Claim Missing Document
Check
Articles

Found 7 Documents
Search

MARKER QUALITY IMPROVEMENT IN AUGMENTED REALITY USING GREY-SCALE METHOD Dahliyusmanto; Omar, Mohd Nizam; Anggara, Devi Willieam; Hamdani, Eddy; Anto, Budhi; Isnaini, Zuli Laili
International Journal of Electrical, Energy and Power System Engineering Vol. 2 No. 1 (2019): International Journal of Electrical, Energy and Power System Engineering (IJEEP
Publisher : Electrical Engineering Department, Faculty of Engineering, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (686.399 KB) | DOI: 10.31258/ijeepse.2.1.15-21

Abstract

Augmented Reality (AR) is a technology which combines the real world and virtual world, where users can feel the interaction between the two worlds. Marker Augmented reality or known as marker-based tracking technique uses a marker as media to display this technology. The marker is used as an object that contains images with unique patterns to identify each different object. Because it has a unique pattern, not any objects can be used as a marker. In Vuforia SDK, image recognition is done using a grayscale technique to search for angular features of the pixel image. If the image was taken directly using the camera in the old times in the form of Black and White (BNW), it has bad quality and most likely cannot be used as a marker because it has a few features. In BNW images taken directly from the camera, the Vuforia SDK detects only a few features in the image. This journal explains how the technique of making a BNW image into a marker can be detected by Augmented Reality Technology.
THE PROPERTIES OF NITROGEN GAS BREAKDOWN VOLTAGE UNDER DIRECT CURRENT POSITIVE POLARITY Murdiya, Fri; Firdaus; Pardede, Tumpal; Hamdani, Eddy
International Journal of Electrical, Energy and Power System Engineering Vol. 2 No. 2 (2019): International Journal of Electrical, Energy and Power System Engineering (IJEEP
Publisher : Electrical Engineering Department, Faculty of Engineering, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (321.408 KB) | DOI: 10.31258/ijeepse.2.2.7-10

Abstract

The type of insulation gases that are usually used in the power circuit breaker (circuit breaker) is the sulfur hexafluoride (SF6) gas, nitrogen (N2) and carbon dioxide (CO2). Most of the electric power systems are using insulating materials such as sulfur hexafluoride (SF6). Sulfur hexafluoride gas (SF6) has a higher dielectric strength than the air. However, Sulfur hexafluoride (SF6) gas is not friendly environmentally and very impact on global warming. The purpose of this study was to test the breakdown voltage of nitrogen gas (N2) (more friendly environmental) as alternative insulation of sulfur hexafluoride (SF6) gas. This study was used sphere and needle electrodes with a distance of 0.5-2 cm and a pressure of 1-4 bar; it was tested for 20 times. From the test results, it obtained that the breakdown voltage of sphere electrodes is more significant than the needle electrodes. Sphere and needle electrodes with a distance of 2 cm and a pressure of 4 bar have a most excellent value of breakdown voltage at the voltage of 140 kV and 79 kV, respectively.
Evaluasi Sistem Proteksi Petir Pada Tower Pt. Sampoerna Telekomunikasi Indonesia (Ceria) Pekanbaru Putri, Febriani Syafran; Hamdani, Eddy
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 1 (2017): Wisuda Februari Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Lightning occurs because there is a difference of potential between the cloud and the earth or by other clouds. Lightning caused a lot of harm to people and damage to the equipment. Some places with the high rate of lightning strikes (frequency and intensity) of being the first priority in the use of the installation of lightning protection. Tropical countries like Indonesia generally have a high lightning day each year, including in the area of Pekanbaru. This paper proposes to evaluate lightning protection system in PT. Sampoerna Telekomunikasi Indonesia (Ceria) Pekanbaru. Improvement of lightning protection system is made through a Rolling Sphere Method. The result of the data shows that the lightning protection system in PT. Sampoerna Telekomunikasi Indonesia (Ceria) Pekanbaru was already capable of protecting the Base Station Transceiver (BTS) from lightning strikes. This results is proven to indicate that lightning protect is improved.Keywords: lightning protection system, Rolling Sphere Method, lightning protection system in PT. Sampoerna Telekomunikasi Indonesia (Ceria) Pekanbaru
Analisa Pengaruh Sambaran Petir Pada Jaringan Distribusi 13,8 kV di BOB PT. BSP - Pertamina Hulu Bandar Pedada Menggunakan Software ATP-EMTP Syaifulloh, Rahmad Wahyudi; Hamdani, Eddy
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of this paper is to analize the effect of indirect lightning strikes on the 13.8 kV distribution network at BOB PT. BSP - Pertamina Hulu Bandar Pedada by using ATP-EMTP. Maximum induced voltage of indirect lightning is computed by using Rusck theory, then indirect lightning strikes are simulated by using ATP-EMTP. In this paper, five conditions are simulated. The first condition is the distribution line without the indirect lightning strikes with 15 kV lightning arresters and the ground wire is installed, the second condition is the indirect lightning strikes without the 15 kV lightning arresters and ground wire, the third condition is indirect lightning strikes with the ground wire is installed and without the 15 kV lightning arrester, the fourth condition is the indirect lightning strikes with 15 kV lightning arresters are installed and without the ground wire, and the fifth condition is the indirect lightning strikes with the 15 kV lightning arresters and ground wire is installed. The simulation results show that the ground wire is able to reduce the effect of the induced voltage from the indirect lightning strikes, the 15 kV lightning arresters are able to reduce the effect of the induced voltage from the indirect lightning strikes, and the best results are obtained when the ground wire and the 15 kV lightning arresters are installed on the distribution line.Keyword : Indirect lightning strikes, Rusck theory, lightning arresters, ground wire, medium voltage distribution line.
Kajian Perancangan Sistem Penangkal Petir Eksternal Pada Gedung Pusat Komputer Universitas Riau Mulyadi, Ujang; Ervianto, Edy; Hamdani, Eddy
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Pekanbaru City is a city located in an area that has a large enough lightning density is equal to 136 days per year with thunder, lightning strikes the ground density (Ng) reached 19.5128 strike/km2/year. Computer Center Building University of Riau is the center of Riau University data, built with a size of 47 m x 21 m x 12.4 m. In the design of the external lightning protection on buildings, there are some technical requirements that need to be considered such as; identifying the needs of a lightning protection system based PUIPP, determining the level of protection lightning protection system based on IEC 1024-1-1, finial selection, determination down conductor and grounding system. From the analysis of hazard assessment, which is an interesting area of 10395.41 m² lightning strike, the possibility of building struck by lightning strikes per year with 0,203 lightning protection system efficiency 0.507. Based on data and analysis can then be described in the protected areas of the Computer Center building good front, side, rear and top. The results obtained showed that the Computer Center building has a poor level of efficiency is based on the analysis of the rolling sphere method. Keywords : external lightning protection system
Identifikasi Kegagalan Peralatan Proteksi Pada Jaringan Distribusi PT. Pln Gardu Induk Garuda Sakti Menggunakan Anfis (Adaptive Neural Fuzzy Inference System) Juliana, Devi; Hamdani, Eddy; Ervianto, Edy
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of research is to identification process of faulty protection devices using operating status of circuit breaker. Technique used for the identification process is Adaptive Neuro-Fuzzy Inference System (ANFIS). ANFIS is a method that combines fuzzy logic and neural network. Design ANFIS needs input data in form of voltage, current and operating status of circuit breaker (1 and 0) for training process. Input data produces by output of distribution system simulation in ETAP, meanwhile operating status of circuit breakers in binary numbers, one and zeros are interpreted as operating and non-operating devices, respectively. The training result gives worth accuracy so that can be use for predicting operating status of circuit breaker. If faulty device has been identified so system restoration can be done immediately.Keywords: ANFIS; distribution system; faulty protection devices; circuit breaker
Koordinasi Rele Pada Jaringan Transmisi 150 kV Azmi, Anharul; Hamdani, Eddy
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Power transmission system is of one component in the supply of electricity. Then it takes one of transmission system good. To maintain of transmission system good needed protection system accordance with the requirements of protection . protection system functioning of to localize disturbance as small as possible . protection system of transmission normally using of distance relay and OCR-GFR relay. distance relay serves as a main security and OCR-GFR for as backup. calculation of short circuit and relay coordination using digsilent program 14.1.3. based on the results of calculations and simulations showed that the distance relay coordination is good and necessary for resetting the relay OCR-GFR due to changes in short circuit.Keywords: transmission, coordination, distance relay, ocr-gfr relay, ETAP