft.description=Catu+daya+DC+merupakan+suatu+rangkaian+elektronik+yang+mengubah+arus+listrik+bolak-balik+menjadi+arus+listrik+searah.+Secara+umum+prinsip+catu+daya+terdiri+atas+komponen+utama+yaitu+transformator%2C+dioda+dan+kondensator.+Umumnya+catu+daya+yang+dijual+dipasaran+menghasilkan+keluaran+tegangan+yang+tidak+stabil+dan+pengubahan+nilai+tegangan+keluaran+tidak+dapat+dilakukan+dengan+mudah%2C+sehingga+tidak+cocok+digunakan+sebagai+catu+daya+laboratorium.+Berdasarkan+latar+belakang+ini+penulis+mencoba+membuat+catu+daya+DC+menggunakan+kendali+P-I+berbasis+mikrokontroler+sehingga+mempermudah+untuk+mengatur+dan+mempertahankan+nilai+tegangan+yang+diinginkan.%0D%0A%0D%0APermasalahn+yang+timbul+adalah+bagaimana+catu+daya+diatur+untuk+mendapatkan+hasil+tegangan+keluaran+yang+sesuai+dengan+nilai+set-point+yang+diberikan.+Oleh+karena+itu+permasalahan+dapat+diselesaikan+dalam+dua+pokok+bahasan++yaitu%3A+pokok+bahasan+perangkat+keras+(hardware)+dan+pokok+bahasan+perangkat+lunak+(software)+yang+mampu+memprogram+catu+daya+secara+digital+dan+mengolah+masukan+data+agar+dapat+menghasilkan+keluaran+data+sesuai+dengan+yang+diinginkan.+Pada+alat+ini+menerapkan+kendali+PI+sehingga+mampu+mempertahankan+nilai+tegangan+apabila+terjadi+drop+ketika+pembebanan.+Dalam+penelitian+ini+menggunakan+mikronkontroller+ATmega+8535+sebagai+device+pengendali+utamanya%2C+Keypad+matrix+4x4+sebagai+input+set-point+dan+LCD+2x16+untuk+tampilan+pada+catu+daya+serta+menggunakan+perangkat+lunak+CVAVR+sebagai+pemrogram.%0D%0A%0D%0AHasil+yang+diperoleh+dari+penelitian+ini+adalah+memperlihatkan+bahwa+nilai+rata-rata+selisih+(volt)+sistem+Catu+Daya+DC+dengan+untai+tertutup+(close+loop)+lebih+kecil+(0%2C06V+%3B+0%2C25V+untuk+beban+lampu%2C+dan+0%2C07V+%3B+0%2C13+V+untuk+beban+kipas+angin+serta+0%2C02V+%3B+0%2C34+untuk+beban+dua+lampu).+Hal+ini+dapat+disebabkan+karena+pada+sistem+untai+tertutup+ada+upaya+untuk+memperbaiki+nilai+keluaran+agar+hasilnya+mendekati+atau+sama+dengan+nilai+yang+dinginkan+(set+point).%0D%0A%0D%0AKata+kunci%3A+catu+daya%2C+kendali+PI%2C+mikrokontroller%2C+perangkat+lunak+CVAVR%0D%0A%0D%0AAbstract+Bahasa+Inggris%0D%0ADC+power+supply+is+an+electronic+device+used+to+convert+an+Alternating+Current+AC+in+to+Direct+Current+(DC)+form.+Generally%2C+some+main+components+of+DC+power+supply+are+transformer%2C+dioda+and+condenser.+Commonly+DC+power+supply+that+is+sold+produces+unstable+output+voltage%2C+besides%2C+to+change+the+value+of+that+output+voltage+is+not+a+simply+way%2C+because+of+that+the+device+is+not+compatible+enough+to+be+used+in+laboratory.+Based+on+this+case%2C+the+writer+try+to+create+a+DC+power+supply+using+PI+control+based+an+microcontroller+in+purpose+to+make+the+voltage+setting+and+maintaining+value+be+come+easier.%0D%0A%0D%0AProblem+in+this+case+is+how+to+set+power+supply+in+order+to+obtain+some+corresponding+outputs+voltage+with+given+set+point.+Thus+the+problem+can+be+solved+in+two+main+subjects%2C+that+are+%3A+subject+of+hardware+and+software+that+able+to+operate+the+power+supply+in+digital+ways+and+used+as+the+processing+program+to+obtain+desired+output+data.+PI+controller+is+applied+in+this+device+so+it+be+able+to+maintain+the+voltage+value+whenever+the+drop+voltage+occur+as+the+result+of+load+effect.+Microcontroller+ATmega+8535+is+used+in+this+research+as+main+control+device%2C+keypad+matrix+4x4+is+used+as+input+of+setpoint+and+LCD+2x16+as+layer+display+of+power+supply%2C+this+research+is+also+require+CVAVR+as+software+programming.%0D%0A%0D%0AResults+show+that+deviation+average+value+of+power+supply+system+with+close+loop+is+smaller+(0%2C06V+%3B+0%2C25V+for+lamp+as+load+%3B+0%2C07V+%3B+0%2C13V+for+motor+as+load+and+0%2C02V+%3B+0%2C34V+for+two+lamp+load).+This+case+can+be+happened+as+the+impact+of+effort+from+the+closed+system+improve+the+value+of+the+output+so+that+result+is+close+to+or+equal+to+desired+value.%0D%0A%0D%0AKey+words%3A+power+supply%2C+PI+control%2C+microcontroller%2C+CVAVR+software%0D%0A&rft.publisher=Fakultas+Teknik&rft.date=2015-12-18&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21107%2F1%2F1.%2520Abstrak.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21107%2F2%2F2.%2520Abstract%2520%2520inggris.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21107%2F3%2F3.%2520Cover%2520dalam.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21107%2F4%2F4.%2520Persetujuan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21107%2F5%2F5.%2520Mengesahkan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21107%2F6%2F6.%2520Pernyataan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fd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