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Updated: Jan 10, 2026

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
Published on: October 14, 2017
Loong: An Open-Source Platform for Full-Size Universal Humanoid Robot Toward Better Practicality.
Lei Jiang1,2,3, Heng Zhang2,3, Boyang Xing1,2,3
1The National and Local Co-Build Humanoid Robotics Innovation Center, Shanghai 201203, China.
This study introduces Loong, a full-size humanoid robot utilizing biomimetic design for enhanced human-like movement and efficiency. Loong overcomes technical challenges, improving control and adaptability for real-world applications.
Area of Science:
- Robotics
- Biomimetics
- Mechanical Engineering
Background:
- Full-size humanoid robots face challenges like high inertia and complex integration, limiting practical use.
- Existing designs struggle with biomimetic capabilities and control efficiency.
Purpose of the Study:
- To develop a full-size humanoid robot platform, Loong, that overcomes limitations of current designs.
- To enhance human-like movement, control efficiency, and system integration through biomimetic principles.
Main Methods:
- Incorporated a biomimetic design approach inspired by biological structures and movement.
- Developed highly biomimetic joint designs for enhanced human-like motion.
- Implemented a multi-level control architecture and high-speed real-time communication mechanism.
Main Results:
- Loong demonstrated enhanced human-like movements and improved control efficiency.
- Modular system integration facilitated mass production, maintenance, and adaptability.
- Experimental tests validated traversal of complex terrains (13 cm steps, 20° slopes) and object manipulation capabilities.
Conclusions:
- The biomimetic approach provides a viable solution for full-size humanoid robot challenges.
- Loong offers a new design paradigm, improving functionality and performance in dynamic environments.
- This work contributes to the practical deployment of humanoid robots and future hardware platforms.
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