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Indriati Bisono
Faculty of Industrial Technology, Petra Christian University
Industrial & Manufacturing Engineering

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Peningkatan Kemampuan Analisa Root-Cause Staf Produksi PT E-T-A Indonesia Dalam Upaya Penurunan Kecacatan Irawan, Steven; Bisono, Indriati
Jurnal Titra Vol 2, No 2 (2014)
Publisher : Jurnal Titra

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

Abstract

PT E-T-A Indonesia is a manufactur company that produce electricity component such as circuit breaker and switch. As a electricity component maker that trusted by well-known brand all over the world such as Mercedes-Benz, Audi, and also Airbus, quality is a must-have key in every single production activitiy. There are some defect problem that occurs in every production segment frequently. In order to reduce defect number, root-cause analysis skill is needed whereas most of production staff doesn’t have enough skill to analyze the root-cause problem. The improvement of root-cause analysis skill is using DMAIC methods. Its begin with Define phase where all of the problem that happens are defined including quality characteristic of their products itself. The next phase is measure phase, the defect problem that happens in 1170 and 1180 from January until March 2014 are measured and counted into as a data in this phase. Analyze phase is a next-step phase where the main cause of the main problem are analyzed conscientiously, in this case, the main cause is founded, that is incapability skill of analyzing the root-cause of a problem in 1170 and 1180 worker. The next phase is improvement phase, the worker of 1170 and 1180 are trained with the right quality tools in order to make an root-cause analyze in case another problem happen. Evaluation of these improvement is monitoring the worker skill to do root-cause analyze correctly. Evaluation is a final phase that called control phase in this final project.
Identifikasi Waste dengan Menggunakan Value Stream Mapping dan Upaya Perbaikan Kinerja di Gudang PT. Y Purnomo, Monica Purdiani; Bisono, Indriati
Jurnal Titra Vol 2, No 2 (2014)
Publisher : Jurnal Titra

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

Abstract

PT. Y is one of the leading cigarette manufacturers in Indonesia. PT. Y has four warehouses i.e. DIM SKM, SPP, clove, and leaf.  The company conducts continuous improvement at these warehouses, aims at lean management. Value stream mapping, one of the lean-management methods, is used to indentify waste at those warehouse. Two types of waste were found in DIM SKM warehouse, i.e. unnecessary movement and transportation waste. We proposed a new procedure to return material and a new transportation schedule. The new schedule saves one trip. Waste that is found in SPP’s raw material warehouse is waiting in which we proposed a new store location. In SPP’s production warehouse, we proposed a new schedule for goods delivery that saves two trips. To reduce unused employee creativity waste in clove warehouse we proposed a monitoring form and a new procedure. The new procedure reduces one employee. To reduce transportation waste in leaf warehouse the OTM warehouse was relocated so as the transport time save 4.5 minute/trip. These proposed improvements have been approved by the management and been implemented. The results give significant impacts.
FUNGSI-FUNGSI KERNEL PADA METODE REGRESI NONPARAMETRIK DAN APLIKASINYA PADA PRIEST RIVER EXPERIMENTAL FORESTÂ’S DATA Halim, Siana; Bisono, Indriati
Jurnal Teknik Industri Vol 8, No 1 (2006): JUNE 2006
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (90.728 KB) | DOI: 10.9744/jti.8.1.pp. 73-81

Abstract

In this paper we discuss some models for estimating the regression function, provided the data Y is given. The programming of these function are presented as well as the "tricks" in the R- programming, a statistical freeware. We applied these models to The Priest River Experimental Forest's data. Abstract in Bahasa Indonesia : Dalam paper ini akan diberikan beberapa model untuk mengestimasi fungsi regresi bila sebuah data Y diberikan. Pembuatan fungsi - fungsi estimasti tersebut juga diberikan dengan menggunakan freeware statistik R dan juga diberikan beberapa trik dalam pemrograman. Model-model ini diaplikasikan pada Priest River Experimental Forest's data. Kata kunci: regresi nonparametrik, smoothing, kernel, R.
Mengenal Data Ekstrim dan Distribusinya Bisono, Indriati
Jurnal Teknik Industri Vol 13, No 2 (2011): DECEMBER 2011
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.13.2.81-86

Abstract

People adopt many definitions for extremes. One such definition is that extremes are simply the upper tail data. In this paper we briefly review the types of upper tail data, the limiting distribution of extreme values, the analysis and the model diagnostics. We also provide a simple example of fitting generalized extreme values (GEV) for climate extremes
PERBAIKAN SISTEM DIVISI PENGOLAHAN DAN PENGADAAN PERPUSTAKAAN UK. PETRA DENGAN FILOSOFI LEAN SIX SIGMA Rahardjo, Jani; Bisono, Indriati; Wibowo, Arie Gunawan
Jurnal Teknik Industri Vol 9, No 1 (2007): JUNE 2007
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.9.1.pp. 56-62

Abstract

The responsibility of Acquisition and Processing Unit in Petra Christian University Library is to handle books purchasing, processing the books, then hand them over to the circulation unit. To improve the unit performance, a new system was proposed using Lean Six Sigma philosophy. We employ the common tools of Six Sigma i.e. DMAIC (Define, Measure, Analyze, Improve, and Control). The results are a new procedure, a better software design, and a better workplace lay out. We believe that the results could reduce the book processing time, eliminate non value added activities, reduce defects, and decrease the total distance taken by books when being processed. Abstract in Bahasa Indonesia : Tanggung jawab divisi Pengadaan dan Pengolahan Perpustakaan U.K. Petra adalah menangani pembelian buku, memprosesnya lalu menyerahkan ke bagian sirkulasi. Untuk meningkatkan performa divisi ini, maka dilakukan perbaikan sistem dengan menggunakan metode Lean Six Sigma dengan salah satu tool yaitu DMAIC (Define, Measure, Analyze, Improve dan Control). Hasil akhir dari metode tersebut adalah prosedur baru, desain software baru, dan tata letak baru yang jika diimplementasikan dapat mengurangi waktu pemrosesan buku, non value added activity, jumlah kecacatan buku, dan jarak total yang ditempuh buku selama pemrosesan. Kata kunci: Lean Six Sigma, Perpustakaan U.K. Petra, Perbaikan Sistem
Co-Authors Arie Gunawan Wibowo Jani Rahardjo Monica Purdiani Purnomo Siana Halim Steven Irawan