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On the use of low-cost radar networks for collision warning systems aboard dumpers
The use of dumpers is one of the main causes of accidents in construction sites, many of them with fatal consequences. These kinds of work machines have many blind angles that complicate the driving task due to their large size and volume. To guarantee safety conditions is necessary to use automatic aid systems that can detect and locate the different objects and people in a work area. One promising solution is a radar network based on low-cost radar transceivers aboard the dumper. The complete system is specified to operate with a very low false alarm rate to avoid unnecessary stops of the dumper...
Mobile Equipment Safety System
Many workplace fatalities and serious injuries occur when workers are struck by or caught in heavy mobile equipment, such as forklifts, log loaders, dump trucks and bulldozers. A key factor is the poor visibility that equipment operators often have, which makes it difficult to see people on the ground. This project developed a wireless system that can detect and issue warnings when a machine approaches workers or certain objects, and shut down or slow the machinery if it gets too close. In year one, the sensor technology was refined, and a prototype of the device was built, installed in a forklift...

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