Science and Technology Daily, Beijing, March 20 (Reporter Zhang Mengran) The British "Nature" magazine published a new breakthrough in engineering on the 20th: the American team of scientists developed a robot that can simulate the collective migration of biological cells, enabling the movement and handling of objects. And move to the light stimulus. The study provides a new way to develop large-scale group robotic systems with pre-determined behavior and is more scalable than traditional robots and biomimetic systems that have been born.

Designed modular or group robot systems that simulate biological behaviors such as self-assembly, repair, and handling, most systems require centralized control or are too complex in design to limit system capabilities and scalability.

With this in mind, a minimalist system designed by Columbia University scientist Folly Lipson and colleagues can reduce these limitations. This type of robot consists of simple disc-shaped "particles" that are simpler to manufacture and easier to scale than complex robots.

A single robot "particle" does not move and can only stretch like a camera aperture; but when they are loosely gathered together, the program can make them respond to a single gradient signal (such as light) and oscillate according to the offset mode, collectively Move toward the stimulus.

In the test, the researchers used 25 physical robot "particles" to demonstrate the behavior of moving, moving objects and moving toward light stimulation, and demonstrated the scalability of the system with 100,000 "particles" simulation experiments.

In addition, the simulation predicts that the system will continue to move with 20% particle failure. In traditional robotic systems, the absence of a single individual often leads to failure of the entire system. Scientists at the Max Planck Institute for Intelligent Systems in Germany believe that this new robot has the scalability and robustness that traditional robotic systems do not have – this is an anti-interference ability parameter, also in abnormal and dangerous situations. The key to system survival.

Editor-in-chief

The creatures on earth are made up of cells, and the ability of the cells to operate collectively is so powerful and complex that people cannot yet fully understand. If you can simulate a certain degree of cell combination movement in the intelligent field and can easily expand, then theoretically you can use the large-scale robot to create unlimited possibilities. Even one or a few of the members “have no mobility” will have a big impact on the overall effect, which is almost unimaginable for previous robot systems.

Source: Technology Daily

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