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INDONESIA
Indonesian Journal of Electrical Engineering and Computer Science
Published by Institute of Advanced Engineering and Science
ISSN : 25024752     EISSN : 25024760     DOI : -
Core Subject :
Arjuna Subject : -
Articles 48 Documents
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Search results for , issue "Vol 9, No 1: January 2018" : 48 Documents clear
Data Spread among Vehicular Networks with Minimal Cost and Privacy Atul Kulkarni; Debajyoti Mukhopadhyay
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp111-114

Abstract

Currently, choosing a node to carry the files via network is inefficient due to multiple end-users are requesting for packets at the same time. The problem is to identify the shortest path, traffic cost is high, and hackers enter the network to access the file. Whenever user requesting for packets to service provider, it has been carried out via router to provide security and effective way of transmission without any hackers. We proposed a VAN router that manages the transmission process. Once the packet enters router follows: (i) identifies the shortest path to transmit the packets, (ii) analyze the migration cost, (iii) when a hacker enters the network, the details of the hacker is send to the GPS to identify hackers location, (iv) provides the user requested packets back to the user without any modification. GPS work is to identify the hacker location in which node they are trying to access the files and that information has been sent to the user where hacker enters the network. Each packet sent by the service provider via router to end-user, the router intimates service provider with a confirmation message. Finally, VAN router provides security to the end-user by avoiding hackers to access the file and minimizes traffic cost, finds shortest path.
Investigating Thermal Comfort for the Classroom Environment using IoT Nurshahrily Idura Ramli; Mohd Izani Mohamed Rawi; Ahmad Zahid Hijazi; Abdullah Hayyan Kunji Mohammed
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp157-163

Abstract

In this modern century where fine comfort is a necessity especially in buildings and occupied space, the study to satisfy one aspect of human comfort is a must. This study encompasses of exploring the physiological and environmental factors in achieving thermal comfort which specifically considering the clothing insulation and metabolic rate of students as well as the deployment of dry-bulb temperature, mean radiant temperature, humidity, and air movement in order to obtain the level of comfort students are experiencing in class. The level of comfort are detected by using ASHRAE 55 to determine the average thermal sensation response through the Predicted Mean Vote (PMV) value. An android application were developed to read input of recognizing clothing level (thickness of clothing) and capturing metabolic rate to cater the inputs for physiological factors, while radiant temperature, humidity and air movement are captured through static sensors set up in the classroom space. This paper analyses both the physiological and environmental factors in affecting students in class and further determine their comfort levels that is a major influencing factor of focus in learning. Through cross referencing collected data from IoT enabled nodes, it is found that both physiological and environmental factors, and the combination of them greatly influence in getting the most comfortable state with PMV value of 0.
A Smart Method for Monitoring and Scheming Of Road Luminosity Using GSM Equipment Ravichandran G; Krishnamurthy M
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp36-38

Abstract

In our modern life, energy wastage in Streetlight is a big problem faced in walkways and roads during dawn and dusk. These days, the present road light structures are wired which are hard to make and has poor adaptability. During the daytime, the battery gets charged by sun rays, and the energy can be used to power the road lights at night time. The structure regards sun situated cell foundation. It is like manner delineates the usage of remote sensor frameworks using GSM for streetlight checking and control. This system would give remote access to streetlight upkeep and monitoring. It likewise talks about a perceptive framework that takes programmed choices for sparkling control (ON/OFF/DIMMING) considering encompassing light power and time both at a similar minute. The data collected from the sensor is given to the microcontroller of one unit, and at the same time, the SMS is sent through GSM to the Raspberry PI microcontroller to monitor and control the street light.
An Impact of ZigBee Technology in Data Communication System Dhanya. T
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp64-67

Abstract

ZigBee is an IEEE 802.15.4 standard for information interchanges with business and purchaser gadgets. It is composed around low-control utilization permitting batteries to keep going forever. The ZigBee standard gives system, security, and application bolster administrations working on top of the IEEE 802.15.4 Medium Access Control (MAC) and Physical Layer (PHY) remote standard. It utilizes a suite of innovations to empower adaptable, self-arranging, self-mending systems that can oversee different information movement designs. ZigBee is an ease, low-control, remote lattice organizing standard. The ease permits the innovation to be broadly sent in remote control and observing applications, the low power-use permits longer an existence with little batteries, and the cross-section systems administration gives high dependability and bigger range.ZigBee has been created to take care of the developing demand for able remote systems administration between various low power. In industry ZigBee is being utilized for cutting-edge robotized assembling, with little transmitters in each gadget on the floor, taking into consideration correspondence between devices to a focal PC. This new level of communication allows finely-tuned remote observing and control.
Natural Dyes from Roselle Flower as a Sensitizer in Dye-Sensitized Solar Cell (DSSC) Dayang Suriani; Muhammad Irwanto Misrun; Gomesh Nair; Baharuddin Ismail
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp191-197

Abstract

Hibiscus Sabdariffa L. well known as Roselle flower was used as sensitizers for Dye-Sensitized Solar Cell (DSSC). The dyes were extracted using distilled water (DI) and ethanol (E) extract solvent in an ultrasonic cleaner for 30 minutes with a frequency of 37 Hz by using ‘degas’ mode at the temperature of 30°. Doctor blade method was applied in the fabrication of titanium dioxide (TiO2) on ITO glass. Absorption spectra of Roselle dye with different extract solvent were tested using Evolution 201 UV-Vis Spectrophotometer. Fourier-Transform Infrared (FTIR) was used to identify the functional active group in extract dye. Based on FTIR result, the broad absorption at peak 2889 cm-1, 2976 cm-1, and 3366 cm-1 attributed to the O-H stretching which is the presence of hydroxyl group. The use Field Emission Scanning Electron Microscopy (FESEM) and Energy-Dispersive Spectroscopy (EDS) analysis are to characterize the surface morphology and element in the TiO2 thin film.
Development of Learning Tools using Maples for Engineering Mathematics Subject Norlenda Mohd Noor; Hanifah Sulaiman; Zuraida Alwadood; Suhaila Abd Halim; Nurul Filzah Syamimi Wahid; Nor Adilah Ab Halim
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp131-138

Abstract

Mathematics is one of the basic and core subject for engineering students. Learning mathematics helps in developing problem solving skills as the subject requires critical thinking. However, many students perceive mathematics as a difficult subject and eventually get poor result for the subject. In the institution under study, there were increases in failure rate for the subject for the past few semesters. Based on a preliminary study, it was found that 55 percent of engineering student claimed that they encountered difficulties in visualizing functions in 3-dimensional space, which is the main content for engineering calculus subject. This fact is very unsatisfactory as engineering students are expected to possess strong mathematical problem solving skills. In light of this, the objective of this research is to develop an interactive teaching and learning tools, so as to assist students in visualizing 3-dimensional space functions. The tool is intended to be used in teaching and learning process in classrooms and it is expected that the students’ understanding in the subject could be improved.
A Photo Voltaic Source Fed Novel Boosting Switched Z-Source Multilevel Inverter Sinu KJ; G. Ranganathan
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp20-23

Abstract

This paper presents a new switched z-source multilevel inverter powered from a photovoltaic source. Addition of a power electronic switch in conventional z-source network provides excellent voltage boosting capability with moderate power rating which makes it suitable for low voltage photo voltaic applications. Proposed topology consists of single dc source, six power switches, two diodes, four capacitors and two inductors comparing to conventional five level schemes proposed topology contains less number of switches and passive elements. This scheme produces voltage waveform with lesser harmonics and shows lesser THD percentage by using different modulation index of multi carrier level shifted PWM technique. Proposed switched z-source multilevel inverter is implemented using MATLAB software and results are presented to verify merits of the scheme. 
Audio Denoising Based on Short Time Fourier Transform J. S. Ashwin; N. Manoharan
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp89-92

Abstract

This paper presents a novel audio de-noising scheme in a given speech signal. The recovery of original from the communication channel without any noise is a difficult task. Many de-noising techniques have been proposed for the removal of noises from a digital signal. In this paper, an audio de-noising technique based on Short Time Fourier Transform (STFT) is implemented. The proposed architecture uses a novel approach to estimate environmental noise from speech adaptively. Here original speech signals are given as input signal. Using AWGN, noises are added to the signal. Then noised signals are de-noised using STFT techniques. Finally Signal to Noise Ratio (SNR), Peak Signal to Noise Ratio (PSNR) values for noised and de-noised signals are obtained.
Analysis on Modified Fuzzy Logic Toolbox for Marine Navigation Applications P. Palanichamy
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp73-76

Abstract

Programmed marine navigation and control is a vital piece of savvy vehicle control framework. It incorporates course keeping, and the course is evolving. Its primary design is to guarantee that boats cruise in the provided guidance consequently disregarding changes in ocean conditions, wind and different, unsettling influences. Fuzzy control is the verifiable truth that Fuzzy rationale frameworks require no exact scientific models of the framework under control. Expansion rationale, given expansion set, is to explore the different issue. The blend of development hypothesis and control theory brought another sort of wise control augmentation control. This paper presents Fuzzy augmentation control strategy for marine directing. The paper set up the model of Fuzzy augmentation control framework and concentrated the outline of Fuzzy augmentation controller. Recreation comes about show that the control strategy is profitable.
Improving Medical Adherence using Smart Medicine Cabinet Monitoring System S. A. Ishak; H. Zainol Abidin; M. Muhamad
Indonesian Journal of Electrical Engineering and Computer Science Vol 9, No 1: January 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v9.i1.pp164-169

Abstract

Patients at home may forget to take their medicines on time, miss doses or even take overdoses. This particularly applies to the elderly at home. Hence, this paper presents a monitoring system to improve the medical adherence which is based on Internet of Things (IoT) concept known as smart medicine cabinet monitoring system.  The system is proposed to remind the elderly to take their medicines on time, to ensure that the elderly have taken their medicines and to notify the family member of the elderly about their medication intake. This paper presents a method of monitoring the medication intake of the elderly which is based on IoT concept to display the data on the web database. The system uses an Arduino microcontroller, a toggle switch, LCD Display, limit switch, alarm system and a Wi-Fi module. The developed system is seen to be another alternative that would help the elderly especially who are living alone for their medication adherence to home-based treatment.

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