Prespecified‐time distributed synchronization of Lur'e networks with smooth controllers

2020 ◽  
Author(s):  
Shao Shao ◽  
Jinde Cao ◽  
Yuanfa Hu ◽  
Xiaoyang Liu
Keyword(s):  
Distributed Synchronization

scholarly journals Cooperative synchronization control of intelligent lifting systems with actuator failures

2018 ◽  
Vol 10 (12) ◽  
pp. 168781401881349
Author(s):  
Lijing Dong
Keyword(s):  
Data Transfer ◽  
Synchronization Error ◽  
Synchronization Control ◽  
Wireless Data ◽  
Hydraulic Actuators ◽  
Actuator Failures ◽  
Distributed Controller ◽  
Transfer Unit ◽  
Distributed Synchronization ◽  
Lifting System

Synchronization of a large-scale lifting system with hydraulic actuator failures is investigated in this article. The lifting system is composed of multiple intelligent lifting subsystems with hydraulic actuators, wireless data transfer unit, and distributed controller. During the lifting process, the hydraulic actuators are possible to be malfunctioned. Once actuator failure occurs, the number of lifting points and the communication topology would change over different time intervals. This article proposes a distributed synchronization control method and adopts switching technique in analyzing the lifting synchronization. The distributed controller is designed with information received from around subsystems through wireless data transfer unit rather than with direct reference signal from the control station. On the basis of Lyapunov stability theory and switched technique, sufficient conditions that guarantee the synchronization of the lifting system with actuator failures are achieved, and synchronization errors can be reduced as small as desired. Finally, the effectiveness of proposed distributed synchronization controller is verified by numerical simulations conducted on AMESim platform. From the simulation results, it can be seen that when actuator failures occur, the synchronization error of the remaining lifting subsystems is less than 5%. The lifting synchronization error shrinks to 5% in 5.87 s when a broke-down subsystem returns to normal.

scholarly journals Distributed synchronization of autonomous underwater vehicles with memorized protocol

2019 ◽  
Vol 16 (2) ◽  
pp. 172988141984414 ◽  
Author(s):  
Chao Ma ◽  
Wei Wu
Keyword(s):  
Model Transformation ◽  
Autonomous Underwater Vehicles ◽  
Theoretical Method ◽  
Underwater Vehicles ◽  
Functional Method ◽  
Synchronization Problem ◽  
Distributed Synchronization ◽  
Simulation Results ◽  
Synchronization Performance ◽  
Synchronization Protocol

This article investigates the distributed synchronization problem of autonomous underwater vehicles by developing a novel synchronization protocol with memorized controller. More precisely, the memory information for information exchanges of autonomous underwater vehicles is utilized such that the synchronization performance can be improved. By employing the Lyapunov–Krasovskii functional method with model transformation, sufficient criteria are established for guaranteeing the synchronization, and the corresponding distributed synchronization controllers are designed based on matrix techniques. Finally, the effectiveness and benefits of our theoretical method are supported by an illustrative example with simulation results.

Upgrading of the EAST Distributed Synchronization and Timing System

2010 ◽  
Vol 57 (3) ◽  
pp. 1522-1527 ◽  
Author(s):  
Yichun Wu ◽  
Lingzhi Wang ◽  
Jiarong Luo ◽  
Zhenshan Ji ◽  
Xiaoyang Sun ◽  
...  
Keyword(s):  
Timing System ◽  
Distributed Synchronization

On the use of distributed synchronization in 5G device-to-device networks

2017 ◽  
Author(s):  
David Tetreault-La Roche ◽  
Benoit Champagne ◽  
Ioannis Psaromiligkos ◽  
Benoit Pelletier
Keyword(s):  
Distributed Synchronization ◽  
Device To Device
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