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Nissan Concept Car to Showcase Anti Drunk-Driving Technology Review

August 2007
Filed under: NISSAN Car News | NISSAN Headlines

Shift knob alcohol odor sensor

TOKYO (August 3, 2007)--Nissan Motor Co., Ltd. has revealed a new concept car featuring multiple preventative features designed to help reduce drunk driving. Presently integrated on-board a production model Nissan Fuga sedan, the various technologies are designed to detect the driver's state of sobriety and to activate a range of preventive measures including immobilization of the vehicle.

Alcohol Odor Sensors

1. A hi-sensitivity alcohol odor sensor is built into the transmission shift knob, which is able to detect the presence of alcohol in the perspiration of the driver's palm as he or she attempts to start driving. When the alcohol-level detected is above the pre-determined threshold, the system automatically locks the transmission, immobilizing the car. A “drunk driving” voice alert is also issued via the car navigation system.
2. Additional alcohol odor sensors are also incorporated into the driver’s and passenger seats to detect the presence of alcohol in the air inside the vehicle cabin. When alcohol is detected, the system issues both a voice alert and a message alert on the navigation system monitor.

Passenger seat alcohol odor sensor

Facial Recognition System

A camera is mounted on the instrument cluster facing the driver to monitor the driver’s face. The system is calibrated to monitor the driver's state of consciousness through the blinking of the eyes.

Camera

Facial monitoring image
When the system detects signs of drowsiness, a voice and message alert is triggered via the navigation system. Additionally, a seat-belt mechanism is activated which tightens around the driver to gain his or her immediate attention.

Driving Behavior

By constantly monitoring the operational behavior of the vehicle (e.g. sensing if the vehicle is veering out of its driving lane), the system can identify signs of inattentiveness or distraction in the driver. When the system detects such behavior, voice and message alerts are issued via the navigation system. The seat-belt alert mechanism is also activated, tightening around the driver to gain immediate attention.

System Configuration

This concept car was developed as an exploratory platform to showcase breakthrough technologies that could potentially be applied in future production cars, part of an ongoing program from Nissan contributing towards the prevention of drunk driving.

Nissan has already launched and is developing several initiatives to help prevent drunk driving. In June, the company introduced the “drunk driving” message alert on its navigation system. In July, Nissan also began testing of a new on-board breathalyzer system in cooperation with several local government authorities, where an interlock mechanism will immobilize the vehicle if the driver’s breath indicates the presence of alcohol above a specified level.

Nissan is taking holistic approach towards safety that extends beyond the technology built into its vehicles. To achieve a “safe driving environment”, Nissan has embarked on the Intelligent Transport System Project (ITS) in Kanagawa Prefecture – aimed at helping to reduce road accidents via the analysis of traffic data collected from on-the-road vehicles and traffic beacons. In Japan, the company’s safety vision is to halve the number of traffic fatalities or serious injuries involving Nissan vehicles by 2015 compared with the level in 1995.

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Source: Nissan

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