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Multiple watermarking technique using optimal threshold

10.11591/ijeecs.v18.i1.pp368-376
Noruhida Alias , Ferda Ernawan
The multiple watermarking technique has drawn more attention due to high demand for embedding more than one copyright. This paper proposes a multiple watermarking scheme using DWT-SVD by utilizing HVS characteristics. Our scheme embeds multiple watermarks in red and blue colors. The proposed scheme examines the coefficients of U orthogonal matrix for embedding and extracting watermarks. Watermarks are scrambled by Arnold transform before embedded in the host image in order provide additional security. The optimal thresholds for red and blue colors are revealed by finding a trade-off between normalized-cross correlation and imperceptibility from quantization steps. The experimental results demonstrate that our scheme achieves high resistant under JPEG and JPEG2000 compression for both inserted watermarks. 
Volume: 18
Issue: 1
Page: 368-376
Publish at: 2020-04-01

Electron swarm parameters of SF6 under time varying electric fields

10.11591/ijape.v9.i1.pp6-11
A. Settaouti
The electron swarm parameters in gases are necessary for the simulations of plasma processes. The sulfur hexafluoride (SF6) has enormous applications suitability, because of its excellent dielectric properties, it is a gas used extensively as an insulating gas in various electric devices. Consequently, we must dedicate a significant attention to studying the physical properties of this gas. An investigation has brought into effect on the electron swarms parameters in SF6 gas in time varying electric fields using a Monte Carlo simulation. Swarm parameters as a function of instantaneous E/N (E is the electric field and N the gas number density of background gas molecules) for different dE/dt are determined.
Volume: 9
Issue: 1
Page: 6-11
Publish at: 2020-04-01

Augmentation of a SCADA based firewall against foreign hacking devices

10.11591/ijece.v10i2.pp1359-1366
Abhishek Mungekar , Yashraj Solanki , R. Swarnalatha
An Industrial firewall is a system used to supervise and regulate traffic to and from a network for the purpose of securing appliances on a network. It analyzes the data passing through it to an already defined surveillance criteria or protocols, discarding data that does not meet the protocol’s requirements. In effect, it is a filter preventing undesirable network traffic and selectively limiting the type of transmission that occurs between a secured transmission line. In this research paper a SCADA based Firewall is implemented for protection of the data transmission to a PLC, against external hacking devices. This firewall is virtually exposed to several external hackers and the degree of vulnerability is carefully studied, in order to develop an ideal Firewall.
Volume: 10
Issue: 2
Page: 1359-1366
Publish at: 2020-04-01

Renewable energy production based on solar power and magnetic field prototype in Bangladesh

10.11591/ijape.v9.i1.pp29-35
Ohirul Qays , Farhana Yasmin
Though modern technology of new era is mostly dependent on power sector entirely, the current energy scenario is showing a serious negative effect for the last few decades. Comparatively, Bangladesh is facing a precarious effect because of the scarcity of fossil-fuel dissipation. To accomplish the power demand resolution, a new type of power generation is proposed in this research paper. Magnetic flux and solar irradiation is combined to get maximum power outcome. The PV panel supplies the maximum power in the peak solar radiation and terminates the energy stream at night time. However, the floating generator can supply its maximum creation day or night time according to the movement of water wave tendency. For this reason, a PV-floating Generator based integrated renewable energy scheme is inspected in this venture. The experimental result shows its real-world validation (Maximum 14.5 Watt output) comparing to conventional methods.
Volume: 9
Issue: 1
Page: 29-35
Publish at: 2020-04-01

Distribution power system reconfiguration using whale optimization algorithm

10.11591/ijape.v9.i1.pp48-57
Mahmoud Soliman , Almoataz Y. Abdelaziz , Rabab M. El-Hassani
This study discusses how to enhance the power distribution system and one of the most important ways to do that is by reconfiguration of the power system. Reconfiguration means changing the topology of the radial distribution network by changing the status of switches. The objective is to minimize the total power loss and enhance the voltage profile. Many optimization techniques were used to solve this problem such as classical optimization which is proven to be time consuming method and heuristic methods which are more efficient in our problem here. In this paper, the whale optimization algorithm (WOA) which is one of the modern heuristic optimization techniques and it has high efficiency to solve discrete optimization problems, is used to get the optimum case in reconfiguration problem. WOA is applied to (33 bus system, 69 bus system, and 118 bus system) and results are compared to other heuristic methods.
Volume: 9
Issue: 1
Page: 48-57
Publish at: 2020-04-01

Partition of spaces based algorithm for reduction of real power loss

10.11591/ijape.v9.i1.pp1-5
Kanagasabai Lenin
In this work partition of spaces algorithm is proposed to solve optimal reactive power problem. In this algorithm, for finding the finest outcome based on the concentration of elevated quality and capable points in specific area is considered. State space area are identified and divided into subspaces iteratively and search has been made more comprehensively. Performance of the proposed partition of spaces algorithm is evaluated in standard IEEE 118,300 bus systems and simulated outcome gives better results. Real power loss has been considerably reduced.
Volume: 9
Issue: 1
Page: 1-5
Publish at: 2020-04-01

Comparison study between seven-level SVPWM and two-level SVPWM strategy in direct vector control of a DFIG-based wind energy conversion systems

10.11591/ijape.v9.i1.pp12-21
Habib Benbouhenni
In this paper, we present a comparative study between two-level space vector pulse width modulation (SVPWM) and seven-level SVPWM strategy in direct vector control (DVC) of a doubly fed induction generator (DFIG) based wind energy conversion systems (WECSs). The feasibility and effectiveness of the two strategies are demonstrated by simulation results. The obtained results showed that, the proposed DVC strategy with Seven-level SVPWM technique have stator and rotor current with low harmonic distortion and low active and reactive powers ripples than two-level SVPWM strategy.
Volume: 9
Issue: 1
Page: 12-21
Publish at: 2020-04-01

Robust control of a UPFC system with H~ control technique

10.11591/ijeecs.v18.i1.pp533-543
Maamar Benyamina , Mohamed Bouhamida , Tayeb Allaoui , Rachid Taleb , Mouloud Denai
FACTS (Flexible AC Transmission Systems) technology has now been accepted as a potential solution to the stability problem and load flow. The Unified Power Flow Controller (UPFC) is considered to be the most powerful and versatile among all FACTS devices.  This paper presents the control of a UPFC system using Hinf robust control technique. A simulation study using Matlab/Simulink is presented to the performance of this control strategy and the robustness with respect to variations of the system parameters such as the inductance of the transmission line.
Volume: 18
Issue: 1
Page: 533-543
Publish at: 2020-04-01

ANFIS-sliding mode control of a DFIG supplied by a two-level SVPWM technique for wind energy conversion system

10.11591/ijape.v9.i1.pp36-47
Habib Benbouhenni
A modified adaptive neuro-fuzzy inference system sliding mode control (ANFIS-SMC) by using two-level space vector pulse width modulation (SVPWM) for doubly fed induction generator (DFIG) is proposed in this article. ANFIS-SMC with SVPWM strategy improves the basic SMC performances, which features low stator active and reactive power and also minimize the total distortion harmonic (THD) of stator current. The computer simulation results, in Matlab, demonstrate the effectiveness of the proposed control strategy which improves the performance of the DFIG.
Volume: 9
Issue: 1
Page: 36-47
Publish at: 2020-04-01

Foreground algorithms for detection and extraction of an object in multimedia

10.11591/ijece.v10i2.pp1849-1858
Rekha V. , Natarajan K. , Innila Rose J.
Background Subtraction of a foreground object in multimedia is one of the major preprocessing steps involved in many vision-based applications. The main logic for detecting moving objects from the video is difference of the current frame and a reference frame which is called “background image” and this method is known as frame differencing method. Background Subtraction is widely used for real-time motion gesture recognition to be used in gesture enabled items like vehicles or automated gadgets. It is also used in content-based video coding, traffic monitoring, object tracking, digital forensics and human-computer interaction. Now-a-days due to advent in technology it is noticed that most of the conferences, meetings and interviews are done on video calls. It’s quite obvious that a conference room like atmosphere is not always readily available at any point of time. To eradicate this issue, an efficient algorithm for foreground extraction in a multimedia on video calls is very much needed. This paper is not to just build Background Subtraction application for Mobile Platform but to optimize the existing OpenCV algorithm to work on limited resources on mobile platform without reducing the performance. In this paper, comparison of various foreground detection, extraction and feature detection algorithms are done on mobile platform using OpenCV. The set of experiments were conducted to appraise the efficiency of each algorithm over the other. The overall performances of these algorithms were compared on the basis of execution time, resolution and resources required.
Volume: 10
Issue: 2
Page: 1849-1858
Publish at: 2020-04-01

Wind energy resource assessment of desert sites in Algeria: energy and reduction of CO2 emissions

10.11591/ijape.v9.i1.pp22-28
Miloud Benmedjahed , Rachid Maouedj , Samir Mouhadjer
This paper presents a statistical analysis of wind potential of four locations in southern Algeria, namely Adrar, In Salah, Illizi and Tamanrasset, using the Weibull distribution. The evaluation the energy production by the CALORIUS 37 wind turbine taking into account the meteorological (wind and temperature and geographical (latitude, longitude and altitude) datas of these locations. The data were collected every 3 hours over 5 years and used to estimate of the annual energy produced, in order to determine the amount of three types of fossil energy (natural gas, gasoil and gasoline) preserved and the quantities of CO2 that can be avoided. The shape parameter k, varies from 2.0 (Illizi and Tamanrasset) to 2.48 (In Salah), this means that all the distributions are stable, while the scale parameters C varies from 4.6 m/s (Illizi) to 6.3 m/s (In Salah) and mean velocity v varies from 4.1 m/s (Illizi) to 5.5 m/s (Adrar), while the annual energy produced by CALORIUS 37 range from 4467.6 kWh (Illizi) to 8409.6 kWh (Adrar), the equivalent of energies range from 0.38 TEP (Illizi) to 0.72 TEP (Adrar) and the amount of carbon dioxide (CO2 ) that we can provide varies from 0.90 TE-CO2 (natural gas power plant in Illizi ) to 2.24 TE-CO2 (gasoil power plant in Adrar).
Volume: 9
Issue: 1
Page: 22-28
Publish at: 2020-04-01

Simulation and experimental validation of single-phase series active power filter using PI and backstepping nonlinear controllers

10.11591/ijape.v9.i1.pp78-88
Abdallah Ben Abdelkader , Othmane Abdelkhalek , Mohammed Amine Soumeur , Oussama Hafsi , Abdeselem Chakar
Nowadays, power distribution networks are focus mainly on power quality issues. Among the power disturbances, sag, swell and voltage harmonics are studied and deliberated in this research paper. These problems have negative impacts especially on the sensitive load, which have to be protected and secured against these problems. Therefore, to solve such disturbances, the series active power filter (SAPF) can be an efficient solution, which is used to compensate the voltage difference and to reduce the problem’s effects on the power system. In this paper, the SAPF is simulated and experimentally validated, where two control methods are used to control the applied disturbances; which are classical proportional integral PI and nonlinear backstepping controllers. The control structure of the SAPF aims to reduce the error of the injection voltage closed loop, in addition to reduce the total harmonic distortion (THD) values below 5% and within the specified ranges of the international IEEE-519 standard. From simulation results, the backstepping nonlinear controller has reacted more robustly and efficiently than the conventional PI controller.
Volume: 9
Issue: 1
Page: 78-88
Publish at: 2020-04-01

Identification of language in a cross linguistic environment

10.11591/ijeecs.v18.i1.pp544-548
Merin Thomas , Dr Latha c A , Antony Puthussery
World has become very small due to software internationationalism. Applications of machine translations are increasing day by day. Using multiple languages in the social media text is an developing trend. .Availability of   fonts in the native language enhanced the usage of native text in internet communications. Usage of   transliterations of language   has become quite common. In Indian scenario current generations are   familiar to talk in native language but not to read and write in the native language, hence they started using English representation of native language in textual messages. This paper describes the   identification of the transliterated text in cross lingual environment .In this paper a Neural network model   identifies the prominent language in the text and hence the same can be used to identify the meaning of the text in the concerned language. The model is based upon Recurrent Neural Networks that found to be the most efficient in machine translations. Language identification can serve as a base for many applications in multi linguistic environment. Currently the South Indian Languages Malayalam, Tamil are identified from given text. An algorithmic approach of Stop words based model is depicted in this paper. Model can be also enhanced to address all the Indian Languages that are in use.
Volume: 18
Issue: 1
Page: 544-548
Publish at: 2020-04-01

MILA: Low-cost BCI framework for acquiring EEG data with IoT

10.12928/telkomnika.v18i2.14884
Rolly Maulana; Politeknik Pos Indonesia Awangga , Syafrial Fachri; Politeknik Pos Indonesia Pane , Dzikri Ahmad; Politeknik Pos Indonesia Ghifari , Tri; Politeknik Pos Indonesia Angga Dio Simamora , Mochamad Yusuf; Universitas Islam Indonesia Asyhari
The brain is a vital organ in the human body that acts as the center of the human nervous system. Brain-computer interface (BCI) uses electroencephalography (EEG) signals as information on brain activity. Hospitals usually use EEG as a diagnosis of brain disease. Combining EEG as part of IoT (Internet of Things) with high mobility is challenging research. This research tries to make a low-cost BCI framework for motorcycle riders. Analysis of brain activity from EEG data when motorcycle riders turn left or turn right. Therefore, the method of further installation must produce the right features to obtain precise and accurate brainwave characteristics from EEG signals. This research uses the concept of IoT with software engineering to recording human brain waves so that it becomes a practical device for the wearer. The purpose of this study is to create a low-cost BCI framework for obtaining EEG data.
Volume: 18
Issue: 2
Page: 846-852
Publish at: 2020-04-01

Influence of annealing temperature on the sensitivity of nickel oxide nanosheet films in humidity sensing applications

10.11591/ijeecs.v18.i1.pp284-292
N. Parimon , M. H. Mamat , A. S. Ismail , I. B. Shameem Banu , M. K. Ahmad , A. B. Suriani , M. Rusop
Nickel oxide (NiO) nanosheet films were successfully grown onto NiO seed-coated glass substrates at different annealing temperatures for humidity sensing applications. NiO seed layers and NiO nanosheet films were prepared using a sol-gel spin coating and sonicated sol-gel immersion techniques, respectively. The properties of NiO nanosheet films at as-deposited, 300 ℃, and 500 ℃-annealed were examined by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), ultraviolet-visible (UV-vis) spectroscopy, and humidity sensor measurement system. The XRD patterns demonstrate that the grown NiO films have crystalline cubic structures at temperature of 300 ℃ and 500 ℃. The FESEM images show that the large porous nanosheet network spread over the layers as the annealing temperature increased. The UV-vis spectra revealed that all the nanosheet films have the average transmittance below than 50% in the visible region, with absorption edges ~ 350 nm. The optical band gap energy was evaluated in ranges of 3.39 to 3.61 eV. From the obtained humidity sensing results, it shows that 500 ℃-annealed film exhibited the best sensitivity of 257, as well as the slowest response time, and the fastest recovery time compared with others.
Volume: 18
Issue: 1
Page: 284-292
Publish at: 2020-04-01
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