Online Live Working Safety Monitoring and Early Warning Based on Spatial <scp>Cross‐Border</scp> Prevention

Ruan, Huaping; Zou, Dehua; Wang, Wei; He, Zhihang; Yu, Yan

doi:10.1002/tee.23130

Cited by 6 publications

(1 citation statement)

References 13 publications

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“…During the live working of EHV/UHV transmission lines, the worker forms a combined gap with the tower body, conductors and other components [1][2][3][4]. Under the action of strong electric field, workers with floating potential will discharge on tips of the body surface, which may cause different degrees of interference to the operation process, and even ablate the shielding clothing [5,6].…”

Section: Introductionmentioning

confidence: 99%

Calculation Method for Initial Discharge Formation Parts of Live Line Worker Based on Leader Discharge Theory

Peng¹,

Xiao²,

Li³

et al. 2023

IEEJ Transactions Elec Engng

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For the initial attachment parts of the human body discharge under live working conditions of transmission lines, this paper proposes a calculation method suitable for any working posture and tower type based on the leader discharge theory. By simulating the formation of the leader channel, the minimum background field for the initiation of the stable leader in various parts of the human body is calculated, and the probability distribution of the initial discharge attachment position on the body surface of the worker is obtained. The results show that the stable transformation of the secondary corona to the leader channel at the tip of the human body is a precondition for this part to become an attachment point of the discharge; In the process of the worker entering the equipotential, affected by the entering direction and posture, the parts with a large curvature such as the hands and feet are likely to become the initial discharge attachment position; Due to the shielding effect from the limbs, the rear part of the worker has a low probability of becoming the initial discharge attachment position. The purpose of this research is to explore an effective method for identifying the discharge location of a live line worker, and to strengthen the protection of workers from the electric field. © 2023 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

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Section: Introductionmentioning

confidence: 99%

Calculation Method for Initial Discharge Formation Parts of Live Line Worker Based on Leader Discharge Theory

Peng¹,

Xiao²,

Li³

et al. 2023

IEEJ Transactions Elec Engng

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CNN Face Live Detection Algorithm Based on Binocular Camera

Sun

2021

J. Phys.: Conf. Ser.

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In this paper, a convolutional neural network (CNN) detection analysis is performed for live face detection by binocular cameras, and a binocular stereo matching network with fused edge detection is designed and implemented to target the quality of image details and parallax prediction at edges. Experiments show that the random sample pair confusion loss function can effectively improve the accuracy and generalization of the face live detection algorithm; the multi-task training approach can improve the performance of both faces live detection and face recognition; the algorithm shows excellent performance in both faces live detection and face recognition, especially the generalization of face live detection is greatly improved. A pre-trained convolutional neural network is used to extract features, and a content loss function and a domain loss function are designed to measure the feature distance between two images, and a feedforward neural network is trained as an image transformation network to migrate samples to the same domain. Experiments show that the algorithm can reduce the feature differences between the face live detection data of the two domains and can be used to improve the generalization of the face live detection algorithm.

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Research on the limit prevention system for near electric operations in power transmission and transformation engineering based on pulse radiation

Shi,

He,

Zhang

et al. 2024

J. Phys.: Conf. Ser.

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To solve the problems of high risk and low efficiency in manual control of near electric operation construction, this paper proposes a pulse ray based near electric operation anti limit system for power transmission and transformation engineering. The software and hardware of the system are designed according to the functional requirements of the system. By using a pulse laser module to detect whether there is object intrusion in the near electric work area, the on-site construction safety control distance is obtained by setting the voltage level. When there is object intrusion, both the on-site and system backend will sound an alarm simultaneously. Through on-site testing, the accuracy of object intrusion warning is 100%, successfully solving the problem of the lack of intelligent control measures in near electric operations, achieving autonomous control, precise detection, and real-time warning of near electric operations.

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Online Live Working Safety Monitoring and Early Warning Based on Spatial Cross‐Border Prevention

Cited by 6 publications

References 13 publications

Calculation Method for Initial Discharge Formation Parts of Live Line Worker Based on Leader Discharge Theory

Calculation Method for Initial Discharge Formation Parts of Live Line Worker Based on Leader Discharge Theory

CNN Face Live Detection Algorithm Based on Binocular Camera

Research on the limit prevention system for near electric operations in power transmission and transformation engineering based on pulse radiation

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