Results 31 to 40 of about 1,799,647 (291)

Coordinated Formation Control of Discrete-Time Autonomous Underwater Vehicles under Alterable Communication Topology with Time-Varying Delay

open access: yesJournal of Marine Science and Engineering, 2022
This paper is concerned with the coordinated formation control problem of multiple autonomous underwater vehicles (AUVs) under alterable communication topology and time-varying delay in discrete time domain.
Haomiao Yu, Zhenfang Zeng, Chen Guo
doaj   +1 more source

Affine formation maneuver control of multi-agent systems [PDF]

open access: yes, 2018
A multi-agent formation control task usually consists of two subtasks. The first is to steer the agents to form a desired geometric pattern and the second is to achieve desired collective maneuvers so that the centroid, orientation, scale, and other ...
Zhao, S.
core   +1 more source

Attitude and Phase Synchronization of Formation Flying Spacecraft: Lagrangian Approach [PDF]

open access: yes, 2008
This article presents a unified synchronization framework with application to precision formation flying spacecraft. Central to the proposed innovation, in applying synchroniza- tion to both translational and rotational dynamics in the Lagrangian form ...
Chung S.-J.   +5 more
core   +1 more source

Distributed time-varying formation control for unmanned surface vehicles guided by multiple leaders

open access: yesZhongguo Jianchuan Yanjiu, 2020
Objectives This paper investigates the distributed time-varying formation control of a swarm of under-actuated Unmanned Surface vehicles (USVs) guided by multiple leaders in the presence of complex model uncertainties and unknown ocean disturbances ...
WU Wentao   +4 more
doaj   +1 more source

Droplet evaporation residue indicating SARS-COV-2 survivability on surfaces

open access: yes, 2020
SARS-CoV-2 survives and remains viable on surfaces for several days under different environments as reported in recent studies. However, it is unclear how the viruses survive for such a long time and why their survivability varies across different ...
He, Zilong   +5 more
core   +1 more source

Pose consensus based on dual quaternion algebra with application to decentralized formation control of mobile manipulators

open access: yes, 2019
This paper presents a solution based on dual quaternion algebra to the general problem of pose (i.e., position and orientation) consensus for systems composed of multiple rigid-bodies.
Adorno, Bruno V.   +3 more
core   +1 more source

Neural-Adaptive Finite-Time Formation Tracking Control of Multiple Nonholonomic Agents With a Time-Varying Target

open access: yesIEEE Access, 2020
This paper investigates the leader-following formation tracking problem (FTP) for multiple nonholonomic agent systems (MNASs) in the presence of external disturbances and parametric uncertainties, where both the kinematics and dynamics of the agents are ...
Kai-Bo Zhou   +4 more
doaj   +1 more source

Kinetics of bond formation in crosslinked gelatin gels

open access: yes, 2006
In chemical crosslinking of gelatin solutions, two different time scales affect the kinetics of the gel formation in the experiments. We complement the experimental study with Monte Carlo numerical simulations of a lattice model. This approach shows that
A. Coniglio   +10 more
core   +1 more source

Pose Detection and control of multiple unmanned underwater vehicles using optical feedback [PDF]

open access: yes, 2014
This paper proposes pose detection and control algorithms in order to control the relative pose between two Unmanned Underwater Vehicles (UUVs) using optical feedback.
Barbaros Celikkol   +5 more
core   +3 more sources

Distributed Multi-Robot Formation Control Based on Bipartite Consensus With Time-Varying Delays

open access: yesIEEE Access, 2019
A distributed formation control scheme of multi-robot systems for bipartite consensus under communication delays is presented in this paper. The bipartite consensus protocol under communication delays is first proposed.
Chengguo Zong   +3 more
doaj   +1 more source

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