Author: Deekshitha R.
College: SRM Arts and Science College (SRMASC)
Department: B.A. English
ALLEX: Advancing Human-Level Dexterity in Robotics
Introduction
WIRobotics, a robotics company based in South Korea, has introduced ALLEX, a humanoid robot engineered with advanced dexterity and responsiveness. Unlike traditional robots that rely mainly on vision and programmed motion, ALLEX responds directly to physical stimuli such as force, contact, and impact. This design makes it one of the most human-like robots currently in development.
Design and Mechanical Features
High-Precision Hand
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15 Degrees of Freedom (DOF) provide flexibility for detailed manipulation.
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Detects force levels as low as 100 grams-force without touch sensors.
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Offers ≤0.3 mm fingertip precision, enabling tasks that require accuracy such as threading, fine assembly, or lab handling.
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Grip strength of 40 Newtons, capable of supporting a load of more than 30 kilograms.
Arm Mechanics
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Uses actuators with over 10× lower friction and 10× lower rotational inertia compared to standard collaborative robot arms.
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Movements are smoother, faster, and more adaptive to external forces, resulting in human-like motion.
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Backdrivable joints make the arm compliant, allowing safe interaction when touched or moved.
Lightweight Upper Body
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Hand weight: 700 g.
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Shoulder-to-hand assembly: 5 kg.
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Despite the low weight, ALLEX can lift 3 kg with one hand, a capability usually seen in much heavier 20 kg robots.
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The lightweight structure increases energy efficiency while retaining strength.
Whole-Body Force Compliance
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Built-in compliance extends to fingers, arms, and waist.
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No external force sensors are needed for responsive adjustment.
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This system allows natural interaction, reduces risk in close human environments, and makes training with reinforcement learning more reliable.
Development and Vision
WIRobotics was founded in 2021 by engineers formerly associated with Samsung Robotics. Since its launch, the company has produced mobility and wearable assistive robots, winning CES Innovation Awards in 2024 and 2025.
The vision for ALLEX is broader:
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By 2030, the company plans to deliver a general-purpose humanoid platform.
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ALLEX components arms, hands, torso are modular, enabling flexible use in research labs, industrial setups, or specialized robotics projects.
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Current partnerships include RLWRLD (AI startup) and leading institutions such as MIT, UIUC, UMass, KIST, and Maxon. These collaborations focus on enhancing intelligence, robustness, and commercialization.
Applications
ALLEX’s engineering makes it suitable for multiple domains:
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Manufacturing: Precision assembly, component testing, machine operation.
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Healthcare: Assisting with patient care, supporting rehabilitation, handling delicate equipment.
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Research: Robotics experiments, AI learning platforms, reinforcement learning training.
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Domestic support: Potential future use as a household assistant capable of lifting, organizing, and handling objects safely.
Why ALLEX Matters
Robotics development often struggles with the gap between machine control and real-world adaptability. ALLEX addresses this gap with:
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Safety: Built-in compliance reduces risk of accidents in human interaction.
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Versatility: The modular system adapts to different industries.
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Precision: Fine motor control exceeds most current humanoid platforms.
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Efficiency: Lightweight build with strong load-bearing capability optimizes performance.
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AI Integration: Readiness for reinforcement learning creates possibilities for autonomous adaptability.
Conclusion
ALLEX represents a significant advancement in humanoid robotics. With high-precision hands, responsive arms, lightweight yet strong mechanics, and modular design, it is positioned as a step toward practical, everyday humanoid robots. WIRobotics’ long-term vision places ALLEX at the center of a future where robots are not limited to industrial roles but can function as capable partners in daily life.
