CN1047446C - 故障诊断装置及其诊断方法 - Google Patents

故障诊断装置及其诊断方法 Download PDF

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Publication number
CN1047446C
CN1047446C CN94117145A CN94117145A CN1047446C CN 1047446 C CN1047446 C CN 1047446C CN 94117145 A CN94117145 A CN 94117145A CN 94117145 A CN94117145 A CN 94117145A CN 1047446 C CN1047446 C CN 1047446C
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China
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sensor
group
vector
abnormality degree
processing operation
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CN94117145A
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CN1112249A (zh
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鹿山昌宏
诸冈泰男
杉田洋一
中岛正明
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Hitachi Ltd
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Hitachi Ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
    • G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
    • G05B23/024—Quantitative history assessment, e.g. mathematical relationships between available data; Functions therefor; Principal component analysis [PCA]; Partial least square [PLS]; Statistical classifiers, e.g. Bayesian networks, linear regression or correlation analysis; Neural networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Mathematical Physics (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
CN94117145A 1993-10-13 1994-10-13 故障诊断装置及其诊断方法 Expired - Fee Related CN1047446C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP255462/93 1993-10-13
JP25546293A JP3221184B2 (ja) 1993-10-13 1993-10-13 故障診断装置および方法

Publications (2)

Publication Number Publication Date
CN1112249A CN1112249A (zh) 1995-11-22
CN1047446C true CN1047446C (zh) 1999-12-15

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CN94117145A Expired - Fee Related CN1047446C (zh) 1993-10-13 1994-10-13 故障诊断装置及其诊断方法

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US (1) US5548597A (https=)
JP (1) JP3221184B2 (https=)
KR (1) KR0172982B1 (https=)
CN (1) CN1047446C (https=)
DE (1) DE4436658B4 (https=)
TW (1) TW275676B (https=)

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CN105067025A (zh) * 2015-07-31 2015-11-18 西南科技大学 一种利用单稳系统随机共振效应检测微弱信号的方法

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JP5363927B2 (ja) 2009-09-07 2013-12-11 株式会社日立製作所 異常検知・診断方法、異常検知・診断システム、及び異常検知・診断プログラム
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Cited By (2)

* Cited by examiner, † Cited by third party
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CN1316324C (zh) * 2001-04-26 2007-05-16 Abb股份有限公司 石油和天然气生产系统中检测和校正传感器故障的方法
CN105067025A (zh) * 2015-07-31 2015-11-18 西南科技大学 一种利用单稳系统随机共振效应检测微弱信号的方法

Also Published As

Publication number Publication date
TW275676B (https=) 1996-05-11
JPH07110708A (ja) 1995-04-25
US5548597A (en) 1996-08-20
CN1112249A (zh) 1995-11-22
DE4436658A1 (de) 1995-04-20
JP3221184B2 (ja) 2001-10-22
KR0172982B1 (ko) 1999-03-30
KR950012269A (ko) 1995-05-16
DE4436658B4 (de) 2004-02-12

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