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27,404 Article Results

Induction Motors Stator Fault Analysis based on Artificial Intelligence

10.11591/ijeecs.v2.i1.pp69-78
Hussein Taha Hussein , Mohamed Ammar , Mohamed Moustafa Hassan
This article presents a method for fault detection and diagnosis of stator inter-turn short circuit in three phase induction machines. The technique is based on the stator current and modelling in the dq frame using an Adaptive Neuro-Fuzzy artificial intelligence approach. The developed fault analysis method is illustrated using MATLAB simulations. The obtained results are promising based on the new fault detection approach.
Volume: 2
Issue: 1
Page: 69-78
Publish at: 2016-04-01

Soft Systems Methodology (SSM) as a Viable Methodology for Knowledge Engineering: A Literature Review

10.11591/ijict.v5i1.pp1-10
Franklyn Chukwunonso
This paper presents a baseline perspective of knowledge engineering (KE) methodologies by taking a critical look at the methodological approaches currently used in knowledge engineering domain. A literature review bordering on; the knowledge role concept, knowledge elicitation techniques, and ontological approaches employed in knowledge engineering for the construction of knowledge-based systems (KBSs) was carried out. Journal and conference articles were sourced from multiple journals and research databases and a multi-step manual cross-checking based on carefully selected extraction and quality criteria were employed. The findings of the study show that the existing methodological approaches employed for constructing KBSs in KE is highly deficient and inefficient for solving KE problems under dynamic and uncertain environments. The paper concludes by presenting a strong argument as to why soft systems methodology is best suited for constructing knowledge base systems (KBS) in a spatially distributed, unstructured and shared domain specific context.
Volume: 5
Issue: 1
Page: 1-10
Publish at: 2016-04-01

Nonlinear Dynamics Research between Drill Pipe and Coal Hole Wall during Gas Extraction Drilling

10.11591/ijeecs.v2.i1.pp215-220
Xiaoming Han , Chenxu Luo , Qiangqiang Zhang
This paper analyzes the impact of gas drainage borehole drilling rod vibration phenomena stability.Taking 100m hole depth in underground coal mine as an example, the dynamic simulation analysis of the underground gas drainage drilling rod was carried out by using the ANSYS finite element dynamic analysis module LS-DYNA method.According to the collision course between the drill pipe and the coal hole wall, the Lagrange algorithm is introduced to analyze the stress change of drill pipe in the collision course of 98mm, 108mm, 118mm and 128mm. The failure mechanism of drill pipe fatigue fracture and hole wall instability caused by the collision between drill pipe and coal hole is analyzed. The results show that the stress caused by the impact of drilling speed, drilling pressure and coal hole diameter is larger than that caused by the collision between drill pipe and coal wall.
Volume: 2
Issue: 1
Page: 215-220
Publish at: 2016-04-01

The Influence of Moisture and Temperature on the Behavior of Soil Resistivity in Earthing Design Using Finite Element Method

10.11591/ijeecs.v2.i1.pp11-22
Sajad Samadinasab , Farhad Namdari , Mohammad Bakhshipor
Protection of equipment, safety of persons and continuity of power supply are the main objectives of the grounding system. For its accurate design, it is essential to determine the potential distribution on the earth surface and the equivalent resistance of the system. The knowledge of such parameters allows checking the security offered by the grounding system when there is a failure in the power systems.A new method to design an earthing systems using Finite Element Method (FEM) is presented in this article.In this approach, the influence of the moisture and temperature on the behavior of soil resistivity are considered in EARTHING system DESIGN. The earthing system is considered to be a rod electrode and a plate type electrode buried vertically in the ground.The resistance of the system which is a very important factor in the design process is calculated using Finite Element Method. Finite Element Method is used to estimate the solution of the partial differential equation that governs the system behavior. COMSOL Multiphysics 4.4 which is one of the packages that work with the FEM is used as a tool in this design.Finally the values of the resistance obtained by COMSOL Multiphysics are compared with the proven analytical formula values for the ground resistance, in order to prove the work done with COMSOL Multiphysics.
Volume: 2
Issue: 1
Page: 11-22
Publish at: 2016-04-01

Challenges Over Two Semantic Repositories - OWLIM and AllegroGraph

10.11591/ijeecs.v2.i1.pp194-204
Paria Tajabor , Tara Raafat
The purpose of this research study is exploring two kind of semantic repositories with regards to various factors to find the best approaches that an artificial manager can use to produce ontology in a system based on their interaction, association and research. To this end, as the best way to evaluate each system and comparing with others is analysis, several benchmarking over these two repositories were examined. These two semantic repositories: OWLIM and AllegroGraph will be the main core of this study.  The general objective of this study is to be able to create an efficient and cost-effective manner reports which is required to support decision making in any large enterprise.
Volume: 2
Issue: 1
Page: 194-204
Publish at: 2016-04-01

Modified Predictive Control for a Class of Electro-Hydraulic Actuator

10.11591/ijece.v6i2.pp630-638
Abdulrahman A.A. Emhemed , Rosbi Bin Mamat , Ahmad ‘Athif Mohd Faudzi , Mohd Ridzuan Johary , Khairuddin Osman
Many model predictive control (MPC) algorithms have been proposed in the literature depending on the conditionality of the system matrix and the tuning control parameters. A modified predictive control method is proposed in this paper. The modified predictive method is based on the control matrix formulation combined with optimized move suppression coefficient. Poor dynamics and high nonlinearities are parts of the difficulties in the control of the Electro-Hydraulic Actuator (EHA) functions, which make the proposed matrix an attractive solution. The developed controller is designed based on simulation model of a position control EHA to reduce the overshoot of the system and to achieve better and smoother tracking. The performance of the designed controller achieved quick response and accurate behavior of the tracking compared to the previous study.
Volume: 6
Issue: 2
Page: 630-638
Publish at: 2016-04-01

Sufficient Authentication for Energy Consumption in Wireless Sensor Networks

10.11591/ijece.v6i2.pp735-742
Hema Gopinath Sukavasi , Lokesh Kanagala , Riaz Shaik
Given the understanding of the prospective WSN programs and because of source restrictions, key management emerges as a complicated problem for WSNs. One of the main issues when developing a key management scheme is the system scalability. Indeed, the method should assistance a huge number of nodes to allow a large range implementation of the system. In this paper we implemented a performance trade-off research of power intake vs. Quality of Solutions obtain in stability, suitability, and security for redundancy control of clustered heterogeneous wireless indicator systems using multipath routing to response customer concerns. We urbanized a novel probability style to evaluate the best redundancy stage in terms of direction redundancy (mp ) and resource redundancy (ms), as well as the best attack identification configurations with regards to the number of voters (m) and the attack incantation interval under which the life-time of a heterogeneous wireless sensor network is optimized while fulfilling the stability, timeliness and protection specifications of question processing applications in the existence of untrustworthy wireless communication and harmful nodes. Lastly, we used our analysis outcomes to the style of powerful redundancy management criteria to recognize and implement the best design parameter configurations at playback in reaction to environment changes to extend the program life-time
Volume: 6
Issue: 2
Page: 735-742
Publish at: 2016-04-01

Designing and Simulation of Surrounding Supporting Multicast Routing Protocol

10.11591/ijece.v6i2.pp785-791
Shaik Mahaboob Jani , Syed Umar , P.V.R.D Prasada Rao , Sridevi Gutta
In the Wireless sensor networks having of multi-hop transmission in the Adhoc networks. These Adhoc networks having advantages of limited bandwidth and mobility which is more useful for the changing of and usage of various protocols, so that these Adhoc networks having energy conservation, simple to construct, robustness. In this paper we are proposing a new protocol called Surrounding supporting multicast routing protocol [SSMRP]. This protocol uses the mesh networks to enhance the resilience against change of node. This SSMRP utilizes the node locality which reduces the overhead of the route maintenance and it also reduces the route for good data transmissions. In this paper we clearly explain how the data will be delivered   efficiently by reducing the overheads.
Volume: 6
Issue: 2
Page: 785-791
Publish at: 2016-04-01

New Classifier Design for Static Security Evaluation Using Artificial In-telligence Techniques

10.11591/ijece.v6i2.pp870-876
Ibrahim Saeh , Wazir Mustafa , Nasir Al-geelani
This paper proposes evaluation and classification classifier for static security evaluation (SSE) and classifica-tion. Data are generated on (30, 57, 118 and 300) bus IEEE test systems used to design the classifiers. The implementation decision tree methods on several IEEE test systems involved appropriateness SSE and classi-fication by using four algorithms of DT’s. Empirically, with the present of FSA, the implementation results indicate that these classifiers have the capability for system security evaluation and classification. Lastly, FSA is efficient and effective approach for real-time evaluation and classification classifier design.
Volume: 6
Issue: 2
Page: 870-876
Publish at: 2016-04-01

Synchronverter Control for Parallel Operation of Cascaded H-Bridge Inverter

10.11591/ijeecs.v2.i1.pp107-114
Amar Hamza , Sara Altahir , Xiangwu Yan
A 21-levels cascaded H-bridge multilevel inverter topology based on three-phase voltage source inverter has been proposed as a superior replacement for conventional two-level in high voltage applications. In this work we have presented the usage of the new technique called virtual synchronous generator based synchronverter model to operate the multilevel inverter as synchronous generator, and to share active and reactive power automatically in case of parallel operated inverters of the same type. Carrier-based PWM is used to control each phase leg of the cascaded H-bridge multilevel inverter. This carrier-based PWM scheme is derived from the carrier phase disposition pulse width modulation strategy. By aid of MATLAB/Simulink package a simulation experiment is established to verify the performance of the proposed technique. 
Volume: 2
Issue: 1
Page: 107-114
Publish at: 2016-04-01

Intrusion Prevention System Inspired Immune Systems

10.11591/ijeecs.v2.i1.pp168-179
Yousef Farhaoui
In view of new communication and information technologies that appeared with the emergence of networks and Internet, the computer security became a major challenge, and works in this research axis are increasingly numerous. Various tools and mechanisms are developed in order to guarantee a safety level up to the requirements of modern life. Among them, intrusion detection and prevention systems (IDPS) intended to locate activities or abnormal behaviors suspect to be detrimental to the correct operation of the system. The purpose of this work is the design and the realization of an IDPS inspired from natural immune systems. The study of biological systems to get inspired from them for the resolution of computer science problems is an axis of the artificial intelligence field which gave rise to robust and effective methods by their natural function, the immune systems aroused the interest of researchers in the intrusion detection field, taking into account the similarities of NIS (Natural Immune System) and IDPS objectives. Within the framework of this work, we conceived an IDPS inspired from natural immune system and implemented by using a directed approach. A platform was developed and tests were carried out in order to assess our system performances.
Volume: 2
Issue: 1
Page: 168-179
Publish at: 2016-04-01

An Improved ICI Self Cancellation Scheme for OFDM Systems Under Various Channels

10.11591/ijece.v6i2.pp690-699
A. H. Sharief , M. Satya Sai Ram
Inter Carrier Interference (ICI) is being introduced in OFDM due to the carrier frequency offset (CFO), which will degrade the system performance and efficiency at higher modulation levels and it decreases the performance of power amplifiers. Hence, here in this paper, we introduced a novel ICI reduction algorithms cancellation under the various channel environments such as AWGN, Rayleigh and also Rician. Simulation results have been compared with existing and proposed schemes under these channel specifications and concluded that the Rayleigh has performed far better than the AWGN and Rician channel distributions in terms of Bit Error Rate (BER) and Carrier interference Ration (CIR) performance.
Volume: 6
Issue: 2
Page: 690-699
Publish at: 2016-04-01

Components and Analysis Method of Enterprise Resource Planning (ERP) Requirements in Small and Medium Enterprises (SMEs)

10.11591/ijece.v6i2.pp682-689
Yousef Khaleel , Anmar Abuhamdah , Mutaz Abu Sara , Bassam Al-Tamimi
With the fast development of information technologies and enterprise software, Enterprise Resource Planning (ERP) systems are increasingly adopted by more small and medium enterprises (SMEs). Based on this trend, it is necessary to develop ERP systems in a manner that meets and fits the SMEs requirements and needs. This paper proposes conceptual components of ERP requirements that are required for generating ERP system functions. In addition, it proposes an ERP requirements analysis method for ERP system developments in order to produce the proper ERP system functions for SMEs. The advantage of this analysis method is that it is easy to analyze and integrate the special requirements of the ERP development for distinguishing a sub-sector of SMEs. In this paper, by analyzing the components of requirements and the relationship of the business process modelling, several basic concepts are given and the method of the process analysis and modelling is also expressed.
Volume: 6
Issue: 2
Page: 682-689
Publish at: 2016-04-01

Optimal Selection of UPFC Parameters and Input Controlling Signal for Damping Power System Oscillations

10.11591/ijeecs.v2.i1.pp61-68
Moslem Salehi , Ali Akbar Motie Birjandi
 Unified power flow controller (UPFC), as one of the most important FACTS devices, can be used to increase the damping of power system oscillation. The effect rate of this controller on increasing oscillation damping depends on the appropriate selection of input controlling signal, optimal selection of UPFC controlling parameters, and its proper position in power system. In this paper, the capability of different UPFC inputs is studied by utilizing singular value decomposition (SVD) method and the best UPFC input controlling signal is selected. Supplementary control parameters are also optimally selected by PSO algorithm. This method's accuracy is simulated on a single-machine system connected to infinite bus.
Volume: 2
Issue: 1
Page: 61-68
Publish at: 2016-04-01

Transient Analysis of a Multi-phase Induction Machine Operating as Generator

10.11591/ijeecs.v2.i1.pp79-87
Alok Kumar Mohanty , K B Yadav
Multi-phase machines are considered serious contenders as compared to the three phase machines for variable applications in generating mode. This paper presents the transient performance analysis of a multi-phase induction machine operating in six-phase mode for power generation. In this paper the simulation and experimental analysis of a six-phase machine in generating mode have been made. The simulations are made and the machine functionality was investigated during no-load and when subjected to different types of loads. Experimental results are provided to confirm the ability of these models to represent during no load as well as during load period and the result were found to be satisfactory for power generation.
Volume: 2
Issue: 1
Page: 79-87
Publish at: 2016-04-01
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