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Irfan Aditya Dharma
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INDONESIA
Jurnal Teknoin
Published by Universitas Islam Indonesia
ISSN : 08538697     EISSN : 26556529     DOI : -
Core Subject : Engineering,
Engineering Mechanical Engineering
Teknoin memiliki komitmen untuk mempublikasikan topik-topik dalam bidang teknologi industri. Selain itu, dengan fitur jurnal open-access, diharapkan Teknoin dapat menjadi rujukan akademis tanpa batas baik untuk penelitian, pengajaran, maupun tujuan akademis lainnya.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 294 Documents
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ANALISA PERANCANGAN ALAT SIMULATOR GELOMBANG QRS SEBAGAI PENGENALAN POLA GELOMBANG ELEKTROKARDIOGRAF Evrita Lusiana Utari
Teknoin Vol. 22 No. 3 (2016)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol22.iss3.art4

Abstract

Simulator machine of QRS wave has the input of PQRST as well as electrocardiograph wave parameter. The input of PQRST wave is tuned by setting the value of its amplitude and wavelength. The value is chosen based on the heart patients data that have been previously recorded. The validation value corresponds to the regulator value. Further, the validation value is compared to the short term electrocardiograph data that have been recorded for 5 minutes. The statistical and histogram based time domain analysis method are the two simplest analysis method of heart rate variation. The statistical analysis consists of two steps, i.e. the average and standard deviation of normal heart rate direct measurement. This measurement yields a negative deflection value of Q from R wave of 25%, a positive deflective value of R wave of 1.6-3 mV, and a negative deflection of S wave of 0.1-.5 mV.
VARIASI KADAR SUKROSA SEBAGAI BAHAN PEMANIS DALAM FORMULASI NUTRASEUTIKAL SEDIAAN GUMMY CANDIES SARI BUAH MARKISA KUNING (Passiflora edulis var. flavicarpa) Feris Firdaus; Vicky Agung Kresnanto; Fajriyanto Fajriyanto
Teknoin Vol. 20 No. 4 (2014)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v20i4.7447

Abstract

Passion fruit (Passiflora edulis) is one kind of plant that is commonly grown by our society. In the yellow passion fruit (Passiflora edulis var. Flavicarpa) contained vitamin C and vitamin A which is very high. The usage of passion fruit juice as nutraceuticals products that are rich in vitamins C and A is still relatively rare. Demands of people who want to get an interesting kind of preparation and easy to use push of this study which aims to produce gummy candies. Gummy candies preparations were made using a base of corn syrup, a sweetener mannitol with sucrose content variation of 4.49%, 8.98%, 13.47%, 17.96% and 22.45%. Manufacture of yellow passion fruit juice using freeze drying method is performed on the resulting fruit juice. Organoleptic test was conducted after the yellow passion fruit juice formed. Testing the physical properties of the preparations which have become gummy candies include organoleptic testing, weights uniformity test and the level of preference test (hedonict test) by the respondents to the color, taste, smell and shape, then the results were compared with the requirements in the literature and the results of statistical analysis using one way anova. Formula 3 that was containing sucrose 13.47% is the best formula compared with other formula, a coefficient of variation for weight uniformity test was 2.91%. While for organoleptic test and hedonict test for the color, flavor, smell and shape of the formula 4 by respondents indicated that the sucrose content of 17.96% has the best look and feel to become the most preferred formula by respondents.
MESIN PEMERAS KELAPA PARUT MENJADI SANTAN SISTEM ULIR TEKAN PENGGERAK MOTOR LISTRIK 1 HP Abdul Syukur Alfauzi; Rofarsyam Rofarsyam
Teknoin Vol. 10 No. 4 (2005)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v10i4.99

Abstract

The squeezing process of grated coconut into coconut milk, and the following process of  making the milk into coconut oil, which is done by people living in rural areas, is until now still very traditional. They do it manually (by hands) so that they produce 7.2 kg/hour grated coconut or 3.6 litres/hour thick coconut milk.To effectify the process, the squeezing needs to be mechanized, using a grated coconut squeezer machine.The machine is designed on the basis of Screw Press system with a ¼ HP 1450 rpm electric motor power using a pulley belt transmission and a gear box. The squeezer’s force refers to coconuts aging between 341 and 413 days (hand squeezing force normally practised by coconut oil producers in rural areas).This prototype of machine has the capacity of producing 53.2 kg/hour grated coconut or 26.6 litres/hour thick coconut milk, which has similar quality (in colour, smell and texture) as that manually squeezed.Keywords : grated coconut squeezer, coconut milk
PENGEMBANGAN PELUMAS RAMAH LINGKUNGAN DENGAN ESTER BORAT Dicky Dermawan; Jono Suhartono
Teknoin Vol. 22 No. 6 (2016)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol22.iss6.art3

Abstract

This paper reports an attempt to improve the performance of environmentally friendly bio-based lube oil prepared from glycerol and oleic acid. Four variant of boric acid esters, fortified with 2,5dimercapto-1,3,4-thiadiazol, aromatic amine antioxidant, and benzotriazol were used as additives. The oxidation & corrosion test was carried out using the bulk test at 150oC for 24 h. Steel & copper specimens weight losses and kinematic viscosity increase (measured at 40oC and 100oC according to ASTM D-445) were used to measure the effect of formulation to the corrosiveness and oxidation stability of the oil, respectively. Experimental results indicated that nitrogen-containing boric acid esters showed better performance in terms of oxidation stability improvement. Slight increases in corrosiveness were shown for all additive systems. Phenyl-1-naphtylamine showed better performance than diphenylamine antioxidant.
PENILAIAN RESIKO OPERASIONAL PELAYANAN BONGKAR MUAT KAPAL DI PELABUHAN DILI, TIMOR-LESTE Minto Basuki; Putu Andhi Indira Kusuma; Zeca Soares
Teknoin Vol. 22 No. 8 (2016)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol22.iss8.art3

Abstract

Dili port is the one of port in Timor Leste, that can be used as  loading and unloading of goods. The increasing of operations in recent years was could be to the risk. The aim of this study was to analyze the risks involved in the operations of ships loading and  unloading in  port of Dili. This study was identifying risks, determine risk level, and risk mitigate that affect the  processes of  loading and unloading. Samples data were the  activities  loading and unloading that cause risks or accidents reported in 2010 to 2014. The data were analyzed using risk matrix method at probability (likelihood) and impact (consequence) based on AS/NZS 2004 standard. Using this method, there were 22 risk events do to identified . Using the risk matrix, injured due to exposure to the goods or sharp tools, which include a very high risk rating. This mitigate is to provide safety and health training  and  use to PPE (Personal Protective Equipment) to the labors.
Sistem Pendukung Keputusan Berbasis Pocket Pc Sebagai Penentu Status Gizi Menggunakan Metode Knn (K-Nearest Neighbor) Tedy Rismawan; Ardhitya Wiedha Irawan; Wahyu Prabowo; Sri Kusumadewi
Teknoin Vol. 13 No. 2 (2008)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v13i2.793

Abstract

The nutrition problem is very important problem that need more attention. If someone doesn’t know about his nutrition status, he can’t control how much nutrition value should be needed by his body. In this research, it has been built a Decision Support System (DSS) to compute nutrition status. The system needs physical condition from user via user interface. Pocket PC platform used to develop this DSS. The computation of nutrition status based on K-Nearest Neighbor (K-NN). The K-NN method will look for the shortest distance between evaluated data and K nearest data in the data training set The result of this research shows that this system can help user to get information about his nutrition status, so he can keep his nutrition normal status to avoid he diseases attack. Keywords: Decision Support System, nutrition status, KNN(K-Nearest Neighbor), Pocket PC
SINTESIS METIL ESTER DARI MINYAK DEDAK PADI MENGGUNAKAN KATALIS KALIUM DENGAN PENGEMBAN ZEOLIT ALAM Arif Hidayat; Septya Chilya Faizah; Resita Trisnaningtyas
Teknoin Vol. 23 No. 1 (2017)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol23.iss1.art3

Abstract

Biodiesel is an alternative renewable energy source having many advantages such as environmental friendly, non-toxic, and has lower emission gases. Biodiesel is produced from transesterification of vegetable oils or animal fat. In this research, the transesterification of rice barn oil (RBO) using the solid base catalyst was studied. The performances of the catalysts were evaluated in terms of the reaction temperatures, the molar ratios of methanol to oil, and the catalyst loading. The effects of the mass ratio of catalyst to oil (1-10%), the molar ratio of methanol to oil (6:1-12:1), and the reaction temperature (40-60 oC) were studied for the yield of biodiesel to optimize the reaction conditions. The results showed that the optimal conditions were a methanol to oil molar ratio of 12:1, the amount of catalyst of 10%wt. of oil, and reaction temperature of 60 oC. The physicocharacteristics of the catalysts were analyzed by Nitrogen gas adsorption, surface functional groups by Fourier transform infrared spectroscopy (FT-IR), X-Ray Fluorescence Spectroscopy (XRF), and XRay Diffraction (XRD).
RANCANGAN SISTEM PERSEDIAAN BAHAN BAKU DENGAN MEMPERTIMBANGKAN WAKTU KADALUARSA DI PT WAHANA INTERFOOD NUSANTARA Fifi Herni Mustofa; Muhamad Iqbal Syah; Emsosfi Zaini
Teknoin Vol. 22 No. 10 (2016)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol22.iss10.art5

Abstract

In Indonesia, the development of industry is developing and cause tight competition among companies so that company is prosecuted to work more effective and efficient. PT. Wahana Interfood Nusantara is a process industry that has high production volume characteristics and product standards. Expiration factor is a factor that must be considered for the company, because it greatly affects the quality of the resulting product. The basic model of inventory system used is the inventory model Economic Order Quantity (EOQ). It is developed into an Economic Order Interval (EOI) model with expiration time, as the raw material expiration period is known and the firm minimizes the amount expired by determining fixed material order intervals. Based on the inventory system design considering the minimization of total inventory cost, the company can determine the amount of raw material order and time of ordering.
PENGARUH PERSEPSI KARYAWAN TENTANG KEADILAN KOMPENSASI TERHADAP KEPUASAN KERJA DI PERUSAHAAN X Wahyudhi Sutrisno
Teknoin Vol. 21 No. 4 (2015)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v21i4.4300

Abstract

This research aims to know whether employees perception to compensation justice which is accepted affecting the level of employee’s job satisfaction. Research data obtained from primary data and secondary data. Primary data obtained by giving questionnaire to respondent. Secondary data consist of history of the company, company’s profile, organization chart, total of employees, and applied compensation system. Data analysis using the analysis of linear regression and correlation analysis. result of this research shows that there is significantly influence between employees perception to compensation justice with job satisfaction. And there is closer relationship between perception variable about justice of compensation system with job satisfaction.
Desain Visual Los Dawet Telasih dan Lenjongan Pasar Gede Hardjonagoro menggunakan Evaluasi Visual Kansei Mei Andrianto; Muhammad Ridwan Andi Purnomo
Teknoin Vol. 26 No. 1 (2020)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol26.iss1.art5

Abstract

Kecenderungan penurunan jumlah pengunjung Pasar Gede Hardjonagoro akan sangat mempengaruhi pendapatan pendagang. Namun penurunan kunjungan konsumen tidak dirasakan oleh pedagang jajanan pasar dan oleh-oleh khas Surakarta, hal ini disebabkan adanya peningkatan kunjungan konsumen luar kota yang berwisata ke Kota Surakarta.  Los dawet telasih dan los lenjongan dipilih dalam penelitian karena dua obyek tersebut menjadi daya tarik utama bagi wisatawan yang berkunjung ke Pasar Gede Hardjonagoro. Penelitian ini akan membahas pendekatan Kansei Engineering untuk mendapatkan desain konsep visual los dawet telasih dan los lenjongan sesuai harapan konsumen. Tahapan proses penelitiannya dengan menggali emosi dan perasaan konsumen terhadap situasi riil yang ada. Hasil persepsi konsumen disintesakan ke dalam elemen-elemen desain dan disurveykan ke dalam bentuk pilihan konsep desain. Elemen-elemen desain digabungkan dalam bentuk desain awal yang akan disurveykan kembali dan dikonsultasikan dengan stakeholder terkait. Hasil dari penelitian adalah konsep desain akhir secara visual beserta elemen-elemen desain penyusunnya yang menarik sebagai media promosi bagi Pasar Gede Hardjonagoro.

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