Results 81 to 90 of about 16,047 (248)

Estimacija stanja u elektroenergetskom sistemu sa PMU uređajima i maliciozni napad injektiranjem loših merenja i njegova detekcija

Energija, Ekonomija, Ekologija
Ovaj rad istražuje značaj primene metode estimacije stanja u elektroenergetskim sistemima, posebno fokusirajući se na ulogu PMU (Phasor Measurement Unit) uređaja. Prikazane su osnovni principi i prednosti estimatora stanja u odsustvu PMU merenja, a zatim
Vladimir Bečejac, Miloš Đorđević, Nemanja Jelenić, Mihajlo Marković, Miloš Mosurović   +4 more
doaj   +1 more source

Bad Data Detection Algorithm for PMU Based on Spectral Clustering

Journal of Modern Power Systems and Clean Energy, 2020
Phasor measurement units (PMUs) can provide real-time measurement data to construct the ubiquitous electric of the Internet of Things. However, due to complex factors on site, PMU data can be easily compromised by interference or synchronization jitter ...
Zhiwei Yang, Hao Liu, Tianshu Bi, Qixun Yang   +3 more
doaj   +1 more source

Hybrid clustering‐based bad data detection of PMU measurements

Energy Conversion and Economics, 2021
Phasor measurement units (PMUs) have been widely deployed in power grids, while the bad PMU data problem threatens power system monitoring and control. This paper first gives the objective of the bad PMU data detection and gives an illustrative bad data ...
Yanming Zhu, Xiaoyuan Xu, Zheng Yan
doaj   +1 more source

Enhanced Resistive Switching Uniformity in Tantalum Oxide Memristor Devices via Copper Implantation

Advanced Electronic Materials, EarlyView.
Metal oxide memristor devices typically suffer from uncontrolled forming processes and limited resistive switching uniformity due to the stochastic formation of an oxygen vacancy filament. Improved resistive switching uniformity in Ta2O5 memristor is developed by Cu implantation in the switching oxide.
Shaochuan Chen, Ilia Valov
wiley   +1 more source

Ion‐Gating Reservoir Computing for Preprocessing‐Free Speech Recognition from Throat Vibrations

Advanced Electronic Materials, EarlyView.
This work presents a throat‐mounted mechanoelectric sensor integrated with an ion‐gel/graphene reservoir device for on‐device speech recognition. The system converts raw biomechanical vibrations into rich nonlinear current dynamics, enabling efficient classification through a simple linear readout. The approach highlights a compact and tunable physical‐
Daiki Nishioka, Akito Tateyama, Hina Kitano, Takashi Nakanishi, Kazuya Terabe, Takashi Tsuchiya   +5 more
wiley   +1 more source

Influence of Top Electrode Metal on Resistive Switching in Multilayer MOCVD MoS2 Memristors

Advanced Electronic Materials, EarlyView.
MoS2 memristors typically use evaporated noble metal electrodes. This study compares Pd, Ni, and Al electrodes and sputtered versus evaporated deposition. Pd is passive, while Ni damages MoS2, yielding poor switching. Sputtered Al enables reproducible ECM‐type switching with 95% yield, whereas evaporated Al forms an interfacial oxide that suppresses ...
Dennis Braun, Jing Liu, Vasilis A. Maroufidis, Hleb Fiadziushkin, Lukas Völkel, Jimin Lee, Sofía Cruces, Annika Grundmann, Ke Ran, Thorsten Wahlbrink, Holger Kalisch, Andrei Vescan, Joachim Mayer, Michael Heuken, Alwin Daus, Max C. Lemme   +15 more
wiley   +1 more source

Determining the Relationship Between Composition, Structure, and Device Properties of GexSe1‐x‐Based Selector‐Only Memory

Advanced Electronic Materials, EarlyView.
Composition‐dependent structural evolution in GeXSe1‐X selector‐only memory (SOM) is correlated with device switching behavior. Increasing Ge strengthens network rigidity, suppresses atomic motion, and stabilizes threshold switching, while narrowing the memory window. The revealed structure–property relationship provides a guideline for compositionally
Tien Anh Nguyen, Changdeok Han, Dipannita Ghosh, Suyong Chae, Moongyu Choi, Sanghyun Ban, Myoungsub Kim, Sangmin Yoo, Seung Hwan Lee, Sieun Chae   +9 more
wiley   +1 more source

Printed Wearable Sweat Rate Sensor for Continuous In Situ Perspiration Measurement

Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.
A wireless wearable sweat rate sensor system is presented, featuring digital 3D direct‐write printing on a flexible substrate with microfluidic layers for continuous, real‐time monitoring. Printed encapsulated metal electrodes are used for capacitance measurements, achieving high sensitivity (0.01 μL min−1) while maintaining a compact and lightweight ...
Mohammad Shafiqul Islam, Sangwon Cha, Md Farhad Hassan, Wenxin Cai, Tahsin Sejat Saniat, Cedar Rose Leach, Yasser Khan   +6 more
wiley   +1 more source

Analysis of three types of resistance gene analogs in PmU region from Triticum urartu

Journal of Integrative Agriculture, 2018
Resistance gene analog (RGA) screening of mapped disease-resistant genes not only helps to clone these genes but also helps to develop efficient molecular markers for resistance breeding.
Lei ZHANG, Xing-wei ZHENG, Lin-yi QIAO, Ling QIAO, Jia-jia ZHAO, Jian-ming WANG, Jun ZHENG   +6 more
doaj   +1 more source

Research on the method of optimal PMU placement

International Journal of Online and Biomedical Engineering (iJOE), 2013
Taking the full network observability of power system and the least number of PMU as objective, to appearing fault situation in the grid, this paper proposes Differential Evolution and Particle Swarm Optimization (DEPSO) algorithm in view of the system failure rate. The improved DEPSO algorithm is global optimization,
Jian-Jun Xu, Yanchao Xu, Li-mei Yan, Hailong Zhao, Zhigang Sun, Lili Bai, Mingxia Xie   +6 more
openaire   +2 more sources