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Patent Searching and Data


Title:
SENSOR PERFORMANCE EVALUATION SYSTEM AND METHOD, AND AUTOMATIC DRIVING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/075210
Kind Code:
A1
Abstract:
This sensor performance evaluation system is provided with: a recording unit (5) in which, with respect to each of a plurality of ground-installed objects (1) installed beside a track (9) on which a vehicle (8) equipped with an external sensor (3) of a track transportation system travels, an installation position of the ground-installed object (1) and an installation identifier of the ground-installed object (1) are recorded; an installed object recognition unit (4) that identifies the installation identifier on the basis of external sensor information including information detected by the external sensor (3), and recognizes the ground-installed object corresponding to the installation identifier with reference to the recording unit (5); and a detection distance calculation unit (6) that calculates a detection distance of the external sensor (3). The detection distance calculation unit (6) calculates the detection distance of the external sensor (3) on the basis of: the position of the vehicle (8) when the ground-installed object (1) is recognized; and the installation position of the ground-installed object (1) recognized by the installed object recognition unit (4). The installation identifier of the ground-installed object (1) is preferably a two-dimensional barcode.

Inventors:
ODA ATSUSHI (JP)
KATSUTA KEIICHI (JP)
Application Number:
PCT/JP2020/035592
Publication Date:
April 22, 2021
Filing Date:
September 18, 2020
Export Citation:
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Assignee:
HITACHI LTD (JP)
International Classes:
B61L25/04; B60L3/00; B60L3/08; G01S7/40; G01S13/08; G01S13/93
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (JP)
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