Attention technologies driver fatigue

Perclos provides early warnings during this progression of drowsiness based on the frequency and length of eye closures. Eye closures of three to four seconds are common for drowsy drivers.

The Perclos camera has four controls adjustable by the driver: volume, brightness, sound selection and sensitivity selection. There are six sounds ranging from a gentle beep to an aggressive klaxon.

The visual display shows the driver how far he has traveled with eyes closed. During two nights of testing with owner-operator Russ Schaefer, the Perclos camera proved its mettle, warning Schaefer numerous times of eyelid closure.

The device is loud enough to help maintain wakefulness, and the readout of distance traveled can frighten a driver who believes he has seen the road constantly. Another readout displays the number of eyelid closures and the frequency during the past hour. The watch provides a time display and is worn on the wrist. It measures the activity of the wearer, both when sleeping and awake.

When a wearer is asleep, the watch relates the measure of activity to a mathematical algorithm based upon a pre-existing standard of sleep. At the touch of a button the watch will then read back to its wearer the length and quality of his sleep as a percentage of available energy.

This relationship makes it possible for the watch to determine sleep quality. Much like a fuel gauge, the watch will show sleep as a reservoir, which is drained by activity, making the readout easy to understand. The watch also measures performance and fitness for duty. A sleep reservoir below 65 percent full is considered to be a sign the driver needs sleep and should not drive.

Sleep and performance are displayed. An arc shows hours when significant sleep has occurred 24 hours back from the current clock time.

The watch has a sensor that cancels out the mechanical movement of the truck, for example, and can discern if the watch has been taken off and put in a stable location.

The fuel gauge-style readout of performance level is constantly available by glancing at the watch face, and you can see a percentage display at the touch of a button.

Kazlausky emphasizes the watch is a personal feedback device. Then he can make decisions about his sleep and his driving time.

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Facial Recognition and prolonged distractions The system detects when fleet drivers are distracted and looking away from the road, and will warn them of doing so. Key Benefits. Improves driving style. Request further info Get in touch.