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Unitree A1

Sold By: Ednology

In stock

High performance, high-speed quadruped robot!

A1 is a high speed, highly agile mid-size quadruped robot that navigates even tricky terrain with unparalleled mobility, hitting speeds of 13 km/h for up to 2.5 hours on a single charge.  An onboard AI-powered multi eye intelligent depth camera enables autonomous object tracking and obstacle avoidance, transmitting HD footage in real-time, while a 5 kg payload capacity and plentiful connection interfaces allow the integration of numerous external sensors.

A1 is a robot dog that can capture data, and execute tasks and routines safely and accurately, with consistently high performance.

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SKU: 00016450 Category:
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Applications

  • Research and development
  • Education
  • Inspection and maintenance
  • Patrol and detection
  • Last-mile delivery
  • Care
  • Exploration and rescue

Features

High speed

  • The fastest, most stable quadruped robot in its class with a maximum continuous running speed of 3.3 m/s.

Incredible stability

  • Advanced dynamic balancing algorithm enables A1 to swiftly regain its balance following impact or falls.

Multi eye intelligent depth camera

  • Active infrared stereo depth technology.
  • 1080p resolution with real-time transmission.
  • Depth distance of 0.3 – 10 metres.
  • Error accuracy within 2 metres = <2%

Patented power system

  • 5 kg payload capacity.
  • 1 – 2.5 hour operating time.
  • A crucial feature for high-speed locomotion, A1’s highly tuned power system generates up to 33.5 N-m torque.
  • Maximum joint velocity of 21 rad/s.
  • Access to all sensor data.
  • Position, speed and torque commands can be sent separately to each motor.
Function / Specification A1 motor Comparable competitors
Maximum torque 33.5 N·m about 18 N·m
Weight 605g 480 ~ 550g
Joint angular acceleration feedback Equipped No
Torque / weight ratio 55.37 N·m/kg 37.5 ~ 32.73 N·m/kg
Encoder resolution 15bit 14bit
Output bearing reliability Large size reliable industrial cross roller bearings. Conventional thin-wall bearings, which are fragile after falling or under axial impacts.

Patented body structure and layout

  • High strength, lightweight, easy to maintain. 
  • 24V external power input. 5V, 12V, 19V power supply, enabling additional external equipment. 
  • Equipped with high-performance dual master control (sensing master control and motion master control).
  • External interface: 4 x USB, 2 x HDMI, 2 x Ethernet
  • Master control can be upgraded to TX2.
  • Standard configuration includes RealSense depth cameras.
  • Capable of map building and obstacle avoidance.

Patented sensitive foot contact

  • Integrated force sensor at each foot end, enabling real-time contact states of feet in any situation. 
  • Greater accuracy and sensitivity than systems that estimate feet contacts using motor currents. 
  • Integrate foot contact sensors with estimated motor current foot sensors to provide extremely high sensitivity and reliability. 
  • The foot end is waterproof and dust-proof, and easy to replace. 

Vision-based autonomous object tracking

  • Realtime tracking of objects within visual range.
  • Support online machine learning of the target features.
  • Displaying the confidence of tracking using colour box (green → red, 100% → 0%) 

Vision-based autonomous object avoidance

  • Avoid obstacles within 0.8m of the robot’s visual range
  • Capable of detecting the obstacle shapes to adjust the body position. 
  • Realtime display of the adjustment of the robot’s body, maximum distance and area within the visual angle, and the range of the walking track.

LiDAR integration

  • Integrate high-resolution LiDAR to support map building, autonomous positioning, navigation planning, and dynamic obstacle avoidance.

User-friendly interface

  • Connect directly to the robot’s built-in dual main control and bottom controller via ethernet. 
  • Ideal for real-time data transmission such as visual perception. 
  • Access to lower-level control – read and control all motors and sensors of the robot in real-time with easy to use open-source robot algorithm. 
  • Access to high-level control – send high-level movement commands such as forward, backward, left and right movements to the robot directly. 

Proven software and hardware reliability

  • More than six years in the field of quadruped robot design and development
  • One A1 robot performed backflips 80 times during CES 2020
  • Used closed-loop backflip algorithm to ensure motion stability

Additional information

Weight

12 kg

Dimensions (Standing)

50 x 30 x 40 cm

Dimensions (Folded)

45 x 30 x 15 cm

Payload capacity

5 kg

Operating time

1 – 2.5 hours

Maximum speed

1.5 m/s

Servos

12

User control interface

4 x USB, 2 x HDMI, 2 x Ethernet

Degrees of freedom per leg

3

OS

ROS

Cameras

Multi eye intelligent depth camera, AI powered

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