Spherical Robots for Special Purposes: A Review on Current Possibilities

Area of Science:

• Robotics
• Mechanical Engineering
• Sensor Technology

Background:

• Spherical robots offer unique mobility and internal protection via shells.
• Current spherical robots often have limited sensing capabilities, primarily for internal functions.
• Diverse driving mechanisms exist for spherical robots, each with distinct properties.

Purpose of the Study:

• To review existing driving mechanisms and sensors for spherical robots.
• To propose the integration of advanced environmental sensors for enhanced capabilities.
• To conceptualize a specialized spherical robot for underground exploration.

Main Methods:

• Literature review of spherical robot driving mechanisms.
• Analysis of current sensor limitations in spherical robots.
• Proposal for incorporating external sensors like cameras, LiDAR, thermocouples, and gas sensors.

Main Results:

• A comprehensive overview of spherical robot locomotion systems.
• Identification of opportunities to augment sensing with environmental data acquisition.
• Conceptual design framework for an exploration-focused spherical robot.

Conclusions:

• Integrating advanced sensors significantly expands the utility of spherical robots.
• Specialized spherical robots can be designed for critical underground exploration tasks.
• This technology can enhance safety and efficiency in hazardous environments like mines and tunnels.