Flushing out the future: AI robots take on sewage spills


Emergency sewage repairs are expensive, disruptive, and disgusting. That’s why researchers are developing AI-powered sewer bots that will detect and fix blockages before they wreak havoc.

Deep in the depths of the sewer, beneath your feet, lies one of the filthiest and most repulsive places on Earth. The trouble is that this disgusting sewage can sometimes rise to the surface, flooding homes and streets – just ask the residents of cities with old drainage systems like Rome, Athens, or London.

Instead of waiting for these spills to overflow and inconvenience (or endanger) entire communities, a sophisticated new four-year project named PIPEON has begun at the Tallinn University of Technology. Its goal? To proactively prevent a crisis before it begins.

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Funded by the European Union, the PIPEON project aims to detect and repair blockages early, offering greater peace of mind for society, the economy, and the environment.

There are numerous technological hurdles when tackling sewage issues, including the lack of GPS underground, varying pipe sizes, and harsh conditions. Imagine working in complete darkness, with high humidity, toxic gases, corrosive wastewater, unpredictable water flow, and solid debris like fats and grease.

Factor in the labyrinthine, unmapped underground networks and the constantly changing pipe dimensions, and the challenge becomes even greater.

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Typically, robots handle tedious, unmanned tasks, but PIPEON seeks to go further by developing autonomous sewer bots that don’t require human operation. AI will guide them instead of GPS.

One key partner, the Italian startup Herobots, is designing innovative actuation systems that will allow these sewer robots to navigate unpredictable underground environments, handling obstructions like grease buildup and shifting water levels.

The European Commission has recently approved the Urban Wastewater Treatment Directive, which states that early preventative repair of sewer systems “will limit the frequency and volume of sewage spills from sewer overflows into rivers.”

Emergency sewage spill repairs are exceptionally costly, but collaborating research teams from institutions like the University of Sheffield and the Norwegian University of Science and Technology are working to make proactive maintenance a reality.

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By the end of the project, prototype bots will be tested in various European cities. With over three million kilometers of sewerage infrastructure across the continent, this radical new approach could set the standard for the next decade – keeping waste in its place, rather than making a mess of our future.