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Technology, Systems and Applications (VLSI-TSA/VLSI-DAT), International VLSI Symposium on

作者： Yuan-Pang Huang Shen-Iuan Liu Department of Electrical Engineering Graduate Institute of Electronics Engineering National Taiwan University Taipei Taiwan

ISBN: (数字)9798350360349

ISBN: (纸本)9798350360356

A 48-Gb/s quarter-rate four-level pulse amplitude modulation receiver with a one-tap speculative decision-feedback equalizer and a baud-rate clock and data recovery circuit is presented. By using the time-based technique, 8 comparators and 4 time-based latches are used. The offset voltages of these comparators and the time-based latches are calibrated in the foreground. This chip is fabricated in a 40-nm CMOS process and the active area is 0.1232mm 2 . The power consumption is 85.08mW and the calculated energy efficiency is 1.77pJ/b.

关键词： Latches Power demand Receivers Detectors Very large scale integration CMOS process Decision feedback equalizers

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A 20-Gb/s Jitter-Tolerance-Enhanced Baud-Rate CDR Circuitwith One-Tap DFE

A 20-Gb/s Jitter-Tolerance-Enhanced Baud-Rate CDR Circuitwit...

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Technology, Systems and Applications (VLSI-TSA/VLSI-DAT), International VLSI Symposium on

作者： Hsi-Kai Peng Shen-Iuan Liu Department of Electrical Engineering Graduate Institute of Electronics Engineering National Taiwan University Taipei Taiwan

ISBN: (数字)9798350360349

ISBN: (纸本)9798350360356

A 20Gb/s baud-rate clock and data recovery (CDR) circuit with a one-tap speculative decision-feedback equalizer (DFE) is presented. To widen the timing region of the clock, a foreground calibration circuit is presented to calibrate the threshold voltage of the comparator. It enhances the jitter tolerance (JTOL). This CDR circuit is fabricated in 40-nm CMOS technology and its active area is 0.103mm 2 . The total power is 47.6mW and the calculated power efficiency is 2.38pJ/b at 20Gb/s. The measured high-frequency JTOL is larger than 0.2UI PP and the settling time of this calibration circuit is less than 12.7μs..

关键词： Art Very large scale integration Jitter CMOS technology Decision feedback equalizers Threshold voltage Calibration

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A 4th-Order CTDSM with PVT-Insensitive Inverter-Based OTAs

A 4th-Order CTDSM with PVT-Insensitive Inverter-Based OTAs

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Technology, Systems and Applications (VLSI-TSA/VLSI-DAT), International VLSI Symposium on

作者： Ming-Wei Kung Hsin-Shu Chen Department of Electrical Engineering Graduate Institute of Electronics Engineering National Taiwan University Taipei Taiwan

ISBN: (数字)9798350360349

ISBN: (纸本)9798350360356

This paper presents a 4th-order CTDSM with PVT-insensitive inverter-based OTAs. In order to make CTDSM adapted for technology migration, the inverter-based OTA is used in the loop filter, which is easier to scale with better linearity. An LDO that can automatically adjust the supply voltage is proposed to solve the PVT variation. With the replica inverter unit, the trip point of the inverter can be tracked. Therefore, the inverter-based OTA can have stable small-signal performance; eventually, the CTDSM has more than 70 dB over PVT. The prototype CTDSM has been fabricated in 28-nm CMOS technology. It achieves 72.22-dB SNR and 71.92-dB SNDR over the bandwidth of 1 MHz and consumes 0.4mW at a 0.7V supply.

关键词： Prototypes Linearity Voltage Bandwidth Very large scale integration CMOS technology Inverters

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Supervisory Control and Simulation of Boiler Drum Water Level 6

Supervisory Control and Simulation of Boiler Drum Water Leve...

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6th IEEE International Conference on Advanced Systems and Emergent Technologies, IC_ASET 2023

作者： Abougarair, Ahmed J. Amhathib, Alhsayn A. Elmezughi, Mohamed K. Almaktoof, Ali M. University of Tripoli Electrical and Electronics Engineering Tripoli Libya Libyan Academy for Graduate Study Electrical and Computrer Engineering Tripoli Libya Eece Department Durban South Africa Cape Peninsula University of Technology Eece Department Cape Town South Africa

ISBN: (纸本)9798350321029

This paper represents an approach for describing the design and implementation data logging and supervisory control for the boiler drum water level control strategy such two element strategies controlled by control methods and all this using LabVIEW software. Where the total block diagram for control strategies of boiler drum level is obtained using the deriving of mathematical modeling for boiler drum and specific assumptions. Also, this paper provides the knowledge about the control methods such as feedback plus feed forward controller and the various PID controller design methods such as Ziegler-Nichol method, Internal Model Control were implemented on boiler drum control system. Comparative study is made on the performance of the control methods according to steady state error, settling time and peak overshoot. In order to achieve stable performance, set point tracking, and disturbance rejection, a PID controller with an Internal Model Control (IMC) basis was implemented for the level control application, and the results are presented in this work. Finally, the LabVIEW program of data logging and supervisory control two element strategy. © 2023 IEEE.

关键词： Disturbance rejection

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Performance Analysis of OFDM-IM Systems over Generalized \eta-\mu Fading Channels 2

Performance Analysis of OFDM-IM Systems over Generalized \et...

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2nd International Conference on Next Generation Intelligent Systems, ICNGIS 2022

作者： Lafci, Mustafa Ceniklioglu, Busra Canbilen, Ayse Elif Develi, Ibrahim Graduate School of Natural and Applied Sciences Erciyes University Kayseri Turkey Nuh Naci Yazgan University Electrical and Electronics Engineering Department Kayseri Turkey Konya Technical University Electrical and Electronics Engineering Department Konya Turkey Erciyes University Electrical and Electronics Engineering Department Kayseri Turkey

ISBN: (纸本)9781665467926

In this paper, average bit error rate (ABER) performance of an orthogonal frequency division multiplexing with index modulation (OFDM-IM) system, which is a strong transmission technology candidate for next-generation networks, has been analyzed over generalized fading models, namely eta-mu (\eta-\mu) and kappa-mu (\kappa-\mu) fading channels. These models have the advantage of simple algebraic notation, line-of-sight (LOS) and non-line-of-sight (NLOS) propagation effects. The \kappa-\mu fading channel model is a LOS distribution, that includes the Nakagami-m and the Rice (Nakagami-n) distributions. Similarly, the special cases of \eta-\mu fading channel model are Hoyt, Rayleigh, Nakagami-m and One-sided Gaussian distributions. The effect of \eta-\mu and \kappa-\mu fading channel characteristics on the ABER performance of OFDM-1M systems was shown via computer simulations. © 2022 IEEE.

关键词： Orthogonal frequency division multiplexing

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Precision Agriculture Revolutionized: UAV-Based Detection of Leaffolders and Stem Borers in Ricefields using EfficientNetB1 24

Precision Agriculture Revolutionized: UAV-Based Detection of...

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24th International Symposium INFOTEH-JAHORINA, INFOTEH 2025

作者： Ylaya, Vrian Jay Surigao del Norte State University PhEdD MIE-Graduate School Department of Electronics and Electrical Engineering-CEIT SDN Surigao City Philippines

ISBN: (纸本)9798331515799

The need for efficient pest management in rice cultivation is crucial due to the significant damage caused by pests like leaffolders and stem borers. Conventional manual inspection and sensory detection methods are labor-intensive and often inaccurate, leading to delayed and ineffective pest control measures. This study developed a system that uses unmanned areal vehicle (UAV) and machine learning algorithms to track the leaffolder and stem borer in rice fields. This system allows farmers to track the leaffolder and stem borer effectively and reliably without physically inspecting their entire field to determine the percentage affected by leaffolder and stem borer in the ricefield. Results indicate varying degrees of performance across different machine learning algorithms, with Convolutional Neural Network (CNN), consistently demonstrating superior accuracy, notably achieving 90.89% accuracy with EfficientNetB1. SVMs also exhibit commendable performance, excelling in complex decision frontier description. Decision trees, random forests, and transfer learning present nuanced performance characteristics, each offering unique strengths and limitations. The developed system tracked the disease between 73.22% and 90.89% using five groups with five tests per group. This study demonstrates the system's effectiveness and opens avenues for further research and application in other areas of precision agriculture. © 2025 IEEE.

关键词： Drones

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electrical Characteristic and Power Fluctuations of GAA Si NS CFETs by Simultaneously Considering Six Process Variation Factors

IEEE Open Journal of Nanotechnology

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IEEE Open Journal of Nanotechnology 2023年 4卷 229-238页

作者： Kola, Sekhar Reddy Li, Yiming National Yang Ming Chiao Tung University Parallel and Scientific Computing Laboratory Electrical Engineering and Computer Science International Graduate Program Hsinchu300093 Taiwan Parallel and Scientific Computing Laboratory National Yang Ming Chiao Tung University Hsinchu300093 Taiwan National Yang Ming Chiao Tung University Institute of Communications Engineering Hsinchu300093 Taiwan National Yang Ming Chiao Tung University Institute of Biomedical Engineering Hsinchu300093 Taiwan National Yang Ming Chiao Tung University Department of Electronics and Electrical Engineering Hsinchu300093 Taiwan

Characteristic variability induced by process variation effect (PVE) is one of technological challenges in semiconductor industry. In this work, we computationally study electrical characteristic and power fluctuations induced by six factors of PVE of the gate-all-around (GAA) silicon (Si) nanosheet (NS) complementary field-effect-transistors (CFETs) which are formed by vertically stacking n-FET on top of p-FET. Among the six factors, NS thickness (TNS), NS width (WNS), and gate length (LG) are identified as crucial factors contributing to large variations in device characteristics. The p-FET exhibits substantial off-state current fluctuation (about 151%) due to the bottom parasitic channel leakages. Compared with the magnitudes of dynamic and short circuit powers, the static power is marginal, but it possesses the largest fluctuation (up to 148%). If we assume that each factor of PVE has the same probability distribution as the others and all are mutually independent, the statistical sum of their power fluctuations will exhibit more than 50% overestimations, compared with the results when all factors are considered simultaneously. © 2020 IEEE.

关键词： III-V semiconductors

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Extended Embedded Depth Using Cascaded Resonators Near-field WPT System with High Efficiency for Biomedical Implants

Extended Embedded Depth Using Cascaded Resonators Near-field...

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2023 IEEE/MTT-S International Microwave Symposium, IMS 2023

作者： Aboualalaa, Mohamed Pokharel, Ramesh K. Kaho, Takana Kyushu University Graduate School of Information Science and Electrical Engineering Japan Electronics Research Institute Microstrip Department Egypt Shonan Institute of Technology Japan

ISBN: (纸本)9798350347647

A novel multiple cascaded resonators wireless power transfer (WPT) design is proposed to provide an extended implanted depth for biomedical implants. Symmetrical four cascaded resonators are utilized in Tx/Rx to obtain high power transfer efficiency (PTE);each resonator consists of two concentric rectangular loops. KQ-product is calculated for a single resonator and compared with the four resonators WPT;four cascaded resonators achieve higher KQ-product value and produce a maximum measured PTE of 89.5% at a transfer distance of 20 mm. Then, the proposed WPT is tested with human tissue to provide a measured PTE of 76% and 63% at a transfer distance of 15 and 20mm, respectively. Specific absorption rate (SAR) is calculated to estimate the maximum operating power of the source and receiver that guarantees working within the safety standard levels of RF exposure. © 2023 IEEE.

关键词： Resonators

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Design and Optimization of a Renewable Energy Microgrid System

SSRN

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SSRN 2024年

作者： Aykut, Ercan Al-Juboori, Mustafa Faisal Ali Istanbul Gelisim University Institute of Graduate Studies Electrical–Electronics Engineering Department Turkey Istanbul Gelisim University Faculty of Engineering and Architecture Electrical–Electronics Engineering Department Turkey

This research presents a comprehensive analysis of an Energy Management System (EMS) implemented in a Microgrid (MG) to optimize power balance modes in three phase inverter system and enhance power quality. Utilizing MATLAB/Simulink software for simulation, the study incorporates a bidirectional DC/DC converter controlled by the EMS algorithm with a Proportional-Integral (PI) loop. The DC-link microgrid integrates a solar (PV) generator, battery storage, and inverter, ensuring efficient power distribution The usual load of the system is 200kW in fixed cases and (100kW to 200kW) in variable load demand cases, and the irradiation is assumed to be from 0W/m2 to 1000W/m2. The proposed system employs a multi-agent power system to simulate a microgrid and implements a multi-agent system for grid-interconnected stages. By focusing on dissimilar power balance modes and dynamic grid power, the EMS algorithm dynamically adjusts to solar availability, battery state, and grid power. Power balance options are defined based on supply, storage system, and grid mobility, optimizing energy consumption, extending storage life, and delivering reliable power to meet varying load demands. The EMS emphasizes the effectiveness of the two-stage microgrid control system (DC-DC and DC-AC) in control mechanisms with MPPT algorithm, PI controller, bidirectional converter, and seamless transition between power balance modes contribute to an adaptive and efficient microgrid operation. © 2024, The Authors. All rights reserved.

关键词： Solar energy

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AV Navigation in 3D Urban Environments with Curriculum-based Deep Reinforcement Learning

AV Navigation in 3D Urban Environments with Curriculum-based...

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2023 International Conference on Unmanned Aircraft Systems, ICUAS 2023

作者： Braathen De Carvalho, Kevin De Oliveira, Iure Rosa L. Brandao, Alexandre S. Universidade Federal de Viçosa Nucleus of Specialization in Robotics Department of Electrical Engineering Graduate Program in Computer Science MG Viçosa36570-900 Brazil Federal University of Viçosa Department of Electrical Engineering MG Viçosa Brazil

ISBN: (纸本)9798350310375

Unmanned Aerial Vehicles (UAVs) are widely used in various applications, from inspection and surveillance to transportation and delivery. Navigating UAVs in complex 3D environments is a challenging task that requires robust and efficient decision-making algorithms. This paper presents a novel approach to UAV navigation in 3D environments using a Curriculum-based Deep Reinforcement Learning (DRL) approach. The proposed method utilizes a deep neural network to model the UAV's decision-making process and to learn a mapping from the state space to the action space. The learning process is guided by a reinforcement signal that reflects the performance of the UAV in terms of reaching its target while avoiding obstacles and with energy efficiency. Simulation results show that the proposed method has a positive trade off when compared to the baseline algorithm. The proposed method was able to perform well in environments with a state space size of 22 millions, allowing the usage in big environments or in maps with high resolution. The results demonstrate the potential of DRL for enabling UAVs to operate effectively in complex environments. © 2023 IEEE.

关键词： Reinforcement learning

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