Results 131 to 140 of about 7,157 (269)

PowerGPT‐R1: Vision‐Language Reinforcement Fine‐Tuning With Verifiable Reward for Power Inspection

High Voltage, EarlyView.
ABSTRACT Vision‐driven intelligent power inspection systems have long faced the challenge of scarce high‐quality datasets in specialised domains, leading to limited performance of traditional deep learning methods (e.g., Faster‐RCNN) in few‐shot learning scenarios. Recent breakthroughs in language models, particularly the open‐source DeepSeek‐R1 model,
Yangyang Zhong, Pengxin Luo, Yunfeng Yan, Jun Feng, Shixiang Tang, Weizhen He, Yiheng Deng, Yi Chen, Yuhao Zhou, Qi Li, Xianbo Wang, Fushuan Wen, Donglian Qi   +12 more
wiley   +1 more source

Lightning Mapping Array flash detection performance with variable receiver thresholds. [PDF]

J Geophys Res Atmos, 2016
Chmielewski VC, Bruning EC.
europepmc   +1 more source

A Review and Prospect of Appearance Defect Detection Methods for High Voltage Equipment Based on Vision Large Models

High Voltage, EarlyView.
ABSTRACT High voltage equipment, as a core component of power systems, plays an indispensable role in ensuring the reliability of power supply through its safe and stable operation. Traditional visual defect detection for high voltage equipment, however, often relies on manual inspection and experience‐based judgement, which struggles to meet the ...
Zhenbing Zhao, Shuo Feng, Teng Ma, Chenkang Tang, Wenlong Liao, Yixuan Huang, Yongjie Zhai, Wenqing Zhao   +7 more
wiley   +1 more source

The Houston Lightning Mapping Array: Network Installation and Preliminary Analysis [PDF]

, 2013
The Houston Lightning Mapping Array (LMA) is a lightning detection network providing total lightning mapping for the Houston metropolitan area and southeast Texas.
Cullen, Matthew Ryan
core  

Observational Evidence of Negative Leader Reactivation Processes Following a Negative Return Stroke in Lightning Discharges

Geophysical Research Letters
High‐time‐resolved mapping results of two rare reactivation processes following a negative return stroke are discovered and analyzed. The reactivation processes can be roughly divided into two different stages.
Huaifei Chen, Weijiang Chen, Yu Wang, Nianwen Xiang, Kejie Li, Zhong Fu, Hengxin He, Lilang Xiao   +7 more
doaj   +1 more source

Enhanced Thunderstorm Forecasting over the South China Sea Through VLF Lightning Data Assimilation

Atmosphere
To advance marine thunderstorm forecasting and enhance the operational utility of lightning data, this study developed a novel very low-frequency (VLF) lightning data assimilation scheme for the South China Sea region.
Tong Xiao, Zhihong Lu, Qiyuan Yin, Zhe Cai, Hui Li   +4 more
doaj   +1 more source

Thunderstorm characteristics favouring downward and upward lightning to wind turbines [PDF]

Meteorological conditions and thunderstorm characteristics related to lightning threats to wind turbines are discussed in this paper. Due to the rotating blades, wind turbines may be regarded peculiar tall objects, more susceptible to lightning strikes ...
Pineda, Nicolau, Van der Velde, Oscar Arnoud, López Trujillo, Jesús Alberto, Montañá Puig, Juan, Salvador Yuste, Albert   +4 more
core  

Evolution of Specific Differential Phase in Squall Lines and Corresponding Lightning Channels [PDF]

, 2017
Dual-polarimetric radar products have been used in observing changes and persistence of thunderstorm electric fields in relation to lightning discharges.
Zounes, Zackery
core  

Application Status and Development Trends of DC Ice‐Melting Devices in China's Power Grid

IET Smart Energy Systems, EarlyView.
This paper summarises the development history and engineering application status of DC ice‐melting devices (DCIMD) in China, analyses the principles, advantages, disadvantages and adaptability of mainstream topologies and discusses the key problems and corresponding improvement directions.
Ming Lei, Tianlong Zhang, Zhenglin Li, Jian Wang, Tao Zhang, Peng Wang, Ruiqi Zhan   +6 more
wiley   +1 more source

The Issue of Pre‐Islamic Arabic Christian Poetry Revisited

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Is only very little Arabic Christian poetry extant from pre‐Islamic times? While distancing myself from Louis Cheikho's (1859–1927) view that almost all pre‐Islamic poets were Christians, I contend in this article that some of them indeed were.
Ilkka Lindstedt
wiley   +1 more source