The takeaway
“Autonomous” is one of the keys to the next wave of innovation Consilia Vektor describes as the iROAD stack: intelligent real-time operational autonomous decentralized. This research is one more step forward.
The details
A research team at Cornell University has developed modular robots that can perceive their surroundings, make decisions, and autonomously assume different shapes in order to perform various tasks. The accomplishment brings the vision of adaptive, multipurpose robots a step closer to reality.
General-purpose robots have plenty of limitations. They can be expensive and cumbersome. They often accomplish only a single type of task. But modular robots – composed of several interchangeable parts, or modules – are far more flexible. If one part breaks, it can be removed and replaced. Components can be rearranged as needed – or better yet, the robots can figure out how to configure themselves, based on the tasks they’re assigned and the environments they’re navigating.
Self-organizing robots work together to climb stairs. (Source: Cornell University)
“This is the first time modular robots have been demonstrated with autonomous reconfiguration and behavior that is perception-driven,” said Hadas Kress-Gazit, associate professor of mechanical and aerospace engineering at Cornell and principal investigator on the project.
The robots are composed of wheeled, cube-shaped modules that can detach and reattach to form new shapes with different capabilities. The modules have magnets to attach to each other, and Wi-Fi to communicate with a centralized system.
Other modular robot systems have successfully performed specific tasks in controlled environments, but these robots are the first to demonstrate fully autonomous behavior and reconfigurations based on the task and an unfamiliar environment, Kress-Gazit said.
“I want to tell the robot what it should be doing, what its goals are, but not how it should be doing it,” she said. “I don’t actually prescribe, ‘Move to the left, change your shape.’ All these decisions are made autonomously by the robot.”
The work was funded by the National Science Foundation.
A chain of self-organizing robots. (Source: Cornell University)
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