Distributed Formation Control for Multiple Vertical Takeoff and Landing UAVs With Switching Topologies

This paper proposes a distributed formation control approach for a team of vertical takeoff and landing (VTOL) unmanned aerial vehicles (UAVs) subject to switching topologies. The communication topology among UAVs is allowed to be with weak connectivity, in the sense of satisfying a uniformly jointl...

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Published inIEEE/ASME transactions on mechatronics Vol. 23; no. 4; pp. 1750 - 1761
Main Authors Zou, Yao, Zhou, Zeqiang, Dong, Xiwang, Meng, Ziyang
Format Journal Article
LanguageEnglish
Published New York IEEE 01.08.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Attitudes
Control stability
Control systems
Force distribution
Formation control
hierarchical control
IEEE transactions
Liapunov functions
Mechatronics
Military technology
Parameters
Stress concentration
Switches
Switching
switching topologies
Topology
Torque
Unmanned aerial vehicles
unmanned aerial vehicles (UAVs)
Vertical landing
Vertical takeoff
Online AccessGet full text
ISSN1083-4435
1941-014X
DOI10.1109/TMECH.2018.2844306

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Abstract This paper proposes a distributed formation control approach for a team of vertical takeoff and landing (VTOL) unmanned aerial vehicles (UAVs) subject to switching topologies. The communication topology among UAVs is allowed to be with weak connectivity, in the sense of satisfying a uniformly jointly connected assumption. Since VTOL UAV systems are typically underactuated, a hierarchical framework is introduced such that a distributed control scheme can be established using neighboring positions and velocities. In particular, a distributed command force is developed to fulfill the formation objective, and an applied torque is synthesized for the attitude to track the command attitude. This command attitude is extracted from the command force by using a backstepping idea. In addition, an auxiliary system with appropriate parameters is introduced to preserve thrust saturation constraint, to guarantee nonsingular command attitude extraction and to avoid usage of neighboring acceleration information. With proper choices of Lyapunov functions, explicit selection criteria for the control parameters are formulated to ensure the asymptotic stability of the closed-loop system. Simulations and experiments are provided to validate the proposed theoretical results.
AbstractList This paper proposes a distributed formation control approach for a team of vertical takeoff and landing (VTOL) unmanned aerial vehicles (UAVs) subject to switching topologies. The communication topology among UAVs is allowed to be with weak connectivity, in the sense of satisfying a uniformly jointly connected assumption. Since VTOL UAV systems are typically underactuated, a hierarchical framework is introduced such that a distributed control scheme can be established using neighboring positions and velocities. In particular, a distributed command force is developed to fulfill the formation objective, and an applied torque is synthesized for the attitude to track the command attitude. This command attitude is extracted from the command force by using a backstepping idea. In addition, an auxiliary system with appropriate parameters is introduced to preserve thrust saturation constraint, to guarantee nonsingular command attitude extraction and to avoid usage of neighboring acceleration information. With proper choices of Lyapunov functions, explicit selection criteria for the control parameters are formulated to ensure the asymptotic stability of the closed-loop system. Simulations and experiments are provided to validate the proposed theoretical results.
Author Dong, Xiwang
Meng, Ziyang
Zou, Yao
Zhou, Zeqiang
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Snippet This paper proposes a distributed formation control approach for a team of vertical takeoff and landing (VTOL) unmanned aerial vehicles (UAVs) subject to...
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SubjectTerms Attitudes
Control stability
Control systems
Force distribution
Formation control
hierarchical control
IEEE transactions
Liapunov functions
Mechatronics
Military technology
Parameters
Stress concentration
Switches
Switching
switching topologies
Topology
Torque
Unmanned aerial vehicles
unmanned aerial vehicles (UAVs)
Vertical landing
Vertical takeoff
Title Distributed Formation Control for Multiple Vertical Takeoff and Landing UAVs With Switching Topologies
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https://www.proquest.com/docview/2117130614
Volume 23
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