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Title:
SYSTEM IDENTIFICATION DEVICE, SYSTEM IDENTIFICATION METHOD, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/163701
Kind Code:
A1
Abstract:
A system identification device 1 includes an analysis unit 105 that calculates a self-frequency response function on the basis of an input signal and an output signal measured by a measurement unit 103 at a position where a subject physical system 106 has been excited by a vibrating unit 102. The analysis unit 105 performs system identification of the subject physical system 106 by using an impulse response function obtained from the calculated self-frequency response function and an impulse response function of a virtual two-degrees-of-freedom model modeling the subject physical system 106 that is the subject of analysis. This makes it possible to perform system identification of systems with close eigenvalues.

Inventors:
TAKATA Soichiro (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
INOUE Hirofumi (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
SHINODA Shigeki (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
KIKUCHI Katsumi (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2019/005805
Publication Date:
August 29, 2019
Filing Date:
February 18, 2019
Export Citation:
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Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
International Classes:
G05B23/02; G01M7/02
Attorney, Agent or Firm:
SHIMOSAKA Naoki (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
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