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All Journal J@TI (TEKNIK INDUSTRI) Jurnal Infra Jurnal Titra Jurnal Sistem dan Manajemen Industri Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri
I Gede Agus Widyadana
Master Of Industrial Engineering Departement, Petra Christian University
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation

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Model Kolaborasi Vendor - Buyer untuk Deterioration Item pada Skema Pembayaran Progresif Halim, Anthony Reinaldo; Widyadana, I Gede Agus
Jurnal Titra Vol 1, No 1 (2013)
Publisher : Jurnal Titra

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Abstract

Model kolaborasi vendor – buyer untuk deterioration item pada skema pembayaran progresif adalah kenaikan pembayaran yang membesar oleh pemasok untuk productsdeliver hingga titik delivery tertentu. Pembeli harus membayar bunga penundaan apabila pembeli tidak membayar pada periode penundaan yang pertama, bunga akan meningkat pada periode penundaan yang kedua, dan seterusnya. Tujuan tugas akhir ini adalah untuk mengembangkan model kolaborasi  vendor – buyer untuk deterioration item pada skema pembayaran progresif.Pada tugas akhir ini, model kolaborasi diselesaikan dengan menggunakan metode genetic algorithm.Contoh numeric digunakan untuk mengilustrasikan model dan alaisa sensitivitas digunakan untuk meverifikasi model. Solusi dari model menunjukkan bahwa model kolaborasi lebih menguntungkan pihak pemasok karena, pembeli akan dipaksa untuk membeli dalam jumlah yang besar.
Perbaikan Sistem Pergudangan di PT. X Pratama, Otto; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 1 (2015)
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This paper anlayze PT X warehouse system since some problems that are faced by the company such as full capacity warehouse, the absence of a inventory control system, and bad facility layout. The full capacity warehouse problem is solved by using capacity analysis, repayment of raw material analysis, and selling the clothes waste. The improvement of inventory control system is conducted by comparing periodic review system and economic order quantity, while for the raw materials placement problem is solved by grouping the raw material. A periodic review system is simulated to know the number of raw material savings. The simulation result shows that the number of the raw materials can be reduced as much as 7 percent, while the new raw material placement save 42 percent of traveling distance.
Peningkatan Kapasitas Produksi pada PT. Adicitra Bhirawa Putri, Karine Santoso; Widyadana, I Gede Agus; Palit, Herry Christian
Jurnal Titra Vol 3, No 1 (2015)
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Abstract

Currently, PT. Adicitra Bhirawa wants to increase their production capacity from 120 truck boxes per month into 250 truck boxes per month. The increasing of production capacity is applied by changing their production system from the piecework production system into line production system. The line production system is more efficient than the piecework production system in terms of the worker productivity. Line production system is designed using two heuristic methods of line balancing, Kilbridge-Wester and Helgeson-Birnie. The result shows Kilbridge-Wester gives the better result with 15 workstations. The proposed line production system can achieve the production target and increase the monthly worker productivity from 5.7 truck boxes/worker to 11.9 truck boxes/worker. A proposed plant layout is applied in order to support the new line production system.
Pengukuran Overall Equipment Effectiveness (OEE) di PT Astra Otoparts Tbk. Divisi Adiwira Plastik Wijaya, Christian Yoko; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 1 (2015)
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Abstract

Overall equipment effectiveness (OEE) is a performance measurement tool that can measure the production losses and identify improvement potential. PT Astra Otoparts Tbk. Adiwira Plastics Division (PT AO AWP) is a manufacturing company of automotive components made from plastic which always perform continuous improvement to increase productivity. The problem is the lack of OEE calculation standar prosedure for family mold usage in plastic injection machines. The other problem is the production data on the web which used to measure the performance of the production process can not show the actual condition of plastic injection machine. The cause of this problem are database system, shot per hour (SPH) system updates, and admin errors in data input. Error in production data can lead to errors in performance calculation result of production process as well as errors in set improvement point analysis. The OEE calculation result using production data from Laporan Hasil Produksi is 86%. the result of this calculation is analyzed to obtain the most influential factor and get the root causes for the decisions of improvement.
Evaluasi Supplier Kawat Ulir di CV. Jaya Koil dengan Metode Max-Min Sebastian, Edwin; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

A Firm occasionaly has more than one supplier to fulfill their raw material needs. It happened because the firm is confused in choosing the good and the bad one. Supplier evaluation is conducted to figure it out. This evaluation is based on each supplier performance. The purpose of this reserach is to find out the suppliers performance at CV. Jaya Koil. The method used in this research is max-min method. The result of this research is that there’s no dominant difference between one supplier with others, so company may allocate its budget on any supplier
Analisis dan Perancangan Perbaikan Sistem Perencanaan Produksi di PT. X Karyahastana, Robert; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT. X is an company that focus on timber export production. PT. X suffers problem that there is no production planning document that can be checked which cause some delay in order to fulfill the due date of production activities. Besides, the company wants to establish PPIC Department and expects to standardize in all PPIC activities.Production planning system includes creating PPIC Department’s system, procedure and job description, making production planning module, making container setting module, and making production planning format.
Evaluasi Sistem Pemenuhan Kebutuhan Bantuan dengan Melibatkan Sektor Swasta untuk Bencana Alam di Indonesia Wongso, Randy Christian; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 2 (2015)
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This study aimed to evaluate the compliance system of the reliefs through Indonesia aid agencies. Reliefs can be assembled and deployed from the government, private, and community. Logistical support needed for disaster management. Support logistical support should be on time, precise location, target, good quality, enough quantity, and needed. This research used interview method to the BPBD, PMI, and the private sector (KSR) and distributing questionnaires to 101 respondents to identify the communitys involvement in the current disaster management system. Results from this study indicate that the compliance system of the goods through disaster management agencies still lack involve the private sector and community involvement in disaster management at the program is still lacking. The current system is still considered less troublesome and won the trust of the public. The private sector is still less involved in this system, whereas the private sector is a party that can assist humanitarian organizations that exist today to meet their needs. One of the private parties who may be involved is KSR University
Perbaikan Tata Letak Fasilitas Departemen Sheet Metal 1 PT. MCP Pramono, Meylinda; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

Improvements layout on the sheet metal 1 department at PT. MCP held 45.89% due to backtracking that occurs when the operator does the production process. This improvement layout is built to match better layout for PT. MCP. The method used is the method of calculation of the moment without any cost calculation. Total moment of initial layout is 1,785,988.5. Improvement facility layout on sheet metal 1 department uses two methods. 2-Opt and CRAFT are both the methods. Calculations for 2-Opt method does not produce a total of better moment than the moment of the first layout, but the percentage of backtracking decrease to 38.95%. 2-Opt layout still can not be applied to the real situation because the moment is used as a reference. Otherwise total moment of CRAFT method generate better moment than the moment of the initial layout that is equal to 1,656,291.8 and percentage of backtracking also decreased to 23,69%. Layout CRAFT produced by the method can be applied to the real situation in the department of sheet metal 1 PT. MCP.
Penurunan Persediaan Spare Part di PT. XYZ Gunadi, Anthony; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

The value of spare part inventory in company is high because there are so many non moving spare part. The purpose of this research is to reduce spare part inventory by ditributing questionnaires about spare parts status And analyzing the amount of inventory and creating a form of PR and purchase history. Status of spare part is divided into three kinds, they are status A, status B, and status C. Status A is intended for spare parts that are still in use, status B is intended for spare parts that are not used anymore, and status C is intended for spare parts that have been damaged. Status A is analyzed from the economic side of inventory amount to decide whether it should be kept or written off. Form PR and purchase history is made to help facilitate the recording of purchases of spare parts. The results shows through write off can reduce inventory amount up to 4,57% dan the value of inventory decreased up to Rp 216,432,253.00. The result also shows the analyze of inventory amount can save the cost up to Rp. 8,592,063.00 for Electrical Maintenance Department’s spare part.
KLASIFIKASI INVENTORI DENGAN ABC/XYZ ANALYSIS DAN MENGOPTIMALKAN SAFETY STOCK DI PT. X Wijaya, Erwin Pratama; Widyadana, I Gede Agus
Jurnal Titra Vol 3, No 2 (2015)
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Abstract

PT. X is one of the leading companies in the cigarette industry in Indonesia. The company aims to do continuous improvement of their finished goods distribution with the requested schedules and quantities. The company also wants to have DIM ready as scheduled with the required quantities based on the production needs. The first measure that can be taken is the creation of safety stock for the two varieties of the inventory as a mean to act as a cushion whenever a stockout occurs that can be caused by distribution delay by PT.X as well as vendor. The determining factor for the safety stock is the classification of every inventory. The classification of ABC/XYZ is needed before determining the safety stock. This will help the company to determine the inventory, predictable or forecasted or not, based on the volatility of the inventory itself. The classification is also used to help the company to see which inventory that should be prioritized for the storing process.
Co-Authors A Halim Alexander Setiawan Alfeus, Alfeus Aloysius Fung Elnino Senatra Andree Pamungkas Anggara Jaya Anthonia Lubalu Anthony Gunadi, Anthony Arnetta Milenia Tansta Berthan, Agra Brian Farrel Ponda Chelsy Sandrina Clarita Anen Chris Hansen Christian Yoko Wijaya Christianto Felix Juwono Suganda Christine Christine Cristopall, Joan Cynthia Candradewi, Cynthia Daniel Reynald Budiman Davin Tandy Davita, Johana Kezia Debora Anne Yang Aysia DENNY KIANTO KAHUNI Didik Wahjudi Djoni Haryadi Setiabudi Edwin Hendrawan Edwin Hendrawan, Edwin Edwin Sebastian, Edwin Elisa Kevin Giovanni Elsie Elsie Emmanuelle Naomi Eleonora Njoradi Erwin Pratama Wijaya, Erwin Pratama Evan, E Felecia Felecia Felicia Saputra, Felicia Felita Felita Felix Valentino Fenny Nilawati Kusuma Ferdiarto Limantoro, Ferdiarto Fernaldi Darmasaputra Leksono, Fernaldi Darmasaputra Fianty, Bella Eka Filly Mustika Sunlo Franky Saputra Gerry Anggian Gunawan Gilbert Kelvin Widarta Gondo, Alvin Agustinus Haris Lienardo Herry Christian Palit I Nyoman Pujawan I Nyoman Sutapa Isaac Setiawan Iwan Halim Sahputra Jeremia Tri Pamungkas Jimmy Chang Liong Jonas Yu Karina Agustin Karine Santoso Putri Kevin Farrel Kurniawan Kevin Mangoting Lala Febriana Lay, Jordan Liem Yenny Bendatu Lucy Sanjaya Lukita, Sandra Lumanto, Jason Averell Meylinda Pramono, Meylinda Michael Gilbert Thimandalle Natasah Bunardi Nova Sepadyati Novitriana Anggraini Sudjianto Otto Pratama Patricia Angelina Dewi Philip Nathaniel Randy Christian Wongso, Randy Christian Renny Olivia Sia Rey, Jonathan Richardo Caprianto Rizal Setiawan Robert Karyahastana, Robert Sandra Lukita Setiadi Yulianto Sonny Sugiarto, Sonny Stanley Surya Jaya Steffen Fang Nyoto Syarif Daniel Budiman Tanti Octavia Tanti Octavia Theresia, Juliet Vanessa Angela Chionardes VICTOR INDRAWAN Wibisono, Richard William Giovanno William Surya Wijaya Wilson Sanada