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Unitree Aliengo

Unitree Aliengo

Unitree Aliengo is a high-performance quadruped robot developed by Unitree Robotics for research institutions and industrial applications.

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Key Features

  • Multi-view Depth Sensing Vision system
  • High Explosive Athletic Performance
  • Complex Terrain Adaptation
  • Long Endurance & Super Load
  • Rich External Interfaces & Card Slots
  • Integrated
  • Advanced Level of Protection
  • Built-in Intelligent Air-cooling System

Specification

Excellent Sportiness

12 High-performance Servo Motors

It can easily realize special sports forms such as fast running, backward running, left and right side shifting, turning in place, creeping forward, rolling over, jumping, crossing obstacles, avoiding obstacles, climbing in place after falling to the ground, going up and down slopes/steps.

The maximum walking speed exceeds 1.5M/S.

The fuselage has a good ability to resist impact, and the fuselage can resist the impact load well when running, jumping, colliding with foreign objects and falling.

Good Stability

Even if there is external interference, the attitude can be quickly adjusted to achieve a stable operating state.

Force Control Technology of Joint Compound Control

It can realize the full control of 3-axis attitude and position, so it has strong multi-terrain adaptability and can operate stably on rugged gravel roads and grassland roads.

Good Openness

The software control interface is divided into high-level interface and the underlying interface control interface supports C/C++, ROS, etc. Allows reading of all types of sensor data. Allows control of a single motor or a single leg movement.

Rich External Interfaces

The developer version comes with an onboard PC and opens the corresponding interfaces. Users are allowed to carry their own modules (such as vision cameras, lidar, robotic arms, GPS systems, etc.) for interactive control. External interfaces include: HDMIx2, Ethernet port x2, USB 3.0x2, USB 2.0x1, 485 port x1.

Multi-view Deep Sensing Vision

Depth Camera x2sets
Global Shutter and Wide Field of View
Minimum Sensing depth of 0.11 meters
Up to 1280×720 Depth Resolution

Visual Odometer Camera x1set
Highly optimized V-SLAM with a closed-loop offset of less than 1% and a delay of less than 6 milliseconds between attitude action and action reflection.
The fisheye lens imager, combined with a near-hemispherical 163° field angle, enables stable tracking with fast movement.

Unitree Aliengo

Parameter Unitree Aliengo
Weight (without battery)
21.5kg ±1kg
Dimensions (L x W x H, Stand)
0.65 x 0.31 x 0.6 m
Dimensions (L x W x H, Fold)
0.60 x 0.31 x 0.15 m
Load Capacity
13 kg
Maximum Walking Speed
>1.5 m/s
Climbing Angle
≤25°
Endurance
2.5–4.6 h
Battery Capacity
13000 mAh
Total Degrees of Freedom (Motors)
12
Number of Foot Force Sensors
4
Protection Mode
Wireless emergency stop, fall protection
Alarm System
Low voltage, over‑temperature, short circuit, overcharge
Onboard Power Outputs
5V, 12V, 19V, BAT (24V–30V)
Joint Encoder Type
Motor encoder x1, output‑end encoder x1
Joint Cables
Fully built‑in
Joint Torque Protection
Physical protection
Reducer Wear Protection
Supported
HD Real‑time Image Transmission
Supported
External Interfaces
HDMI x2, Ethernet x2, USB 3.0 x2, USB 2.0 x1, RS485 x1
Real‑time Operating System
Motion control: Ubuntu; Sensing: Ubuntu‑ROS
Sensing Hardware
Depth camera (2), visual odometry camera (1), LiDAR (optional single or multi‑line)
Sports Functions
Step over obstacles, climb slopes/stairs, stand up from ground, roll over and stand up, support walking/running and other high‑performance gait development