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Walker S2 (Ubtech)

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Description

SUMMARY:

 

Walker S2 is a next‑generation humanoid robot developed by UBTECH as a lighter, more efficient, and more deployable variant of its flagship Walker platform. Designed for household assistance, hospitality, office support, and public‑space interaction, Walker S2 focuses on reliability, smooth locomotion, and safe manipulation rather than high‑torque industrial performance.

It represents UBTECH’s push toward practical humanoid deployment in everyday environments.

 

EDITORIAL:

 

Walker S2 is UBTECH’s answer to a simple question: What does a humanoid need to be useful today? Not acrobatics. Not extreme torque. Not flashy demos. Just stable walking, reliable hands, and AI that understands the world well enough to help.

Where Walker X is the flagship, Walker S2 is the deployment model — the robot you could actually imagine in a hotel lobby, a smart home, or a corporate workspace. It’s lighter, more efficient, and tuned for long‑duration operation. S2 shows that UBTECH isn’t just building humanoids for research labs; it’s building them for the real world.

 

Specifications:

 

PHYSICAL

Height: ~165 cm

Weight: ~60–65 kg

Body Type: Full‑size humanoid

Degrees of Freedom: ~35–38 DOF (varies by configuration)

Frame: Lightweight aluminum + composite shell

Design: Slimmer, energy‑efficient architecture vs. Walker X

MOBILITY

Locomotion: Bipedal walking

Walking Speed: ~1.0–1.2 m/s

Balance System:

Whole‑body control

Dynamic stabilization

Smooth indoor gait

Capabilities:

Walking and turning

Step negotiation

Stable interaction while moving

MANIPULATION

Arms: Electric actuators (service‑class)

Hands:

5‑finger dexterous hands

Simplified mechanics vs. Walker X

Payload: ~2–3 kg per arm

Capabilities:

Picking up household objects

Opening doors

Carrying items

Light tool interaction

ACTUATORS

Type: Electric servo actuators

Joint Torque: Moderate (optimized for safety and efficiency)

Motion Style: Smooth, human‑like, low‑impact

SENSORS

Vision:

RGB cameras

Depth cameras

IMU: Multi‑axis inertial sensing

Force/Torque: Joint‑level sensing

Audio: Microphone array

Touch: Tactile sensors in hands

Proprioception: Full‑body state estimation

AI & COMPUTE

AI Stack:

Vision‑language reasoning

Object recognition

Navigation AI

Human‑robot interaction

Compute: Onboard embedded PC

Connectivity: Wi‑Fi, Ethernet

BATTERY & POWER

Battery Life: ~2–3 hours

Swappable Battery: Yes

Charging: Dock or manual charge

USE CASES

Smart home assistance

Hospitality & concierge tasks

Office support

Retail & public‑space interaction

Education & research

Demonstrations & events

 

Image: AINewsDailyHub

 

Company Source:

 

- UBTECH Robotics – Walker S2 Official Page  

https://www.ubtrobot.com/en/humanoid/products/walker-s2  

 

Key News & Coverage:

 

- Yonhap / PRNewswire – UBTECH Walker S2 Begins Mass Production  

https://www.yna.co.kr/view/RPR20251117008200353  

 

- HeyupNow – UBTECH Unveils Walker S2, 1.76m Tall, 24/7 Operation  

https://heyupnow.com/blogs/news/ubtech-unveils-the-full-size-industrial-humanoid-robot-walker-s2-standing-1-76-meters-tall-and-capable-of-24-7-operation