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 4:40 PM

Gaza under Israeli blockade — Its Impact on COVID-19

The Gaza Strip has faced massive destruction due to Israeli-led blockade since 2007. Israel controls all the entry and exit points of Gaza which it uses to restrict the movement of goods and people between Gaza and the outside world, effectively turning it into the “largest open-air prison” in the world. Gaza, as a result of the humanitarian crisis since the last 13 years is now one of the most densely populated yet the poorest spaces in the world. This has adversely impacted the delivery of public services, including healthcare service in Gaza strip. According to the head of the International Committee of the Red Cross (ICRC) sub-delegation to Gaza, Ignacio Casares, the health system in Gaza “is already overstretched, already at its limit,”. Daily power cuts and irregular electricity supply add on to this which forces Doctors to rely on generators during emergencies. This horrible condition was documented earlier as well in a 2017 UN Report which stated that the Gaza Strip would be “unlivable” by 2020. 

The 13 years long blockade has forced the government as well as people living in Gaza to manage the harsh conditions with the meagre resource at their disposal.  The WHO  had pointed out in a report last year that all the patients and their companions were required to apply for Israeli permits to exit the Gaza Strip for accessing the hospitals in the West Bank, including East Jerusalem, and Israel,". "Access has been particularly problematic in 2019, with the patient permit approval rate declining”. 

People in Gaza strip are now battling the COVID-19 pandemic also with the help of simple whatever meagre resources at their disposal. The healthcare and other authorities understood that they would not be able to provide the hospitalization if the pandemic broke out, so they took some immediate steps to contain the COVID-19 from the early stage. The places of large public gathering like street markets, shops, shopping malls, wedding halls were ordered to lock down by State authorities. A senior official with the Hamas movement said at a news conference that officials were considering imposing a curfew. Using the traditional methods, the authorities built more than 1000 quarantine rooms in the Gaza Strip. Palestinian Ministry of Health states that quarantine centres are established in three places: Rafah, Deir Al-Balah, and Khan Younis. More than 1000 people who came from the Israel and Egypt borders were quarantined in schools, hotels, and hospitals. 

With the increase in the number of cases, society started displaying anxiety and fear but it was overcome by mutual cooperation. The State of Palestine and its citizens has proved that the constraints cannot become an obstacle in dealing with the pandemic.

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