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Jean-Christophe Zufferey

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Related publications (61)

CURVACE - CURVed Artificial Compound Eyes

Jean-Christophe Zufferey, Dario Floreano, Michal Karol Dobrzynski, Ramon Pericet Camara, Géraud L'Eplattenier

CURVACE aims at designing, developing, and assessing CURVed Artificial Compound Eyes, a radically novel family of vision systems. This innovative approach will provide more efficient visual abilities for embedded applications that require motion analysis i ...

Elsevier B.V.2011

Dealing with Mid-Air Collisions in Dense Collective Aerial Systems

Jean-Christophe Zufferey, Dario Floreano, Severin Leven

The idea of creating collective aerial systems is appealing because several rather simple flying vehicles could join forces to cover a large area in little time in applications such as monitoring, mapping, search and rescue, or airborne communication relay ...

John Wiley & Sons2011

Reynolds flocking in reality with fixed-wing robots: communication range vs. maximum turning rate

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

The success of swarm behaviors often depends on the range at which robots can communicate and the speed at which they change their behavior. Challenges arise when the communication range is too small with respect to the dynamics of the robot, preventing in ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2011

The locomotion capabilities of the EPFL jumpglider: A hybrid jumping and gliding robot

Jean-Christophe Zufferey, Dario Floreano, Mirko Kovac

Recent work suggests that wings can be used to prolong the jumps of miniature jumping robots. However, no functional miniature jumping robot has been presented so far that can successfully apply this hybrid locomotion principle. In this video publication, ...

2011

The EPFL jumpglider: A hybrid jumping and gliding robot with rigid or folding wings

Jean-Christophe Zufferey, Dario Floreano, Mirko Kovac, Wassim Hraiz, Oriol Fauria Torrent

2011

Steerable Miniature Jumping Robot

Jean-Christophe Zufferey, Dario Floreano, Manuel Schlegel, Mirko Kovac

Jumping is used in nature by many small animals to locomote in cluttered environments or in rough terrain. It offers small systems the benefit of overcoming relatively large obstacles at a low energetic cost. In order to be able to perform repetitive jumps ...

Springer Verlag2010

Autonomous flight at low altitude using light sensors and little computational power

Jean-Christophe Zufferey, Dario Floreano, Antoine Beyeler

The ability to fly at low altitude while actively avoiding collisions with the terrain and objects such as trees and buildings is a great challenge for small unmanned aircraft. This paper builds on top of a control strategy called optiPilot whereby a serie ...

2010

Autonomous flight at low altitude with vision-based collision avoidance and GPS-based path following

Jean-Christophe Zufferey, Dario Floreano, Antoine Beyeler

The ability to fly at low altitude while actively avoiding collisions with the terrain and other objects is a great challenge for small unmanned aircraft. This paper builds on top of a control strategy called optiPilot whereby a series of optic-flow detect ...

IEEE2010

Communication-based Swarming for Flying Robots

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

We aim at implementing a swarm of Micro-Air-Vehicles for creating communication networks (SMAVNETs) in disaster areas. For this purpose, we propose strategies for steering flying robots using only communication hardware (e.g. WiFi module or radio modem) an ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Communication-based Leashing of Real Flying Robots

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

Aerial robots are often required to remain within the communication range of a base station on the ground to exchange commands, sensor data or as a safety mechanism. For this purpose, we propose a minimal control strategy for steering flying robots using o ...

2010

An Indoor Flying Platform with Collision Robustness and Self-Recovery

Jean-Christophe Zufferey, Dario Floreano, Adrien Briod, Adam Klaptocz, Grégoire Boutinard Rouelle

This paper presents a new paradigm in the design of indoor flying robots that replaces collision avoidance with collision robustness. Indoor flying robots must operate within constrained and cluttered environments where even nature’s most sophisticated fly ...

IEEE2010

Reverse-engineering of Artificially Evolved Controllers for Swarms of Robots

Jean-Christophe Zufferey, Dario Floreano, Sabine Hauert

It is generally challenging to design decentralized controllers for swarms of robots because there is often no obvious relation between the individual robot behaviors and the final behavior of the swarm. As a solution, we use artificial evolution to automa ...

2009

Vision-based control of near-obstacle flight

Jean-Christophe Zufferey, Dario Floreano, Antoine Beyeler

This paper presents a novel control strategy, which we call optiPilot, for autonomous flight in the vicinity of obstacles. Most existing autopilots rely on a complete 6-degree-of-freedom state estimation using a GPS and an Inertial Measurement Unit (IMU) a ...

2009

Evolved swarming without positioning information: an application in aerial communication relay

Jean-Christophe Zufferey, Dario Floreano, Sabine Hauert

2009

A Minimalist Control Strategy for Small UAVs

Jean-Christophe Zufferey, Dario Floreano, Severin Leven

Most autopilots of existing Miniature Unmanned Air Vehicles (MUAVs) rely on control architectures that typically use a large number of sensors (gyros, accelerometers, magnetometers, GPS) and a computationally demanding estimation of flight states. As a con ...

IEEE2009

The e-puck, a Robot Designed for Education in Engineering

Francesco Mondada, Jean-Christophe Zufferey, Alcherio Martinoli, Dario Floreano, Stéphane Magnenat, Michael Bonani, Xavier Raemy, Christopher Cianci, James Pugh, Adam Klaptocz

Mobile robots have the potential to become the ideal tool to teach a broad range of engineering disciplines. Indeed, mobile robots are getting increasingly complex and accessible. They embed elements from diverse ﬁelds such as mechanics, digital electronic ...

IPCB: Instituto Politécnico de Castelo Branco2009

optiPilot: control of take-off and landing using optic flow

Jean-Christophe Zufferey, Dario Floreano, Antoine Beyeler

Take-off and landing manoeuvres are critical for MAVs because GPS-based autopilots usually do not perceive distance to the ground or other potential obstacles. In addition, attitude estimates based on inertial sensors are often perturbed by the strong acce ...

2009

2.5D Infrared Range and Bearing System for Collective Robotics

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

In the growing field of collective robotics, spatial co-ordination between robots is often critical and usually achieved via local relative positioning sensors. We believe that range and bearing sensing, based on infrared technology, has the potential to f ...

2009

A Miniature Jumping Robot with Self-Recovery Capabilities

Jean-Christophe Zufferey, Dario Floreano, Manuel Schlegel, Mirko Kovac

In nature, many animals are able to jump, upright themselves after landing and jump again. This allows them to move in unstructured and rough terrain. As a further development of our previously presented 7g jumping robot, we consider various mechanisms ena ...

2009

Energy Management for Indoor Hovering Robots

Jean-Christophe Zufferey, Dario Floreano, James Roberts

Flying has an advantage when compared to ground based locomotion, as it simplifies the task of overcoming obstacles and allows for rapid coverage of an area while also providing a birds-eye-view of the environment. One of the key challenges that has preven ...

2008

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