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 4:58 PM

Turkey: A new player in Killer Drone Arena

It is almost two decades since the military drone (Unmanned Aerial Vehicle --UAV) was used by any country (The USA) for aerial attack in a combat mission. It has led to a rush among the countries to acquire military drones through indigenous development programs or import from other countries.

Turkey tried to import the military drones from the USA and Israel but the product which it got was not up to the mark. After experiencing the difficulties in importing effective military drones, Turkey, through its robust private sector defence industry, started serious work to develop indigenous capability around 2010.  This focus paid off and in less than a decade Turkey became a major player in the production and export of military drones.

Bayraktar TB2 is Turkey’s first indigenously produced armed drone. It is developed by a private company “Baykar Makina.” This drone can fly at an altitude of 24,000 feet for up to 24 hours and relies on ground control stations for communication. With a range of up to 150 kilometres, it can carry a payload of 120 pounds and has become the backbone of its unmanned air force

The other heavier and satellite-linked military drone is ANKA-S which made its operational debut in 2019 during the battle over Idlib in Syria. It is manufactured by Turkish Aerospace Industries which is the giant of defence production in Turkey. It can fly for more than 24 hours carrying a 400-pound payload, and has the ability to detect, identify and track ground targets.

As of March 2020, Turkey has around 130 armed drones belonging to different versions of Bayraktar TB2, ANKA, and Karayel in service. These drones were critical in Turkey’s strikes against the Kurdish rebels and regime forces in Syria. Turkish drones were also credited to swing the momentum in the favour of UN recognised Libyan government against the onslaught by the renegade strongman; General Haftar led Libyan National Army in Libya

A report published by C4ISRNET, a publication that covers technology for defence and intelligence communities, said “Turkey’s decision to send a mass-coordinated UAV attack points to its availability of options It also stated that "Turkey joins the United States, United Kingdom, France, Israel, China and Iran as drone-armed nations."

As a logical extension to expanding drone programs Turkey has started looking for the opportunities in the competitive global market for military drones. It has so far exported the drones to Qatar, Ukraine, and Azerbaijan and is reportedly in talks with Pakistan, Indonesia, and Tunisia for the same.

The rapid advancement in the design, development, deployment, and export of killer drones has put spotlight on Turkey as a new player in a fiercely contested arena which is so far dominated by established heavyweight players.

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