Control information storage apparatus and program for same
First Claim
1. A control information storage apparatus comprising:
- a position detector that detects a current position of a vehicle;
an information storage that stores a travel locus of the vehicle based on the current position of the vehicle as control information to be utilized for controlling the vehicle at an exit from an intersection;
a control point detection unit that detects an exit point from the intersection as a control start point for starting a control of the vehicle;
an object detection unit that detects a featured object on a road;
a map acquisition unit that acquires map data for representing a road by using a node that is positioned in an intersection and a link that connects the nodes, whereinthe information storage stores the control start point detected by the control point detection unit as the control information,the control point detection unit detects a detection point where the vehicle passes by an object that is closest to a point where a link that corresponds to a road traveled by the vehicle is changed from among plural locations of featured objects detected by the object detection unit, andthe control point detection unit detects the detection point as the control start point.
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Abstract
A navigation apparatus stores control information used for controlling a vehicle in a portion of a road between two intersections (i.e., an exit from an intersection) in a form that is associated with each of plural links in road data. For example, a stop line at an entrance to an intersection is detected as a control end point, and a point at an exit from an intersection is detected as a control start point. In addition, a travel locus of the vehicle is stored as control information associated with the control start point and the control end point based on an absolute position of the vehicle. The control information is output to a vehicle control unit when the vehicle travels the road with the control information available for use by the control unit. In this manner, the control unit of the navigation apparatus precisely controls the vehicle based on a shape of the road in a real world.
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Citations
20 Claims
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1. A control information storage apparatus comprising:
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a position detector that detects a current position of a vehicle; an information storage that stores a travel locus of the vehicle based on the current position of the vehicle as control information to be utilized for controlling the vehicle at an exit from an intersection; a control point detection unit that detects an exit point from the intersection as a control start point for starting a control of the vehicle; an object detection unit that detects a featured object on a road; a map acquisition unit that acquires map data for representing a road by using a node that is positioned in an intersection and a link that connects the nodes, wherein the information storage stores the control start point detected by the control point detection unit as the control information, the control point detection unit detects a detection point where the vehicle passes by an object that is closest to a point where a link that corresponds to a road traveled by the vehicle is changed from among plural locations of featured objects detected by the object detection unit, and the control point detection unit detects the detection point as the control start point. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification