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OPERATION EXCELLENCE: Journal of Applied Industrial Engineering
Published by Universitas Mercu Buana
ISSN : 2085429     EISSN : 26545799     DOI : 10.22441/oe
Core Subject : Science,
Decision Sciences, Operations Research & Management
The aim of Operations Excellence: Journal of Applied Industrial Engineering (OE Journal) is to publish theoretical and empirical articles that are aimed to contrast and extend existing theories, and build new theories that contribute to advance our understanding of phenomena related with industrial engineering and industrial management in organizations, from the perspectives of Quality Engineering, Productivity Improvement, Logistic & Distribution, Supply Chain Management, Performance Management & Improvement System, Modelling, Operations Management, Optimization, Green Manufacturing.
Arjuna Subject : -
Articles 317 Documents
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Peningkatan Kualitas Pelatihan Dengan Metode Servqual dan Quality Function Deployment: Studi Kasus di Perusahaan Reasuransi Zarica Halimmah
Operations Excellence: Journal of Applied Industrial Engineering Vol 13, No 3, (2021): OE November 2021
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i2.025

Abstract

PT. Reinsurance Indonesia Utama (Persero) is the first reinsurance company of the government (BUMN). As a company that is very concerned about their employees, PT. Reinsurance Indonesia Utama (Persero) intensively held some training for their employee. But unfortunately, there is no evaluation regarding the satisfaction of the participants. Therefore, this research was conducted to determine the level of participant satisfaction using the ServQual method and proceed with using the Importance-Performance Analysis (IPA) method to determine the attributes that need improvement. After knowing the attributes that need improvement, the research continuing with QFD method to find out the improvement efforts that need to be done. The questionnaire was used as a data collection method and involved 70 respondents from PT. Reinsurance Indonesia Utama (Persero). The results of ServQual method showed that all attributes tested were negative. This indicates that the services provided have not satisfied the participants. The study continued with the IPA method and obtained 5 attributes in quadrant A that needed improvement. The five attributes are then spelt out in the HOQ matrix and obtained 6 technical responses as the company's response to the participants' needs.
Analisa Risiko Rantai Pasok Produk Kosmetik Sistem Make to Order Dengan Metode House of Risk Glory Riama Hosianna; Sawarni Hasibuan; Juliza Hidayati
Operations Excellence: Journal of Applied Industrial Engineering Vol 13, No 3, (2021): OE November 2021
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i3.027

Abstract

Risk is a factor that hinders supply chain operations that cannot be avoided but can be minimized or eliminated by carrying out appropriate risk management. This research was conducted at a cosmetic factory with a make-to-order business system. The purpose of this research is to identify the various risks that occur, analyze the sources of risk and create mitigation strategies. The method used in this research is the House of Risk Model to identify and determine the priority of the handling strategy. There are 7 risks that become a priority for mitigation, namely sudden demand, increased demand, dependence on one supplier, supplier lead time too long, delays in delivery schedules, inappropriate alternative supplier selection, and delays in the purchasing process. In this case, the planning and sourcing processes must be improved.
Quality Improvement of NH1X36B Pre-Printed Box with QM-CRISP DM Approach at PT X Anik Nur Habyba; Rina Fitriana; Tania Theodora
Operations Excellence: Journal of Applied Industrial Engineering Vol 13, No 3, (2021): OE November 2021
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i3.028

Abstract

PT X is a manufacturer of cardboard box whose products are indispensable for various fields. The problem identified in NH1X36B pre-printed box, which is a shoes box, is the high defect rate that exceed company target of 2%. This study aims to reduce the defect rate of the product. The Quality-Management (QM) and Cross Industry Standard Process for Data Mining (CRISP-DM) approach was conducted by integrating Six Sigma and data mining. The Business Understanding phase was intended to define business and data mining objectives, SIPOC (Supplier-Input-Process-Output-Customer) diagram, and Critical-to-Quality (CTQ). In Data Understanding phase, it is known that the Defects Per Million Opportunities (DPMO) value is 1210.12. Data preparation phase was carried out with data cleaning, reduction, and discretization. Based on the Modeling result using Decision Tree C4.5 and FP-Growth algorithm, it is known that the dominant attributes causing high rejection are smeared ink, white spots, uneven varnish, and delamination. Decision Tree model accuracy of 90.24% indicates that the model is performing well. Analysis using FMEA yielded priority correction to the causes of smeared ink, uneven varnish, and delamination. Process improvement in Deployment phase was the application of plate cleaning and mounting form, printing process checklist, and SOP for sheet inspection. The improvement plans managed to improve the quality by rising sigma level from 4.533 to 4.648 sigma and decrease defect rate to 1.559%.
Usulan Penerapan Metode Lean Project Management Pada Pembangunan Pelebaran Gedung Gitet Cilegon Baru PT. PLN (Persero) Sahrupi Sahrupi; Supriyadi Supriyadi; Muhammad Uzan Harisni
Operations Excellence: Journal of Applied Industrial Engineering Vol 13, No 3, (2021): OE November 2021
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i3.037

Abstract

The project construction of 2nd floors of GITET Cilegon Building at PT. PLN Persero run is not optimal. Delay is one of the waste occurs in the construction. This research aims to optimize the project construction with a lean thinking approach. Lean Project Management is a method used to obtain an optimal project schedule. Delay factors among others delay in material arrival, bad weather, and broken equipment. The highest risk potential was Acts of God and Natural Hazard such as rain, flood, or natural disasters. The recommendations for improvements to this problem are the switch of work that is material constrained, switch of work if any bad weather occurs. The results of the study obtained a time efficiency value of 33 days so that the work execution time could be accelerated to 156 days from the previous 189 days. The time efficiency contributes to project costs with an efficiency value of IDR 374.400.000.
Analisis Supply Chain Risk Management Industri Budidaya Lobster Air Tawar Dengan Pendekatan FMEA Siti Muhimatul Khoiroh
Operations Excellence: Journal of Applied Industrial Engineering Vol 13, No 3, (2021): OE November 2021
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2021.v13.i3.030

Abstract

The growing interest of the Indonesian people in the cultivation of LAT (Freshwater Lobster) is one of the effects of government regulation no. 56/ Permen-KP/2016. Since the occurrence of the Covid-19 pandemic with regional restrictions, one of the LAT cultivation industries of the Red Claw (Cherax Quadricarinatus) type in the Sidoarjo area, East Java, has experienced problems in supplying lobster to consumers in various regions outside cities in Indonesia. The delay in the supply of lobster results in delays in the supply of raw materials for consumers, the majority of whom are restaurant or restaurant activists. The success of supply chain management is determined by the number of costs that can be minimized, short time, and quality that is maintained, as well as the level of risk minimization (supply chain risk). Based on the problems that occur, risk identification will be carried out in each process to see its effect on cost, time, and quality. Then proceed with determining the weight based on the level of resistance (severity), possible resistance (occurrence), and the cause of the detected obstacle (detection). The last step is to calculate the RPN (Risk Priority Number) value obtained from the severity results. From the results of the analysis of risk identification and calculation of RPN with the FMEA approach, the highest risk weight with an RPN value of 105 was obtained due to the risk factor for the increase in distribution costs of cultivation products due to the impact of the Covid-19 Pandemic. Thus, the company should consider reorganizing its business strategy to focus on areas that are close to the point of supply of freshwater crayfish. 
Penerapan DFMEA pada Perancangan Produk Casing Lampu Berbahan Dasar Bambu Erik Odi Wijaya; Sahrupi Sahrupi; Mohamad Jihan Sofa
Operations Excellence: Journal of Applied Industrial Engineering Vol 14, No 1, (2022): OE Maret 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i1.039

Abstract

This research aims to discover the higest impact of product failures and determine the proper of solution. Design FMEA is a method to anticipate failure during the design stage by identifying all of the possible failures in a design or manufacturing process. This studi conducted in a micro, small and medium-sized enterprises (SMEs). KIM is a small company that produce handycraft product made from bamboo plants, one of the featured product is lamp casing. Any of customers complain encourage the company to make new product design and look for the cause of the problem and risk. The results of this  research  are obtained 5 components of lamp casing with the highest level of risk. An Improvement was carried out entirely by using a repair priority scale according to the sequence of failure modes with the highest risk of damage.
Analysis of Lean Process Factors to Improve Production Process Effectiveness (Case Study in BFM Pharmaceutical Industry) Oom Oman Abdurrahman; Vita Sarasi; Iman Chaerudin; Ina Primiana; Akhmad Yunani
Operations Excellence: Journal of Applied Industrial Engineering Vol 14, No 1, (2022): OE Maret 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i1.045

Abstract

BFM is a pharmaceutical company that produces bulk Tetanus Toxoid (TT). Bulk TT demand will continue to increase until 2025, while the current utilization rate has reached 97% of its design capacity. Bulk TT's current production capacity is insufficient, while the building area cannot be enlarged. This research was conducted to improve non-necessary value added by identifying and reducing waste to run well even though the production capacity is limited. Mix descriptive qualitative and quantitative methods are applied in this research. Production simulation is undertaken to reduce waste through the Gemba Kaizen approach and Kanban, while production capacity simulation is carried out using Dynamic Systems. The results of the simulations are described in the Balanced Scorecard. The research revealed there are 148 wastes consisting of 4 causes of waste in the high priority category, 20 medium priority and 124 low priority. The simulation generates a significant decrease value of the waste priority number (WPN) from 347.3 to 47.2. There was also an increase in the overall value stream. Value-added ratio (VAR) increased 12.57%, production lead time reduced 21.01%, and total cycle time decreased 11.65%. These findings indicated that the improvement was effective in eliminating waste. From the overall improvement, there was an increase in productivity of 25.0%.
Application of Value Stream Mapping to Improve Service in The Departure Terminal at Halim Perdanakusumah Airport Vita Sarasi; Ina Primiana; Desita Astira Kusnadiuthor
Operations Excellence: Journal of Applied Industrial Engineering Vol 14, No 1, (2022): OE Maret 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i1.040

Abstract

This study aims to identify and reduce waste in the passenger flow process at the Halim Perdanakusuma Airport departure terminal, so that passenger service remains good even with limited terminal capacity. This research used a qualitative method with a case study approach. The method stages are the observation of the departure passenger flow process mapped through current state Value Stream Mapping (VSM), distribution of questionnaires to obtain critical waste with Borda analysis, and fishbone diagrams to find out the rooting causes of critical waste, the proposing process improvements, and the future state of VSM, The results showed that critical waste in the flow of departure passengers is 22.11%, which includes passenger activities waiting for the Security Check Point 1 and Point 2 queue. Furthermore, based on the current state of VSM, the lead time for departure passengers is 33 minutes 47 seconds and VAR is 20.22%. While form the future state of VSM, the lead time is 28 minutes 22 seconds with a VAR of 20.36%, resulting in time efficiency of 5 minutes 24 seconds.
Analisa Pencarian Jalur Terbaik Pada Transportasi Laut Pengiriman Batubara Dengan Menerapkan Ant Colony Optimization Berbasis Website Astrid Diandra Maulidina; Zulfa Fitri Ikatrinasari
Operations Excellence: Journal of Applied Industrial Engineering Vol 14, No 1, (2022): OE Maret 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i1.047

Abstract

The high level of national coal production is certainly directly proportional to the demand for coal shipments through sea transportation. Minimizing delays in coal shipments is the main focus that must be resolved to meet the satisfaction of customers, especially for coal shipments from North Kalimantan which reached 29% delay time. The purpose of this research is to be able to find out the value of optimization in choosing the best path in shipping coal through sea transportation and create website-based application designs.  This study uses quantitative research methods where calculations using ant colony optimization algorithms (ACO) based on secondary data with website-based MATLAB GUI tools.  That way, this research is expected to provide recommendations for marine transportation, especially the shipping industry based on the goals to be achieved in this study.
Strategi Penentuan Supplier untuk Mitigasi Dampak Kenaikan Harga Bahan Baku pada Industri Manufaktur Baja lapis seng Muhammad Ibrahim Ats-Tsauri; Isdaryanto Iskandar; Barita Raja Siregar
Operations Excellence: Journal of Applied Industrial Engineering Vol 14, No 1, (2022): OE Maret 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i1.038

Abstract

According to the concept of supply chain management, one of the possible solutions for mutual survival in a turbulent world market is chain cooperation among the producer, his suppliers, and customers. The problem of supplier selection and determination of material quantities supplied is one of the most important activities in the supply chain. The purpose of this research is to propose a model for supplier selection for Cold Rolled Coil (CRC) supply by using Analytical Hierarchy Process (AHP), based on decision-making criteria validated by experts in the galvanizing industry. This study found that for galvanizing industry the weight of importance of Cost, Quality, Product, Service, and Delivery criteria is 0.47, 0.19, 0.19, 0.07, and 0.07, respectively. Supplier ranking based on their importance to the industry’s purpose has also been found, which would assist the decision-making process in determining CRC suppliers.

Page 21 of 32 | Total Record : 317

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