PREDICTIVE AND NON-INVASIVE MONITORING
ASTiD®, which stands for Advisory System for Tired Drivers uses a predictive, non-invasive approximation model to detect the onset of dangerous driver tiredness.
It’s an early warning system designed to help drivers become more aware of their own limitations and to empower them to monitor and manage their fatigue risk before they become too impaired to stop themselves falling asleep at the wheel.
ASTID® continually monitors the known factors that contribute to driver sleepiness namely the time of day of the driving, the monotonous nature of the driving and the drivers prior sleep quality.
Inertial sensor then detect the subtle over-corrected steering adjustments that are the tell-tale signs of early loss of attention and concentration due to a build-up of driver fatigue.
ASTiD® comprises of two linked systems that continually assesses the various factors known to contribute to driver sleepiness.
The assessment of these factors is then used to produce a Fatigue Index (fatigue score) which is outputted every minute.
This Fatigue Index increases and decreases over the course of the shift following the peaks and dips of the circadian influence (human body clock).
At some point, an early warning alert may be generated warning the driver to the fact they may be getting tired
even before they themselves may be fully aware of it.
KNOWLEDGE BASED SYSTEM
The first system within the technology is “knowledge based” and provides an electronic template predicting hour by hour the likelihood of the driver falling asleep over a 24-hour period (circadian influence).
STEERING SENSORY SYSTEM
The second system is a “steering sensory” system which is able to detect: Monotonous driving and vehicle movement (steering) characteristics typifying fatigued driving.
For more information about our ASTiD® system please follow this link.
ASTiD® Summary of Operation
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