公开(公告)号：US09851331B2

公开(公告)日：2017-12-26

申请号：US14406242

申请日：2013-01-11

Applicant: NEC CORPORATION

Inventor： Yasuhiro Sasaki ,  Masatake Takahashi ,  Shigeki Shinoda

IPC: G01N29/12 ,  G01N29/04 ,  G01N29/44 ,  G01M3/24 ,  G01M7/00

CPC classification number: G01N29/12 ,  G01M3/243 ,  G01M7/00 ,  G01N29/045 ,  G01N29/4436 ,  G01N2291/0258

Abstract: Disclosed is a structure analyzing device and a structure analyzing method which can analyze a state change of a structure, which is caused before the structure is destroyed, such as a state change of degradation of the structure or the like. A structure analyzing device (10) includes a vibration detecting unit (11) which detects a vibration of a structure, and an analysis unit (12) which analyzes an output signal of the vibration detecting unit (11). The analysis unit (12) analyzes a state change of the structure by comparing a value of resonant sharpness Q, which is measured by use of the following formula (1) in a state existing when carrying out analysis, with a value of resonant sharpness Q which is measured by use of the following formula (1) in a standard state.

公开(公告)号：US20150236610A1

公开(公告)日：2015-08-20

申请号：US14431817

申请日：2013-08-16

Applicant: NEC Corporation

Inventor： Yasuhiro Sasaki ,  Masatake Takahashi ,  Shigeki Shinoda ,  Junichiro Mataga

IPC: H02M7/06 ,  G01N29/22 ,  G01M3/00

CPC classification number: H02M7/06 ,  G01H11/08 ,  G01M3/00 ,  G01M3/243 ,  G01N29/223 ,  G01N2291/0289

Abstract: A vibration sensor unit (100) includes a metal casing (11), a vibration sensor (12) disposed in the casing (11), a battery (15), and a control unit (13). The control unit (13) applies power supplied from the battery (15) to the casing (11) to apply charges to the casing (11), and controls an amount of power applied to the casing (11).

Abstract translation: 振动传感器单元（100）包括金属壳体（11），设置在壳体（11）中的振动传感器（12），电池（15）和控制单元（13）。 控制单元（13）将从电池（15）供应的电力施加到壳体（11）以向壳体（11）施加电荷，并且控制施加到壳体（11）的功率量。