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Data is continuously increasing in volume, variety and velocity and is becoming a precious and an irreplaceable asset. The insights drawn from Data analysis are used to transform healthcare, Engineering of products, Cyber Security, National intelligence and business. Data is becoming extremely large that, it is becoming difficult to process using traditional data storage systems, because of their...
Several approaches to protect data and code, and ensure execution in a secure environment without getting infected from malwares, such as isolation, sandboxing, trust-based execution, application oriented access control have been proposed. In recent times, hardware-based solutions like ARM TrustZone and Intel SGX Enclave have been introduced to protect code and data from being infected or modified...
In recent years electrical power production using wind turbine technology has became a prominent region amongst all non-conventional sources for researchers. Based on the aerodynamic configuration of wind turbine variable speed wind technology has been implemented far and wide to track ample energy from the fluctuating wind. From the reliability, maintenance, cost and efficiency point of view permanent...
Energy cost of crowd-sourced continuous sensing is reported to be quite high. As the number of on-board active sensors increases, complications arise due to inter-sensor interactions. The energy-cost of the Smartphones is primarily due to wireless communications (in various modes, such as, cellular radio, GPS, Wi-Fi direct, and Bluetooth) and environmental sensing using its embedded sensors in a wireless...
We present a secure design for a map-reduce framework that guarantees preservation of privacy of the original data. We use Hadoop as a typical environment for illustration. That is, in spite of the data divisions/replications for the computations, the privacy of the original data remains invariant. Specifically, we use the novel information flow model called RWFM model that assures that in spite of...
In this paper, we propose a novel approach to model the electromyogram (EMG) signal using the Fourier-Bessel (FB) series expansion. It is demonstrated that the coefficients of the FB series can be modeled reliably by a sum of sinusoids whose parameters can be estimated accurately. Thus, representation of the EMG signal is possible via the signal expansion using the FB series. Therefore, the FB series...
A hybrid cloud is a cloud computing environment in which an organization provides and manages some internal resources (private cloud) while the other resources are provisioned externally (public cloud). Rapid deployment of hybrid clouds for utility, cost, effectiveness and flexibility has made it necessary to assure the security and privacy of hybrid clouds as it transcends different domains. Further,...
This work discusses on the design of broadband LDMOS cascaded RF power amplifier (PA) for mobile two-way radio applications. The main focus of this research is centered towards developing the matching network for the PA line up. A design technique of broadband LDMOS cascaded RF power amplifier is introduced here. Impedance transformation by parallel matching network is the core value of this work...
Power amplifier (PA) with wideband frequency application can greatly enhance user experience in wireless technology. In this paper, a methodology to design wideband power amplifier is introduced. Matching networks are designed by using real frequency technique (RFT) to provide the initial guess of the elements of the matching networks. Inductance transformation into Coplanar Waveguide with Ground...
A discrete matrix amplifier with two rows and four columns (2 by 4) designed to cover all the wireless protocols such as 2G, 3G, LTE, Wi-Fi (2.4 GHz and 5GHz), Bluetooth, Zigbee for SDR application designed with Silicon BJT and E-pHEMT technology. It exhibits an average pass-band gain of 38dB across 650MHz to 5.8GHz which is highest in the state of the art.
Squirrel Cage Induction Motor (SCIM) is the most impotent tool for energy conversion and industry applications, with increased utilities due to power electronic drive system introduction. Discrete Wavelet Transform (DWT) gives a superior idea about the variation in specific frequency band all through the bearing fault(s), so does the Wavelet Packet Transform (WPT). But they differ in principle of...
This paper presents a low complexity detection technique with near Maximum Likelihood (ML) performance for large multiple-input multiple-output (MIMO) systems. Large MIMO systems have gained popularity very soon because of high spectral efficiency and increased link reliability. ML based detection is known to give optimal result in terms of accuracy but due to extremely high computational complexity...
Dual two-level inverter can synthesize three-level output voltage. Carrier phase-shifted sinusoidal pulse width modulation (SPWM) is proposed in this paper by exploiting the idea of using both phase shifted modulating signals and also phase shifted carrier signals for the dual two-level inverter. The proposed pulse width modulation (PWM) method is aimed at reducing the common mode voltage (CMV) generated...
Monitoring ports, harbors and oceanic territories is gaining huge interest especially to combat military crisis, smuggling and terrorist activities. Underwater Wireless Sensor Network can be a viable solution for tracking objects like trespassing ships approaching a harbor and monitoring the activities on the ocean surfaces. In this paper we have proposed a new paradigm for underwater tracking mechanism.
Heating, ventilation and air-conditioning(HVAC) system is a very important component in designing a Smart Home. The HVAC system itself is a Cyber-Physical system(CPS) and comes under Industry 4.0. Being connected to network it requires an integrated architecture of communication and control for its smooth operation. Heterogeneous nature of control and cyber domains is a great challenge in dealing...
In this paper three supplementary Sub-synchronous damping controllers (SSDC) are proposed for damping out sub-synchronous torsional oscillations in power system with capacitor compensated transmission line. Capacitor compensation has widely been used as a very valuable way of escalating the power transfer capability and improving stability of power systems. Capacitor compensation in long transmission...
Dispensation of environmental data is gaining importance with time. Real time monitoring of environment facilitates us in identification of suitable locations for agriculture, industry and other purposes. In this paper, Arduino-UNO microcontroller based board is used to implement the data acquisition strategy and to interface both analog and digital sensors. Temperature, humidity, light intensity...
In this paper a feedback linearization control (FLC) is implemented on a vector controlled induction motor (IM) drives. A complete mathematical model of the vector controlled drive and feedback linearization controller is derived and simulation study in MATLAB/Simulink is carried out and dynamic performance of the drive is presented under different operating conditions. Two new control inputs are...
Conventional grid extension has been the leading mode of electrification in India. A number of remotely located villages in India are yet to be electrified by developing renewable energy based mini grids at remote locations to meet the energy demand. By which, we can utilize renewable sources of energy. The mini grids are profitable in remote areas to provide sustainable, reliable and cost effective...
This paper deals with implementation of Perturb and Observe algorithm on a Photovoltaic System using different converters in MATLAB/SIMULINK. The model of Photovoltaic System is based on mathematical equations. The Perturb and observe algorithm is the Maximum Point Tracking Technique (MPPT) which applied on the developed Photovoltaic system in order to operate it at its maximum power point. The Perturb...
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