Scientific Publications
Browse our catalog of peer-reviewed scientific articles
Research Categories
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Computer Science & Engineering
Core computing paradigms, algorithm design, software architectures, advanced computing theory, and hardware engineering.
Computer Networks
Network architectures, wireless ad-hoc protocols, vehicular networks (VANET), buffering, and communications.
Electronics Department
Circuits, semiconductor devices, flexible electronics, solar array modeling, signal processing, and photonics.
Civil Engg
Structural analysis, thermal stability of fluid layers, environmental infrastructure, and applied materials engineering.
Recent Publications (5)
The Impact of Line Resistance on the Performance of Controllable Series Compensator for Improving Voltage Stability
In recent years controllable FACTS devices are increasingly integrated into the transmission system. FACTS devices that provide series control such as Controllable Series Compensator (CSC) has significant effect on the voltage stability of Electric Power system. In this work impact of line resistance on the performance of CSC in a single-load infinitive-bus (SLIB) model is investigated. The proposed framework is applied to SLIB model and obtained results demonstrates that line resistance has considerable effect on voltage stability limits and performance of CSC.
FACTORS CAUSING STRESS AMONG FEMALE DOCTORS (A COMPARATIVE STUDY BETWEEN SELECTED PUBLIC AND PRIVATE SECTOR HOSPITAL)
It is an important task of working women to handle two important tasks. Balancing these two roles at home and work is very challenging task and causes stress at different levels. Different dimension of working women’s life involves in evolving the stress in working women’s life. These stresses cause the imbalance at the front of and handling family responsibility. In the current scenario, doctors face many stressors that are peculiar to the medical profession and doctors are required to have more competencies than before in diagnosis ongoing management of medical conditions. This means increased responsibilities which may contribute to stress. Stress experienced at work can have adverse outcomes for the well-being of individual employees and organization as whole. My study is focusing on identifying the factors causing stress among female doctors working for public and private hospitals and their stress levels associations with respect to sector. A sample of 300 female doctors from urban area participated in this study. Out of this, 150 each are from public and private hospitals respectively. A self-made standardized tool was administered based on five point scale. Results indicates that the values were found to be 0.000 in all the cases except, psychosomatic problems (0.004) which is lesser than (0.05) p-value resulting into rejection of null hypotheses , consequently revealing an association between sector of female doctors and stress due to workload, working condition, physical exertion, emotional exhaustion, job security, organizational support, work family conflict, family adjustment, task demands, psychosomatic problems, patient’s expectation and working hours
ANALYSIS AND DESIGN OF MULTIPLE WATERMARKING IN A VIDEO FOR AUTHENTICATION AND COPYRIGHT PROTECTION
Watermarking technique be employ instance & for a second time for validation and protection of digital data (images, video and audio files, digital repositories and libraries, web publishing). It is helpful to copyright protection and illegal copying of digital data like video frames and making digital data more robust and imperceptible. With the advent of internet, creation and delivery of digital data has grown many fold. In that Scenario has to need a technique for transferring digital data securely without changing their originality and robustness. In this paper proposed a plan of latest watermarking method which involves inserting and adding two or more digital data or pictures in a single video frame for the principle of protection and replicate the similar procedure for N no video frames for authentication of entire digital video. After that digital video is encrypted and decrypted by using motion vector bit-xor encryption and decryption technique.
Non-Integer Order Controller Based Robust Performance Analysis of a Conical Tank System
The design of robust controller for any non linear process is a challenging task because of the presence of various types of uncertainties. In this paper, various design methods of robust PID controller for the level control of conical tank are discussed. Uncertainties are of different types, among that structured uncertainty of 30% is introduced to the nominal plant for analysing the robustness. As a first step, the control of level is done by using conventional integer order controller for both nominal and uncertain system. Then, the control is done by means of Fractional Order Proportional Integral Derivative (FOPID) controller for achieving robustness. With the help of time series parameters, a comparison is made between conventional PID and FOPID with respect to the simulated output using MATLAB and also analyzed the robustness.
Security Strength Evaluation of Some Chaos Based Substitution-Boxes
Recently, handful amount of S-boxes, using the various methods such as affine transformations, gray coding, optimization, chaotic systems, etc, have been suggested. It is prudent to use cryptographically strong S-boxes for the design of powerful ciphers. In this paper, we sampled some widely used 8×8 S-boxes which are recently synthesized and security analysis and evaluation is executed to uncover the best candidate(s). The performance analysis is exercised against the crucial measures like nonlinearity, linear approximation probability, algebraic immunity, algebraic complexity, differential uniformity. These parameters are custom selected because their scores decide the security strength against cryptographic assaults like linear cryptanalysis, algebraic attacks, and differential cryptanalysis. The anticipated analysis in this work facilitates the cryptographers, designers, researchers to choose suitable candidate decided over many parameters and can be engaged in modern block encryption systems that solely rely on 8×8 S-box. Moreover, the analysis assists in articulating efficient S-boxes and to evaluate the attacks resistivity of their S-boxes.