ETH Zurich Rezero

ETH Zurich Autonomous Systems Lab focus project, with ZHAW and ZHdK (Switzerland) Rezero (1)

Not for sale

Not for sale (research)Not programmableFast ballbot3.5 m/sROSResearch

Not for saleShipping: N/A.

Remote control: Not possible. A one-off student research robot.

Overview

A 2010 ETH Zurich student ballbot built to show how fast and graceful a ballbot can be, rather than just that it can balance. It reached 3.5 m/s and had a 'breathing' shell that could lower over the ball to park.

Type: Rolling robot · Research & concepts
Maker: ETH Zurich Autonomous Systems Lab focus project, with ZHAW and ZHdK (Switzerland)
Released: 2010
Price: Not for sale
Status: Not for sale (research)
Best for: Professionals & labs
Programming: No programmability

Price and shipping

Student focus project.

Shipping: N/A. A one-off university project. Never sold.

Specifications

Category	Spherical & rolling · Research & concepts
Released	2010
Country	Switzerland
Availability	Not for sale (research)
Programmability	No programmability
Built-in autonomy	Reactive · Responds to its surroundings without a map, such as avoiding obstacles or following a person
LLM support	None · No built-in LLM and no SDK to connect one.
Best for	Professionals & labs
Vision sensors	Sonar / ultrasonic
Actuators	Brushless / direct-drive motors
Audio	Microphone
Compute type	Unknown
Remote control	Not programmable
Size	19.5 kg with casing (14.5 kg without)
Locomotion	Three maxon EC-4pole 200 W motors driving custom omni-wheels on a rubber-coated aluminum sphere
Compute	Real-time low-level computer plus a Linux high-level computer running ROS
Camera	None published (laser and ultrasonic ranging)
Sensors	160 Hz IMU with compass, laser distance sensors, ultrasonic sensors (~6.5 m, 360°), surround microphones, encoders
Runtime	~5 h
Speed	Up to 3.5 m/s (12.6 km/h), 3 m/s² acceleration, 20° max lean
SDK	Team-internal (joystick, MATLAB trajectory planning, ROS)