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This paper offers an algorithmic approach to plan continuum deformation of a multi-quadcopter system (MQS) in an obstacle-laden environment. We treat the MQS as finite number of particles of a deformable body coordinating under a…

Optimization and Control · Mathematics 2021-03-16 Hossein Rastgoftar

This paper proposes continuum deformation as a strategy for controlling the collective motion of a multiple quadcopter system (MQS) carrying a common payload. Continuum deformation allows expansion and contraction of inter-agent distances…

Systems and Control · Computer Science 2017-11-15 Hossein Rastgoftar , Ella M. Atkins

This paper studies the problem of affine transformation-based guidance of a multi-quadcopter system (MQS) in an obstacle-laden environment. Such MQSs can perform a variety of cooperative tasks including information collection, inspection…

Multiagent Systems · Computer Science 2021-04-19 Hossein Rastgoftar , Ilya Kolmanovsky

This paper studies the problem of decentralized continuum deformation coordination of multi-agent systems aided by cooperative localization. We treat agents as particles inside a triangular continuum (deformable body) in a2-D motion space…

Multiagent Systems · Computer Science 2021-04-21 Hossein Rastgoftar , Sergey Nersesov , Hashem Ashrafiuon

This paper presents a continuum mechanics-based approach for real-time deployment (RTD) of a multi-quadcopter system between moving initial and final configurations arbitrarily distributed in a 3-D motion space. The proposed RTD problem is…

Robotics · Computer Science 2022-01-26 Hossein Rastgoftar

This paper studies the problem of safe and optimal continuum deformation of a large-scale multi-agent system (MAS). We present a novel approach for MAS continuum deformation coordination that aims to achieve safe and efficient agent…

Multiagent Systems · Computer Science 2023-04-17 Harshvardhan Uppaluru , Hossein Rastgoftar

This paper experimentally evaluates continuum deformation cooperative control for the first time. Theoretical results are expanded to place a bounding triangle on the leader-follower system such that the team is contained despite nontrivial…

Systems and Control · Computer Science 2019-09-19 Matthew Romano , Prince Kuevor , Derek Lukacs , Owen Marshall , Mia Stevens , Hossein Rastgoftar , James Cutler , Ella Atkins

The continuum deformation leader-follower cooperative control strategy models vehicles in a multi-agent system as particles of a deformable body. A desired continuum deformation is defined based on leaders' trajectories and acquired by…

Systems and Control · Electrical Eng. & Systems 2020-02-11 Hossein Rastgoftar , Ella M. Atkins , Ilya Kolmanovsky

The paper focuses on modeling and experimental evaluation of a quadcopter team configurable coordination guided by a single quadruped robot. We consider the quadcopter team as particles of a two-dimensional deformable body and propose a…

Robotics · Computer Science 2024-03-22 Mohammad Ghufran , Sourish Tetakayala , Jack Hughes , Aron Wilson , Hossein Rastgoftar

This paper studies collective motion optimization of a fleet of UAVs flying over a populated and geometrically constrained area. The paper treats UAVs as particles of a deformable body, thus, UAV coordination is defined by a homeomorphic…

Systems and Control · Computer Science 2018-09-05 Hossein Rastgoftar , Ella Atkins

This paper develops a novel physics-based approach for fault-resilient multi-quadcopter coordination in the presence of abrupt quadcopter failure. Our approach consists of two main layers: (i) high-level physics-based guidance to safely…

Dynamical Systems · Mathematics 2021-10-18 Hamid Emadi , Harshvardhan Uppaluru , Hossein Rastgoftar

Continuum deformation is a leader-follower multiagent cooperative control approach. Previous work showed a desired continuum deformation can be uniquely defined based on trajectories of d +1 leaders in a d-dimensional motion space and…

Systems and Control · Electrical Eng. & Systems 2019-07-31 Hossein Rastgoftar , Jean-Baptiste Jeannin , Ella Atkins

Redundancy and parallelism make decentralized multi-robot systems appealing solutions for the exploration of extreme environments. However, effective cooperation often requires team-wide connectivity and a carefully designed communication…

This paper presents a decentralized hybrid supervisory control approach for a team of unmanned helicopters that are involved in a leader-follower formation mission. Using a polar partitioning technique, the motion dynamics of the follower…

Systems and Control · Computer Science 2014-03-04 Ali Karimoddini1 , Mohammad Karimadini , Hai Lin

In this paper, we present the design and implementation of a robust motion formation distributed control algorithm for a team of mobile robots. The primary task for the team is to form a geometric shape, which can be freely translated and…

Robotics · Computer Science 2018-09-21 Hector Garcia de Marina , Johan Siemonsma , Bayu Jayawardhana , Ming Cao

In this paper, we develop and present a novel strategy for safe coordination of a large-scale multi-agent team with ``\textit{local deformation}" capabilities. Multi-agent coordination is defined by our proposed method as a multi-layer…

Multiagent Systems · Computer Science 2023-04-19 Harshvardhan Uppaluru , Hossein Rastgoftar

In this paper, we present a deep reinforcement learning method for quadcopter bypassing the obstacle on the flying path. In the past study, the algorithm only controls the forward direction about quadcopter. In this letter, we use two…

Artificial Intelligence · Computer Science 2018-11-13 Tung-Cheng Wu , Shau-Yin Tseng , Chin-Feng Lai , Chia-Yu Ho , Ying-Hsun Lai

This paper addresses the problem of distributed coordination control for multi-robot systems (MRSs) in the presence of localization uncertainty using a Linear Quadratic Gaussian (LQG) approach. We introduce a stochastic LQG control strategy…

Systems and Control · Electrical Eng. & Systems 2025-04-07 Tohid Kargar Tasooji , Sakineh Khodadadi

Some of the next generation massive spectroscopic survey projects, such as DESI and PFS, plan to use thousands of fiber positioner robots packed at a focal plane to quickly move in parallel the fiber-ends from the previous to the next…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 Laleh Makarem , Jean-Paul Kneib , Denis Gillet , Hannes Bleuler , Mohamed Bouri , Laurent Jenni , Francisco Prada , Justo Sanchez

Unmanned Aerial Vehicles (UAVs) are now becoming increasingly accessible to amateur and com-mercial users alike. Several types of airspace structures are proposed in recent research, which include several structured free flight concepts. In…

Robotics · Computer Science 2021-11-23 Rao Fu , Quan Quan , Mengxin Li , Kai-Yuan Cai
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