Results 21 to 30 of about 3,730,012 (295)

Review of the problems related to failure of metal resistor in power transformer neutral [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2017
In case of a neutral-grounding resistor failure, the low impedance grounded network become ungrounded. This can lead to a very high level of transient overvoltages due to intermittent arcing faults.
Kostić Vojin
doaj   +1 more source

The Comparative Analysis of Methods Characteristics of a Monitoring of Integrity of Global Navigation Satellite Systems

open access: yesБезопасность информационных технологий, 2011
The main methods of monitoring the integrity of the Global Navigation Satellite Systems (GNSS) are considered. A comparative analysis of the characteristics of GNSS integrity controlling methods is conducted. A perspective method of integrity monitoring,
M. Y. Senatorov, R. B. Syatkovskiy
doaj   +1 more source

On the development and testing of a guided ultrasonic wave array for structural integrity monitoring [PDF]

open access: yes, 2006
The prototype of a guided ultrasonic wave array for the structural integrity monitoring of large, plate-like structures has been designed, built, and tested.
Wilcox, PD   +4 more
core   +1 more source

Two-Level Integrity-Monitoring Method for Multi-Source Information Fusion Navigation

open access: yesRemote Sensing, 2023
To address the issue of integrity monitoring for a multi-source information fusion navigation system, a theoretical framework of two-level integrity monitoring is proposed.
Rui Chen, Long Zhao
doaj   +1 more source

An Improved Integrity Monitoring Algorithm for GNSS Receiver

open access: yesJournal of Harbin University of Science and Technology, 2021
In view of the problem that the availability judgment process of traditional GNSS receiver integrity monitoring algorithm is too conservative,and the error protection level value is too large,resulting in poor availability,the availability judgment ...
CHEN Ke-xun, ZHANG Xue-ying, QIU Wei
doaj   +1 more source

Secure agent data integrity shield [PDF]

open access: yes, 2004
In the rapidly expanding field of E-Commerce, mobile agent is the emerging technology that addresses the requirement of intelligent filtering/processing of information. This paper will address the area of mobile agent data integrity protection.
Yang, Y., Guan, SU, Yang, Y, Guan, S.-U.
core   +1 more source

A New Approach to Unwanted-Object Detection in GNSS/LiDAR-Based Navigation

open access: yesSensors, 2018
In this paper, we develop new methods to assess safety risks of an integrated GNSS/LiDAR navigation system for highly automated vehicle (HAV) applications. LiDAR navigation requires feature extraction (FE) and data association (DA).
Mathieu Joerger   +3 more
doaj   +1 more source

Fault Detection and Exclusion for Tightly Coupled GNSS/INS System Considering Fault in State Prediction

open access: yesSensors, 2020
To ensure navigation integrity for safety-critical applications, this paper proposes an efficient Fault Detection and Exclusion (FDE) scheme for tightly coupled navigation system of Global Navigation Satellite Systems (GNSS) and Inertial Navigation ...
Shizhuang Wang   +3 more
doaj   +1 more source

Integrity Monitoring of PPP-RTK Positioning; Part II: LEO Augmentation

open access: yesRemote Sensing, 2022
Low Earth orbit (LEO) satellites benefit future ground-based positioning with their high number, strong signal strength and high speed. The rapid geometry change with the LEO augmentation offers acceleration of the convergence of the precision point ...
Kan Wang   +4 more
doaj   +1 more source

GAN-FDSR: GAN-Based Fault Detection and System Reconfiguration Method

open access: yesSensors, 2022
Fault detection and exclusion are essential to ensure the integrity and reliability of the tightly coupled global navigation satellite system (GNSS)/inertial navigation system (INS) integrated navigation system.
Zihan Shen   +3 more
doaj   +1 more source

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