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All Journal International Journal of Electrical and Computer Engineering TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Bulletin of Electrical Engineering and Informatics Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Computer Science

Mira Kartiwi

International Islamic University Malaysia

Author-ID : 2372860

Computer Science & IT Electrical & Electronics Engineering Engineering

Published : 32 Documents Claim Missing Document

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Performance Evaluation of Smart Home System using Internet of Things Teddy Surya Gunawan; Intan Rahmithul Husna Yaldi; Mira Kartiwi; Hasmah Mansor
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 1: February 2018
Publisher : Institute of Advanced Engineering and Science

Nowadays, many researches have been conducted on smart home. Smart home control system (SHCS) can be integrated into an existing home appliances to reduce the need for human intervention, increase security and energy efficiency. We have proposed a smart home system using internet of things and four types of sensors, including PIR, temperature, ultrasonic, and smoke gas sensor for automatic environmental control and intrustion detection. In this paper, the performance of the previously developed prototype of smart home system will be evaluated. First, experiments on various sensors will be conducted. Next, the communicaton channel using wireless and Ethernet modules will be discussed. Moreover, the overall SHCS will be evaluated in terms of hardware and software performance. Additionaly, solar charger enhances the availability of our prototype system. Results showed the effectiveness of our proposed smart home system in the prototype and real life experiments.

Measurement of Information System Project Success Based on Perceptions of the Internal Stakeholders A'ang Subiyakto; Abd. Rahman Ahlan; Mira Kartiwi; Husni Teja Sukmana
International Journal of Electrical and Computer Engineering (IJECE) Vol 5, No 2: April 2015
Publisher : Institute of Advanced Engineering and Science

In this research, adoption of the DeLone and McLean (D&M) information system (IS) success model and its adaptation with the project success theories were used to explore state of IS project success and to examine factors which affect its success. A survey towards the internal project stakeholder in an univerity with response rate 48% was carried out to collect the raw data for Partial Least Squares Structural Equation Modeling (PLS-SEM) analysis. Majority of the participants (80.7%) stated that level of the project success is more than 50% where information quality, system quality, service quality, system use, and user satisfaction substantially explain 64.5% of variance in the success variable. The three quality factors together explain 43.2% of the variance of system use and 70.4% of the variance of user satisfaction. Although, a number of the findings were consistent with the prior studies, these findings also presented inconsistencies especially related to aspects of information quality and system use. Accordingly, researchers and practitioners will be stand to benefit from the information provided in this study and it is hoped that future research will build upon the findings reported herein as efforts are made to attain the IS project success especially in the sampled institution.

Sukuk Rating Prediction using Voting Ensemble Strategy Mira Kartiwi; Teddy Surya Gunawan; Tika Arundina; Mohd Azmi Omar
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 1: February 2018
Publisher : Institute of Advanced Engineering and Science

Islamic finance development has grown into a focal point in many countries accros the globe. Sukuk, in particular, an Islamic investment product that has received growing attention from sovereigns, multinational and national organizations from both developed and emerging economies. Its uses has been aimed to finance investments in a varieties of economic activities and development projects. Despite the promising look of Sukuk, currently there is lack of studies had been to examine and predict the rating of the Sukuk. As a result, many practitioners adopted the conventional bond hence ignore the fact that these two instruments are different in nature. In order to fill the gap in the literature, it is the aim of this research to develop an ensemble model that can be used to predict Sukuk rating. The effectiveness of the proposed models were evaluated using dataset on Sukuk issuance for domestic from 2006 to 2016. The results indicate that the overall performance of the ensemble model is fall short behind the i duction decision tree (IDT) model. However, the class precision of the ensemble model improved, particularly in predicting the lowest rating of Sukuk.

Design and Implementation of Portable Outdoor Air Quality Measurement System using Arduino Teddy Surya Gunawan; Yasmin Mahira Saiful Munir; Mira Kartiwi; Hasmah Mansor
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 1: February 2018
Publisher : Institute of Advanced Engineering and Science

Recently, there is increasing public awareness of the real time air quality due to air pollution can cause severe effects to human health and environments. The Air Pollutant Index (API) in Malaysia is measured by Department of Environment (DOE) using stationary and expensive monitoring station called Continuous Air Quality Monitoring stations (CAQMs) that are only placed in areas that have high population densities and high industrial activities. Moreover, Malaysia did not include particulate matter with the size of less than 2.5μm (PM2.5) in the API measurement system. In this paper, we present a cost effective and portable air quality measurement system using Arduino Uno microcontroller and four low cost sensors. This device allows people to measure API in any place they want. It is capable to measure the concentration of carbon monoxide (CO), ground level ozone (O3) and particulate matters (PM10 & PM2.5) in the air and convert the readings to API value. This system has been tested by comparing the API measured from this device to the current API measured by DOE at several locations. Based on the results from the experiment, this air quality measurement system is proved to be reliable and efficient.

Development of Quranic Reciter Identification System using MFCC and GMM Classifier Teddy Surya Gunawan; Nur Atikah Muhamat Saleh; Mira Kartiwi
International Journal of Electrical and Computer Engineering (IJECE) Vol 8, No 1: February 2018
Publisher : Institute of Advanced Engineering and Science

Nowadays, there are many beautiful recitation of Al-Quran available. Quranic recitation has its own characteristics, and the problem to identify the reciter is similar to the speaker recognition/identification problem. The objective of this paper is to develop Quran reciter identification system using Mel-frequency Cepstral Coefficient (MFCC) and Gaussian Mixture Model (GMM). In this paper, a database of five Quranic reciters is developed and used in training and testing phases. We carefully randomized the database from various surah in the Quran so that the proposed system will not prone to the recited verses but only to the reciter. Around 15 Quranic audio samples from 5 reciters were collected and randomized, in which 10 samples were used for training the GMM and 5 samples were used for testing. Results showed that our proposed system has 100% recognition rate for the five reciters tested. Even when tested with unknown samples, the proposed system is able to reject it.

Co-Authors A'ang Subiyakto Abd. Rahman Ahlan Abd. Rahman Ahlan Rahman Ahlan Ali Rfieda Amart Sulong Aries Susanto Arselan Ashraf A’ang Subiyakto Subiyakto Bob Subhan Riza Ditha Septiandani Edy Victor Haryanto, Edy Victor Eliathamby Ambikairajah Elsheikh M.A. Elsheikh Erwin Sulaemen Evy Nurmiati Farah Diyana Abdul Rahman Fathiah Abdul Muin Hasmah Mansor Huda, Muhammad Qomarul Husni Teja Sukmana Intan Rahmithul Husna Yaldi Malik Arman Morshidi Mimi Aminah binti Wan Nordin Mohd Azmi Omar Muhamad Hadzir Anuar Muhammad Fahreza Alghifari Muhammad Farhan Mohd Pu’ad Muhammad Hamdan Hasan Gani Muhammad Kasim Lim Muhammad Kassim Lim Muharman Lubis Nanang Ismail Nashrul Hakiem Noreha Abdul Malik Nur Atikah Muhamat Saleh Nurul Fariza Zulkurnain Nurul Shaieda Solihin Othman O. Khalifa Rika Rosnelly Sonny Zulhuda Syed Asif Ahmad Qadri Syopiansyah Jaya Putra Teddy Surya Gunawan Teddy Surya Gunawan Tika Arundina Wan Athereah Yahya Yasmin Mahira Saiful Munir Yusuf Abdurachman Zuriati Janin

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Journal : International Journal of Electrical and Computer Engineering