Title:
推定装置
Document Type and Number:
Japanese Patent JP6670083
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an estimation device capable of accurately estimating a height of a step on a traveling surface.SOLUTION: An estimation device includes a step detection section 13 for calculating a pitch angle of a wheelchair 100 having front wheels 101 and rear wheels 102, and estimating a height of a step on the basis of a pre-step pitch angle Pa_before calculated immediately before the front wheels 101 reach the step, an after-step pitch angle Pa_after calculated immediately after the rear wheels 102 pass the step, a pitch angle Pa_step_slope calculated during a period after the front wheels 101 pass the step till the rear wheels 102 reach the step and including the step and a slope portion, and a wheel base length H of the wheelchair 100.SELECTED DRAWING: Figure 2
Inventors:
Masahiro Kato
Ryoko Niihara
Fujitani Tafumi
Ryoko Niihara
Fujitani Tafumi
Application Number:
JP2015234647A
Publication Date:
March 18, 2020
Filing Date:
December 01, 2015
Export Citation:
Assignee:
Pioneer Corporation
International Classes:
G08G1/00; A61G5/02; G01C21/32
Domestic Patent References:
| JP2014077257A |
Attorney, Agent or Firm:
Fumio Takino
Toshiaki Tsuda
Toshiaki Tsuda