Bridging the Gap to Bionic Motion: Challenges in Legged Robot Limb Unit Design, Modeling, and Control

Area of Science:

• Robotics
• Mechanical Engineering
• Biomimetics

Background:

• Bionic legged robots mimic animal and human locomotion for dynamic performance.
• Legged robotics is a multidisciplinary field integrating engineering and biological principles.
• Lower limb design is crucial for maximizing robot agility and performance.

Purpose of the Study:

• To review recent structural design developments in single-legged robots.
• To summarize current modeling approaches and control strategies.
• To identify challenges and future directions in legged robot research.

Main Methods:

• Comprehensive literature review of single-legged robot structural design.
• Systematic summary of prevailing modeling techniques.
• Analysis of current control strategies for dynamic performance.

Main Results:

• Recent progress in structural optimization for single-legged robots.
• Overview of established and emerging modeling and control methodologies.
• Identification of key challenges in achieving high dynamic performance.

Conclusions:

• Structural design, modeling, and control are critical for advanced legged robots.
• Further research is needed to overcome current limitations and explore future applications.
• This review provides a valuable reference for researchers and engineers in legged robotics.