Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
VEHICLE TRAVEL CONTROLLER
Document Type and Number:
Japanese Patent JP3646605
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To enable a travel on a general road while fixing the distance between vehicle by controlling the speed of its own car while predicting the state of a signal when a preceding car and its own car are passing through a crossing since it is possible to move into a crossing in the state of yellow signal without knowing the state of the signal when moving the preceding car into the crossing in the case of driving while following the preceding car without grasping the state of the signal when passing the crossing.
SOLUTION: This device is provided with a signal characteristic acquiring means for acquiring characteristics Cs of the signal of the crossing, a road information acquiring means for acquiring crossing information containing distance to the crossing, a crossing arriving time calculating means for calculating the time for its own car and the preceding car to reach the crossing on the basis of the distance to the crossing, the speed of the present car and the traveling state of the preceding car, a signal state predicting means for predicting the state of the signal on the basis of the signal characteristics and the crossing arriving time, and a control content changing means for changing the traveling control contents of its own car corresponding to the predicted state of the signal.


Inventors:
Takenaga Hiroshi
Satoshi Kuragaki
Hiroto Mori
Application Number:
JP2000052179A
Publication Date:
May 11, 2005
Filing Date:
February 23, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
株式会社日立製作所
International Classes:
B60K31/00; B60R21/00; B60W30/00; B60W30/16; B60W40/02; F02D29/02; G01C21/10; G08G1/0962; G08G1/0967; G08G1/16; (IPC1-7): G08G1/16; B60K31/00; B60R21/00; F02D29/02; G01C21/10
Domestic Patent References:
JP11175897A
JP3005866B2
JP8285942A
JP11321377A
JP996359A
JP11213300A
JP200057499A
Attorney, Agent or Firm:
Yukihiko Takada