Title:
OBSTACLE POSITION DETECTING DEVICE
Document Type and Number:
Japanese Patent JP2728187
Kind Code:
B2
Abstract:
PURPOSE: To evade an obstacle for traveling without indiscriminately stopping when the obstacle is detected in front of a vehicle at no increased cost.
CONSTITUTION: Two laser radars 3A, 3B are installed apart by a fixed distance on the front section 6 of a vehicle 2, when an obstacle is detected at the preset distance Lob on the X-axis in the front, the reception characteristics of the laser radars 3A, 3B can be shown by curves mA, mB centering on a point -(a) and a point (a) depending on the position of the obstacle on the X-axis. A fuzzy rule is prepared based on the reception levels shown by mA, mB and the distance from the obstacle, the distances of the obstacle from the point -(a) and (a) are determined, and the distance of the obstacle from the origin 0 is determined based on the distance information and the reception levels mA, mB of two laser radars 3A, 3B.
Inventors:
HATSUTORI AKIRA
Application Number:
JP26237191A
Publication Date:
March 18, 1998
Filing Date:
October 09, 1991
Export Citation:
Assignee:
NITSUSAN JIDOSHA KK
International Classes:
G01C21/00; B60R21/00; B60W30/00; G01S17/06; G01S17/88; G01S17/89; G01S17/93; G08G1/16; (IPC1-7): G01S17/93; B60R21/00; G01S17/06; G08G1/16
Domestic Patent References:
| JP51108858A | ||||
| JP3164345A | ||||
| JP3104884U |
Attorney, Agent or Firm:
Shigenori Wada