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Parking availability judging device for vehicle, parking space detector for vehicle and movable range detector for vehicle

A technology for judging device and moving range, applied in measurement devices, vehicle components, vehicle safety arrangements, etc., can solve problems such as poor convenience of use and inability to judge, and achieve the effect of reducing computing load and achieving high precision

Inactive Publication Date: 2013-06-26
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, the above-mentioned prior art also has the problem that once the parking space to be parked is not passed by, it cannot be judged whether the car can be parked there, resulting in poor usability.

Method used

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  • Parking availability judging device for vehicle, parking space detector for vehicle and movable range detector for vehicle
  • Parking availability judging device for vehicle, parking space detector for vehicle and movable range detector for vehicle
  • Parking availability judging device for vehicle, parking space detector for vehicle and movable range detector for vehicle

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no. 1 approach

[0072] Such as figure 1 As shown, the parking possibility judging device for a vehicle according to the present embodiment uses the radar device 11 installed at the front end of the vehicle to detect the memory in the area of ​​80° left and right, totaling 160° in the horizontal plane centered on the vehicle body axis of the own vehicle. Obstacles such as other cars or walls, so as to determine whether there is a parking space where the own car can park. In this example, the left side of the road where the own car stops is a wall, and a plurality of other cars are parked in parallel on the right side, and there is a parking space Sp between the plurality of other cars.

[0073] An x-y rectangular coordinate system with the position of the radar device 11 as the origin is fixed on the vehicle, the y-axis coincides with the vehicle body axis, and the x-axis is perpendicular to the y-axis. The radar device 11 scans with electromagnetic waves within an angular range of 160° in th...

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Abstract

A radar (11) transmits electromagnetic waves at predetermined time intervals in order to scan a predetermined angular range surrounding the own vehicle in the horizontal direction, and, when the reflected waves of the electromagnetic waves reflected off an object are received, the points on the object where the electromagnetic waves are reflected are detected based on the reception results of the reflected waves, whether a parking space (Sp) is available or not is judged based on the prestored body dimension data of the own vehicle and the arrangement of reflection points, and further whether a vehicle can be parked in the parking space (Sp) or not is judged. Since a judgment is made as to whether a vehicle can be parked or not based on the width (Wx) of the road and the width (Wy) of the parking space (Sp) calculated based on the arrangement of reflection points, a judgment can be made more precisely as to whether a vehicle can be parked in the parking space (Sp) or not.

Description

technical field [0001] The present invention relates to a parking possibility judging device for a vehicle for accurately judging the presence or absence of a parking space where parking is possible, and a space detection for a vehicle for accurately judging the presence or absence of a parking space where parking is possible from a near position A device, and a movable range detection device for a vehicle for accurately judging the presence or absence of a movable range of the own vehicle for parking in a parking space. Background technique [0002] The following Patent Document 1 discloses the following technology: When the own car passes through the parking space, the relative distance from the own car to the surrounding objects is detected by a distance sensor composed of a laser radar or a photoelectric sensor, and the distance is detected using a steering angle sensor and a vehicle speed sensor. The position of the own vehicle is compared with the detection results of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/14B60R21/00
CPCB62D15/027G08G1/14G08G1/16G01S2015/935G01S2015/936G08G1/165G08G1/168
Inventor 笹岛豪相贺义光浅羽崇
Owner HONDA MOTOR CO LTD
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