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Frequency: 12 issues per year
ISSN: 2250–3005 (online version)
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International Journal of Computational Engineering Research (IJCER) Volume 1, Issue 1, Nov-Dec. 2011

S.No. Article Title Page No. PDF  

Bypass The Loops in Enormous Networks

D Kishore Kumar


In general comprehensive networks have chance of frequent failures; this can be failures of links between the routers when they communicate for the routing table which results in loop occurrence. Routers have the terrible feature of updating their routing tables where its convergence time depends on its routing protocols. Here in this paper, a new advanced attempt is made that saves the convergence time as well as the packet losses. The mechanism is Refreshing with Fast Merging (RFM) which regularly amends the forwarding routing tables with very less time. Here we have taken a complicated network of routers for stimulation later there occurs failures in links. These loops can be evaded and shown by constructing a shortest path tree.

KEYWORDS: Refreshing with Fast Merging (RFM), Shortest Path Tree, Link failures.

Two Input PID Fuzzy C Means Power System Stabilizer

K.R.Sudha1 Y. Butchi Raju


Power System Stabilizer (PSS) must be capable of providing appropriate stabilization signals over a broad range of operating conditions and disturbances. Traditional power system stabilizers rely on linear design methods. In the present paper, a novel approach for design of PSS using Fuzzy C Means is presented. The proposed Fuzzy C Means PSS (FCMPSS) is trained with the pre-designed two input PID fuzzy logic PSS(FLPSS). The simulation results of the proposed FCMPSS are compared to those of conventional stabilizers and the pre-designed Fuzzy PSS for a Single Machine Infinite Bus (SMIB) system. The effect of system parameter variations on the proposed stabilizer performance is also examined. The results show the Robustness of the proposed FCMPSS and its ability to enhance system damping over a wide range of operating conditions and system parameter variations.

Key words: Fuzzy C Means , Power system stabilizer, Dynamic stability.

Fuzzy Reliability Analysis in Interconnection Networks

Dr. Sudarson Jena Ms. K. Deepthi


Multiprocessors are quite suitable for task-based applications for the fact that they can support graceful degradation. However the uncertainty associated with the failure ,needs to be addressed for these systems. This paper proposes the fuzzy reliability model for multiprocessor interconnection systems, which takes into an account of uncertainty process. The effect of processor failure rate and coverage on fuzzy reliability is investigated.

Keywords: Reliability, Coverage, Failure rate, Fuzzy reliability, Interconnection network,

Cyber Bullying and Academic Performance

Dr. Qais Faryadi


This research investigates the emotional and physiological effects of cyber bullying on the university students. The primary objective of this investigation is to identify the victims of cyber bullying and critically analyze their emotional state and frame of mind in order to provide them with a workable and feasible intervention in fighting cyber bullying. In this research a triangulation method (quantitative, qualitative and descriptive) is employed in the investigation. The instruments used in this study, in which 365 students participated, included questionnaires, interviews, checklists and observations. The results of the study indicated that a significant number of the respondents 35 (13%) had suffered emotionally due to cyber bullying. Furthermore, 300 (85%) of the respondents indicated that in their views cyber bullying causes emotional and psychological stress. Further, majority of the respondents 255 (70%) agreed that cyber bullying adversely affects students’ academic performance. Results further designate that 60 (16.6%) of the respondents specified that they had bullied someone inside the university at least 2 or 3 times a month while 4 (1.1%) of the participants said that they had bullied someone outside the university at least 2 or 3 times a month. It is interesting to note that majority of the students 75 (20.8%) signify that they have heard bullying taking place inside the university.

Index Terms: Computer, internet, bullying, student, emotional psychology