Link-Bots: The Future of Swarm Robotics Without Sensors or AI

What Are Link-Bots?

On May 9, 2025, researchers from Seoul National University and Harvard University introduced a groundbreaking concept in swarm robotics: the link-bot. Unlike traditional robots that rely on advanced sensors and AI, link-bots are simple, self-moving particles connected in chain-like formations. These structures naturally exhibit coordinated behaviors such as movement, object transport, and environmental interaction without the need for centralized control systems.

How Do They Work?

The link-bot system operates on basic mechanical principles. By adjusting the geometry of the connecting links, the system can change its shape and behavior to suit various tasks or environments. This design enables link-bots to perform complex actions like navigating tight spaces, blocking openings, and collaborating to transport objects—demonstrating the power of emergent collective behavior inspired by nature.

Why Is This Important?

The development of link-bots marks a significant advancement in robotics. By eliminating the need for sophisticated sensors and AI, these robots offer a more cost-effective and adaptable solution for tasks in challenging environments. Their ability to self-organize and perform complex tasks opens up new possibilities for applications in fields such as search and rescue, environmental monitoring, and industrial automation .

In summary, link-bots represent a shift towards simpler, more efficient robotic systems that harness the power of collective behavior. Their potential to operate without advanced technology makes them a promising avenue for future robotics research and application.

Key Highlights:

• Link-bots Introduced: A new type of simple swarm robot called "link-bots" was introduced by researchers from Seoul National University and Harvard University in May 2025.
• No Advanced Sensors or AI: Unlike traditional robots, link-bots don't rely on complex sensors or artificial intelligence. Instead, they work through basic mechanical principles and linked structures.
• Self-Organizing Behavior: These link-bots can move, change shape, and perform tasks like transporting objects or navigating tight spaces through simple, coordinated movements.
• Emergent Collective Behavior: The robots demonstrate collective behavior inspired by nature, enabling them to perform complex actions without central control or advanced systems.
• Applications: Link-bots have significant potential in fields such as search and rescue, environmental monitoring, and industrial automation, offering a cost-effective and adaptable robotic solution.

Reference:

https://techxplore.com/news/2025-05-gen-swarm-robots-simple-linked.html#google_vignette