Title:
ADVANCEMENT DIRECTION CALCULATION DEVICE, ADVANCEMENT DIRECTION DETERMINATION METHOD, AND CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2018/186077
Kind Code:
A1
Abstract:
In the present invention, the advancement direction of a user who is walking is calculated with high accuracy. A period identification unit (13) identifies at least a portion of a deceleration period, in which the horizontal component of acceleration is negative, as a stable deceleration period, such identification carried out on the basis of changes in the vertical component of acceleration. A deceleration vector calculation unit (14) calculates a deceleration vector indicating the deceleration direction in the stable deceleration period. An advancement direction determination unit (15) determines the advancement direction of the user on the basis of the deceleration vector.
Inventors:
OHYAMA SHIGEO
WAKITA SHIGEYUKI
WAKITA SHIGEYUKI
Application Number:
PCT/JP2018/008152
Publication Date:
October 11, 2018
Filing Date:
March 02, 2018
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
G01C21/16; G01C21/26; G01P15/18
Foreign References:
| JP2014167460A | 2014-09-11 | |||
| JP2012168004A | 2012-09-06 | |||
| JP2003302419A | 2003-10-24 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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