Technology Puts Blind Drivers Behind the Wheel  

Oleh:

Mraz, Stephen J.

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 81 no. 21 (Nov. 2009), page 22.
Topik: Blind People; Drivers; Car; Virginia Tech Team

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Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.60 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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To spur development of technologies that could give blind people more independence, the National Federation of the Blind issued a challenge to engineers and inventors in 2004: Build a car that blind individuals can drive. Two years later, only the Robotics and Mechanism Laboratory at Virginia Tech had taken up the challenge. The school’s Mechanical Engineer Dept., and nine undergrad students spent about two years on the project with the help from a $3,000 grant from the Federation, plus hardware and software donations from interested companies. The Federation challenge mandated that drivers could navigate a curved course defined by a single lane of traffic cones; regulate speed within a predefined limit; and stop in time to avoid a collision. With funds limited, the Virginia Tech team, now named the Blind Driver Project, started with a relatively simple dirt buggy and began adapting it for a new kind of driver. One of the first steps was to add a Hokuyo UTM-30LX single-plane laser range finder, which acts much like a radar. The sensor sends range and distance data on objects in front of the car to a CompactRIO real-time controller from National Instruments. The controller contains an FPGA that processes targets, translating the range-finder’s data into information the drive can use to stay on the road and avoid obstacles (cones).

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