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Humiras Hardi Purba
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IJIEM - Indonesian Journal of Industrial Engineering & Management Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana Kampus Menteng - Gedung Tedja Buana, Floor 4th Jl. Menteng Raya No. 29 Jakarta Pusat- Indonesia Tlp.: +62 21 31935454 Fax: +62 21 31934474
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INDONESIA
Indonesian Journal of Industrial Engineering & Management
Published by Universitas Mercu Buana
ISSN : 26147327     EISSN : 27459063     DOI : https://dx.doi.org/10.22441/ijiem
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering
The journal aims to advance the theoretical and applied knowledge of this rapidly evolving field, with a special focus on industrial engineering and management, organisation of production processes, management of production knowledge, computer integrated management of production flow, enterprise effectiveness, maintainability and sustainable manufacturing, productivity and organisation, forecasting, modelling and simulation, decision making systems, project management, innovation management and technology transfer, quality engineering and safety at work, supply chain optimization. Indonesian Journal of Industrial Engineering & Management is published under the auspices of Universitas Mercu Buana. The main purpose of Indonesian Journal of Industrial Engineering & Management is to publish the results of cutting-edge research advancing the concepts, theories and implementation of novel solutions in modern manufacturing and services. Papers presenting original research results related to industrial engineering and management education are also welcomed.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 34 Documents
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Search results for , issue "Vol 5, No 1: February 2024" : 34 Documents clear
Designing a Marketing Strategy for Bawis Habati Fish Chips Using the Quantitative Strategic Planning Matrix (QSPM) Method Ridwan, Mochamad; Tosungku, La Ode Ahmad Safar; Pawitra, Theresia Amelia
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22038

Abstract

Habati fish chips is one of the Micro, Small, and Medium Enterprises (MSME) in the food industry in the city of Bontang. Habati MSME still applies simple promotion methods and does not target the teenage market to compete. This research aims to design a marketing strategy for Habati fish chips in Bontang city, targeting a new market segment, which is teenagers. The marketing strategy analysis is conducted in three stages: input stage, matching stage, and decision stage. In the input stage, Internal Factor Evaluation (IFE) matrix is used with a score of 2.338, External Factor Evaluation (EFE) matrix with a score of 2.764, and Competitive Profile Matrix (CPM) to determine the position of Habati MSME compared to Pak Ucil and Abadi Rasa based on the perspective of potential consumers. The matching stage is then used to formulate marketing strategies using the Internal-External (IE) matrix and Strengths, Weaknesses, Opportunities, and Threats (SWOT) matrix. Based on the overall methods used, the final stage is the decision stage. The decision stage utilizes the Quantitative Strategic Planning Matrix (QSPM) to select prioritized alternative strategies that can be implemented by Habati MSME. The research results provide seven alternative strategies with one prioritized strategy having the highest Total Attractive Score (TAS), which is to increase product sales through online marketing, utilizing marketplaces, and promoting product advantages, with a TAS of 7.074.
Marketing Strategy Analysis in Coffee Shop House of Essentials with SWOT Analysis Suwandari, Putri Ayu; Waluyo, Minto
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22398

Abstract

Changes in people’s lifestyles in the current era of globalization can be marked by changing ways to style.. Therefore, a business must formulate a marketing strategy in accordance with existing conditions. House Of Essentials coffee shop with an industrialist and modern building concept that is comfortable for relaxing, doing assignments, and working . The aims of this research is to formulate a marketing strategy for House of Essentials using SWOT analysis. SWOT analysis is a strategy-making toolthat systematically evaluates and identifies numerous elements in order to develop a company-based strategy. based on a logic that maximizes strengths and opportunities, while minimizing weaknessesand threats in a high-stakes market. Based on the IFAS and EFAS matrix, total internal factor weighting score (strengths and weaknesses) in the IFAS matrix was 3.2857 and the external factor weighting total score (opportunities and threats) in the EFAS matrix was 2.8005. The results show that cafe House Of Essentials is in quadrant I of the matrix grand strategy, which mean cafe can adopt an aggressive strategy.
Analysis of PVC-based Product Inventory Control with Economic Production Quantity and Lagrange Multiplier Methods at PT. XYZ Fitroni, Mochammad Rafqy Al; Pulansari, Farida
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22308

Abstract

PT XYZ is a manufacturing company that produces various kinds of products made from PVC (Polyvynil Chloride). Some of the PVC-based products produced by PT XYZ are transparent sheet, colour sheet, and flooring. The problem that exists at PT XYZ is that the company often produces more than the amount of demand which makes the company have to prepare a storage warehouse with a capacity as large as the number of products produced. With this, the storage warehouse experiences overcapaity in controlling the inventory of products produced by the company. And it can be concluded that the problem that occurs at PT XYZ is inventory control and production quantity planning that has not been well planned. Based on the problems that occur at PT XYZ, the most suitable method used to solve these problems is the Lagrange Multiplier method. This research has a purpose to control the inventory of products made from PVC so as to minimize the total cost of product inventory at PT. XYZ. From the research This study found the optimal production amount of 1,332,999 m. Where with the amount of production, the company needs a warehouse area of 9,299.9 m3. The total inventory cost calculated using the Lagrange Multiplier method is IDR 377,073,841,401 while the company's total inventory cost is IDR 402,844,596,680. So that a savings of IDR 25,770,755,279 or 6.40% is obtained.
Kaizen Implementation in the Motorcycle Tire Testing Stage with the PDCA Cycle Yuliarty, Popy; Sudibyo, Agung; Avrizal, Reza
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22296

Abstract

The research was conducted at the tire trial stage at a motorcycle tire production company, which aims to reduce defects in the measurement results at the tire sample trial stage. The company policy stipulates that tire trials are carried out on 10 tire samples taken at random from each of the total production of 250 motorcycle tires. From the samples taken, it was found that the types of tire defects were Cut Sample and Crown Sample as well as tire dimension defects that did not match the target with dimensional defect types namely Pattern Bare and Bead Crack with a total of 60% defects. The method used for improvement with Kaizen through the PDCA cycle, shows several improvement steps based on Fishbone Diagram and 5W1H analysis. The result of this research is the reduction of defects to zero defects (0%), which means that the company's quality objectives can be achieved. With the principle of Kaizen through this PDCA cycle, the company gets very satisfying results, in line with its target of zero defects.
Queuing System Simulation to Optimize Waiting Time using the Quality Function Deployment Approach at KFC Pontianak Mudzakkir, Fajar; Nugraha, Nur Fakhri; Taufik, Taufik
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.24951

Abstract

The aim of this research is to find the best scenario to optimize the queuing system so that it can reduce waiting time during customer service at KFC Pontianak. Queue systems are prevalent in public services. The research employs Quality Function Deployment (QFD) and Discrete Event Simulation (DES) methodologies. Alternatives generated are simulated using ARENA Simulation. 70 respondents participated in the KFC Pontianak customer questionnaire, comprising 48.6% females and 51.4% males aged between 18-45 years. The results of the questionnaire showed that 51.4% of respondents were dissatisfied with the speed of service at KFC Pontianak. Customer needs identified through QFD include service speed, order accuracy, ease of use, customer satisfaction, queue comfort, food quality, and payment integration. Analysis reveals three queue system scenarios, two of which propose improvements. The second scenario involves 2 cashiers and 2 self-service cashiers. Self-service allows customers to order by scanning a QR code integrated with the service provider's application. Arrival type employs an exponential distribution with an average of 61 seconds, unlimited max arrival, and first creation with a value of 0. In self-service, there is a value difference of 1 and a standard deviation of 0.2. Simulation results indicate that 51 customers choose cashier 1, 41 choose cashier 2, 39 opt for self-service cashier 1, and 53 prefer self-service cashier 2. The total successfully served customers are 94, with a success rate of 51%. In the third scenario involved 4 self-service cashiers only, the values of 1 and standard deviation of 0.2. The total number of successfully served customers is 173, with a success rate of 80%. In conclusion, this research offers valuable insights for optimizing KFC Pontianak's queue system, addressing customer dissatisfaction with service speed. The proposed scenarios, especially those involving self-service options, demonstrate potential improvements in customer satisfaction and operational efficiency.
Optimization of Production Process by Applying Theory of Constraint (TOC) at CV. Wijaya Mandiri Label Agraprana, Al Aileen; Donoriyanto, Dwi Sukma
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22515

Abstract

CV. Wijaya Mandiri Label is a company engaged in the printing industry sector located in Sidoarjo which provides printing services inside and outside Sidoarjo. In the production process, problems arise after several years of operation at work stations that cause bottlenecks in the production capacity of bontax and OPP sticker printing, thus hindering the production process to run optimally. This resulted in an inefficient sticker production process in meeting targets that made throughput not optimal. To overcome these problems, researchers conducted research that explored the use of Theory of Constraints (TOC) and supporting methods, namely linear programming, to optimize the company's production process and analyze data on working hours and product production demand. From the results of the research, it was concluded that the company experienced Capacity Constraints which caused bottlenecks at the fourth work station in the last six months. After exploiting the constraints on the bottleneck workstation, throughput is obtained using a linear programming calculation formulation with the results of x1= 0 and x2 = 3,948.47 amounting to IDR16,781,000 in WinQSB software. The final stage of constraint elevation is carried out by allocating operators to bottleneck work stations and obtaining an increase in throughput of IDR6,322,300 or a percentage increase of 27.4% using WinQSB software.
Application of Quality Function Development (QFD) to Improve Quality and Develop Porang Rice Product XYZ Pangastuti, Nova
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.23104

Abstract

Porang rice is one of the alternatives to rice but porang rice producers are still very few and fairly new in the field. XYZ porang rice is one of the porang rice products that is quite in demand by various groups.  The purpose of this research is to provide information to companies to develop their products. Because developing this product requires the voice of consumers in the product development process with the hope that if the company develops the product in accordance with consumer expectations, an increase in sales will occur. So that later this XYZ brand porang rice can continue to improve its products and services for consumers. In this study, the steps taken at the beginning were to deepen the strengths and weaknesses of the product using the EFAS and IFAS matrices This study uses the Quality Function Development (QFD) approach with the initial stage of identifying customer needs and getting 19 attributes of consumer expectations of XYZ brand porang rice products. After that, a customer satisfaction performance (CSP) is made by comparing other brand products. related to determining the CSP value, the CSP value for XYZ Brand Porang Rice is 4.75 with a durable attribute within a day and the lowest is on a more creative and attractive product packaging model with a value of 2.35 while for its competitors with Shirataki Rice with the K brand, the attribute that has the greatest value is the high fiber and the size of the intact rice grains with a value of 4.70 and the lowest is the attribute of the packaging model with a variety of sizes, namely 1.45. Then processed into HOQ calculations and obtained the results of the 3 largest value of priority improvements in the production tool, then followed by marketing, and the third is in the texture produced.
Analysis of the Influence of Product Quality, Service Quality, and Sales Promotion on Purchasing Decisions and Consumer Loyalty (A Case Study on Dunkin’ Indonesia Consumers) Ramadhani, Novita Puspa; Waluyo, Minto
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.21662

Abstract

The number of restaurant and franchise companies in Indonesia makes people more selective in choosing products that suit what they want. In this case, companies are required to be careful in developing marketing strategies in order to spur competitiveness to win market competition. Therefore, this research tries to find out the influence of product quality, service quality, and sales promotion on purchasing decisions that have an impact on consumer loyalty and strategies to improve Dunkin’ consumer purchasing decisions. The research’s methodology is the Structural Equation Modeling (SEM) method and SWOT analysis with a sample size of 100 responders. The outcomes of this research show that product quality has a positive and significant effect on purchasing decisions, service quality cannot be proven because it is excluded from the research model, sales promotion has a negative and insignificant effect on purchasing decisions, and purchasing decisions have a positive and significant effect on consumer loyalty. The simultaneous equation obtained is Y1 = 0.367 X1 + (-0.024) X3 + Z3 and Y2 = 0.117 X1 + (-0.008) X3 + Z4. The strategy obtained from the SWOT analysis outcomes and can be applied by Dunkin’ is to implement the W-O strategy which consists of: (1) Dunkin’ can conduct market research to find the right target market and adjust their sales promotion strategy to the preferences of that target market; (2) Dunkin’ can take advantage of technology and digitalization to increase customer convenience and strengthen brand engagement.
Quality Control Analysis Using Statistical Quality Control (SQC) and Fault Tree Analysis (FTA) Methods in Semoga Laris Tofu Factory Aini, Mutiara Qurrota; Tosungku, La Ode Ahmad Safar; Gunawan, Suwardi
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.23039

Abstract

Semoga Laris tofu factory is a business engaged in the production of tofu. This factory produces approximately 80 drums of tofu per day. There are problems faced at this factory, namely the increase in defective products, namely the texture of the tofu that is too soft, dirty tofu, and the shape of the tofu that is too thin. This can lead to decreased consumer confidence. Every day there are at least 10-15% defective products. This study was conducted to determine the types of product defects, the causes of product defects, and propose improvements to minimize defective products in tofu processing. The methods used in this research are Statistical Quality Control (SQC) and Fault Tree Analysis (FTA). The quality tools of SQC method are check sheet, histogram, pareto diagram, P control map, and fishbone diagram. Then proceed using the Fault Tree Analysis (FTA) method to determine suggestions and corrective actions. Based on the results of research using the SQC method, it is known that the number of thin size defects is 46.231, there is dirt on the tofu as many as 16.093 seeds, and the texture of soft tofu is 27.357 seeds. The results of the analysis using the fault tree analysis (FTA) method show that the causes of product defects include insufficient rest time (D2), irregular machine maintenance (E2), insufficient rest time (F1), and no temperature checker. Proposed improvements that can be given are by providing measuring instruments, making machine maintenance schedules, making machine control cards, giving breaks, supervising, giving gifts to workers, and providing thermometers.
Analysis of Value Stream Mapping (VSM) in the Application of Lean Manufacturing to Minimize Waste at PT. Karya Indah Medika Fatinnisa, Ghina Aldra; Saifuddin, Joumil Aidil
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22395

Abstract

Achievements to minimize waste can be done by adopting a Lean manufacturing approach. Lean manufacturing is a concept that can design production processes to be better, faster, and cheaper with minimal space, small inventory, small labor hours, and avoid waste. This research takes the case study of PT Karya Indah Medika which is a company engaged in manufacturing to produce medical devices, medical device service services, and medical device installation. In the company there is still waste, especially in unnecessary movements and product defects. This study aims to identify waste that occurs in the company and provide recommendations for improvements in order to minimize waste and obtain optimal production time. Value stream mapping is used to describe all processes in the company. The results showed that the initial production time of 17 hours 18 minutes could be reduced to 1 hour 55 minutes. Based on the Failure Mode and Effect Analysis (FMEA) it is known that the root cause of the problem in the highest waste is workers in a hurry so they are not thorough in working with a Risk Priority Number (RPN) score of 294, lack of materials needed for production, placement of tools that are not in accordance with production needs and a warehouse area that is less extensive by 216.

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