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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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Analisis Penyebab Lead Time Pemenuhan Pesanan dan Produksi Panjang PT X Sandra Lukita; I Gede Agus Widyadana
Jurnal Titra Vol 8, No 2 (2020): Jurnal Titra 8(2) Juli 2020
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Abstract

This research was conducted to find out the cause of long lead time order fulfilment and production on PT X. Previous research conducted on the identification of key factors lead time of PT X order fulfilment with the DEMATEL method, found BOM problems namely incomplete BOM in terms of both quantity and compatibility resulting in less components so that production shutdown as one of the key factors causing the length of PT X lead time long. The BOM problem in this study is proven to be one of the factors causing lead time of PT X order fulfilment. BOM problem solving based on production balance can have a 5.3% impact the problem of production balance that causes PT X production lead time to be long. Supplier complaints in this study were also found to be another important factor that caused the lead time for PT X orders to be fulfilled. Solving supplier complaint problems based on production balance can have a 57.9% effect of solving the production balance problem which causes the PT X production lead time to be long.
Pengurangan Lead Time pada Pelayanan End-to-End Logistik melalui Analisis Value Stream Mapping pada PT. X Arnetta Milenia Tansta; I Gede Agus Widyadana
Jurnal Titra Vol 10, No 1 (2022): Jurnal Titra Januari 2022
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Speed, punctuality and service excellence are a part of the customer orientation value at PT. X. The process of container shipping at PT. X is still considered to have a lengthy lead time, and thus to bring the customer orientation value into reality, PT. X wants to reduce the current lead time and continuously improve customer satisfaction through their services. The research focuses on the selected activities with largest difference between process time and lead time, namely making delivery orders, stuffing and stripping. The result shows that the biggest wastes that occur in the process are defect and waiting. The research is conducted through mapping the whole activities involved in container shipping on current state value stream map, then followed by waste identification and root cause analysis based on the concept of seven wastes and five whys analysis.
Pengendalian Persediaan dengan Memperhatikan Pemesanan Gabungan dan Permintaan Berdistribusi Poisson di Toko X Anthonia Lubalu; I Gede Agus Widyadana
Jurnal Titra Vol 10, No 2 (2022): Jurnal Titra 10(2) Juli 2022
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This study uses the Monte Carlo simulation method by generating random numbers according to the data distribution test. This research was conducted in seven stages, the first is observation and problem identification to ascertain what are the obstacles in Store X. The second stage is literature study to become a theoretical basis that can be used in solving existing problems. the third stage is data collection, this stage is carried out by conducting interviews and asking for sales data from Store X. The next stage is data processing, the fifth stage is data validation, this stage is carried out to ensure the distribution of the data that has been obtained. The sixth stage is ordering simulation and the last stage is drawing conclusions and suggestions. The results obtained from the simulation show that the costs incurred by the Store when placing an order per product are Rp 230,713,967 while the costs incurred by Store when using a combined order is Rp 211,976,977. Based on these data, it is known that Store can save costs of Rp 18,736,896 when placing a combined order.
Pengoptimalan Jumlah Penyimpanan untuk Pengiriman Gas dengan Simulasi di PT X Felita Felita; I Gede Agus Widyadana
Jurnal Titra Vol 10, No 1 (2022): Jurnal Titra Januari 2022
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This research was conducted to analyze the causes of the problems faced by PT X. The company is currently only able to make 46% of the 84 shipments in 2018. This is caused by the accumulation of isotank in the customer's area for a long time. Therefore, the company wants to invest in the addition of permanent storage in consumer areas, simulations are needed to find out the results obtained after the installation of storage. This research was conducted using Promodel simulation software to describe the current situation. The study was conducted in 2 stages, first modeling the initial conditions to obtain a basis for the proposed model, then simulating the proposal and analyzing whether the proposal that was carried out was influential or not. Results of simulation results show that with the addition of permanent storage, the total shipments owned by the company increased to 56% and got its investment capital back after 6.1 years and have present worth value Rp943.839.385.
Analisis Penerapan Pembebasan Bea Masuk atas Impor pada PT. X Jeremia Tri Pamungkas; I Gede Agus Widyadana
Jurnal Titra Vol 9, No 2 (2021): Jurnal Titra
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PT. X is a logistical company and already has a network throughout Indonesia. PT. X has several modes of transportation to serve customers, one of which is ships. In order for the ship to continue to function properly, maintenance is needed, one of which is replacing some parts. Spare parts are usually imported from 3 countries, namely China, Japan and Korea. However, this study only focuses on imported goods from China. Imported goods will be charged with import fees by the customs. There is a way so that companies do not have to pay import duties, namely by requesting the Certificate of Origin (COO) Form E from the supplier. COO Form E is a special COO for goods imported from China. However, there are 91.49% of Form E that cannot be made in 2020. This study aims to analyze the reasons why import duties are not reduced/ exemptions, provide suggestions in order to maximize the possibility of obtaining a reduction/ exemption of import duties. The solution given is to create a checklist system created using Microsoft Excel Macro.
Perancangan Automatic Placement Order Support Tools di PT X Chelsy Sandrina Clarita Anen; I Gede Agus Widyadana
Jurnal Titra Vol 9, No 2 (2021): Jurnal Titra
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PT X is a global bicycle industry that develops, manufactures, and markets bicycles around the world. One of the brands produced by PT X is brand Y. The problem faced by the Supply Department of brand Y is the inaccuracy of scheduling and determining the number of the lot size of bicycle models in placing orders. This inaccuracy is due to a large number of models, model levels, and SKU (Stock Keeping Units) every year. The purpose of this research is to design placement orders as a supporting tool to predict the schedule and optimizing the number of order lot size in the long run. There are two methods that researcher used, which is qualitatively (by interview) and quantitatively (modeling based on data history and designing the system using Visual Basic Excel version 7.1). The result obtained by this research is the estimated order entered by the user in the system can be scheduled and optimized automatically using excel. The main conclusion that can be drawn is the design of placement orders as a supporting tool that can eliminate the inaccuracy planning of placing orders. This design has also been successfully verified and validated.
Optimasi Rute Pengiriman pada CV. X Menggunakan Metode Evolutionary Algorithm Setiadi Yulianto; I Gede Agus Widyadana; Nova Sepadyati
Jurnal Titra Vol 10, No 1 (2022): Jurnal Titra Januari 2022
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CV. X is an ice cube distributor. The company faced a problem that ice cube distribution time ussually longer than time window that has been set by the company. This research is focused on minimization delivery time therefore the total delivery time will not exceed the time window. Currently, the company operates two cars and two treecycle motorbikes. Every vehicle has more than one route every day. Therefore this research problem is Vehicle Routing Problem With Time Window. This problem is solved using the Evolutionary Algorithm method in Microsoft Excel software. The proposed routes can reduce delivery time on two different days by 9.85% and 4.02% for cars, as well as 9.85% and 11.8% on treecycle motorbikes.
Perancangan Simulasi Risk Pooling untuk Mendukung Proses Pembelajaran Michael Gilbert Thimandalle; I Gede Agus Widyadana
Jurnal Titra Vol 9, No 2 (2021): Jurnal Titra
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This research was conducted to provide new innovations in the learning process activities of the Supply Chain Management course. By using simulation games, the learning process will run more interestingly so it is hoped that the knowledge taught can be absorbed by students optimally. The risk pooling material is one of many materials whose teaching will be more optimal with the existence of simulation games. This method compares the decentralized and centralized supply chain systems. In decentralized supply chain there are 3 stages and in centralized supply chain there are 2 stages. The simulation game was created using the AnyLogic application. The result of this research is in the form of a simulation game that describes a decentralized and centralized supply chain system.
Penjadwalan Flexible Flowshop untuk Penurunan Jumlah Keterlambatan pada Produksi Industrial Glass Steffen Fang Nyoto; I Gede Agus Widyadana
Jurnal Titra Vol 9, No 2 (2021): Jurnal Titra
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PT. X is a company that has long been engaged in the glass manufacturing business and has several production plants. One of the plants of PT. X., which produces industrial glass have been had delivery lateness around 57% of all orders that have been received during January to May 2021. One of the factors that made lateness in delivery was came from the lack ability from Production Department to fulfil orders because the schedule for each machine did not made regularly. This research wishes to be able to give a scheduling improvement that can lower the rate of delivery lateness. The actual scheduling condition in that plant is done by manually moving the prioritized items  with Microsoft Excel program. This research will discuss the proposed Flexible Flowshop scheduling using Microsoft Excel VBA program with the objective function of minimizing the total weighted number of tardy jobs. The results of the proposed scheduling with the Microsoft Excel VBA program have a 25% better solution than the actual method. In addition, this method can shorten the working time of PPIC staff in generating scheduling for each machine.
Perancangan Model Klasifikasi Metode Pemesanan Bahan Baku pada PT X William Giovanno; I Gede Agus Widyadana
Jurnal Titra Vol 10, No 2 (2022): Jurnal Titra 10(2) Juli 2022
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The activity of splitting purchase orders at the company is a quantity separation process that is carried out because there are requests for revision of needs and changes in the arrival schedule of raw materials. PO split activities have an inefficiency impact on procurement administration activities and warehousing activities. The company has designed several ordering methods that can accommodate these conditions, namely minimum order quantity, max lot size, and rounding value. Goal of the research is to create a classification model that categorize the optimal ordering method for raw materials. It begins by evaluating the pattern of raw material features, then designs the levels of the raw material's characteristic combination. The author then defines the scenarios that occur from the combination of characteristics and levels. Finally, by integrating raw material data to a defined scenario, the author creates an automated model. As a result of the research, the model could classify raw materials based on the company's characteristic data, determining whether or not the minimum order quantity, maximum lot size, and rounding value ordering method are required. Companies can use the categorization model to detect and classify raw material ordering methods more easily, rapidly, and consistently.
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