Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties

An adaptive, distributed, event-triggered controller is proposed in this paper to study the problem of leader-follower consensus for a directed network of Euler-Lagrange agents. We show that if each agent uses the proposed controller, the leader-follower consensus objective is globally asymptoticall...

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Main Authors: Liu, Q., Ye, Mengbin, Qin, J., Yu, C.
Format: Conference Paper
Language:English
Published: IEEE 2016
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/84385
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author Liu, Q.
Ye, Mengbin
Qin, J.
Yu, C.
author_facet Liu, Q.
Ye, Mengbin
Qin, J.
Yu, C.
author_sort Liu, Q.
building Curtin Institutional Repository
collection Online Access
description An adaptive, distributed, event-triggered controller is proposed in this paper to study the problem of leader-follower consensus for a directed network of Euler-Lagrange agents. We show that if each agent uses the proposed controller, the leader-follower consensus objective is globally asymptotically achieved if the directed network contains a directed spanning tree with the leader as the root node. We provide a trigger function to govern the event time; at each event time the controller is updated. In doing so, we also obtain an explicit lower bound on the time interval between events and thus we conclude that the proposed controller does not exhibit Zeno behavior. Simulations are provided which show the effectiveness of the proposed controller. Also shown in the simulations is the piecewise constant nature of the control law; this significantly reduces the number of updates required by each actuator, thereby saving energy resources.
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publishDate 2016
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spelling curtin-20.500.11937-843852021-07-08T03:45:23Z Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties Liu, Q. Ye, Mengbin Qin, J. Yu, C. Science & Technology Technology Automation & Control Systems Engineering, Electrical & Electronic Operations Research & Management Science Engineering TRIGGERED CONTROL An adaptive, distributed, event-triggered controller is proposed in this paper to study the problem of leader-follower consensus for a directed network of Euler-Lagrange agents. We show that if each agent uses the proposed controller, the leader-follower consensus objective is globally asymptotically achieved if the directed network contains a directed spanning tree with the leader as the root node. We provide a trigger function to govern the event time; at each event time the controller is updated. In doing so, we also obtain an explicit lower bound on the time interval between events and thus we conclude that the proposed controller does not exhibit Zeno behavior. Simulations are provided which show the effectiveness of the proposed controller. Also shown in the simulations is the piecewise constant nature of the control law; this significantly reduces the number of updates required by each actuator, thereby saving energy resources. 2016 Conference Paper http://hdl.handle.net/20.500.11937/84385 10.1109/CDC.2016.7798596 English IEEE fulltext
spellingShingle Science & Technology
Technology
Automation & Control Systems
Engineering, Electrical & Electronic
Operations Research & Management Science
Engineering
TRIGGERED CONTROL
Liu, Q.
Ye, Mengbin
Qin, J.
Yu, C.
Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties
title Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties
title_full Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties
title_fullStr Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties
title_full_unstemmed Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties
title_short Event-based leader-follower consensus for multiple Euler-Lagrange systems with parametric uncertainties
title_sort event-based leader-follower consensus for multiple euler-lagrange systems with parametric uncertainties
topic Science & Technology
Technology
Automation & Control Systems
Engineering, Electrical & Electronic
Operations Research & Management Science
Engineering
TRIGGERED CONTROL
url http://hdl.handle.net/20.500.11937/84385