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All Journal Jurnal Teknik Industri Jurnal Titra
Nyoman Sutapa
Faculty of Industrial Technology, Petra Christian University
Industrial & Manufacturing Engineering

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PENINGKATAN KAPASITAS PRODUKSI MELALUI PENGHITUNGAN WAKTU BAKU, TATA LETAK FASILITAS, SERTA PEMBERIAN KOMPENSASI DI PT SURYA PUTRA BARUTAMA Wijaya, Chandra; Sutapa, Nyoman
Jurnal Titra Vol 2, No 1 (2014)
Publisher : Jurnal Titra

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (78.005 KB)

Abstract

PT Surya Putra Barutama was not able to meet the market demand i.e. 500 units/month, since their production capacity was only 300 units/month. Therefore, to solve that problem we need to improve that capacity by calculating the standard time, production facility layouting, and calculating a new reward standard. At the end of this project, we found that, now the production capacity is 600 units/month.
Faktor-Faktor Penentu Dalam Berbelanja Secara Online Wijaya, Ronald Alexander; Sutapa, Nyoman
Jurnal Titra Vol 2, No 1 (2014)
Publisher : Jurnal Titra

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Abstract

The development of the internet technology is currently utilized by user, one of them is an online business. This research is to find the factors which influence the consumers to buy through online shopping. The data is been analyzed with Factor Analysing and Discrimination Test. The results shows that there are four components constructed from Factor Analysis and the most influencing components are attractive web design, full information, ease to shop, and advertising media as a supporting facilites. Discriminant test shows that male at junior high school student and collage/university students more dominant at frequency never (0) and occasionally (1-3 times) in the last month, but at the senior high school female students are dominant at the occasionally frequency. Females shopping frequencies are dominant at medium frequency (4-6 times), but at high school degree both female and male have the same shopping frequency. The result of discriminant test also shows expenditures less than Rp. 100.000 have a medium spending frequency (4-6 times) is relatively small at 3%, expenditures at Rp. 100.000 to less than Rp. 500.000 have occasionally frequency (1-3 times) most dominating by 31%, and expenditures at Rp. 500.000 to less than Rp. 1.000.000 have medium frequency (4-6 times) most dominating by 14%.
PERANCANGAN DOKUMEN MUTU ISO 9001: 2008 DI PT “X” Jessica, Jessica; Sutapa, Nyoman
Jurnal Titra Vol 3, No 2 (2015)
Publisher : Jurnal Titra

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Abstract

In this paper, we diagnosis the quality management system of ISO 9001: 2008’s clauses, particulary on PPIC and Production Department. We analyze the differences between the number of clauses which are not yet adopted before and after design the quality dokumen for the implementation of quality management system ISO 9001: 2008. The number of clauses after design the quality document which are not yet adopted decrease, i.e. 0% of quality management system’s clause, 24% of management responsibility’s clause, 3% of product realization’s clause, and 46% of measurement, analysis and improvement’s clause.
MODEL MATEMATIS PERSEDIAAN TERINTEGRASI ANTARA SUATU PERUSAHAAN DAN DISTRIBUTORNYA Sutapa, Nyoman; Fransiska, Fransiska
Jurnal Teknik Industri Vol 2, No 1 (2000): JUNE 2000
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (48.044 KB) | DOI: 10.9744/jti.2.1.pp. 13-21

Abstract

Two mathematical model of inventories are analised. The aim of these models are minimizing the total cost of inventories on a company and its distributor. The first mathematical model is IDQ (Identical Delivery Quantity) model, i.e. the amount of delivery to distributor is identically for every replenishment. The second one is DWP (Delivery What is Produced) model, i.e. the amount of delivery to distributor is not identically for every replenishmen, all of distributor's inventories are supplied to distributor. Both of these models, handling the coorporation of inventory control between company and one distributor. At the end of this paper, will be showed a numerical example and from it will be analized in which situations one of these models is the best. Abstract in Bahasa Indonesia : Dua buah model matematis persediaan terintegrasi dianalisis. Kedua model bertujuan untuk meminimumkan total biaya persediaan dari sebuah perusahaan dan distributornya yang saling terkoordinasi dan bekerjasama. Model matematis tersebut adalah model IDQ (Identical Delivery Quantity), jumlah pengiriman produk kepada distributor adalah sama pada setiap pengiriman, dan kedua adalah model DWP (Delivery What is Produced), jumlah pengiriman kepada distributor adalah bervariasi pada setiap pengiriman, yaitu semua persediaan yang tersedia pada perusahaan saat itu dikirim ke distributor. Pada bagian akhir dari makalah ini akan ditampilkan sebuah contoh numeris, yang daripadanya akan diperlihatkan dalam keadan bagaimana sebaiknya satu diantara kedua model dipilih. Kata kunci: model matematis, persediaan, terintegrasi.
MASALAH PROGRAMA LINIER FUZZY DENGAN FUNGSI KEANGGOTAAN LINIER Sutapa, Nyoman
Jurnal Teknik Industri Vol 2, No 1 (2000): JUNE 2000
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.2.1.pp. 28-33

Abstract

In practice, the certainess assumption for parameters in linear programming are difficult to pullfiled. The uncertainties are sometimes coming from subjective and intuitive policies. To solve and accommodate these problems, will be approximated by fuzzy set theory. In this article, modeling of linear programming with fuzzy set will be discussed, followed by two cases with membership function are trapezoidal and triangular. Abstract in Bahasa Indonesia : Asumsi kepastian nilai-nilai parameter, dalam pengambilan keputusan yang dimodelkan dengan programa linier, dalam praktek sering sulit dipenuhi. Ketidakpastian yang muncul kadang diakibatkan oleh suatu kebijakan yang intuitif dan subjektif. Untuk memecahkan dan mengakomodasi ketidakpastian seperti tersebut, akan didekati dengan teori himpunan fuzzy. Dalam makalah ini, pemodelan programa linier dengan teori himpunan fuzzy tersebut, akan didiskusikan dengan dua kasus, masing-masing dengan menggunakan fungsi keanggotaan linier, yaitu trapezoida dan triangular. Kata kunci: programa linier, himpunan fuzzy.
Co-Authors Chandra Wijaya Fransiska Fransiska Jessica Jessica Ronald Alexander Wijaya