Atlas (hydraulic)

Boston Dynamics (USA) · 2013

Not soldDARPA-funded units were provided to DRC teams in 2013
Discontinued · unavailableZMP / IK gaitParkour & backflipsDARPA Robotics ChallengeRetired 2024
UnavailableShipping: Not available. Retired in 2024. Never sold commercially.

Overview

Built for the DARPA Robotics Challenge (2013–2015), where several teams used it. The smaller, untethered 2016 redesign became famous for backflips, parkour and dance videos. Boston Dynamics retired hydraulic Atlas in April 2024 and replaced it with the electric Atlas.

Specifications

CategoryBipeds · Research & legacy bipeds
Released2013
AvailabilityDiscontinued · unavailable
ProgrammabilityNo programmability
Best forProfessionals & labs
Vision sensorsCamera, Depth camera, Lidar
ActuatorsHydraulic / pneumatic
AudioNo audio
Compute typeProprietary / undisclosed, Laptop / PC as the brain
Balance typeZMP / IK gait
Height188 cm (2013), 150 cm (2016+)
Weight~150 kg (2013), ~89 kg (2016+)
ComputeOnboard computers (2016+), tethered off-board in DRC version
Speed~2.5 m/s (est.)
DOF28 (hydraulic)
SensorsStereo cameras, lidar (Carnegie Robotics MultiSense), IMU, joint sensors
BalanceModel-predictive control with offline-optimized behaviors (not learned). Parkour and backflips came from MPC, not RL.
SDKDRC teams wrote their own software, none public later

Ratings & reviews

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Image credits