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System for recognizing left-hand or right-hand driving conditions

  • US 20050209764A1
  • Filed: 05/19/2005
  • Published: 09/22/2005
  • Est. Priority Date: 11/21/2002
  • Status: Abandoned Application
First Claim
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1. System for evaluating the traffic environment of a motor vehicle and for influencing the speed of the motor vehicle in its own lane, comprising an electronic control unit (ECU), which is connected to a signal generator generating a signal which is characteristic of the desired speed of the motor vehicle, a signal generator generating a signal which is characteristic of the yaw rate of the motor vehicle about its vertical axis, a signal generator which generates, for objects located in the space lying in front of the motor vehicle in its direction of travel, a signal which is characteristic of the distance and orientation of the objects with respect to the driver'"'"'s motor vehicle and which reproduces the speed relative to the speed of the driver'"'"'s motor vehicle, and either the angular offset relative to the vehicle longitudinal axis of the driver'"'"'s motor vehicle and the distance relative to the driver'"'"'s motor vehicle or the angular offset or the lateral deviation relative to the vehicle longitudinal axis of the driver'"'"'s motor vehicle, and a signal generator generating a signal which is characteristic of the speed at least of one wheel of the motor vehicle, and which unit is connected to at least one control device which influences the road behavior of the motor vehicle in order to supply said device with output signals which are derived from the road behavior of the motor vehicle located in front of the driver'"'"'s motor vehicle, in which, in order to identify left-hand or right-hand traffic, the speed of motor vehicles traveling in front of the driver'"'"'s motor vehicle in the lanes provided is established and a characteristic value is derived from this in the ECU, which value indicates whether the driver'"'"'s motor vehicle is in a situation with left-hand or with right-hand traffic, characterized in that motor vehicles driving in front of the driver'"'"'s vehicle are evaluated only if the radius of the lane exceeds a predetermined threshold value:

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