Saturday, August 1, 2020

Student creates a robotic guide dog for visually impaired

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Charvi Trivedi

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Student creates a robotic guide dog for visually impaired

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Global Views 360

Publication Date

August 1, 2020

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The prototype of handheld robotic guide dog

The prototype of handheld robotic guide dog | Source: Anthony Camu via Loughborough University

Anthony Camu, a final year Industrial Design and Technology student at Loughborough University is making headlines with his latest creation of a handheld robotic guide dog. This will be a great help to those people with visual impairment who might find it difficult to accommodate an actual guide dog in their homes.

The robot is named after the Titan goddess of light, ‘Theia’ and is shaped like a virtual gaming controller, which enthused Anthony to create this masterpiece in the first place. Theia listens to the user’s voice to lead them to their desired locations.

If the user has to go to some address (for eg. House number 4, 56th Street, Greenville Residency), they have to say ‘Hey Theia take me to House number 4, 56th Street, Greenville Residency*’. It will then process the actual data available online, like traffic density, and program the most secure route for the user to follow, quite similar to how GPS or satellite navigation works in our cars.

All the information is then communicated to the user via a machine built inside it, called a control moment gyroscope which uses the mechanism of ‘forced feedback’. These are used in spacecraft and their main function is to help in orientation purposes of the spacecraft, or in controlling the ‘spacecraft attitude’ using electric power.

This tiny built-in gyroscope physically moves the user’s hand in the direction they are supposed to go, thus giving them a feeling of being led by an actual guide dog. “The main intention was never to replace guide dogs, but instead to provide an alternative means of giving enhanced mobility options to visually impaired people” says Anthony Camu.

According to Mr. Camu, Theia will also be helpful in confronting challenging interactions like elevators or shops. While crossing a busy street, it will tend to ‘push back’ the users, cautioning them to be more sentient about their current surroundings. Moreover, Theia is quite pocket-friendly, costing about one-tenth the price of a real guide dog.

This tool will also contribute in imparting a sense of belonging and reduce the constant mental hassle and anxiety faced by the visually impaired population of the world. Since they are unable to assess their surroundings, it limits their outdoor movement. This will help them move in the outdoors more often and reduce stress while navigating the traffic on the road.

Anthony has created and experimented with many prototypes of Theia and some work is still needed to correct a few issues before the final launch his product in the market

However, he concluded that Theia has a promising future and it requires just a little more testing and research.“I know this is a grand vision, but I hope people can see the positive effects Theia could have on the blind community” he states.

*This address is fictional. Any similarity is purely coincidental.

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February 4, 2021 4:36 PM

How Iceland Beat the Pandemic Without Imposing a Lockdown

Like the rest of the world, Iceland also has to face the COVID-19 situation. This European country of approximately 3.5 lakh population registered the first case of COVID-19 virus on the 1st March 2020 and the number of the infected hit a peak on the 5th May 2020. The active cases declining afterwards and on 24th of May there were only three active cases. Iceland’s response to COVID-19 has been widely lauded.

The country’s small population enabled extensive testing; instead of simply testing symptomatic or exposed people, also tested the general population. Along with the Icelandic health authorities, deCode Genetics, which is an organization committed to mapping and understanding the human genome, undertook the task of testing the general and non-symptomatic population for free. Consequently, Iceland has tested a higher portion of inhabitants than any other country, making it easier to trace how the infection spreads. There has been no lockdown imposed; however, the government has been taking measures to spread awareness for voluntary self-quarantine measures. The government also banned gatherings of more than 20 people on 24th of March which was relaxed to 200 from 25th of May.

The strategy followed by the government of Iceland was based on robust testing, contact tracing of infections, social distancing, increasing public’s awareness of hand-sanitation and voluntary self-quarantine, along with strict measures in healthcare institutions. Through effective contact tracing the healthcare workers were able to reach out to people who came in contact with COVID-19 infected people and recommend them to self-quarantine.

The government was very open in communicating with the citizens on the status of COVID-19 situation in the country. Half an hour long daily briefing on Iceland’s local response to the pandemic was relayed on the public’s screens for the past months until the 25th of May. The briefings were led by Þórólfur Guðnason, Alma Möller and Víðir Reynisson who are the Chief Epidemiologist, Director of Health and Director of Iceland’s Department of Civil Protection and Emergency Management respectively.

Iceland has shown that robust testing regime, contact tracing, and clear communication to the public can be very effective in controlling the COVID-19 before it could turn into a pandemic.

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