Aquatic vehicle for exploration and in-situ sensing

Enhanced byRAIN

Remote Operated Vehicle, 150mm version

The AVEXIS™ is a small underwater vehicle that been designed to survey and monitor hazardous environments, ensuring a more efficient decommissioning process and protecting human workers from harm.

The AVEXIS™ was originally developed for the Sellafield nuclear decommissioning site, in particular surveying the legacy ponds and silos, and has been involved in many collaborations;

  • An international effort, twinned with the Japan Atomic Energy Agency (JAEA), National Maritime Research Institute (NMRI) and Nagaoka University to adapt the AVEXIS™ for deployment at the Fukushima Daiichi nuclear plant during decommissioning of the site after the 2011 tsunami.
  • Radiation tolerance tested at JSI Triga Reactor, Slovenia
  • A commercial version was developed in partnership with Forth Engineering, although the registered trademark resides with University of Manchester.


The AVEXIS™ is currently being kitted out with radiological sensors, developing improved control systems, combining with multiple robotic platforms for multi-agent inspection, whilst we also continue to work on complimentary technology such as underwater positioning systems, underwater visual 3D reconstruction and more.

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