by Staff Writers
Manchester UK (SPX) Feb 28, 2017
The University of Manchester is to lead a consortium to build the next generation of robots that are more durable and perceptive for use in nuclear sites. The cost of cleaning up the UK's existing nuclear facilities has been estimated to be between 95 billion pounds and 219 billion pounds over the next 120 years or so. The harsh conditions within these facilities means that human access is highly restricted and much of the work will need to be completed by robots.
Present robotics technology is simply not capable of completing many of the tasks that will be required. Whilst robotic systems have proven to be of great benefit at Fukushima Daiichi NPP, their limitations, which include relatively straightforward tasks such as turning valves, navigating staircases and moving over rough terrain, have also been highlighted.
The new group comprising Manchester, the University of Birmingham, University of the West of England (UWE) and industrial partners Sellafield Ltd, EdF Energy, UKAEA and NuGen has been funded with 4.6m pounds from The Engineering and Physical Sciences Research Council.
It will develop robots which have improved, power, sensing, communications and processing power. They will also develop systems which are able to address issues around grasping and manipulation, computer vision and perception. Importantly the robots will be autonomous - able to operate without direct supervision by humans.
The University of Manchester's Professor Barry Lennox, who is leading this project, said: "This programme of work will enable us to fundamentally improve RAS capabilities, allowing technologies to be reliably deployed in to harsh environments, keeping humans away from the dangers of radiation."
Within the next five years, the researchers will produce prototype robots which will then be trialled in both active and inactive environments. It is anticipated that these trials will include using robotic manipulators to autonomously sort and segregate waste materials and to use multiple robots, working collaboratively, to characterise facilities that may not have been accessed for 40 years or more.
The technology will not only have potential for improving robots used at nuclear sites, but also in other hostile environments such as space, sub-sea, and mining. Or in situations such as bomb-disposal and healthcare which are dangerous or difficult for humans.
The University of Manchester has already developed small submersible and ground-based vehicles that can be deployed to survey nuclear facilities. Video available here and here which will be used in this project, allied with the skills and knowledge of the other partners.
Professor Lennox added: "If we are to be realistic about clearing up contaminated sites, then we have to invest in this type of technology. These environments are some of the most extreme that exist, so the benefits of developing this technology can also apply to a wide range of other scenarios."
Pullman WA (SPX) Feb 28, 2017
A Washington State University study of the chemistry of technetium-99 has improved understanding of the challenging nuclear waste and could lead to better cleanup methods. The work is reported in the journal Inorganic Chemistry. It was led by John McCloy, associate professor in the School of Mechanical and Materials Engineering, and chemistry graduate student Jamie Weaver. Researchers from ... read more
University of Manchester
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