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Patent Searching and Data


Title:
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/045099
Kind Code:
A1
Abstract:
The present disclosure relates to an information processing device, an information processing method, and a program which enable observation values of a plurality of sensors to be suitably synthesized according to the noise characteristics of the plurality of sensors and conditions for the observation values. The present invention calculates an Allan variance as the characteristics of each of the plurality of sensors, designates a time window length of the Allan variance as a condition when observation values of the plurality of sensors are synthesized, calculates a weight for each sensor so that the sum of the Allan variances in the designated time window length is minimized, and synthesizes the observation values of the plurality of sensors by performing a product sum operation on the observation values of the plurality of respective sensors and the calculated weights for the respective sensors. The present disclosure can be applied to multiple IMUs.

Inventors:
TAKEDA HARUTO (JP)
YAMASHITA KOSEI (JP)
KAMATA HIROYUKI (JP)
Application Number:
PCT/JP2019/032013
Publication Date:
March 05, 2020
Filing Date:
August 15, 2019
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
G01D1/04
Foreign References:
JP2011108111A2011-06-02
JP2007143226A2007-06-07
JP2014507628A2014-03-27
Other References:
ISAAC SKOG: "Inertial Sensor Arrays, Maximum Likelihood, and Cramer-Rao Bound", IEEE TRANSACTIONS ON SIGNAL PROCESSING, vol. 64, no. 16, 2016, XP011615781, DOI: 10.1109/TSP.2016.2560136
L. GALLEANI ET AL.: "Interpretation of the Dynamic Allan Variance of Nonstationary Clock Data", PROCEEDINGS OF THE IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM, 2007, pages 992 - 997, XP031138118
See also references of EP 3845863A4
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
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