The five finalists in the three-year Mobility Unlimited Challenge have been unveiled at CES in Las Vegas. The Toyota Mobility Foundation launched the $4 million global challenge in 2017 in partnership with Nesta’s Challenge Prize Centre, with the aim of improving the lives of millions of people with lower-limb paralysis.
The Challenge invited engineers, innovators, and designers from across the world to submit designs for game-changing technologies, incorporating intelligent systems, to improve the mobility and independence of people with lower-limb paralysis. Central to the Challenge is the importance of collaboration with end-users to develop devices which will integrate seamlessly into users’ lives and environments, while being comfortable and easy to use, enabling greater independence and increased participation in daily life.
The five finalists are:
- The Evowalk: Evolution Devices (United States) – a smart wearable leg sleeve that helps people with partial lower limb paralysis regain their mobility. The EvoWalk AI system uses sensors to predict the user’s walking motion and stimulates the right muscles at the right time to help them walk better.
- Moby: Italdesign (Italy) – an integrated network of wheel-on powered devices, allowing users of manual wheelchairs the convenience and benefits of a powered chair, accessible via an app-based share scheme.
- Phoenix Ai Ultralight Wheelchair: Phoenix Instinct (United Kingdom) – an ultra-lightweight, self-balancing, intelligent wheelchair which eliminates painful vibrations.
- Qolo (Quality of Life with Locomotion): Team Qolo, University of Tsukuba (Japan) – a mobile exoskeleton on wheels, allowing users to sit or stand with ease.
- Quix: IHMC & MYOLYN (United States) – a highly mobile, powered exoskeleton offering fast, stable and agile upright mobility.
Each of the five finalists will receive a grant of $500,000 to develop their concept further, with the final winner of the Challenge receiving $1 million in Tokyo in 2020.
In addition to the $500,000 grant, the finalists will attend tailored workshops, receive mentoring opportunities with engineering experts, and collaborate with end users to further the development of their concepts through to 2020.
Dr. Eric Krotkov, Chief Science Officer at Toyota Research Institute and one of the judges of the Challenge, stated: “There are so many technological opportunities to explore approaches to alleviate challenges stemming from lower-limb paralysis. A competition like the Mobility Unlimited Challenge gets innovators to focus on the same problem to identify something of great common interest that serves society. I am excited by these finalists who have a breadth of technical approaches – wheelchairs, orthotics, braces, exoskeletons. I look forward to seeing how they will take these devices out of their conceptual stage to help our end users.”
Phoenix AI flies the flag for the UK
The Phoenix AI wheelchair is an ultra-lightweight manual wheelchair made from carbon-fibre. Using smart sensors the chair will configure itself to what the user is doing so it remains in sync with how the user moves. The sensors detect if the user is leaning forward or back, algorithms will calculate the wheelchair’s response. The Phoenix AI will have many smart functions never before seen in wheelchairs, at the core is intelligent centre of gravity. The chair will continually adjust its centre of gravity to fit what the user is doing making for a chair that is easier to push and turn by eliminating drag and uncomfortable, painful vibration while also making the chair safe from falling backwards. Intelligent, lightweight power assist will make slopes easier to ascend while automatic braking will remove the need for users to grip the wheels to slow down.
Andrew Slorance from Phoenix Instinct, said:
“I’m delighted to have made it to the final five. I’ve worked towards this for years but didn’t expect to make it through! I’m so pleased the judges recognised that the wheelchair has proved itself as the most viable mobility device for decades and although it has done well it is now tired and in need of a serious makeover. I wanted to show how I think the wheelchair can be evolved while maintaining its core, proven fundamental capabilities that are behind its success as a mobility device.”
Ryan Klem, Director of Programs for Toyota Mobility Foundation commented: “These five finalists have shown real innovation driven by human-centered design. We think that the technology incorporated in these devices could change the lives of a huge number of people around the world, not just for people with lower-limb paralysis, but also those with a wider range of mobility needs. It will be fascinating to follow the teams’ journeys and see how the $500,000 grant will help them develop their ideas to bring to market and get them into users’ hands.”
To ensure entries from organizations of all sizes, the Challenge also offered ten teams seed funding in the form of $50,000 Discovery Award grants during the entry period. Of the ten Discovery Award winners, four went on to be selected as finalists.
Charlotte Macken of Nesta’s Challenge Prize Centre said: “Current personal mobility devices are often unable to fully meet the needs of users due to limitations affecting functionality and usability. Historically, the pace of innovation is slow, due to small and fragmented markets and difficulties in getting new technology funded by health-care systems and insurers. This can make the field unattractive to the very people who could help change the world. We hope that challenges like this can inspire innovation and are excited to see how the five finalists use this opportunity to develop their ideas further.”
Around the world, millions of people are living with lower-limb paralysis (the most common causes being strokes, spinal cord injury and multiple sclerosis). While there are no statistics on paralysis worldwide, the World Health Organization estimates there are 250,000-500,000 new cases of spinal cord injury globally every year.
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