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Scientists have created tiny, AI-powered robots that can crawl inside leaky pipes to fix them

The current design looks a little like a toy car.

Pipebot fixing leaky pipe

Photo Credit: iStock

Every day, an estimated 91 billion gallons of clean water are lost worldwide due to leaking pipes. In a world where freshwater supplies are limited and purifying polluted water takes energy, that’s a significant loss, affecting both our wallets and the environment. 

To prevent water loss from leaks — while also reducing the labor needed to maintain the world’s plumbing — engineers at the U.K.’s Integrated Civil and Infrastructure Research Centre (ICAIR) are developing a solution: a crew of tiny robots that will repair pipes from the inside.

Most pipe leaks are in areas that are hard for people to access, like inside walls or underground. Fixing them requires digging or demolition to uncover the pipe beforehand, and construction or landscaping work to restore the area afterward. 

Approaching leaks from the inside is simpler, faster, less labor-intensive, and less costly, but only the smallest devices can fit inside. Plumbers already use small robotic cameras on a tether to help with repairs, so the obvious next step is to create a version that works independently. The ICAIR engineers’ objective was to design a robot both small and powerful enough for the task.

The current design looks a little like a toy car, but with legs to help it adapt to difficult terrain inside the plumbing. Each “pipebot” has a camera and microphone to visualize and listen to the pipes and uses an AI system to analyze the data it collects and locate leaks. When it finds one, it will provide repairs — or, for larger jobs, call in a full team of robots to help. It also takes note of areas that are wearing out and may need repairs soon.

Fixing pipes from the inside with independent robots will make it cheaper and easier to maintain a plumbing system. It will also lower water bills, since homeowners won’t have to pay for the extra water lost through the leaks. Saving water is also good for the environment because it means freshwater supplies aren’t used up as quickly.

ICAIR’s project is not yet ready to launch, as the engineers are still working on features that will allow the pipebots to communicate with each other and navigate underground. However, they could be up and running in just four or five years — revolutionizing both the plumbing industry and our ability to conserve precious water.

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