WORK MANAGEMENT SYSTEM, AND WORK MANAGEMENT METHOD - HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD

Title:

WORK MANAGEMENT SYSTEM, AND WORK MANAGEMENT METHOD

Document Type and Number:

WIPO Patent Application WO/2023/119714

Kind Code:

A1

Abstract:

The present invention is configured so as to: calculate a prediction error occurring on a movement path between an accuracy decrease position and an accuracy restoration position; and, if the prediction error exceeds an allowable error, change a reference station that receives a correction signal.

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Inventors:

SATO HIROAKI (JP)
BANDO MIKIO (JP)
YANAGIHARA NORIHISA (JP)
TANIKAWARA MAKOTO (JP)

Application Number:

PCT/JP2022/030441

Publication Date:

June 29, 2023

Filing Date:

August 09, 2022

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Assignee:

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)

International Classes:

G01S19/43; E01C19/23; G01S19/07; G01S19/49; G05D1/02

Domestic Patent References:

WO2019049541A1	2019-03-14
WO2021220418A1	2021-11-04

Foreign References:

JP2016173709A	2016-09-29
JP2020038498A	2020-03-12
JP2021060259A	2021-04-15
US11019459B1	2021-05-25

Attorney, Agent or Firm:

SEIRYO I.P.C. (JP)

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