Title:
ERROR CORRECTION SYSTEM FOR INERTIAL NAVIGATION DEVICE, AND ERROR CORRECTION METHOD FOR INERTIAL NAVIGATION DEVICE
Document Type and Number:
Japanese Patent JP2022152525
Kind Code:
A
Abstract:
To provide an error correction system for an inertial navigation device which is capable of appropriately correcting an error such as a bias error occurring in an inertial navigation device installed in a flying object, and an error correction method for the inertial navigation device.SOLUTION: In an error correction system 1 for an inertial navigation device in each of a plurality of flying objects 2 which autonomously fly on the basis of positions and attitudes calculated by an installed inertial navigation device 10, an error correction device 13 installed in each flying object 2 corrects an error occurring in the inertial navigation device 10 of an own machine 2a on the basis of a measured angle residue (ΔAZ, ΔEL) being differences of an azimuth angle AZ1 and an elevation angle EL1 of another machine 2b based on own machine data calculated on the basis of a coordinate (az, el) of another machine 2b seen from the own machine 2a calculated by a coordinate calculation device 12, and an azimuth angle AZ2 and an elevation angle EL2 of another machine 2b based on another machine data calculated on the basis of position information of another machine 2b received by a wireless communication device 11 from another machine 2b.SELECTED DRAWING: Figure 2
Inventors:
ASAI TAKAYUKI
Application Number:
JP2021055326A
Publication Date:
October 12, 2022
Filing Date:
March 29, 2021
Export Citation:
Assignee:
SUBARU CORP
International Classes:
G01C21/16; B64C13/18; G08G5/00
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune
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