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Patent Searching and Data


Title:
DRIVING ASSISTANCE DEVICE AND DRIVING ASSISTANCE METHOD
Document Type and Number:
WIPO Patent Application WO/2013/038531
Kind Code:
A1
Abstract:
Provided are a driving assistance device and driving assistance method that are able to appropriately assess whether driving assistance is needed, and to effectively assist driving. The driving assistance device (1) is provided with: a collision time prediction unit (31) that predicts a TTC and TTV; a driving assistance assessment unit (35) that applies the TTC and TTV to a map (M), and assesses whether to assist driving in a host vehicle; a driving assistance control unit (39) that controls driving assistance in the host vehicle; and an extension mode determination unit (37) that assesses whether a speed in a direction intersecting the direction in which a moving body is advancing is no more than a first threshold value, and the TTC is no more than a second threshold value, and determines to assist driving in the host vehicle if said conditions are satisfied. If the extension mode determination unit (37) has determined to assist driving, the driving assistance control unit (39) continues the driving assistance in the host vehicle even if the driving assistance assessment unit (35) has determined not to assist driving.

Inventors:
SHIMIZU MASAYUKI (JP)
HAYASAKA SHOICHI (JP)
SATO MINAMI (JP)
Application Number:
PCT/JP2011/071039
Publication Date:
March 21, 2013
Filing Date:
September 14, 2011
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
SHIMIZU MASAYUKI (JP)
HAYASAKA SHOICHI (JP)
SATO MINAMI (JP)
International Classes:
G08G1/16; B60R21/00; B60W30/095
Foreign References:
JP2010003086A2010-01-07
JP2009282702A2009-12-03
JP2011170869A2011-09-01
JP2010250501A2010-11-04
Other References:
See also references of EP 2757540A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Download PDF:
Claims: