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Hamdani Kubangun
Universitas Iqra Buru
Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering

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Analisa Sinyal Suara Jantung Berdasarkan Transformasi Fourier Hamdani Kubangun
ARIKA Vol 7 No 2 (2013)
Publisher : Industrial Engineering Study Program, Pattimura University

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Abstract

Auskultasi merupakan teknik untuk mengukur suara jantung. Suara jantung didengar dengan penggunaam stetoskop yang dihasilkan dari getaran setelah penutupan dan pembukaan suara jantung. Pengukuran suara jantung dilakukan di area katup aorta dan pulmonary. Frekuensi suara jantung berada di frekuensi 20-500 Hz. Suara pertama yang didengar adalah suara jantung pertama S1 terjadi pada awal sistole ventikular dan suara S2 terjadi pada akhir systole ventikular. Pada penelitian ini frekuensi yang didapatkan dalam kalkulasi transformasi fourier pada frekuensi 250-300 Hz
Analisis Ergonomi Pada Proses Mesin Tenun Dengan Pendekatan Subjektifitas Pada PT Industri Sandang Nusantara Unit Makateks Makassar Hamdani Kubangun
ARIKA Vol 4 No 1 (2010)
Publisher : Industrial Engineering Study Program, Pattimura University

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Abstract

o reveal the workers comfort in doing the job activity on the loom, it is necessary to know standard output produced by the workers during a workday, the energy consumption required in work activities that can increase productivity and examine the complaints and sense of fatigue on the weaving machine operators. Results of processing of standard working hours operating time to complete 60 meters of plastic sacks subjectivity takes 69.79 minutes. And heart rate (physiological performance) before work will be conducted comparisons of the energy when the operator works with estimated energy expenditure 2.3 kcal / min from the results of this comparison is the average energy expenditure has been insufficient demand service or standards issued by Lehman. This is caused by conditions that are not too many movements such as ergonomic work and the workload that must be borne by the body especially the legs, hands, arms and shoulders.
Co-Authors Andi Sudarman, Sjaid S. Fais Assagaf, Irmawati Mukadar Atina Buton Muhamad Kalidupa