UBTECH Robotics Walker S1
Walker S1 robot profile with source-backed specifications.
Data & sources
- Official
- 1
- Unofficial research
- 1
Key specifications
- Height
- 1.45 m
- Weight
- 77 kg
- Total degrees of freedom
- 36 DOF
- Single-arm payload
- 1.5 kg (extended state)

Specifications
Physical specifications
3- Height
1.45 m
- Weight
77 kg
- Battery mass
6 kg
Actuation
6- Total degrees of freedom
36 DOF
- Degrees of freedom per leg
6 DOF per leg
- Degrees of freedom per arm
7 DOF per arm
- Neck degrees of freedom
2 DOF
- Servo joint count
36 high-performance servo joints
- Integrated drive unit
Frameless torque motor; Precise harmonic reduction; Drive controller; Dual encoder
Power
5- Battery chemistry
Lithium iron phosphate
- Battery voltage
54.6 V
- Battery capacity
10 Ah
- Charging time
2 h
- Runtime
2 h
Mobility
2- Self balancing interference resistance
Self-balancing and Interference Resistance
- Navigation system
U-SLAM Navigation and Autonomous Path Planning
Manipulation
3- Hand degrees of freedom
4 DOF per hand
- Single-arm payload
1.5 kg (extended state)
- Reach
0.54 m (single arm)
Sensors
2- Sensor modalities
force, vision, hearing and spatial awareness
- Recognition modalities
Face/Object/Scene Recognition
Compute
2- Processor options
Intel i7 7500U Frequency 2.7Ghz; Intel i5 6200U Frequency 2.3Ghz
- Software system
Operating system: Ubuntu + Linux RT Preempt + ROS + Android; Emulation platform: URDF+Gazebo
Other
6- Terrain compatibility
Carpet; Floor; Grass; Stairs; Uphill; Tiles; Obstacles
- Interaction modalities
Text; Voice; Vision; Movement; Environment
- Smart home control
Walker has an open and convenient smart home interface, which can be used to assist users to control lights, appliances and sockets and other home devices independently according to the use cases.
- Wifi specification
Wi-Fi: 802.11 a/b/g/n 5G/2.4 GHz dual-band
- Ethernet interface
Ethernet: RJ45 interface
- Fieldbus protocol
EtherCAT: High-speed real-time bus