Results 1 to 10 of about 1,461,059 (300)

Internet of Things for Disaster Management: State-of-the-Art and Prospects

open access: yesIEEE Access, 2017
Disastrous events are cordially involved with the momentum of nature. As such mishaps have been showing off own mastery, situations have gone beyond the control of human resistive mechanisms far ago.
Partha Pratim Ray   +2 more
doaj   +1 more source

Fault Diagnosis Based on Multi-Scale Redefined Dimensionless Indicators and Density Peak Clustering With Geodesic Distances

open access: yesIEEE Access, 2020
A novel fault diagnosis method for rolling bearings based on multi-scale redefined dimensionless indicators and an unsupervised feature selection method using density peak clustering with geodesic distances is proposed in this paper. First, a new feature
Qin Hu   +4 more
doaj   +1 more source

A Survey on Gas Leakage Source Detection and Boundary Tracking with Wireless Sensor Networks

open access: yesIEEE Access, 2016
Gas leakage source detection and boundary tracking of continuous objects have received a significant research attention in the academic as well as the industries due to the loss and damage caused by toxic gas leakage in large-scale petrochemical plants ...
Lei Shu   +4 more
doaj   +1 more source

Fractional Dimensionless Indicator with Random Forest for Bearing Fault Diagnosis under Variable Speed Conditions

open access: yesShock and Vibration, 2022
Fault diagnosis of rolling bearings under variable speed is a common issue in engineering practice, but it lacks an effective diagnosis algorithm, while approaches developed for steady speed cannot be directly applied.
Yujing Huang   +4 more
doaj   +1 more source

An adaptive reclosing scheme for flexible DC grid based on residual voltage S-transformation

open access: yesScientific Reports
When a fault occurs on a line, it is necessary to quickly isolate the fault to improve the safety and reliability of the transmission system. Due to the lack of effective ability to identify the nature of faults, the traditional automatic reclosing ...
Yue Dai   +4 more
doaj   +1 more source

Concurrent Fault Diagnosis for Rotating Machinery Based on Vibration Sensors

open access: yesInternational Journal of Distributed Sensor Networks, 2013
Rotating machinery is widely used in modern industry. It is one of the most critical components in a variety of machinery and equipment. Along with the continuous development of science and technology, the structures of rotating machinery become of ...
Qing-Hua Zhang   +4 more
doaj   +1 more source

MULTIFUNCTIONAL LAND USE IN THE RENEWAL OF HARBOUR AREAS: PATTERNS OF PHYSICAL DISTRIBUTION OF THE URBAN FUNCTIONS

open access: yesOn the W@terfront, 2004
Being one of the most representative spatial processes of the last 30 years, which frequently occur in strategic parts of the cities and justify special financing investments, the operations of renewal of harbour areas can be seen as a laboratory of ...
JOÃO PEDRO Costa, Antoni Remesar
doaj  

WSNs-Based Mechanical Equipment State Monitoring and Fault Diagnosis in China

open access: yesInternational Journal of Distributed Sensor Networks, 2015
Wireless sensor networks (WSNs) have been used in the state monitoring and fault diagnosis (SMFD) of mechanical equipment as a new signal collection and transmission technology, which have attracted a lot of attention recently.
Jianfeng Huang   +4 more
doaj   +1 more source

Strong coupling between a single-photon and a two-photon Fock state

open access: yesNature Communications
The realization of strong nonlinear coupling between single photons has been a long-standing goal in quantum optics and quantum information science, promising wide impact applications, such as all-optical deterministic quantum logic and single-photon ...
Shuai-Peng Wang   +11 more
doaj   +1 more source

Estimation of inertia demand in power systems considering wind power virtual inertia

open access: yesInternational Journal of Electrical Power & Energy Systems
The high proportion of renewable energy integrated into the grid through numerous power electronic devices has reduced the overall system inertia level and operational stability and caused poor disturbance resistance.
Hongchun SHU   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy