Network-on-chip (NOC) architectures are being extensively employed following the growing number of cores in such networks as well as a rising trend in power/energy consumption and latency development. Proper NOC architectures can thus significantly contribute to the performance of these networks. Accordingly, a new architecture is proposed in this paper to decrease network diameter. A new particular

ABSTRACT This paper proposes a conformable fractional-order terminal sliding mode controller for a class of nonlinear systems subject to uncertainties. First, a novel conformable fractional terminal sliding surface is proposed and its finite-time stability to the equilibrium point is proven. Subsequently, a switching function with a time-varying gain is presented. The system’s stability is guaranteed

ABSTRACT In the emerging nanotechnology, a finest potential alternative to transistor-based technology is Quantum-dot cellular automata (QCA). It promises higher device density and lower power consumption. The predominant application of QCA is the realization of configurable blocks in the digital systems. This paper presents a new serial scan register and a boundary scan cell, essential components

This paper aims to obtain the overall equations of the yearly, seasonal, monthly and daily optimum tilt angles worldwide. So, the daily optimum tilt angle variations are examined for 337 locations in the northern hemisphere and 247 locations in the southern hemisphere, and it is shown that the daily optimum tilt angle changes in cosine form over a year. Then, the daily optimum tilt angle is estimated

The paper deals with the realization of a current-mode precision full-wave rectifier using one extra-X second generation current conveyor and two metal-oxide-semiconductor (MOS) switches. The structure of the circuit is simple as it is implemented using fewer MOS transistors and does not use any external resistor. The linearity range of the presented rectifier is good i.e. ±300 µA and its higher operating

In this paper, a bi-directional UWB MIMO antenna is presented and investigated for superior UWB MIMO performance. The MIMO antenna elements are proved to have a typical impedance matching and directional radiation pattern over the bandwidth 3.9–10.6 GHz. The MIMO antennas have a very low mutual coupling by using efficient DGS. The MIMO antennas are evaluated for perfect MIMO performance. Results confirm

For inherently unstable magnetic levitation (maglev) systems, state observation is required for feedback control, and disturbance estimation is needed to compensate for unknown disturbances. Previous designs for simultaneously observing state and disturbance can lead to aggressive disturbance compensation and an unstable levitation. Aiming at these problems, this paper presents a state and disturbance

The relevance of Electric Vehicles (EVs) and the overall market demands of the respective control units is in a never before leap all around the globe as seen from the news, business studies, research trends and technological innovations today. Compared to earlier years, the relevance of driving safety in EVs also gains special attention due to the unforeseen surge in promoting EVs by National, State

ABSTRACT The cognitive radio (CR) opens new paradigms of opportunistic utilization of unused frequency spectrum through spectrum sharing. Dynamic spectrum access (DSA) provides an effective solution to channel congestion with the help of software-defined radio in cognitive radio networks (CRN). Software defined radio (SDR) offers manipulative wide spectrum sensing and reconfigurable transmission properties

This paper explains the novel conformal antenna design that achieves better Bandwidth (0.53 GHz) and Gain (9 dB) with slim and flexible substrate suitable for aircraft fuselage mounting. The achieved Bandwidth of 10.2% around the operating frequency of 5.2 GHz helps in improving the cross-range resolution of Synthetic Aperture Radar (SAR). The obtained gain increases the cross-range coverage and reduces

The quantum-dot cellular automata computing paradigm shows particular promise in terms of density and power and also enabling a new approach to implement reversible computing. In this paper, we explore the efficient designs of various latches based on reversible logic for quantum-dot cellular automata building blocks, while applying the cell placement constraints introduced by the use of wave clock

Solar power provides a great promise and hope to the challenge of minimizing the gap between energy requirement and delivery and availability as well. The simultaneous energy demand in connection with the depleting predictable power sources requires the efficient use of the inexhaustible energy resources. The green property and inexhaustibility are the two basic properties inherited naturally to solar

In this paper, I have presented a simulation study to suppress the ambipolar current of the Schottky Barrier (SB) MOSFET. In this work, I have used a dual metal gate device structure. The gate of the device is composed of two different metals. The metal used at the source side gate region has higher work function, while the metal used at the drain side gate region has lower work function. To perform

Lateral displacement has a great influence on optical communication. We proposed the directional tapered fiber connector to improve the coupling efficiency. To verify its performance, we produce the sample with the flame-brush technique. In the next step, two experiments in the vibration environment are done. The first experiment shows the tapered structure could improve the optical power coupling

(2020). Scanning the Issue. IETE Journal of Research: Vol. 66, No. 5, pp. 587-589.

After restructuring of power system, independent system operator is facing a big challenge to manage operations on transmission networks due to growing renewables share and involvement of large market players in power system operation. Among all renewables, wind power has the most stochastic nature and faces penalties due to mismatch in its initial power committed and final power delivered. Also, wind

ABSTRACT In recent years, the semiconductor industry is increasingly considering alternative computation schemes and in this conjuncture quantum computing has come up as a promising direction due its ability to perform parallel computations (by exploiting superposition) and capacity to solve some of the intractable problems exponentially faster. But one of the criteria in the realization of quantum

This paper considers a cooperative wireless system with multiple antennas at the source. A multi-antenna relay equipped with a power splitter is introduced between the source and destination. It utilizes the energy from the received signal for amplification and transmit it to the destination. The linear precoding techniques such as zero forcing (ZF) and minimum mean square error (MMSE) are used to

Convolutional neural networks (CNNs) are classical models for computer vision and machine learning applications such as video surveillance, pattern recognition, weather forecasting, traffic, and safety. CNNs involve computationally intensive operations and require huge off-chip memory bandwidth, which makes it a challenging task to deploy on real-time embedded systems. Compared to central processing

This article presents a flexible ultra-wideband 4 × 1 MIMO antenna for breast cancer detection application. The antenna is designed with CPW feeding. The proposed MIMO antenna is constructed with an elliptical-shaped radiating patch and a slotted ground plane. The main aim of using a 4 × 1 MIMO antenna is to improve antenna performance and scatting signals. Initially, a single CPW-fed antenna element

The GTEM cell is a new version of the modified transmission line, operated at very high-frequency test equipment for EMI or EMC measurement. The equipment is designed for an electromagnetic compatibility, immunity and radiated emissions test. In this paper, GTEM is designed using ANSYS HFSS 13.0 and fabricated for 1 to 3.9 GHz frequency. This paper focuses mainly on the novel validation test for the

Multilevel inverters (MLI) are aligned with lower harmonics and less commutation losses, which offer high power capacity. MLI is one of the best widespread converters due to its ability to eliminate the harmonic distortion without dropping the converter power output. The cascaded MLI is utilized for a reduced number of switches. In this topology, the switching angles at fundamental frequency are attained

Universal Filter Multi-Carrier (UFMC) is one of the most recommended waveform designs for the next-generation wireless communication system. UFMC provides high spectral efficiency, better sub-carrier separation with less PAPR when compared to OFDM. The major drawback of UFMC is that it suffers from a significant peak to average power ratio similar to multi-carrier communication techniques like Orthogonal

This paper presents the design, optimization, fabrication and characterization of a symmetrical two-axis tilt angle sensor. The sensor consists of a globe-calotte-shaped excitation electrode and two pairs of sensing electrodes of the same dimensions, positioned symmetrically on a 3D printed hollow sphere. The sphere is filled with oil and air, and then mounted on the surface of a printed circuit board

Vibration is the vital feature of the motor to diagnose various faults. The existing methods have many limitations. Thus, this work proposes a non-invasive Software Phase Locked Loop (SPLL) technique to diagnose the multiple rotor faults. A high-frequency (10.525GHz) microwave signal is projected on the motor and the reflected signal is captured by the handheld ultra-wide band (UWB) radar. Hardware

A novel elliptically slotted antenna (ESA), with two notched bands for Ultrawideband (UWB) applications, is presented. The ESA comprises of an elliptically slotted radiator with a beveled defected ground structure (DGS) for achieving UWB bandwidth ranging from 3.42 to 11.79 GHz (110%) for VSWR< 2. Two rejected bands at WLAN (5.02–5.97 GHz) and down link of X- band (7.23–7.72 GHz) applications are obtained

Nowadays, Brain Computer Interface has an important role in the life quality of paralyzed people. However, this technique is mainly affected by the quality of the recorded signal in each trial. This problem could be solved by rejecting low-quality trials. But developing the processing based on the recorded signal from the brain, which is a mixture of the target signal plus noise and artifact, would

In this paper, an attempt is made to simulate and compare spatio-temporal VCG and VMCG derived from epicardial potentials. Electric (EHV) and Magnetic heart vectors (MHV) are computed from the ECG and MCG at various time instants and their orientations with respect to time are found to show a reasonable tilt of 90 to 100 degrees. The complimentary information with reference to the orientation of cardiac

This paper exhibits a computer-aided diagnosis system for the severity analysis of mitral regurgitation (MR) and assesses the discriminatory capability of Daubechies wavelet-based texture modeling. The Daubechies wavelet family has been utilized for the image decomposition because of its approximate shift invariance property. Seven statistical texture features have been utilized after the decomposition

Programmable Microfluidic Devices (PMDs) are revolutionizing the traditional biochemical experiments due to their flexibility of performing various functionalities on a platform without any amendment in the underlying hardware. To enhance the inherent tractability of a PMD, microchannels are frequently shared among the operations; however, this leads to cross-contamination problem due to the residues

In this paper, critical analysis of performance comparison of various optimization techniques for a MRPID (Multi Resolution Proportional Integral Derivative) thermal system controller is presented. This controller controls the uncertainty or mismatch between real and reference temperature. Wavelet coefficients of error between the two temperatures and their corresponding gains are added to produce

In this paper, loss due to staggered-via in SIW (Substrate Integrated Waveguide) is analyzed with the help of S-parameter responses and field diagrams. It is observed that staggered-via improves the response of an SIW structure, with higher via pitch (w) to via diameter (d) ratio (w/d), but the loss increases drastically at certain discrete frequencies for which λ / 2 n equals to w, where λ is the

Skin tumour detection plays a key factor in medical research. Nowadays, tumour detection process is of crucial importance as the number of persons affected is increasing at a larger rate. The aim of this research work is to develop a new approach for efficient image enhancement and tumour detection from other unaffected regions on computed tomographic skin images. This work is mainly related to medical

The current communication deals with the investigation of sucrose concentration in aqueous solution using copper-based metamaterial structure at a wavelength of 1550 nm. In this article, 5 × 5 air holes are engraved on a copper-based metamaterial structure, which contains the different concentration of sucrose in aqueous solution. Further, the present structure manipulates with finite difference time

This paper proposes a novel Pulse Width Modulation (PWM) switching technique based on Optimized Carrier Peaks-PWM (OCP-PWM) which can be used to control both single phase and three-phase multilevel inverters. The proposed PWM scheme is designed according to multi-peak selection on carriers a way to define the optimum values for carrier peaks and then minimizing the output voltage Total Harmonic Distortion

In this paper, a flexible and compact multiband wearable antenna with a simple and low-profile structure is proposed and investigated. It is able to operate over the frequency ranges from 0.824 GHz to 0.975 GHz and from 1.90 to GHz to 6 GHz, covering the most of identified frequency bands for biomedical applications. Moreover, the antenna demonstrates robust on-body performance and provides a suitable

In this paper, we design a novel photonic crystal fiber (PCF) chemical sensor wherein the cladding structure is made of a steering-wheel (SW)-shaped large non-circular air-hole. In this PCF, we introduce the rectangular air holes in the core and they are filled with any one of the analytes, namely, water, ethanol and benzene. We use the full-vectorial finite element method (FEM) to optimize the structural

This work presents the design techniques for generalized Chebyshev miniaturized monolithic ceramic bandpass filters. The integrated ceramic dielectric waveguide filters occupy less than 50% volume of conventional coaxial TEM filters. Generalized Chebyshev filter response is achieved using metal-plated blind holes embedded at various places in the dielectric slab, which provide inter-resonating couplings

In this work, we tackle the difficulty of direction-of-arrival estimation (DOA) for a uniform linear array (ULA). Furthermore, a spectrum estimation method using a new two-dimensional (2D) ULA is devised. This 2D-ULA conquers the ULA’s inability to estimate the narrow-band sources impinging at grazing incidence. This configuration has doubly crossed ULAs and hence has an array size equals to 2L, where

In this study, a new fast variable structure adaptive fuzzy controller is presented for nonlinear state-delay systems which are subjected to external disturbances and uncertainties. The undesirable chattering and singularity of the variable structure scheme are eliminated by using a novel fast robust high-precision continuous nonsingular control law which is able to accelerate the finite-time convergence

This article encompasses the design of compact ultra-wideband (UWB) bandpass filter with low insertion loss and high selectivity using circular open-circuited stubs (COSs). Low insertion loss from two COSs and Multiple Mode Resonator (MMR) from three pairs of parallel-coupled lines are constituted to obtain the UWB band. The proposed filter has multiple resonant frequencies in the passband and two

Osteoporosis is one of the common bone diseases that reduces bone strength and affects the structure of the bone and thereby increases the chances of fracture risk, more likely in the spine, hip, and wrist. The diagnosis of osteoporosis is done by measuring the bone quality and bone mass, mainly bone mineral density (BMD). There are various methods available to measure the BMD. Of which, Dual Energy

(2020). Scanning the Issue. IETE Journal of Research: Vol. 66, No. 4, pp. 439-441.

In this paper, a voltage mode (VM) multifunctional structure of fractional-order inverse filter using a single operational amplifier (op-amp) has been proposed. The proposed configuration of inverse filter has been designed using a novel R-C op-amp circuit using minimum number of active and passive components (one op-amp, two resistors and two simulated fractional-order capacitors). The presented structure

An angular displacement sensor is designed using a corrugated substrate integrated waveguide (CSIW) cavity resonator. Where, in the proposed cavity, instead of copper vias, one of the electric walls is made by a number of open quarter guided wavelength stubs and to make an angular displacement sensor, a rotatable copper sheet is located on the stubs. When the copper sheet rotates, the length of the

Interaction recognition in videos with body pose is gaining remarkable attention due to its speed and robustness. Recently proposed recurrent neural network (RNN) and deep ConvNets-based methods are showing good performances in learning sequential information. Despite these good performances, RNN lags behind in learning spatial relation between body parts, while deep ConvNets requires huge amount of

In recorded Electrocardiogram (ECG) signal, clinical information is masked by several noises and distortion resulting in low signal-to-noise-ratio (SNR). In this situation, an efficient pre-processing technique is required to improve SNR for efficient analysis of ECG signals. In this research article, performance of five pre-processing techniques viz. digital bandpass filter (DBPF), wavelet transform

In this paper, a stochastic multi-objective structure is introduced in joint energy and reserve market to allow energy generation companies participating in the short-term hydro-thermal self-scheduling with uncertainties. To solve this problem, an antlion optimization (ALO) algorithm is used. In addition, uncertainties including energy price, spinning and non-spinning reserve prices, output power of

This paper explains mathematical framework of physical phenomenon happening in nature and social opinion dynamics. It is divided into two parts. The first part deals with design of the trajectory tracking algorithm for multiple mobile robots and in the second part rendezvous algorithm is described. Trajectory tracking algorithm is designed using leader–follower approach in which each follower robot

Our work includes the study of synergistic efficiency of turmeric crude extracts and electrical pulses on breast cancer cell line, MCF-7 (an Estrogen Receptor alpha positive, weakly invasive, luminal epithelial-like). We assessed the bioactive compounds present in this extract by qualitative phytochemical screening tests. The antioxidant, phenolic and anticancer activity of untreated and pulsed extracts

This paper introduces the design and experimental analysis of an eight-port Ultra Wide Band (UWB)/Super Wide Band MIMO antenna with the with triple-band rejection characteristics. The proposed UWB design includes a square-shaped radiator and a shared partial ground with novel hexagonal-ring type fencing decoupling structure to achieve UWB and a high degree of isolation between radiating elements. The

Improving the microgrid fault ride-through capability and enhancing the transient performance of microgrid operation due to voltage sags is of great importance. This paper investigates the ride-through capability and feasibility of integrating a mutual inductance between the main grid and the microgrid under short circuit condition. The fault ride-through capability of the microgrid DGs is examined

This paper addresses the design of an adaptive sliding mode controller via geometric approach for a quadrotor unmanned aerial vehicle (UAV), suffering from inertial parameter uncertainty and disturbances. For this aim, the quadrotor dynamics described on the special Euclidean group SE(3) is decomposed into two cascaded subsystems, where the backstepping controller is developed during the position subsystem

The aim of this paper is to analyze and evaluate the sensitivity and non-linearity of graphene piezoresistive MEMS force sensor by optimizing its geometrical parameters. In this work, important factors affecting sensitivity and non-linearity were identified such as geometrical dimensions of microcantilever, modulus of elasticity of material, shape, placement, doping concentration, and dimensions of

One of the most challenging events for distance relays is a transient phenomenon known as power swing, which can have damaging results to the system. The occurrence of power swing can cause the impedance trajectory to enter protective zones of distance relays that may lead them to the wrong operation. Malfunction of distance relays can create instability in power systems, and a large blackout may occur

This paper examines the limits of power injected to the grid for the photovoltaic (PV) system. Usually, the PV system injects to the grid active power with reactive power equal to zero. However, it can be able to inject/absorb both powers according to the grid demand and maintain the stability of the grid characteristics (voltage and frequency). The proposed system consists of two main controllers:

Static Synchronous Series Compensator (SSSC) is the fact device that provides stable and controlled power transmission. The unequal load, power disturbances, and fault can cause power fluctuations in the system. In this paper, a more intelligent and optimized SSSC system design is presented with the integration of a fuzzy controlled differential evolution method. The method has analyzed the disturbance

Trajectory tracking is extremely difficult for rotorcrafts based on the nonlinear model and taking into account all the parameters of the system and especially considering the effects of flapping and the main rotor and its control tail in all directions. This paper describes the tracking route, based on nonlinear model and velocity control and feedback mode and Polytopic linear parameter varying (LPV)

The world energy system is slowly turning toward renewable energy resources. The concepts of distributed generation and microgrids are into implementation but still in the deliberation phase. The benefits of a small power system are its cost, easy installation, integration of renewable with non-renewable energy sources, and switching between on-grid/off-grid modes. Renewable energy-based microgrids

The liver is considered as one of the complicated organs in human body. It has close proximity to the neighboring organs in abdomen with numerous anatomical variations. It is difficult to find out the severity of disease connected to the liver unless the scanned image is subjected to segmentation process. The difficulty level also varies with the diseases that affect the liver. Any of the disease alters