CrazyChoir: Flying Swarms of Crazyflie Quadrotors in ROS 2
Lorenzo Pichierri, Andrea Testa, Giuseppe Notarstefano

TL;DR
CrazyChoir is a modular ROS 2-based Python framework enabling simulation, control, and experimentation with swarms of Crazyflie nano-quadrotors for various cooperative tasks.
Contribution
It introduces a comprehensive, modular toolkit for simulating and controlling Crazyflie swarms, including real-time communication, planning, and online distributed optimization capabilities.
Findings
Validated through simulations and real experiments
Demonstrated formation control and trajectory tracking
Enabled online distributed control schemes
Abstract
This paper introduces CrazyChoir, a modular Python framework based on the Robot Operating System (ROS) 2. The toolbox provides a comprehensive set of functionalities to simulate and run experiments on teams of cooperating Crazyflie nano-quadrotors. Specifically, it allows users to perform realistic simulations over robotic simulators as, e.g., Webots and includes bindings of the firmware control and planning functions. The toolbox also provides libraries to perform radio communication with Crazyflie directly inside ROS 2 scripts. The package can be thus used to design, implement and test planning strategies and control schemes for a Crazyflie nano-quadrotor. Moreover, the modular structure of CrazyChoir allows users to easily implement online distributed optimization and control schemes over multiple quadrotors. The CrazyChoir package is validated via simulations and experiments on a…
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Taxonomy
TopicsModular Robots and Swarm Intelligence · Robotic Path Planning Algorithms
