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IJEE (International Journal of Engineering Education)
Published by Universitas Diponegoro
ISSN : -     EISSN : 25409808     DOI : -
Core Subject : Education, Engineering,
Education Engineering
The scope of journal covers all area in a wide variety of research areas in the field of engineering education. Some of research area such as (1) engineering epistemologies (what constitutes engineering thinking and knowledge), (2) engineering learning mechanisms (how learners develop knowledge and competencies), (3) engineering learning systems (instructional cultures and institutional practices), (4) engineering diversity and inclusiveness (how human diversity contributes to engineering processes and products), and (5) engineering assessment (development and use of assessment methods, instruments, and metrics).
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol 1, No 1 (2019)" : 7 Documents clear
A Robust Grey Wolf-based Deep Learning for Brain Tumour Detection in MR Images Geetha A. Geetha; Gomathi N. Gomathi
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1531.556 KB) | DOI: 10.14710/ijee.1.1.9-23

Abstract

In recent times, the detection of brain tumour is a common fatality in the field of the health community. Generally, the brain tumor is an abnormal mass of tissue where the cells grow up and increase uncontrollably, apparently unregulated by mechanisms that control cells. A number of techniques have been developed so far; however, the time consumption in detecting brain tumor is still a challenge in the field of image processing.  This paper intends to propose a new detection model even accurately. The model includes certain processes like Preprocessing, Segmentation, Feature Extraction and Classification. Particularly, two extreme processes like contrast enhancement and skull stripping are processed under initial phase, in the segmentation process, this paper uses Fuzzy Means Clustering (FCM) algorithm. Both Gray Level Co-occurrence Matrix (GLCM) as well as Gray-Level Run-Length Matrix (GRLM) features are extracted in feature extraction phase. Moreover, this paper uses Deep Belief Network (DBN) for classification. The DBN is integrated with the optimization approach, and hence this paper introduces the optimized DBN, for which Grey Wolf Optimization (GWO) is used here.  The proposed model is termed as GW-DBN model. The proposed model compares its performance over other conventional methods in terms of Accuracy, Specificity, Sensitivity, Precision, Negative Predictive Value (NPV), F1Score and Matthews Correlation Coefficient (MCC), False negative rate (FNR), False positive rate (FPR) and False Discovery Rate (FDR), and proven the superiority of proposed work. 
A Novel HWRR-SJF Scheduling Algorithm for Optimal Performance Improvement in LTE System Pradeep S
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (20.994 KB) | DOI: 10.14710/ijee.1.1.1-8

Abstract

In currently, the revolution in a high-speed broadband network is the requirement and also endless demand for high data rate and mobility. To achieve above requirement, the 3rd Generation Partnership Project (3GPP) has been established the Long Time Evolution (LTE). LTE has established an improved LTE radio interface named LTE-Advanced (LTE-A) and it is a promising technology for providing broadband, mobile Internet access. But, better Quality of Service (QoS) to provide for customers is the main issue in LTE-A. To reduce the above issue, the packets should be utilized by using one of the most significant function of packet scheduling to upgrading system performance via determines the throughput performance. In existing scheme, the user with poor Channel Quality Indicator (CQI) has smaller throughput issue is not focused. In this paper, a Hybrid Weighted Round Robin with Shortest Job First (HWRR-SJF) Scheduling technique is proposed to enhance efficient throughput and fairness in LTE system for stationary and mobile users. In this proposed scheduling, to schedule users according to a different criterion like fairness and CQI. HWRR-SJF Scheduling has been proposed for scheduling of the users and it produces increased throughput for various SNR values simulated alongside Pedestrian and Vehicular moving models. The proposed method also uses a 4G-LTE filter or Digital Dividend (DD) in order to align the incoming signal. The digital dividend is used to remove white spaces, which refer to frequencies assigned to a broadcasting service but not used locally. The proposed model is very effective for users in terms of the performance metrics like packet loss, throughput, packet delay, spectral efficiency, fairness and it has been verified through MATLAB simulations.
Novel Code Plagiarism Detection Based on Abstract Syntax Tree and Fuzzy Petri Nets Victor R. L. Shen
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (31.232 KB) | DOI: 10.14710/ijee.1.1.46-56

Abstract

Those students who major in computer science and/or engineering are required to design program codes in a variety of programming languages. However, many students submit their source codes they get from the Internet or friends with no or few modifications. Detecting the code plagiarisms done by students is very time-consuming and leads to the problems of unfair learning performance evaluation. This paper proposes a novel method to detect the source code plagiarisms by using a high-level fuzzy Petri net (HLFPN) based on abstract syntax tree (AST). First, the AST of each source code is generated after the lexical and syntactic analyses have been done. Second, token sequence is generated based on the AST. Using the AST can effectively detect the code plagiarism by changing the identifier or program statement order. Finally, the generated token sequences are compared with one another using an HLFPN to determine the code plagiarism. Furthermore, the experimental results have indicated that we can make better determination to detect the code plagiarism.
Enhancement Student Understanding Through The Development Of Lab Module Based On Constructivistic Wiharyanto Oktiawan; Mochtar Hadiwodo; Purwono Purwono
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (676.789 KB) | DOI: 10.14710/ijee.1.1.41-45

Abstract

Experimental focuses learning on developing the skills of student in the process of knowledge, discover and develop their own fact, concept, and values required. The way to make it is by doing  modification to the practical guidance module had been given. Nowadays, practical guidance tend to emphasize on the explanation, so its use both practical and follow the path that has been presented. The practical guidance module should be modified based on constructivism. The module is an experimental guidance to environmental laboratory subject. The test material consists of water and wastewater sample with parameter of chemical oxygen demand (COD), total dissolved solid (TDS), and nitrate. The results showed progress in the cognitive aspects such students' ability to predict the concentration of COD sample. The greater COD concentration of wastewater make the color of mixture is blue-green. The student could communicate the calibration curves correctly. Hypothesis skills presented at TDS testing. The greater of the sediment, the greater the concentration of its. The same thing happened on COD testing, COD levels can be estimated earlier. The skills show an increasing such as the skill to ask questions, experiment planning skills, skills in using tools/materials, accuracy in data retrieval, seriousness and cooperation in conducting the experiment.
Fostering Mathematical Creativity Among Engineering Undergraduates Keng Keh Lim; Zaleha Ismail; Yudariah Mohammad Yusof
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (957.706 KB) | DOI: 10.14710/ijee.1.1.31-40

Abstract

This research is used to study engineering undergraduates fostering their mathematical creativity during creative problem solving. This was an exploratory research carried out in a public university as to find out the impact of CPS towards mathematical creativity among the engineering undergraduates. A case study was used to provide deep exploration of how the engineering undergraduates using their creative methods to solve open-ended mathematical problems creatively. Qualitative research design was applied in order to understand in depth the engineering undergraduates working collaboratively to generate their creative ideas during mathematical problem solving. Three final years engineering undergraduates took part in the study.  They had to use their divergent and convergent thinking to generate creative methods to solve twelve open-ended mathematical problems. Qualitative research design of case study was used in this study to explore the engineering undergraduates using creative methods to solve open-ended mathematical problems during creative problem solving processes. By analyzing the data collected from the case study can provide in-depth and detail understanding of the creative processess and products of the research. Observation and recording sheets were used to collect all the data. SCAMPER was also used as a guideline for them to spark their creaivity. All the qualitative data of drawing from documents, videotape from observation and snapshot texts from recording sheets were collected and then analyzed. They were coded and categorized into different themes in order to find out the mathematical creativity among the engineering undergraduates. The results in this study shows that the engineering undergraduates were able to generate different creative methods with the help of the SCAMPER.
DETERMINATION OF EMPLOYABILITY SKILLS REQUIRED BY ELECTRICAL TECHNOLOGY STUDENTS IN COLLEGES OF EDUCATION IN NIGERIA Sunday Rufus Olojuolawe; Fadila Nor Bt Amin
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (962.032 KB) | DOI: 10.14710/ijee.1.1.57-66

Abstract

The rate of unemployment among youths in Nigeria has assumed a worrisome dimension. More importantly that those affected are specialized graduates from tertiary institutions.  The youth unemployment rate has been of persitent increase since 2014 from from 11.7% to 36.5% in 2018. It has been established that the vacancies exists, but the graduates lack the skills to match the jobs. Therefore, the aim of this paper was to identify the constructs and sub-constructs of employability skills that are needed to match Electrical Technology students with the labour market. The resaerch  design is a qualitative metthod involving document analysis and interview protocol of stakeholders in electrical technology. The stakehoders were the academics and the employers. The documents were analysed using frequency matrix table. While the interview of the stakeholders (experts) were done thematically. To ensure the reliability of the constructs and sub-constructs, an item pool was constructed to determine the agreement and content reliability index for the constructs. From the item pool, 5 constructs and 193 sub-constructs were generated. These were constructed into instrument for expert review. Three experts in electrical technology rated the instrument for determining the aggreement level, using the Fleiss kappa approach. The percent agreement for the raters are 89.63%, 86.01%, and 81.86% respectively with a mean agreement of 85.83%. The 85.83% indicate an almost perfect agreement by the experts for each of the constructs in the instrument. This is very good for producing a functional framework of employability skills.
Analysis the Influence of Integration PKM-P, PKM-KC and PKM-T in Subjects Writing Techniques and Presentation on the Execution Time of the Final Project in Mechanical Engineering Diponegoro University Norman Iskandar; Rifky Ismail; Friady Gumilar
International Journal of Engineering Education Vol 1, No 1 (2019)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (724.522 KB) | DOI: 10.14710/ijee.1.1.24-30

Abstract

This research is motivated by the study period of Mechanical Engineering students in UNDIP that is still quite long, more specifically dealing with the execution time of the Final Project (FP) that still quite long compared to the average in other departments in the Faculty of Engineering of Diponegoro University. Students can take the FP if it has to pass at least 115 credits from total of 144 credits, and with a GPA above 2.25. Final project is a compulsory subject in 7th semester, but most of the students can pick them up in 8th to 10th semester. The final task takes time because nearly three months is required to be able to get a topic and a supervisor, the details of which one month process of signing up to the FP coordinator and the distribution of students into groups of KBK (there are four  KBK), one month distribution process in the KBK to determine the FP lecturers and one month for the initial interaction with the FP lecturers. Problems in the FP including the theme / topic of the final project, the cost and process of making proposals, and the final report. The objectives of this research is to build synergies between the Writing Techniques and Presentation subject in the 6th semester with the FP subject in the 8th semester by using the momentum of  PKM in the 7th semester. This study also aims to improve the quality of the final project, such as issues related time on KBK election, election supervisor FP, FP election topics, funding for FP workmanship as well as shortening the time to write a proposal and the final report. It is expected to shorten the FP program and the study period. This research is a class act. The planned action is integrating PKM in lectures Writing and Presentation Techniques in 6th semester. The planned action is integrating PKM in Writing Techniques and Presentation lectures in 6th semester. The planned action is integrating PKM in Writing Techniques and Presentation lectures in 6th semester. So that the output of the lectures  of writing and presentation technique is to make a FP proposal to level ready for seminar and convert FP proposal into PKM until ready submitted to DIKTI. Subjects were students of S1 Mechanical Engineering UNDIP in the 6th semester. The research objects is Writing techniques and Presentation lectures. Stages of research include: preparation, planning, action, reflection. From the results of the study with a sample of students as many as 33 people showed for the evaluation of short-term target success rate of 80% PKM proposal ready to submit and FP proposals  ready for a seminar, the achievements obtained was 100% of students have successfully made a proposal FP and PKM with the guidance of lecturer KBK selected. From all proposals PKM and FP that have been made, as many as 10 titles PKM proposal meets the standards to be sent to the DIKTI  and as many as 17 titles FP proposal is a direct recommendation from lecturers.

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