ROAD INFORMATION DETECTING DEVICE AND VEHICLE CRUISE CONTROL DEVICE
First Claim
1. A road information detecting device mounted on a vehicle, the device comprising:
- a representative point calculation module for calculating a representative point that corresponds to geometry of a road on which the vehicle is traveling, based on a received signal obtained by receiving a wave transmitted from a transmission antenna and reflected by a target and based on positional information on a stationary target located in a traveling direction of the vehicle;
a corresponding straight line calculation module for calculating at least one of a left side corresponding straight line that corresponds to a left side edge of the road and extends in the traveling direction of the vehicle and a right side corresponding straight line that corresponds to a right side edge of the road and extends in the traveling direction of the vehicle, based on positional information on a plurality of representative points detected by the representative point calculation module;
a reference corresponding straight line setting module for setting, among the corresponding straight lines calculated by the corresponding straight line calculation module, one corresponding straight line that has a most distal end more proximal to the vehicle than that of the other corresponding straight line as a reference corresponding straight line; and
a curve information detecting module for, in case where the left side corresponding straight line and the right side corresponding straight line were calculated by the corresponding straight line calculation module, detecting information on curving geometry of the road based on positional information on a representative point calculated in a process targeted area by the representative point calculation module, the process targeted area being an area that is sandwiched between the left side corresponding straight line and the right side corresponding straight line and extends in the traveling direction of the vehicle and is also distal to the most distal end of the reference corresponding straight line.
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Accused Products
Abstract
A representative point corresponding to geometry of the road on which the vehicle is traveling is calculated based on positional information on a stationary target detected by a radar, and based on positional information of the calculated representative points, left and right side corresponding straight lines that correspond to left and right side edges of the road are calculated. With one of the corresponding straight lines that has a most distal end more proximal to the vehicle than that of the other being set as a reference corresponding straight line, information on curving geometry of the road is detected based on positional information on a representative point within a process targeted area that is sandwiched between the left and the right side corresponding straight lines and extends in the traveling direction of the vehicle and is also distal to the most distal end of the reference corresponding straight line.
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Citations
10 Claims
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1. A road information detecting device mounted on a vehicle, the device comprising:
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a representative point calculation module for calculating a representative point that corresponds to geometry of a road on which the vehicle is traveling, based on a received signal obtained by receiving a wave transmitted from a transmission antenna and reflected by a target and based on positional information on a stationary target located in a traveling direction of the vehicle; a corresponding straight line calculation module for calculating at least one of a left side corresponding straight line that corresponds to a left side edge of the road and extends in the traveling direction of the vehicle and a right side corresponding straight line that corresponds to a right side edge of the road and extends in the traveling direction of the vehicle, based on positional information on a plurality of representative points detected by the representative point calculation module; a reference corresponding straight line setting module for setting, among the corresponding straight lines calculated by the corresponding straight line calculation module, one corresponding straight line that has a most distal end more proximal to the vehicle than that of the other corresponding straight line as a reference corresponding straight line; and a curve information detecting module for, in case where the left side corresponding straight line and the right side corresponding straight line were calculated by the corresponding straight line calculation module, detecting information on curving geometry of the road based on positional information on a representative point calculated in a process targeted area by the representative point calculation module, the process targeted area being an area that is sandwiched between the left side corresponding straight line and the right side corresponding straight line and extends in the traveling direction of the vehicle and is also distal to the most distal end of the reference corresponding straight line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification