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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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Game Popularity Tracking System Joseph Alexander Budiarto
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 (452.318 KB) | DOI: 10.9744/jirae.3.2.79-85

Abstract

The purpose of this research is to develop a game popularity tracking system that can generate popularity values once every 24 hours using daily data from Google Analytics. Within the scope of this project, game popularity is defined as the fact that the quality of a certain game is liked by many people. There are 5 metrics that can be used to calculate game popularity: users count, unique page views (UPV), average time on page (ATP), the difference of unique page views, and average time on page from the day before. To generate the popularity values daily, the combination of weighted average, exponential moving average, and exponential smoothing algorithm are used. The final result of this project is a service that can run automatically and also provides an HTTP API that could fetch popularity values of games from gaming sites, sending the data in XML format for other services to use when needed. The service is built using Node.JS and other in-trend technologies such as Google Analytics API v4, OAuth 2.0, Express.JS, etc.
Development of On-board Polytropic Index Prediction Model for Injection Timing Optimization of Diesel Engines Mitsuhisa Ichiyanagi; Hayao Joji; Hiroki Matsui; Emir Yilmaz; 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 (591.722 KB) | DOI: 10.9744/jirae.3.2.61-68

Abstract

Diesel engines are required to reduce exhaust emissions during real-world operations. In this regard, a new control concept called model-based control has been explored. Unlike the conventional method of relying on steady-state measurements, model-based control allows cycle-by-cycle optimization of control inputs based on physical principles. Existing models for combustion control have been using empirical equations to predict polytropic index for the compression stroke for estimation of in-cylinder pressure and temperature at fuel injection. Therefore, in this study, a polytropic index prediction model was developed in MATLAB to maintain the engine performance under transient conditions and to reduce the required number of experiments. The model includes a heat loss model and a gas flow model to consider the effect of wall heat transfer and gas flows inside the cylinder. The computational load of the model was reduced through discretization of a single engine cycle into several calculation points. The model was validated against numerical simulation results under steady conditions first, and then applied to transient conditions for more realistic operational conditions. The model estimated the polytropic index with average errors under steady and transient conditions with 0.22% and 0.37%, respectively. Finally, the calculation time of the model was evaluated to be 50.6 μs. It was concluded the model can be implemented on a model-based controller in the future.
Development of On-Board In-Cylinder Gas Flow Model for Heat Loss Estimation of Diesel Engines Mitsuhisa Ichiyanagi; Kazuki Kojima; Hayao Joji; Hiroki Matsui; 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 (804.396 KB) | DOI: 10.9744/jirae.3.2.69-78

Abstract

Diesel engines have been demanded to further increase the thermal efficiency through precise engine control under transient driving conditions, especially, it is essential to optimize the fuel injection timing and quantity cycle-by-cycle. Conventionally, fuel injection have been controlled by control maps, which resulted in large numbers of experiments and increase in cost. In order to overcome these problems, the present study focused on the model-based control and developed the on-board gas flow model, because the heat loss is affected by the turbulent intensity. Firstly, a validation of the CFD simulation is evaluated. The CFD simulation was used to validate the developed models and to determine unknown parameters used in the model. Secondly, modeling of in-cylinder gas flow is presented. To estimate the injection timing within 0.5 deg. against the target value, the heat loss must be estimated within the error range of 7.6%. Finally, as results, the error of heat loss obtained from gas flow model was 1.6%, and gas flow model fully met the requirement of tolerance range. From the viewpoint of calculation time, the calculation time of the model was 50.6 ms per cycle, and thus the model is capable of the use of on-board applications.
Biometric Course Attendance Monitor Benjamin Kommey
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 (855.705 KB) | DOI: 10.9744/jirae.3.2.86-91

Abstract

Abstract. During lectures, unless a lecturer clearly spots out that a particular student is absent, it becomes difficult to do so in an institution where manual system or sheet of papers are used for recording attendance. Students can sign the signatures of their colleagues and hence fill in the particulars of their absentee friend during attendance recording. This attitude employed by students nullifies the very purpose of taking attendance during lectures. Fingerprints are unique to each individual. They are considered as the best and fastest method for biometric identification. The hand or fingers of a student cannot be passed on to a colleague and hence his/her fingerprints. In an academic environment, the ability of a student to make a copy of his/her fingerprint for the purpose of proxy attendance recording is minimal or non-existent. A student has to be present at a lecture before he/she can be verified biometrically. In this paper, we present a fingerprint-based Biometric Course Attendance Monitor for recording attendance in educational institutions. The system comprises of an embedded device and a web application. The embedded device records attendance electronically after a student is identified using fingerprint recognition system. Attendance is recorded and stored locally on the embedded device. The device is then interfaced with a web application for managing the attendance records of students. Keywords: Biometric, Fingerprint, Attendance, Student, Lecture.
An Analysis of the HRGA Department Process Teofilus Nugraha Setiadarma; Benedictus Rahardjo
International Journal of Industrial Research and Applied Engineering Vol 4, No 1: APRIL 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jirae.4.1.6-12

Abstract

This study provided an analysis of HRGA Department processes at XYZ Company. The KPIs of the HRGA Department at XYZ Company has been ineffectively and inefficiently processed since 2017 till the first quartile of 2018. This study, therefore, aims to provide an analysis of the processes through the Recruitment, Training & Development, and Personnel Administration, with the fishbone diagram used to determine the main and root causes of the problems. The result showed that the processes were ineffective and inefficient because the company's working instruction partially complied, lacked employee leadership, and the organizational structure has not been updated in accordance with its development.
Towards a Low-Cost Solution to Learn Robot Manipulator Control Handy Wicaksono; Handry Khoswanto; Petrus Santoso
International Journal of Industrial Research and Applied Engineering Vol 4, No 1: APRIL 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jirae.4.1.1-5

Abstract

Learn a robot manipulator in university requires a physical robot so students can learn to program it straight away. However, it is expensive and not affordable by most universities in Indonesia. We turn to a ROS-based solution for an open source, free and advanced robotic software system. Using ROS and Gazebo simulator, we develop a low-cost solution where students can learn an advanced robot manipulator such as Baxter. We divide our labwork into five sections: controlling the arm w.r.t. joints position, controlling the arm based on its inverse kinematics, object detection by a camera attached in robot’s wrist, executing a simple plan: pick and place task, and enabling a robot to perform a tool-use task. By gradually increasing the complexities of the labwork material we expect students get a better understanding in controlling a robot manipulator. We provide an affordable solution for students to learn robot manipulator control.
The use of the Lean Method and Failure Mode and Effects Analysis (FMEA) on Product Costing - An Implementation in Automotive Battery Manufacturing Vega Prasetyo; Jani Rahardjo
International Journal of Industrial Research and Applied Engineering Vol 4, No 1: APRIL 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jirae.4.1.13-20

Abstract

This paper reporst a research that was conducted to utilize lean method and failure mode and effects analysis (FMEA) in product costing, in order to obtain more rational price standard. FMEA as one of the methods to analyze risks is used in this paper as a tool to identify the risks from the waste side which is then adapted into a product costing in order to obtain a more rational product price structure. Utilizing both methods produce a waste priority number with adjustment value of 52.23% to the existing product cost. This adjustment makes the cost of product higher than before but yields less gap with the highest retail price
Magento 2 and Elasticsearch Integration Andy Sukanto Kan; Peter Boots; Bart Delvaux
International Journal of Industrial Research and Applied Engineering Vol 4, No 1: APRIL 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jirae.4.1.21-25

Abstract

The purpose of this research is to extend the default integration of Elasticsearch in Magento 2.3 to search for other content which is category and content pages. The current search engine in Magento uses the default MySQL search engine, with the new update of Magento 2.3, Elasticsearch is introduced as an optional search engine. Elasticsearch provides a better and optimized full text search, however this new integration can only search the catalog products, therefore a way of extending the integration of Elasticsearch in Magento is searched for. The features that wanted to be implemented is Category search using Elasticsearch in Magento 2.
Create Domain-Specific Language and Syntax Checker Using Xtext Billy Jonathan; Rafayel Avetyan; Stan Abeln
International Journal of Industrial Research and Applied Engineering Vol 4, No 1: APRIL 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jirae.4.1.26-32

Abstract

ASML is a company that manufactures the TWINSCAN machine that can produce semiconductor chips. This machine has a TWINSCAN software installed inside it and that software needs mapping configuration files to keep it running properly. The configuration files are developed by developers from many departments within ASML. However, the development process of the configuration files is ineffective, as the developers will know if there is any defect in the source code only in the late part of the development after all files have been committed into the TWINSCAN software’s source code archive. It would be better if the developers know if there is any invalid syntax in the configuration files when they are still creating or editing the files, so they can fix the defects immediately before the files are uploaded into the source code archive. The main purpose of this research is to develop a Domain-Specific Language (DSL) based on the structure of the configuration files, and a syntax checker application that can check the mapping configuration files for the TWINSCAN machine during the creation or editing phase of those files by the developers. The development of the DSL and syntax checker would be done using Xtext framework installed in Eclipse Integrated Development Environment (IDE). The final results show that the DSL and the syntax checker developed using Xtext can detect any invalid syntax during the development phase of the configuration files, so the developers can fix the defects directly, thus solving the company’s problem.
A novel, Value-Focused-Thinking based, approach for modelling agro-industrial decisions under scarce information Mario Luis Chew Hernández; Leopoldo Viveros-Rosas; Verónica Velazquez-Romero
International Journal of Industrial Research and Applied Engineering Vol 4, No 2: OCTOBER 2019
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jirae.4.2.33-39

Abstract

Agro-industrial decision-making is hampered by several, variously-natured, uncertainties. As uncertainty reduction is expensive, the decision modelling process for these industries must strive to use all available information. However, said inclusive effort should be accompanied by an effort to keep modelling assumptions transparent. This work shows the development, from a Value-Focused Thinking perspective, of a model to assess alternatives for improving the operation of a cattle fodder producer.  Modelling starts by analyzing and structuring the owner’s objectives and proceeds by systematically characterizing, via value judgments or probability distributions, the connections between structured objectives.  Constructing the model over a blueprint of connected objectives allows a faithful representation of the understanding of the system behavior while the methodical, one-connection-at-a-time, modelling procedure renders the assumptions used to operationalize each connection visible, facilitating their replacement if more information becomes available. The modelling approach put forward here can support industrial decision making with limited information.

Page 3 of 5 | Total Record : 43

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