?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+SINYAL+SUARA+MESIN+KOMPRESOR+UNTUK+MENGKARAKTERISASI+PENURUNAN+KUALITAS+PELUMAS+DENGAN+MENGGUNAKAN+METODE+FAST+FOURIER+TRANSFORM+(FFT)&rft.creator=Muhammad+Rizalul+Wahid%2C+1117041023&rft.subject=Q+Science+(General)&rft.description=Telah+dilakukan+penelitian+analisis+frekuensi+sinyal+suara+mesin+kompresor+terhadap+viskositas+pelumas+dengan+menggunakan+metode+Fast+Fourier+Transform+(FFT).+Sampel+pelumas+yang+digunakan+berasal+dari+pelumas+motor+matic+Honda+Beat+yang+berjumlah+delapan+buah+dengan+nilai+viskositas+7.5058+Ns%2Fm2+sampai+8.8790+Ns%2Fm2.+Penelitian+ini+bertujuan+untuk+mengetahui+hubungan+frekuensi+suara+mesin+kompresor+terhadap+nilai+pelumas+yang+diberikan.+Analisis+frekuensi+suara+dari+mesin+kompresor+dilakukan+pada+empat+daerah+kompresor%2C+yaitu+daerah+pelumas%2C+daerah+torak%2C+piston%2C+silinder%2C+daerah+motor%2C+dan+daerah+tabung+udara+mesin+kompresor.+Hasil+suara+dari+setiap+daerah+mesin+kompresor+ditampilkan+dalam+spektrum+spectrogram+untuk+dapat+dianalisis+rentang+frekuensi+yang+ada+pada+setiap+waktu+perekaman.+Frekuensi+dominan+dari+rentang+frekuensi+hasil+spectrogram+dapat+diketahui+dengan+menggunakan+FFT.+Hasil+frekuensi+yang+didapatkan+dari+keempat+daerah+penting+mesin+kompresor+masih+bersifat+acak+seiring+dengan+penurunan+nilai+viskositas+yang+diberikan.%0D%0A%0D%0AKata+Kunci.+Kompresor%2C+fast+fourier+transform%2C+frekuensi%2C+spectrogram.%0D%0A%0D%0A%0D%0A%0D%0AThe+research+of+sound+signal+frequency+for+analysis+of+viscosity+lubricant+compressor+machine%2C+the+determination+relationship+of+sound+frequencies+compressor+on+lubricant+value%2C+has+been+conducted+by+Fast+Fourier+Transform+(FFT)+method.+The+eight+samples+taken+from+the+lubricants+Honda+Beat+matic+motor++with+a+viscosity+value+of+7.5058+Ns+%2F+m2+up+to+8.8790+Ns+%2F+m2.+The+analysis+of+sound+frequencies+compressor+machine+was+performed+on+four+areas+of+compressor+machine%2C+consist+of+compressor+lubricants%2C+piston+and+cylinder%2C+motor%2C+and+air+tube+compressor+machine+areas.+The+results+from+each+areas+compressor+machine+was+shown+in+the+spectrogram+spectrum%2C+then+they+were+analyzed+for+frequency+ranges+that+exist+in+each+recording+time.+The+dominant+frequency+of+the+frequency+range+spectrogram+results+can+be+determined+by+FFT+method.+The+frequency+results+of++four+compressor+areas+were+random%2C+although+viscosity+values+was+decreased.%0D%0A%0D%0AKeywords.+Compressor%2C++fast+fourier+transform%2C+frequency%2C+spectrogram.%0D%0A&rft.publisher=Fakultas+MIPA&rft.date=2016-02-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F2%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F3%2FCover%2520dalam.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F4%2FPESETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F5%2FMENGESAHKAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F6%2FPERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F8%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F9%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F11%2FDaftar%2520Isi.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F12%2FDaftar%2520Tabel.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F13%2FDaftar%2520Gambar.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F17%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F18%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F20%2FLAMPIRAN-LAMPIRAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F19%2Fdapus.pdf&rft.identifier=++Muhammad+Rizalul+Wahid%2C+1117041023++(2016)+ANALISIS+SINYAL+SUARA+MESIN+KOMPRESOR+UNTUK+MENGKARAKTERISASI+PENURUNAN+KUALITAS+PELUMAS+DENGAN+MENGGUNAKAN+METODE+FAST+FOURIER+TRANSFORM+(FFT).++Fakultas+MIPA%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F21285%2F