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Indar Sugiarto
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Institute of Research and Community Outreach Petra Christian University Siwalankerto 121-131, Surabaya - Indonesia
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International Journal of Industrial Research and Applied Engineering
Published by Universitas Kristen Petra Surabaya
ISSN : -     EISSN : 24077259     DOI : 10.9744/jirae
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
JIRAE is a peer-reviewed international journal providing a medium for the academic and industrial community to share cutting-edge research and development in various aspects of industrial technology and applied engineering. The objectives are: to encourage research work in the field of industrial technology and applied engineering among scientists, researchers, engineering practitioners, and industrial experts to improve efficiency, reduce costs, and generate high-quality products / services; to promote the adoption and development of comprehensive and state-of-the-art technologies for enterprises and industries; and, to bridge the theoretical and practical gap between academia and industry, and advocate collaboration to address enterprise and industry challenges.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 43 Documents
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Metallurgical Analysis of Steel Plate for Deep Drawing Application Victor Yuardi Risonarta; Huffal Azhar Fadly; Hafidh Frian Perdana
International Journal of Industrial Research and Applied Engineering Vol 2, No 1 (2017)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.605 KB) | DOI: 10.9744/JIRAE.2.1.25-28

Abstract

Deep drawing is one of metal forming manufacturing processes which can be used to produce many products, e.g. kitchen ware, automotive parts, etc. Although this particular manufacturing company has applied the Japanese standard JIS G 3141 as guidance to select a steel plate for deep drawing application, the deep drawing process at this company is still failed. Therefore, this manuscript discusses more deeply the metallurgical analysis of selected steel plates to produce a deep-drawn product with 0.5 thickness. Analysis presented in this manuscript comprises the influence of chemical composition of a steel plate on its mechanical property, i.e., tensile strength, elongation, and hardness. As a result, a correlation between chemical compo­sition and expected mechanical property to manufacture a drink cup is outlined. Moreover, recommended chemical composition of a steel plate is also presented.
ActiveSchematics AutoRendering Mobile Device Optimization Ferdinand Kusuma; Mieke van Vucht; Raymond de Vijlder
International Journal of Industrial Research and Applied Engineering Vol 2, No 1 (2017)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (570.755 KB) | DOI: 10.9744/JIRAE.2.1.29-34

Abstract

In this modern era, technology is one of our main necessities. Technology is always evolving and changes from day by day. One of the major developments in technology is the increasing usage of mobile devices for personal use or even for company use. AA-AS/EDS-WIR2 is one of the sub departments in the Robert Bosch Company that creates applications for the automotive market. The department has created an application named ActiveSchematics AutoRendering. This application is used in car workshops to help mechanics to repair car defects by rendering the car schematics. This application is constructed with an ASP.NET framework combined with a standalone Delphi program as a plugin. The front-end development is done using HTML5, CSS, JavaScript code, and the back-end development is done using C#. The schematics are SVG-based with HTML as the container file. At present, the rendered schematics are not compatible when opened from a mobile browser, because the legacy support for interactivity (for example zooming and panning) is implemented without any mobile support code. The company wants the application to become a mobile device friendly application. The research proposal to be addressed is to solve which front-end libraries can be used to help the SVG schematics to implement mobile-based gesture compatibility. After some trial and error experiments, mobile device improvement will be implemented by adding jQuery, Hammer.js, jQuery PanZoom, and Bootstrap library. The experimental results have been successful and the company can have the mobile device friendly feature for their clients. This research shows that jQuery and hammer.js can be implemented on an SVG object to become a mobile device friendly schematic.
The Application of Agglomerative Clustering in Customer Credit Receipt of Fashion and Shoe Retail Michael Abadi Santoso; Budi Susanto; Gloria Virginia
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (585.593 KB) | DOI: 10.9744/jirae.3.1.37-44

Abstract

Agglomerative Clustering is one of data mining methods to get a cluster in form of trees. In order to achieve these objectives, we used two agglomerative methods such as Single Linkage and Complete Linkage. Searching for nearest items to be clustered into one cluster also needs a similarity distance to be measured. We used Euclidean Distance and Cosine Similarity for measuring similarity distance between two points. The factors that promote high levels of accuracy depend on the pre-proceeding stage for clustering process and also affect the results obtained. Therefore, we conducted research through several stages: pre-processing such as ETL, normalization, and pivoting. The ETL process consisted of removing outliers using IQR method, data-cleaning and data-filtering processes. For normalization, we used Min-Max and Altman Z-Score methods to get the best normal value. The results of this research demonstrate that the highest accuracy occurs when using the Complete Linkage with Min-Max and the Euclidean method with the average purity of 0.4. The significant difference is observed when using the Z-Score and Cosine Similarity methods; the average purity is around 0.11. Besides, we found that the system also could not predict the customers’ preferences in buying goods for the next period. Another result in the research is that transactional data in a company are not good enough to be clusterized.
New Active Cooling System to Prevent an Overheating on the Vehicle Disc Brake Joni Dewanto; Oegik Soegihardjo; Agustinus N. Rolando Wijaya
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.556 KB) | DOI: 10.9744/jirae.3.1.1-6

Abstract

The brake is a major and vital component to slow down and stop a vehicle. If the brake malfunctions, it can cause a fatal accident or seriously injure either passenger or other road users. That is one reason why research is conducted to improve the capability and reliability of vehicle braking systems. The thermo-mechanical properties of the material for better disc brake components have been investigated. Some geometrics of the disc brake design models have also been studied to determine the heat distribution that occurs during braking. However, brake failure cases still occur frequently. Most of the brake failures are preceded by the occurrence of overheating when the vehicle is braked continuously on a declining road. This indicates that the heat dissipation system during braking does not work well. This study focuses on designing an unconventional brake system, that uses an active cooling system. Under conditions of large braking loads, the brake system will actively cool down by spraying water on the caliper so the brakes will not experience overheating. The design of this system consists of temperature sensors mounted on the caliper, an over-temperature control unit and also a cooling unit. The design is implemented on a four-wheel vehicle brake model. The increase of caliper temperature at the time of braking is simulated by putting the temperature sensor on the Bunsen burner. The results of this study shows that at various levels of temperature increases the system works very well. 
Analysis on the Effectiveness of Extract Mixture of Anthouse Plant (Myrmecodia Pendans) and Red Pepper Vine (Piper Ornatum) as a Green Corrosion Inhibitor on the Corrosion Rate of API 5L Grade B Steel in H2SO4 1M Solution Tubagus Noor Rohmannudin; Agung Purniawan; Sulistijono -; Bintang Ayu Nuraeni
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.219 KB) | DOI: 10.9744/jirae.3.1.7-13

Abstract

The analysis of the mixture of anthouse plant (Myrmecodia pendans) and red pepper vine (Piper ornatum) in H2SO4 1M solution had been studied by weight loss, Electrochemical Impedance Spectroscopy (EIS), Fourier-Transform Infrared Spectroscopy (FTIR), and Spectrometer test. The Myrmecodia pendans and Piper ornatum were chosen because they contain antioxidants that can inhibit the corrosion rate. The specimen used in this study was API 5L Grade B steel in H2SO4 1M solution. The compositions used in this study were 100% MP : 0% PO, 75% MP : 25% PO, 50% MP : 50% PO, 25% MP : 75% PO, and 0% MP : 100% PO (MP: Myrmecodia pendans, PO: Piper ornatum). FTIR testing result shows that a passive layer was formed by O, H, and N bonds. The weight loss method shows that the highest efficiency of 52.43% was achieved by 50% MP : 50% PO mix composition. Polarization testing shows that the corrosion rate decreased drastically with the addition of 50% MP : 50% PO mix composition, i.e., from 36.32 mpy to 7.93 mpy, due to the passive layer formed on the steel surface. EIS results show the presence of resistance solution (Rs), charge transfer resistance (Rct), and CPE. The adsorption free energy value of the mixture of Myrmecodia pendans and Piper ornatum was −10.02 kJ/mol and it was a physical adsorption.
Operator Idle Time Rectification as the Solution to Cycle Time Reduction in Oxygen Sensor Production Melvin Harsono; Joni Welman Simatupang
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.822 KB) | DOI: 10.9744/jirae.3.1.14-18

Abstract

In factory works, there are systems that need to be followed in order to create a well-ordered process such that Just In Time (JIT) production can be reached. The lean manufacturing principle is one of the solutions for sustainable factory system. Within the lean manufacturing system, there are many tools that can be applied for sustainability and improvement. In this paper, Kaizen, the Japanese business philosophy as one of the lean manufacturing principle tools, is applied to give an improvement in reducing production cost. It is done by continuous observation, note, and analysis of time consumption required by the production line. A new Kaizen analysis from a new point of view is applied by comparing the impact of adding operator to the production line to the Over Time (OT) cost and renewing part of the machine-tool mapping for faster Takt Time (TT). Kaizen activity was successfully analyzed. It shows that the production Cycle Time (CT) can be deducted by 0.5 seconds which will reduce the production revenue cost by 10.8%.
Waste Reduction on Personality Action System of Daily/Piece-rated Process Benedictus Rahardjo
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.899 KB) | DOI: 10.9744/jirae.3.1.19-25

Abstract

PT. X is a multinational company that works in the consumer goods sector. PT. X has many departments and one of them is the Human Resources (HR) Department whose role is to maintain all of the employees under PT. X. The HR Department also has some subfunctions. One of them is HR Services. Employees that work with PT. X are divided into two categories: monthly employees and daily/piece-rated employees. One of the processes that HR Services provides for the daily/piece-rated employees is ePAF daily/piece-rated, which can be monitored by a verification process. If an ePAF is not verified, then it is possible for the ePAF process to be denied and that is a waste that can cause over-processing for HR Services. There were 750 ePAF denials in 2016 with an average processing time of 1.78 hours needed to resubmit each process. An analysis was done using a Pareto Chart and Fishbone Diagram to reduce the time wasted and to look for countermeasures for each of the root causes. The Pareto Chart shows three major problems occurring. These are: errors in the closing date, errors in the transaction date, and errors in the supporting document. The root causes of the problem come from human error, method errors, and system classification errors. The solutions proposed are expected to reduce the numbers of ePAF denials by around 51.2%.
Design Management System for talent.gamehouse.com Modification and Maintainability Aditya Astono
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (338.817 KB) | DOI: 10.9744/jirae.3.1.45-49

Abstract

Design is not a lasting component within a web application. There will come a time when the design is outdated and requires a new form of styling. However, in order to implement the new design, one or more developers are needed to modify the code of the application. The process will use a considerable amount of resources and time that might be more valuable to use for other more important cases. That is why the idea of creating a Design Management System (DMS) surfaced. DMS is created for talent.gamehouse website so that an individual with no knowledge in web development can alter the styling according to his/her preference. The application will also help developers who work on the website to decrease the time needed to do the design implementation. The process is done through several phases. The first phase is to inject a server-side programming language, such as PHP, Python, and Ruby to the Cascading Style Sheet, which is a presentation document that consists of styling properties for a website. The second phase is to create a database for the styling properties, so that the data is stored in a server instead of the CSS. The last and most crucial phase of the process is to create a function where a styling property can be modified using an SQL query. The query will alter the property to the user’s liking. These phases are all generated through a front-facing site which the users will interact with. The site will be created using Hyper Text Markup Language (HTML), complemented with additional frameworks to enhance the user’s experience. The application was tested through a usability session with one of the stakeholders of the application and generated a positive outcome for the fully-functional end result.
Production Process Evaluation of a Job Shop Fabrication Line – A Case Study at a Door Manufacturer Elia Oey; Albert Brilliant Limita; Harold Adhitjan
International Journal of Industrial Research and Applied Engineering Vol 3, No 1 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (709.652 KB) | DOI: 10.9744/jirae.3.1.26-36

Abstract

With the increasing market competitiveness, it is crucial for company to remain effective and efficient in its Operation Management. Production process is one of major areas where company seeks to improve its production capability in order to remain competitive. The research was a case study in a door fabrication line. The production process is a job shop process type which consists of several inter-linked and inter-dependent sub-processes with shared resources. The study used simulation methodology and Simio software to better understand and analyze the complexity of the process. The study fed few controlled and uncontrolled input variables into the simulation models and analyzed on how to improve some output/response variables. Six scenarios were analyzed during experimentation leading to the best scenario 7 giving improvement in term of crew utilization, average time, and number of entity in the system. Besides giving recommendations to the studied company, the study also successfully demonstrated on how simulation can be used to mimic different kinds of process logic in a job shop production process.
Experimental Study of Combustion Fluctuation Reduction Using In-Cylinder Pressure Estimation in Gasoline Engine Mitsuhisa Ichiyanagi; Willyanto Anggono; Edyta Dzieminska; Takashi Suzuki
International Journal of Industrial Research and Applied Engineering Vol 3, No 2 (2018)
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (452.913 KB) | DOI: 10.9744/jirae.3.2.51-60

Abstract

Gasoline engines needs to reduce its negative emission waste and raise its thermal efficiency. Previous studies have shown an improvement of engines by regulating the ignition timing and retaining the engine at certain air-to-fuel ratio. Additional development of the thermal efficiency is anticipated by reducing the oscillation of pressure due to combustion (referred to as combustion fluctuation) during each cycle. Reducing the combustion fluctuations promotes the generation of a stable combustion field and improves fuel consumption. Since the combustion fluctuations are significantly affected by the in-cylinder pressure at compression top dead center (referred to as TDC pressure), the present study proposes a method to estimate the TDC pressure in the next cycle. The estimation was conducted by measuring the in-cylinder pressure at exhaust valve opening in the given cycle. This study also developed the method to reduce the combustion fluctuations by using the TDC pressure estimation and controlling the ignition timing. In our experiments, it was found that the developed methods reduced the fluctuations of the indicated mean effective pressure (IMEP), the maximum in-cylinder pressure, and the TDC pressure by 62.1%, 51.2%, and 38.5%, respectively.

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