Results 21 to 30 of about 21,207 (257)

Leak Location Based on PDS-VMD of Leakage-Induced Vibration Signal Under Low SNR in Water-Supply Pipelines

IEEE Access, 2020
Leak location in water-supply pipelines is of great significance in order to preserve water resources and reduce economic losses. Cross-correlation (CC) based leak location is a popular and effective method in water-supply pipelines (WSP).
Shuaiyong Li, Chuanqiang Xia, Zhenhua Cheng, Weipei Mao, Ying Liu, Daryoush Habibi   +5 more
doaj   +1 more source

Experimental and numerical study on surface roughness of magnetorheological elastomer for controllable friction

Friction, 2019
Magnetorheological elastomer (MRE) is a type of smart material of which mechanical and electrical properties can be reversibly controlled by the magnetic field.
Rui Li, Xi Li, Yuanyuan Li, Ping-an Yang, Jiushan Liu   +4 more
doaj   +1 more source

Lightweight Helmet Detection Algorithm Using an Improved YOLOv4

Sensors, 2023
Safety helmet wearing plays a major role in protecting the safety of workers in industry and construction, so a real-time helmet wearing detection technology is very necessary.
Junhua Chen, Sihao Deng, Ping Wang, Xueda Huang, Yanfei Liu   +4 more
doaj   +1 more source

Industrial Internet of the things

, 2019
This chapter focuses on several topics related to the industrial Internet of the things (IIoT). Starting with current loop signalling in industrial plants and fmishing with wireless networks, the main strengths, weaknesses, opportunities and threats of IIoT are underlined.
Viegas, Vítor, Pereira, José Miguel Costa Dias   +1 more
openaire   +2 more sources

Big Data-Based Improved Data Acquisition and Storage System for Designing Industrial Data Platform

IEEE Access, 2019
Big data-based acquisition and storage system (ASS) plays an important role in the design of industrial data platform. Many big data frameworks have been integrated compression and serialization method.
Daoqu Geng, Chengyun Zhang, Chengjing Xia, Xue Xia, Qilin Liu, Xinshuai Fu   +5 more
doaj   +1 more source

An Improved ACO Algorithm Optimized Fuzzy PID Controller for Load Frequency Control in Multi Area Interconnected Power Systems

IEEE Access, 2020
In this paper, an Improved Ant Colony Optimization (IACO) algorithm optimized fuzzy PID (FPID) controller is proposed for Load Frequency Control of multi area systems.
Gonggui Chen, Zhijun Li, Zhizhong Zhang, Shuaiyong Li   +3 more
doaj   +1 more source

Semantic Interconnection Scheme for Industrial Wireless Sensor Networks and Industrial Internet with OPC UA Pub/Sub

Sensors, 2022
In the Industry 4.0 era, with the continuous integration of industrial field systems and upper-layer facilities, interconnection between industrial wireless sensor networks (IWSNs) and industrial Internet networks is becoming increasingly pivotal ...
Chenggen Pu, Xiwu Ding, Ping Wang, Shunji Xie, Junhua Chen   +4 more
doaj   +1 more source

A Congestion Control Strategy for Power Scale-Free Communication Network

Applied Sciences, 2017
The scale-free topology of power communication network leads to more data flow in less hub nodes, which can cause local congestion. Considering the differences of the nodes’ delivery capacity and cache capacity, an integrated routing based on the ...
Min Xiang, Qinqin Qu
doaj   +1 more source

Hybridization of Chaotic Grey Wolf Optimizer and Dragonfly Algorithm for Short-Term Hydrothermal Scheduling

IEEE Access, 2020
The short-term hydrothermal scheduling (STHS) is a complicated optimization problem, considering valve-point effect (VPE) and transmission losses, it exhibits the characteristics of nonlinearities and non-smoothness which increase the difficulty of ...
Gonggui Chen, Miao Gao, Zhizhong Zhang, Shuaiyong Li   +3 more
doaj   +1 more source

Short-Term Wind Speed Forecasting With Principle-Subordinate Predictor Based on Conv-LSTM and Improved BPNN

IEEE Access, 2020
To improve the accuracy of short term wind speed forecasting, a novel principle-subordinate prediction model based on Conv-LSTM network and BPNN is designed in this paper.
Gonggui Chen, Lijun Li, Zhizhong Zhang, Shuaiyong Li   +3 more
doaj   +1 more source