The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 11, 2018

Filed:

Feb. 17, 2014
Applicant:

Nec Corporation, Minato-ku, Tokyo, JP;

Inventor:

Motoaki Shimizu, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 21/00 (2006.01); G05D 19/02 (2006.01); G01C 21/18 (2006.01); G05B 15/02 (2006.01);
U.S. Cl.
CPC ...
G05D 19/02 (2013.01); G01C 21/18 (2013.01); G05B 15/02 (2013.01);
Abstract

Provided is a spatial stabilization apparatus that realizes high spatial stability with a single inertial sensor. The present invention includes: a first object that is rotatably connected to a moving body; a second object that is rotatably connected to the first object; means that measures angular velocity of either the moving body or the first object and outputs a first detected signal that includes one or more components of an orthogonal coordinate system that is fixed to either the moving body or the first object; means that outputs an estimated signal that is estimated or detected angular velocity with respect to a first angle of the first object in relation to the moving body: means that outputs a target angle signal of the first angle; means that outputs a target angle signal of a second angle of the second object in relation to the first object; means that outputs a second detected signal obtained by adding a signal based on the estimated signal and a signal based on the first detected signal; means that controls the first angle based on a signal based on the target angle signal of the first angle and a signal based on the first detected signal; and means that controls the second angle based on a signal based on the target angle signal of the second angle and a signal based on the second detected signal.


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