Saelig Announces Sensor Solution To Monitor Driver Fatigue



Saelig Company, Inc. (www.saelig.com) has introduced a novel solution to monitor driver fatigue that is based on Plessey’s multi-award winning EPIC sensor technology. An array of EPIC electric potential sensors can be built into a vehicle seat back, with optimal sensing location chosen to eliminate differences in the operators’ height and build. Electrical artifact noise caused by movement is minimized by placing the sensors on the lower part of the seat back, away from the shoulders. The system uses a capacitive “driven-ground-signal” plane, placed under the seat cover fabric on the base of the seat, to form a system completely hidden from the car occupant. Additional noise reduction can be achieved by coupling this “driven-ground-signal” to the steering wheel. The system has been demonstrated to be immune to electrical noise sources within the vehicle, detecting > 95% of heart beat peaks over a variety of driving conditions.

Until recently, measuring an ECG signal in a car, truck or airplane meant having a set of electrodes attached to driver’s chest skin using gel and tape. However, because the EPIC sensor utilizes capacitive coupling, it can actually measure ECG through normal clothing and seat cover fabric without actual skin contact. By monitoring a parameter called Heart Rate Variability (HRV) – a measure of how stable the heart rate is from beat to beat – it is possible to tell when the driver is starting to become sleepy.

Studies have shown that driver fatigue may be a contributory factor in up to 20% of road accidents and up to 25% of fatal and serious accidents. Aircraft and industrial machinery accidents also reflect similar statistics. Manufacturers are constantly looking for ways to make their vehicles safer especially since safety can be a strong selling point. Aircraft accidents in particular not only cause untold personal damage, they also tarnish the safety record of both the airline and the aircraft maker.

The Plessey EPIC Vehicle Demo Kit includes: a seat pad containing a six EPIC sensor array on the back portion and a ground plane on the base, an interface box with a USB output to a PC, USB cable, and software for display and recording.

Made by Plessey Electronics, a leading European innovator in the development of integrated circuits and sensors, the EPIC Vehicle Demo Kit PS25502 is available in North America from Saelig Company, Inc. Fairport, NY, Plessey’s USA technical distributor.  For detailed specifications, free technical assistance, or additional information, please contact Saelig 888-7SAELIG, via email: info@saelig.com, or by visiting http://www.saelig.com/category/MFR0113.htm.

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Contact Information

Saelig Co. Inc.

1160-D2 Pittsford-Victor Road
Pittsford, NY, 14534
USA

tele: 585.385.1750
fax: 585.385.1768
sales@saelig.com
www.saelig.com

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