Magnetic Control Strategies of Microrobot Swarm for Biomedical Applications.

Area of Science:

• Biomedical Engineering
• Robotics
• Materials Science

Background:

• Microrobot swarms offer advanced capabilities for biomedical tasks due to their size and collaborative potential.
• Magnetic field-driven microrobots are ideal for in-vivo applications owing to contactless control and deep tissue penetration.

Purpose of the Study:

• To review magnetic control strategies for microrobot swarms in biomedical applications.
• To explore interaction mechanisms, driving forces (torque, force), and dynamic field control.
• To detail autonomous, controllable, and hybrid control strategies.

Main Methods:

• Review of existing literature on magnetic microrobot control.
• Analysis of magnetic field-microrobot interaction principles.
• Categorization and explanation of different control strategies and their mechanisms.

Main Results:

• Detailed overview of magnetic torque, force, and dynamic magnetic field driving mechanisms.
• Introduction to three primary magnetic control strategies: autonomous, controllable, and hybrid.
• Identification of key application areas including targeted drug delivery and biological sensing.

Conclusions:

• Magnetic control strategies are crucial for advancing microrobot swarm applications in biomedicine.
• Further development is needed to overcome challenges and realize the full clinical potential of microrobot swarms.
• This review provides a foundation for future research in magnetic microrobot swarm technology.