Jean-Christophe Zufferey

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Related publications (61)

Contact-based navigation for an autonomous flying robot

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod, Adam Klaptocz, Przemyslaw Mariusz Kornatowski, Arnaud Garnier, Marco Pagnamenta

Autonomous navigation in obstacle-dense indoor environments is very challenging for flying robots due to the high risk of collisions, which may lead to mechanical damage of the platform and eventual failure of the mission. While conventional approaches in ...

2013

Beat-Based Synchronization and Steering for Groups of Fixed-Wing Flying Robots

Dario Floreano, Jean-Christophe Zufferey, Sabine Hauert, Severin Leven

Groups of fixed-wing robots can benefit from moving in synchrony to share sensing and communication capabilities, avoid collisions or produce visually pleasing choreographies. Synchronous motion is especially challenging when using fixed-wing robots that r ...

Springer-Verlag Berlin2013

Optic-Flow Based Control of a 46g Quadrotor

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod

We aim at developing autonomous miniature hov- ering flying robots capable of navigating in unstructured GPS- denied environments. A major challenge is the miniaturization of the embedded sensors and processors allowing such platforms to fly autonomously. ...

2013

Automatically calibrating the viewing direction of optic-flow sensors

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod

Because of their low weight, cost and energy consumption, optic-flow sensors attract growing interest in robotics for tasks such as self-motion estimation or depth measurement. Most applications require a large number of these sensors, which involves a fai ...

IEEE2012

Indoor Navigation with a Swarm of Flying Robots

Dario Floreano, Jean-Christophe Zufferey, Timothy Stirling, James Roberts

Swarms of flying robots are promising in many applications due to rapid terrain coverage. However, there are numerous challenges in realising autonomous operation in unknown indoor environments. A new autonomous flight methodology is presented using relati ...

IEEE2012

The AirBurr: A Flying Robot That Can Exploit Collisions

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod, Adam Klaptocz

Research made over the past decade shows the use of increasingly complex methods and heavy platforms to achieve autonomous flight in cluttered environments. However, efficient behaviors can be found in nature where limited sensing is used, such as in insec ...

2012

An Active Uprighting Mechanism for Flying Robots

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod, Adam Klaptocz, Ludovic Daler

Flying robots have unique advantages in the exploration of cluttered environments such as caves or collapsed buildings. Current systems however have difficulty in dealing with the large amount of obstacles inherent to such environments. Collisions with obs ...

Ieee-Inst Electrical Electronics Engineers Inc2012

Implementation of a Wireless Mesh Network of Ultra Light MAVs with Dynamic Routing

Dario Floreano, Bixio Rimoldi, Jean-Christophe Zufferey, Alberto Jimenez Pacheco, Yannick Gasser

This paper describes the implementation and characterisation of a mobile ad-hoc network (MANET) of ultra-light intelligent flying robots. The flying nature of the network makes it suitable to collect or disseminate content in urban areas or challenging ter ...

2012

3-D Relative Positioning Sensor for Indoor Flying Robots

Dario Floreano, Jean-Christophe Zufferey, Timothy Stirling, James Roberts

Swarms of indoor flying robots are promising for many applications, including searching tasks in collapsing buildings, or mobile surveillance and monitoring tasks in complex man-made structures. For tasks that employ several flying robots, spatial-coordina ...

Springer Verlag2012

The Accuracy of Automatic Photogrammetric Techniques on Ultra-light UAV Imagery

Pascal Fua, Dario Floreano, Jean-Christophe Zufferey, Antoine Beyeler, Christoph Strecha, Olivier Küng, François Gervaix

This paper presents an affordable, fully automated and accurate mapping solutions based on ultra-light UAV imagery. Several datasets are analysed and their accuracy is estimated. We show that the accuracy highly depends on the ground resolution (flying hei ...

2011

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