In this paper, a new topology for a shunt active power filter using a matrix converter is proposed. The topology analysis, description of the associated control technique, steady-state and dynamic performance are also presented in this study. The proposed topology doesn’t contain the bulky DC-link capacitor. In addition, the parameters of the proposed filter are robust against the change in the load

The detection of the electrical fault in speed controller under a Motor Control Unit System (MCUS) has been amply viewed in the research paper. Nevertheless, the research work in this domain have been constantly follow on sensor-based vector control of synchronous motor. This paper combines the Power Inverter Voltage (PIV) faults detection (signal-based approach) with sliding mode technique (model-based)

A single-phase AC-DC converter based on switched capacitor is proposed. This converter is an integration of basic boost converter and switched capacitors. This rectifier is controlled by average current control method which comprises of two feedback loops i.e., voltage control loop and current control loop to produce unity power factor. The proposed converter develops a dc voltage more than the peak

The efficiency of a multiphase wireless power transfer (WPT) system varies with the size and position of loads. Based on the traditional WPT system, the efficiency improvement of three-phase WPT system under load variation was studied. A three - phase shift control (PSC) strategy is proposed. Mathematical formula of optimal resistance is deduced and the optimal phase shift angles (PSA) for maximum

An output capacitor-less flipped voltage follower (FVF) low dropout regulator (LDO) with an active feed-forward compensator is presented. A simple compensator which consists of a miller capacitance and an NMOS pass transistor is used to stabilize the LDO. The miller capacitance places the dominant pole at the gate of the power transistor and provides better transient and small-signal responses than

In this paper, a multiband oval ring patch antenna is presented. The proposed antenna consists of a quarter wavelength folded meander line attached inside the ring and a pair of quarter wavelength ‘L’ shaped stubs are attached outside the ring which helps antenna in radiating at multiple resonant frequencies with proper impedance matching performance. Antenna with the dimensions of 10 × 12 × 1.524mm3

To execute soft switching methods in resonant power converters, transformers with larger leakage inductance are getting more attention. Many papers have constructed various concepts in this regard. However, a discussion about, how the transformer efficiency is affected is lacking in the literature. This paper analyses the effects of the increased leakage inductance on the performance of the transformer

To demand high power back up by increasing the user’s need for applications in a single IC, the power dissipation takes place. The proposed two approaches are control Logic (CL) with Integrated Clock Gating (ICG) and Programmable Combinational Logic(PCL)and Gate Logic(GL) with ICG to achieve the low power and low dynamic leakage in 16 Bit Counter. These approaches operate in different Logic to Generate/stop

This work introduces a low-cost test strategy for second-order lowpass filters implemented in analog reconfigurable circuits of PSoC1 devices. By adopting a functional approach, the specifications of the filters are determined through the analysis of their transient response features. The strategy relies on the device dynamic reconfiguration ability to minimize test hardware overhead. Additionally

In this paper, we propose and simulate a lateral asymmetrically doped channel based tunnel field effect transistor. The impact of laterally asymmetric channel (LAC) on the performance of a Tunnel Field effect transistor, along with a detailed comparison with a uniformly doped TFET (UD-TFET) has been studied. The proposed TFET has uniformly doped source and drain regions and the asymmetrically doped

A theoretical analysis for single event transient phenomena in a cross-pair LC-VCO (Inductor Capacitor-VCO) is presented. The analytical model developed using unit step approximation for the dual double exponential SET current pulse closely captures the SET phenomenon in the LC resonant tank. Also, a model developed to capture the increase or decrease in the transconductance of the cross pair VCO in

In this article we report the test strategy and the results obtained from measurements of a CMOS integrated power amplifier. The power amplifier was designed to optimally-drive an inductive link used in wireless power transfer. As part of the proposed strategy, we designed an integrated oscillator to generate the carrier frequency, as well as dc and ac envelope detectors to estimate the output power

A new type of metasurface (MTS) structure consisting of two diagonally connected rings is proposed. Proposed metasurface (MTS) with 16-unit cells are arranged in 4×4 cells, which converts linearly polarized (LP) wave to circularly polarized (CP) wave with axial ratio bandwidth (ARBW) of 50MHz. Four different types of LP antennas, microstrip fed, coaxial fed, slot antenna and aperture antenna have been

DC-DC converter plays a major role in microgrid and energy storage system using operational stability and synchronized power delivery. In this paper, an energy management control algorithm is proposed based on closed-loop proportional-integral (PI) to solve and analyze the issues of unstable DC link voltage. During grid-connected mode, a hybrid energy storage system (HESS), i.e., super-capacitor (SC)

Wireless body area network (WBAN) is a progressive field of research that allows the transmission of biological signals from user’s body to an off-body control device. Compact antennas with stable on-body behaviour are achieving interest for WBAN. Here, a CPW fed antenna with L-shaped ground and radiator is investigated for dual band operation at 2.45/5.8 GHz Industrial Scientific and Medical (ISM)

Aiming at the rotor mass eccentric vibration caused by mechanical imbalance of a bearingless induction motor (BL-IM), a radial basis function (RBF) neural network strategy is proposed to compensate the rotor displacement. By analyzing the principle and influence of the BL-IM’s unbalanced vibration, the detected displacement signal and the set tracking signal are compared to get a difference, then the

This paper presents a new architecture of energy recycling with adiabatic logic for low power applications. The reported design is based on the ultra-low-power diode, which consists of two MOS devices. Based on this concept, adiabatic logic inverter, a single bit full adder, and SR flip-flop have been proposed. In this work proposed design of SR flip-flop proved the compatibility of WSDAL for sequential

A 73~106 GHz divide-by-2 injection-locked frequency-divider (ILFD2) using 90 nm CMOS technology is presented. To achieve a wide locking range, an optimal transistor width ratio of the injection transistor (or mixer) and cross-coupled transistors (CCT) is adopted. To enhance the operation frequency, distributed LC network is used as the load of the CCT. To enhance the input sensitivity, an input power

This paper presents the effects of manufacturing process variations on the phase locked loop (PLL) performances like lock time, lock range and phase noise. At higher operating frequencies, due to process variations, there is a shift in duty cycle of the divider output to phase frequency detector, which leads to lock failure. To alleviate this problem an adaptive duty cycle control (ADCC) strategy is

This paper describes a multiphase all-digital delay-locked loop with multi-input delay line to achieve a wide range operation. The proposed DLL can generate four phases and the range of operating frequency from 3 MHz to 600 MHz. To save the silicon area, a new structure of delay line proposes to achieve wide range operation. The proposed delay line is implemented with one multi-input cyclic delay cell

It is interesting to determine the direction of arrival (DOA) of signals in the presence of impulsive noise for monostatic multiple-input multiple-output (MIMO) radar. Inspired by the robust statistics property of M-estimation theory and maximum likelihood estimation theory, a Cauchy score cost function is proposed to suppress the outliers, leading to robust DOA estimation. Firstly, the Cauchy score

An efficient three-phase resonant DC link inverter is put forward to optimize the efficiency. The assisted circuit is added on the DC link. When the main switches need to be operated, the assisted circuit has been in resonance state in advance. The voltage across DC link changes to zero, so that the main switches can act in the mode of zero-voltage soft-switching. Besides, the auxiliary switch can

The aim of this paper is to provide a complete and clear overview of the distinguishing dc and microwave features of HEMT performance under illumination. Devices based on different materials and technologies have been employed, thus making clear that the relevant findings can be considered of general validity. The analysis has been carried out in terms of dc, scattering and noise parameters, and supported

This paper presents, a short gate dual metal source electrode dielectrically modulated tunnel field-effect transistor (SDM SE DM-TFET) has been compared with conventional dual gate-source electrode dielectrically modulated tunnel field-effect transistor (DG SE DM-TFET) for the biosensing application. Hence, gate work function engineering is applied in our proposed device in which gate metal is split

This paper exhibits a novel technique to obtain a sensorless control of a permanent magnet synchronous motor post an open-circuit fault condition to achieve a maximum reliability of the whole drive system. The contribution of this work can be expressed in two things. The first contribution is the introducing of a 4-leg 27-level Cascaded H-Bridge inverter modulated through a 3-Dimension Space Vector

- In this paper, a non-isolated multi input DC-DC converter (MIC) topology is presented to integrate renewable energy sources (RES) with the load. The proposed MIC consists of two identical high gain DC-DC converters which are supplied from two sources. In each high gain converter, the required voltage gain to meet the standard DC bus voltage in a DC micro grid is obtained by cascading the output of

This paper presents a new high-speed, low-power, area-efficient 1-trit Ternary-Full-Adder (TFA) as a building block for wave-pipelined ternary-digital system design. Balanced input capacitance with structural symmetry makes Double Pass-transistor Logic (DPL) an ideal candidate for this, and is employed here hence. Design-strategy with working-principle is presented. The TFA is designed and optimized

The progressive shrinking of MOS dimensions confronts critical issues while designing low power consuming computational devices. The Single Electron Technology is one of the emerging technological solutions to cope up with the scaling challenges and support Moore’s law. Apart from the miniaturization, another concern is the energy efficiency of the designed circuit. Use of reversible logic in place

The distributed modulated wideband converter (DMWC) is a kind of sub-Nyquist sampling system which randomly moves the sparse wideband signal spectrum to the baseband to realize low-speed sampling. DMWC regards each sensor node as a sampling channel and combines compressed sensing technology with a broadband cooperative spectrum sensing network. However, DMWC contains phase and transmission attenuation

In this paper, ANN speed and flux controller for feedback linearization control (FLC) IM drive with nonlinear flux observers are proposed to achieve an accurate and fast dynamic response over a wide operating range. Because of the nonlinearity in IM, a linear PI controller with direct field oriented control (DFOC) IM drive, gives the poor performance, longer convergence time and limited disturbance

Cognitive radio technology is a solution to the spectrum scarcity problem that exists in today’s wireless networks. It provides spectrum conscious paradigm. However, these wireless systems impose eccentric challenges because of dynamic spectrum availability and diverse quality of service requirements. This paper investigates the performance of the adaptive cognitive system in multi-user and multi-channel

In this paper, a digital pulse width modulation (PWM)-based boundary control (BC) for boost converter is proposed. Compared to existing BC methods for boost converter, the proposed method utilizes the exact feedback linearization model and employs PWM technique to realize a fixed switching frequency and a low sampling rate simultaneously. Firstly, based on the linearized model of boost converter, we

In this manuscript, the impact of dielectric pocket on analog/radio-frequency (RF) performances of SOI-TFET is investigated. The inclusion of a dielectric pocket to SOI-TFET has been found to have great potential in eliminating the ambipolarity when Tunnel FET is biased at a higher negative gate voltage. With 2-D numerical simulations, it is demonstrated that inclusion of a dielectric pocket on partially

The impact of environmental degradation and the energy crisis, countries are vigorously developing renewable power generation technology. Among renewable energy sources, wind energy is a clean, convenient, and easy to access, which have become the priority nowadays. The doubly-fed induction generators (DFIG) are widely used in modern wind power plants because of their robustness in variable speed and

A device-to-device (D2D) communication permits wireless devices to communicate mutually without network assistance. It promises to enhancement in spectral and network efficiency in the next-generation networks. A D2D communication needs device discovery, which is considered as a primary task. It represents the geographic coordinates of the wireless devices in a cellular network. If the device discovery

In this paper, a multi-parametric analysis modelling for an ultra-wideband (UWB) antenna using artificial neural networks is proposed to predict both the UWB impedance bandwidth and multi-band notch frequencies. Two different neural models are implemented and tested using eight different algorithms. Neural model with two hidden layers having testing mean square error as 27.51 KHz proved to be efficient

In this paper, we investigate the secrecy performance of an uplink-downlink power domain non-orthogonal multiple access (PD-NOMA) system with imperfect successive interference cancellation (SIC) in physical layer security (PLS). In the proposed system, two source users (SUs) communicate with two destination users (DUs) with the help of a cluster of multi-relay nodes using the decode-and-forward (DF)

This paper develops a mathematic model to calculate the power losses and efficiency for an onboard three-level brushless synchronous generator (TLBLSG) which consists of pilot exciter (PE), main exciter (ME), and main generator (MG). A back-iteration algorithm which combines an analytical model of the MG stator loading with a three-phase diode bridge rectifier (TPDBR) and a capacitor, an equivalent

This paper investigates the solution to an optimization problem to minimize the total transmission power at the transmitter in a cooperative non-orthogonal multiple access (NOMA) system with simultaneous wireless information and power transfer (SWIPT) and an energy-harvesting user. First, we formulate the optimization problem to obtain the minimum transmission power at the transmitter under the constraints

With the aggressive scaling of integrated circuit technology, parametric estimation is a critical task for designers who looked for solutions to the challenges of some Nanoscale CMOS parameters. This paper presented the prediction of primary parameters of CMOS transistor for 16 nm to 10 nm process nodes using both of Bisquare Weights (BW) method and a novel recursive least squares (RLS) parameter estimation

An interleaved frequency control soft switching converter is studied for solar power or fuel cell power applications. The proposed circuit topology contains two parallel current-fed circuit cells with interleaved pulse-width modulation operation. Thus, the ripple currents at input and output terminals are decreased. In each circuit cell, the proposed current-fed dc-dc converter includes boost circuit

Energy harvesting (EH) is an eminent solution to perpetuate the lifetime of energy-constrained relay nodes in wireless sensor networks (WSNs). This paper considers a multi-hop amplify-and-forward (AF) network in which relay nodes with EH capability harvest energy inherent in the source transmitted radio frequency (RF) signal and use the harvested energy for signal transmission. Based on the time switching

This paper presents a 4-bit, 2–2 multi-stage noise shaping (MASH) delta-sigma modulator (DSM) fabricated using a 0.18 µm complementary metal oxide semiconductor (CMOS) process. The DSM was designed using a cascade-of-integrators with a feedforward (CIFF) structure. The first integrator was designed to reduce the loading effect of the system’s front-end circuit using a switched-resistor integrator instead

In this article, asymmetrical mirror-imaged monopole antenna comprises a rectangular patch with tuneable stub and supported with modified ground structure (MGS) is investigated. The proposed antenna is characterised for dual band dual polarised (DBDP) radiations and can operate at 2.45 GHz for Wi-Fi and WLAN systems (2.4–2.485 GHz) and 5.45 GHz for WLAN band (WLAN band: 5.2–5.8 GHz) with the corresponding

Present article exhibits the design of a third-order compact parallel-coupled line bandpass filter at 5.25 GHz having asymmetric perturbations to suppress the second harmonic. Initially, the effects of compactness on filter characteristics have been studied by synthesising the distributed filter network into its equivalent circuit model. The design has been initiated by computing the unit cell model

Worldwide Interoperability for Microwave Access (WiMAX), based on IEEE 802.16, provides first-mile wireless access for broadband users and is capable of satisfying the Quality of Service (QoS) requirements of voice, video and data traffic (triple-play services). This paper proposes two WiMAX hybrid schedulers, developed by integration of homogeneous schedulers, for providing QoS to triple-play services

Detection and localisation of contacts using sensor array play a significant role in the area of array signal processing. In this paper, a new beam-forming analysis for broad-banded quadratic frequency modulated (QFM) signals using generalised time–frequency transform (GTFT) is presented by extending the conventional fractional Fourier transform (FrFT). As FrFT is constrained to the analysis of linear

This paper proposes a 4:1 Multiplexer (MUX) designed using proposed Dual Chirality High-Speed Noise Immune Domino Logic (DCHSNIDL) technique for designing lower delay noise immune domino logic circuits in Carbon Nanotube Field Effect Transistors (CNTFETs) technology. Dynamic power consumption, speed and noise immunity of the circuit are improved by changing the threshold voltage of the CNTFETs. The

This paper presents an effective fault diagnostic and tolerant method for an open-gate fault of a three-phase inverter. The induction motor (IM) drive system is controlled by a speed sensorless indirect rotor field-oriented control (IRFOC). The proposed diagnostic method requires low computation to detect open-gate faults. This method uses a simple direct current technique based on the measured motor

This paper presents a new expression for the capacitance model based on ligament efficiency. The parallel plate capacitance is the first component derived based on the percentage of ligament efficiency and the second component which is fringing field capacitance is the combination of both existing Yang’s fringing field developed by the perforations and Meji’s capacitance model developed for fringing

In this work, a low radar cross-section (RCS) dual-band with one band circularly polarized (CP) slot antenna consisting of an L-shaped metallic strip along with a combination of Split Ring Resonator (SRR) and complementary SRR (CSRR) is proposed. In the dual-band, one wideband operation is obtained by creating a wide slot in the ground plane of the antenna and a narrow band is achieved by loading the

Hierarchical architecture, in combination with static structure, is a productive approach to Wireless Sensor Networks (WSNs) scalability as well as efficiency. Sensor nodes, a dual-layer framework, are extensively explored for several scenarios. This paper demonstrates the proposed novel clustering methodology representing it as the Minimum Weight Low Energy Adaptive Clustering Hierarchy (MW-LEACH)

A modified fault-tolerant voltage source inverter fed induction motor drive to maintain normal operation during open-circuit or short-circuit of power devices is proposed. The proposed inverter topology consists of a single capacitor at dc-link to eliminate the voltage balancing issue in conventional fault-tolerant topology and a boost converter at the front end of inverter to operate the drive in

In this paper a new soft switching bidirectional dc-dc converter with high conversion ratio is proposed. In the proposed converter, soft switching condition is provided with only one auxiliary switch for both directions, which simplifies the structure of the converter. The switching in boost mode is under ZCS condition and in buck mode is under ZVS condition. In the proposed converter, all diodes turn

The existing modulation classification method using instantaneous features is poor for low SNRs, and the high-order cumulant features-based modulation recognition algorithm is only applicable to some types of communication modulation signals. To overcome these problems, we propose a mixed features-based modulation recognition algorithm, which refines instantaneous features and high-order cumulant feature

Equalization is one of the most important algorithms to improve the Bit-Error-Rate (BER) performance in communication systems. In general, equalization can be classified into two categories: linear and non-linear equalization. The linear equalizers include Zero Forcing (ZF), and Minimum Mean Square Error (MMSE) equalizers. The non-linear equalizers include ZF, and MMSE equalizers that are based on

In order to counteract the main lobe multi-false target jamming of radar, a blind source separation jamming suppression method based on channel ratio function is proposed. The cross-polarized auxiliary antenna is used to expand the receiving channel, and the blind signal processing method is used to separate the jamming from the target echo. This method utilizes the statistical characteristics of channel

In this paper, a grid-connected power conversion topology is developed to convert a DC power from the renewable energy into a high-quality AC power. This grid-connected power conversion topology consists of an asymmetric diode-clamped multi-level inverter (DCT-MLI) and a dual-output DC-DC power converter. The asymmetric DCT-MLI includes two diode-clamped arms, two DC capacitors, and a filter inductor

Dedicated hardware realisation of ‘Discrete Wavelet Transform’ (DWT) is highly demanded for real-time multimedia operations in any handheld gadgets, as DWT is a popular transform domain mathematical tool widely employed for many applications. Several DWT techniques exist in the literature assisting the software based DWT realizations which are inappropriate for any real-time operation. There also exists

A wideband voltage-controlled oscillator (VCO) with coupling reduction and small VCO gain ( Kvco) variation has been fabricated for multi-standard RF transceivers. A high quality factor 8-shaped inductor is adopted to reduce the magnetic coupling between inductors and optimize the phase noise of the VCO. Electromagnetic simulations of magnetic coupling are carried out between an octagonal inductor