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153 Results Found

  • Article
  • Open Access
12 Citations
5,463 Views
17 Pages

23 August 2022

Hydraulic structures installed in rivers inevitably create a water level difference between upstream and downstream regions. The potential energy due to this difference in water level is converted into kinetic energy, causing high-velocity flow and h...

  • Article
  • Open Access
1 Citations
3,724 Views
18 Pages

9 November 2020

Air entrainment at the intake of a bottom outlet often gives rise to air pockets in its conduit and formation of geysers. The outlet in question comprises a bulkhead gate, gate shaft, horizontal conduit, and exit. Operations show that it suffers from...

  • Article
  • Open Access
8 Citations
4,659 Views
23 Pages

11 November 2021

This paper presents a new field-effect sensor called open-gate junction gate field-effect transistor (OG-JFET) for biosensing applications. The OG-JFET consists of a p-type channel on top of an n-type layer in which the p-type serves as the sensing c...

  • Article
  • Open Access
3 Citations
1,925 Views
26 Pages

21 October 2024

Hydraulic structures, such as movable weir gates, are widely installed in rivers and streams for various purposes. Among these is the rising sector gate, which is the focus of this study. This research investigated how different gate openings affect...

  • Article
  • Open Access
995 Views
16 Pages

Experimental Study of Liquid and Gas Gate Valve Internal Leakage Testing Based on Ultrasonic Signal

  • Tingwei Wang,
  • Xinjia Ma,
  • Shiqiang Zhang,
  • Qiang Feng,
  • Xiaomei Xiang and
  • Hui Xia

21 September 2025

This study presents an experimental analysis of high-pressure liquid and gas gate valve leakage under multiple operating conditions, based on the variation patterns of ultrasonic signals. Focusing on a multi-physics field analysis of gate valve inter...

  • Article
  • Open Access
11 Citations
6,183 Views
7 Pages

Double-Gate Two-Step Source/Drain Poly-Si Thin-Film Transistor

  • Feng-Tso Chien,
  • Chih-Ping Hung,
  • Hsien-Chin Chiu,
  • Tsung-Kuei Kang,
  • Ching-Hwa Cheng and
  • Yao-Tsung Tsai

A current improved and electric field reduced double-gate (DG) polycrystalline silicon thin-film transistor with two-step source/drain (DGTSD-TFT) design is proposed and demonstrated in this study. The two-step source/drain (TSD) design, which consis...

  • Review
  • Open Access
48 Citations
13,726 Views
23 Pages

Degradation Mechanisms for GaN and GaAs High Speed Transistors

  • David J. Cheney,
  • Erica A. Douglas,
  • Lu Liu,
  • Chien-Fong Lo,
  • Brent P. Gila,
  • Fan Ren and
  • Stephen J. Pearton

27 November 2012

We present a review of reliability issues in AlGaN/GaN and AlGaAs/GaAs high electron mobility transistors (HEMTs) as well as Heterojunction Bipolar Transistors (HBTs) in the AlGaAs/GaAs materials systems. Because of the complex nature and multi-facet...

  • Article
  • Open Access
39 Citations
7,899 Views
17 Pages

Investigation of 1200 V SiC MOSFETs’ Surge Reliability

  • Huan Li,
  • Jue Wang,
  • Na Ren,
  • Hongyi Xu and
  • Kuang Sheng

18 July 2019

In this work, the surge reliability of 1200 V SiC metal-oxide-semiconductor field-effect transistors (MOSFETs) from various manufactures has been investigated in the reverse conduction mode. The surge current tests have been carried out in the channe...

  • Article
  • Open Access
20 Citations
5,721 Views
12 Pages

A Hardware Pseudo-Random Number Generator Using Stochastic Computing and Logistic Map

  • Junxiu Liu,
  • Zhewei Liang,
  • Yuling Luo,
  • Lvchen Cao,
  • Shunsheng Zhang,
  • Yanhu Wang and
  • Su Yang

30 December 2020

Recent research showed that the chaotic maps are considered as alternative methods for generating pseudo-random numbers, and various approaches have been proposed for the corresponding hardware implementations. In this work, an efficient hardware pse...

  • Article
  • Open Access
8 Citations
4,961 Views
24 Pages

16 February 2018

We present herein a novel method of bipolar field-effect control on DC electroosmosis (DCEO) from a physical point of view, in the context of an intelligent and robust operation tool for stratified laminar streams in microscale systems. In this uniqu...

  • Communication
  • Open Access
4 Citations
3,765 Views
14 Pages

A Wideband Noise Radar System Using a Phased Array with True Time Delay

  • Eunhee Kim,
  • In-kyu Kim,
  • Seungsu Han,
  • Jaemin Lee and
  • Sang-jin Shin

8 September 2022

Noise radar has become attractive owing to progress in hardware technology. Aside from the low probability of exploitation, the use of noise waveform is likely to grow due to its low interference features, especially in circumstances where multiple r...

  • Article
  • Open Access
4 Citations
4,740 Views
15 Pages

10 September 2020

We investigated the effects of various high-k gate dielectrics as well as microwave annealing (MWA) calcination and a postcalcination oxygen plasma treatment on the electrical properties and stability of electrospun indium gallium zinc oxide (IGZO)-n...

  • Article
  • Open Access
2 Citations
7,017 Views
17 Pages

This paper presents a low-latency streaming on-device automatic speech recognition system for inference. It consists of a hardware acoustic model implemented in a field-programmable gate array, coupled with a software language model running on a smar...

  • Article
  • Open Access
14 Citations
5,602 Views
19 Pages

29 September 2015

Details are given in the paper of the refinement of a three-dimensional layer integrated turbulence model and its application to a scaled physical model of a reservoir, named Hamidieh Reservoir, in Iran. The strong turbulent flows generated in this r...

  • Article
  • Open Access
17 Citations
17,599 Views
20 Pages

15 June 2020

This paper describes the design, implementation, and testing of a novel multi-function software defined Radio Frequency (RF) system designed for small airborne drone applications. The system was created using an inexpensive Field Programmable Gate Ar...

  • Article
  • Open Access
4 Citations
2,256 Views
20 Pages

Dynamic Management of Urban Coastal Traffic and Port Access Control

  • Konstantina P. Marousi and
  • Yorgos J. Stephanedes

13 October 2023

Urban traffic congestion and vehicle/passenger port recurring delays are major obstacles of coastal urban area sustainability. Most research in coastal urban road management has focused on congestion detection without the effective integration of the...

  • Article
  • Open Access
3 Citations
5,454 Views
15 Pages

Design of Nanosecond Pulse Laser Diode Array Driver Circuit for LiDAR

  • Chengming Li,
  • Min Tao,
  • Haolun Du,
  • Ziming Wang and
  • Junfeng Song

19 October 2024

The pulse laser emission circuit plays a crucial role as the emission unit of time-of-flight (TOF) LiDAR. This paper proposes a nanosecond-level pulse laser diode array drive circuit for LiDAR, primarily aimed at addressing the issue of high-speed sc...

  • Article
  • Open Access
9 Citations
3,360 Views
22 Pages

A Switched Reluctance Motor Drive Controller Based on an FPGA Device with a Complex PID Regulator

  • Krzysztof Tomczewski,
  • Krzysztof Wrobel,
  • Daniel Rataj and
  • Grzegorz Trzmiel

5 March 2021

This paper presents a proposal for a new type of regulator for switched reluctance motor (SRM) drives. The proposed regulator enables a significant extension of the rotational speed range and drive output power. This regulator is characterized by a c...

  • Article
  • Open Access
6 Citations
1,715 Views
16 Pages

Testing and Numerical Analysis of Abnormal Pressure Pulsations in Francis Turbines

  • Lu Jia,
  • Yongzhong Zeng,
  • Xiaobing Liu,
  • Wanting Huang and
  • Wenzhuo Xiao

2 January 2024

During the flood season, Francis turbines often operate under low-head and full-load conditions, frequently experiencing significant pressure pulsations, posing potential threats to the safe and stable operation of the units. However, the factors con...

  • Article
  • Open Access
3 Citations
3,661 Views
11 Pages

Quantum Power Electronics: From Theory to Implementation

  • Meysam Gheisarnejad and
  • Mohammad-Hassan Khooban

While impressive progress has been already achieved in wide-bandgap (WBG) semiconductors such as 4H-SiC and GaN technologies, the lack of intelligent methodologies to control the gate drivers has prevented exploitation of the maximum potential of sem...

  • Article
  • Open Access
3 Citations
4,502 Views
16 Pages

The paper presents the concept, implementation, and test operation of a modernized solar radio spectrograph for an investigation of the solar emission and solar bursts in radio frequency bands. Besides having a strong diagnostic significance for stud...

  • Article
  • Open Access
3,538 Views
12 Pages

Insight into over Repair of Hot Carrier Degradation by GIDL Current in Si p-FinFETs Using Ultra-Fast Measurement Technique

  • Hao Chang,
  • Guilei Wang,
  • Hong Yang,
  • Qianqian Liu,
  • Longda Zhou,
  • Zhigang Ji,
  • Ruixi Yu,
  • Zhenhua Wu,
  • Huaxiang Yin and
  • Wenwu Wang
  • + 4 authors

3 April 2023

In this article, an experimental study on the gate-induced drain leakage (GIDL) current repairing worst hot carrier degradation (HCD) in Si p-FinFETs is investigated with the aid of an ultra-fast measurement (UFM) technique (~30 μs). It is found t...

  • Article
  • Open Access
1 Citations
1,912 Views
20 Pages

6 September 2024

This paper presents the design of a predictive controller for a boost converter and validation through real-time simulation. First, the boost converter was mathematically modeled, and then the electronic components were designed to meet the operation...

  • Article
  • Open Access
13 Citations
5,858 Views
15 Pages

29 November 2018

An accelerometer utilising the optomechanical coupling between an optical whispering gallery mode (WGM) resonance and the motion of the WGM cavity itself was prototyped and field-tested on a vehicle. We describe the assembly of this portable, battery...

  • Article
  • Open Access
38 Citations
7,215 Views
14 Pages

Fluorogenic RNA Aptamers: A Nano-platform for Fabrication of Simple and Combinatorial Logic Gates

  • Victoria Goldsworthy,
  • Geneva LaForce,
  • Seth Abels and
  • Emil F. Khisamutdinov

28 November 2018

RNA aptamers that bind non-fluorescent dyes and activate their fluorescence are highly sensitive, nonperturbing, and convenient probes in the field of synthetic biology. These RNA molecules, referred to as light-up aptamers, operate as molecular nano...

  • Article
  • Open Access
5 Citations
4,850 Views
21 Pages

A Novel ON-State Resistance Modeling Technique for MOSFET Power Switches

  • Ionuț-Constantin Guran,
  • Adriana Florescu and
  • Lucian Andrei Perișoară

25 December 2022

Nowadays, electronic circuits’ time to market is essential, with engineers trying to reduce it as much as possible. Due to this, simulation has become the main testing concept used in the electronics domain. In order to perform the simulation o...

  • Article
  • Open Access
5 Citations
4,710 Views
24 Pages

30 August 2018

Based on the standardization in the automotive industry, systems require extensive testing, which represents significant costs regarding personnel and equipment. The testing systems must be built in such a way that a bidirectional power flow is possi...

  • Article
  • Open Access
4 Citations
2,651 Views
18 Pages

A High-Performance FPGA PRNG Based on Multiple Deep-Dynamic Transformations

  • Shouliang Li,
  • Zichen Lin,
  • Yi Yang and
  • Ruixuan Ning

7 August 2024

Pseudo-random number generators (PRNGs) are important cornerstones of many fields, such as statistical analysis and cryptography, and the need for PRNGs for information security (in fields such as blockchain, big data, and artificial intelligence) is...

  • Article
  • Open Access
7 Citations
3,568 Views
18 Pages

A Thorough Evaluation of GaN HEMT Degradation under Realistic Power Amplifier Operation

  • Gianni Bosi,
  • Antonio Raffo,
  • Valeria Vadalà,
  • Rocco Giofrè,
  • Giovanni Crupi and
  • Giorgio Vannini

In this paper, we experimentally investigate the effects of degradation observed on 0.15-µm GaN HEMT devices when operating under realistic power amplifier conditions. The latter will be applied to the devices under test (DUT) by exploiting a l...

  • Article
  • Open Access
1,191 Views
16 Pages

Research on Layered Fertilization Method of Fertilizer Applicator and Optimization of Key Parameters

  • Yabo Zhang,
  • Tongxi Li,
  • Dong Zhang,
  • Xiuwen Fan,
  • Hong Zhang and
  • Hao Niu

3 September 2025

To address the challenges of layered fertilization in orchards and the lack of dedicated equipment, this study proposes a layered fertilization technique based on the three-dimensional distribution characteristics of jujube root systems and develops...

  • Article
  • Open Access
4 Citations
1,535 Views
21 Pages

29 March 2024

When a sluice gate is arranged in parallel with pumping station units, biased flow occurs in the forebay when the units are operating. The transverse flow velocity in front of the channel inlet is relatively high, and, in severe cases, it may lead to...

  • Article
  • Open Access
7 Citations
3,164 Views
20 Pages

21 May 2020

In this paper, a nonlinear observer is proposed for the estimation of the current ripple in a ferrite-core inductor working in partial saturation, mounted on a boost converter. The estimator is based on a recently proposed nonlinear inductance model,...

  • Letter
  • Open Access
6 Citations
3,751 Views
13 Pages

MongoDB Database as Storage for GPON Frames

  • Martin Holik,
  • Tomas Horvath,
  • Vaclav Oujezsky,
  • Petr Munster,
  • Adrian Tomasov and
  • Sobeslav Valach

30 October 2020

This work is focused on creating an open-source software-based solution for monitoring traffic transmitted through gigabit passive optical network. In this case, the data are captured by the field-programmable gate array (FPGA) card and reassembled u...

  • Article
  • Open Access
4 Citations
4,213 Views
22 Pages

Failure Characterization of Discrete SiC MOSFETs under Forward Power Cycling Test

  • Tianqi Huang,
  • Bhanu Pratap Singh,
  • Yongqian Liu and
  • Staffan Norrga

24 May 2024

Silicon carbide (SiC)-based metal–oxide–semiconductor field-effect transistors (MOSFETs) hold promising application prospects in future high-capacity high-power converters due to their excellent electrothermal characteristics. However, as...

  • Article
  • Open Access
1 Citations
2,195 Views
17 Pages

27 September 2023

This paper presents the architecture and field-programmable gate array (FPGA) implementation of a 32-bit central processing unit (CPU) dedicated to programmable logic controllers (PLCs). The CPU instruction set directly matches the instructions of th...

  • Article
  • Open Access
5 Citations
2,062 Views
13 Pages

This paper addresses the problem of real-time onboard routing for dynamic low earth orbit (LEO) satellite networks. It is difficult to apply general routing algorithms to dynamic LEO networks due to the frequent changes in satellite topology caused b...

  • Article
  • Open Access
1 Citations
1,678 Views
13 Pages

Nonvolatile Organic Floating-Gate Memory Using N2200 as Charge-Trapping Layer

  • Wenting Zhang,
  • Junliang Shang,
  • Shuang Li,
  • Hu Liu,
  • Mengqi Ma and
  • Dongping Ma

20 February 2025

In this work, floating-gate organic field-effect transistor memory using the n-type semiconductor poly-{[N,N′-bis(2-octyldodecyl) naphthalene-1,4,5,8-bis (dicarbo- ximide)-2,6-dili]-alt-5,5′-(2,2′-bithiophene)} (N2200) as a charge-t...

  • Article
  • Open Access
22 Citations
7,408 Views
18 Pages

22 January 2019

We describe the integration of techniques and technologies to develop a Point-of-Care for molecular diagnosis PoC-MD, based on a fluorescence lifetime measurement. Our PoC-MD is a low-cost, simple, fast, and easy-to-use general-purpose platform, aime...

  • Article
  • Open Access
21 Citations
4,237 Views
9 Pages

12 March 2020

Polymer-ceramic dielectric composites have been of great interest because they combine the processability of polymers with the desired dielectric properties of the ceramics. We fabricated a low voltage-operated flexible organic field-effect transisto...

  • Article
  • Open Access
2 Citations
1,525 Views
20 Pages

In order to solve the testing and verification problems at the early development stage of a high-speed Maglev positioning and speed measurement system (MPSS), a hardware-in-the-loop (HIL) simulation platform is presented, which includes induction loo...

  • Article
  • Open Access
1 Citations
3,141 Views
11 Pages

GERARD: GEneral RApid Resolution of Digital Mazes Using a Memristor Emulator

  • Pablo Dopazo,
  • Carola de Benito,
  • Oscar Camps,
  • Stavros G. Stavrinides and
  • Rodrigo Picos

30 December 2021

Memristive technology is a promising game-changer in computers and electronics. In this paper, a system exploring the optimal paths through a maze, utilizing a memristor-based setup, is developed and concreted on a FPGA (field-programmable gate array...

  • Article
  • Open Access
54 Citations
8,078 Views
14 Pages

Real-Time Underwater Image Recognition with FPGA Embedded System for Convolutional Neural Network

  • Minghao Zhao,
  • Chengquan Hu,
  • Fenglin Wei,
  • Kai Wang,
  • Chong Wang and
  • Yu Jiang

16 January 2019

The underwater environment is still unknown for humans, so the high definition camera is an important tool for data acquisition at short distances underwater. Due to insufficient power, the image data collected by underwater submersible devices canno...

  • Article
  • Open Access
1,361 Views
27 Pages

The Impact of Computational Accuracy on the Quality of Direct Drive Control

  • Grzegorz Góra,
  • Maciej Petko,
  • Konrad Gac,
  • Jakub Górski,
  • Joanna Iwaniec,
  • Michał Mańka and
  • Wojciech Zabierowski

One of the main aspects of the control system development process for direct drives is the selection of the required computational accuracy while establishing its impact on the quality of the control. Understanding this relationship allows designers...

  • Article
  • Open Access
1 Citations
2,120 Views
16 Pages

28 December 2024

In this paper, we propose a method to enhance the performance of a random number generator (RNG) that exploits ring oscillators (ROs). Our approach employs additional phase detectors to extract more entropy; thus, RNG uses fewer resources to produce...

  • Proceeding Paper
  • Open Access
2 Citations
1,505 Views
9 Pages

12 September 2020

This research aims to test the feasibility of a prototype of a newly designed thermal engine for a hybrid propulsion vehicle. This study consists of the implementation of an innovative supercharger for city car ICE (900 cc). The preliminary proposal...

  • Article
  • Open Access
5 Citations
4,187 Views
17 Pages

24 November 2018

Cardiovascular diseases are the leading cause of death worldwide. Due to advancements facilitating the integration of electric and adhesive technologies, long-term patch electrocardiogram (ECG) monitors (PEMs) are currently used to conduct daily cont...

  • Article
  • Open Access
5 Citations
7,503 Views
22 Pages

24 February 2012

A high-speed dual super-systolic core for reconstructive signal processing (SP) operations consists of a double parallel systolic array (SA) machine in which each processing element of the array is also conceptualized as another SA in a bit-level fas...

  • Article
  • Open Access
1 Citations
4,197 Views
13 Pages

RETRACTED: Express Data Processing on FPGA: Network Interface Cards for Streamlined Software Inspection for Packet Processing

  • Sunkari Pradeep,
  • Yogesh Kumar Sharma,
  • Chaman Verma,
  • Gutha Sreeram and
  • Panugati Hanumantha Rao

Modern computers’ network interface cards (NICs) are undergoing changes in order to handle greater data rates and assist with scaling problems caused by general-purpose CPU technology. The inclusion of programmable accelerators to the NIC’s data chan...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,256 Views
10 Pages

The development of digital technologies is in many ways associated with an improvement of integrated technologies, microelectronic components, and the capabilities of hardware acceleration of the most computationally complex operations. Field-program...

  • Article
  • Open Access
42 Citations
9,238 Views
13 Pages

15 February 2023

As a key field in music information retrieval, music emotion recognition is indeed a challenging task. To enhance the accuracy of music emotion classification and recognition, this paper uses the idea of inception structure to use different receptive...

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