SE468691B - Metod foer att skapa en logisk beskrivning av en signal genom identifiering av dennas tillstaand samt en aendring av tillstaandet - Google Patents

Metod foer att skapa en logisk beskrivning av en signal genom identifiering av dennas tillstaand samt en aendring av tillstaandet

Info

Publication number
SE468691B
SE468691B SE9101966A SE9101966A SE468691B SE 468691 B SE468691 B SE 468691B SE 9101966 A SE9101966 A SE 9101966A SE 9101966 A SE9101966 A SE 9101966A SE 468691 B SE468691 B SE 468691B
Authority
SE
Sweden
Prior art keywords
signal
event
logical description
identification
extracting
Prior art date
Application number
SE9101966A
Other languages
English (en)
Swedish (sv)
Other versions
SE9101966L (sv
SE9101966D0 (sv
Inventor
R Orre
L Cederblad
Original Assignee
Asea Brown Boveri
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9101966A priority Critical patent/SE468691B/sv
Publication of SE9101966D0 publication Critical patent/SE9101966D0/xx
Priority to US07/901,233 priority patent/US5390106A/en
Priority to EP92110622A priority patent/EP0520400B1/en
Priority to DE69231372T priority patent/DE69231372T2/de
Priority to CA002072403A priority patent/CA2072403C/en
Publication of SE9101966L publication Critical patent/SE9101966L/
Publication of SE468691B publication Critical patent/SE468691B/sv

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/08—Feature extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Image Analysis (AREA)
SE9101966A 1991-06-26 1991-06-26 Metod foer att skapa en logisk beskrivning av en signal genom identifiering av dennas tillstaand samt en aendring av tillstaandet SE468691B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE9101966A SE468691B (sv) 1991-06-26 1991-06-26 Metod foer att skapa en logisk beskrivning av en signal genom identifiering av dennas tillstaand samt en aendring av tillstaandet
US07/901,233 US5390106A (en) 1991-06-26 1992-06-19 Analysis of disturbances in power systems
EP92110622A EP0520400B1 (en) 1991-06-26 1992-06-24 A method of extracting a logical description of a sampled analog signal
DE69231372T DE69231372T2 (de) 1991-06-26 1992-06-24 Verfahren zur Gewinnung einer logischen Beschreibung von einem abgetasteten Analogsignal
CA002072403A CA2072403C (en) 1991-06-26 1992-06-25 Analysis of disturbances in power systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9101966A SE468691B (sv) 1991-06-26 1991-06-26 Metod foer att skapa en logisk beskrivning av en signal genom identifiering av dennas tillstaand samt en aendring av tillstaandet

Publications (3)

Publication Number Publication Date
SE9101966D0 SE9101966D0 (sv) 1991-06-26
SE9101966L SE9101966L (sv) 1992-12-27
SE468691B true SE468691B (sv) 1993-03-01

Family

ID=20383154

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9101966A SE468691B (sv) 1991-06-26 1991-06-26 Metod foer att skapa en logisk beskrivning av en signal genom identifiering av dennas tillstaand samt en aendring av tillstaandet

Country Status (5)

Country Link
US (1) US5390106A (https=)
EP (1) EP0520400B1 (https=)
CA (1) CA2072403C (https=)
DE (1) DE69231372T2 (https=)
SE (1) SE468691B (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550751A (en) * 1993-10-15 1996-08-27 The Texas A & M University System Expert system for detecting high impedance faults
US5537327A (en) * 1993-10-22 1996-07-16 New York State Electric & Gas Corporation Method and apparatus for detecting high-impedance faults in electrical power systems
US5943246A (en) * 1997-04-29 1999-08-24 Omnion Power Engineering Corporation Voltage detection of utility service disturbances
US6208949B1 (en) * 1998-07-01 2001-03-27 Adaptive Audio, Inc. Method and apparatus for dynamical system analysis
DE10126855B4 (de) * 2001-06-01 2004-09-30 Siemens Ag Transformationsverfahren
RU2252471C1 (ru) * 2003-10-22 2005-05-20 Государственное образовательное учреждение высшего профессионального образования "Братский государственный технический университет" Способ автоматизированного активного контроля импульсов напряжения и тока
RU2252472C1 (ru) * 2003-10-22 2005-05-20 Государственное образовательное учреждение высшего профессионального образования "Братский государственный технический университет" Способ автоматизированного активного контроля провалов напряжения и тока
KR101667832B1 (ko) * 2012-04-23 2016-10-20 엘에스산전 주식회사 전력 계통 감시 및 제어시스템에서 고장전류 제어 방법
CN107064742A (zh) * 2017-04-12 2017-08-18 南京南瑞继保电气有限公司 基于专家系统的直流系统故障智能分析方法及系统
US20200327435A1 (en) 2019-04-12 2020-10-15 General Electric Company Systems and methods for sequential power system model parameter estimation
US11636557B2 (en) 2019-05-29 2023-04-25 General Electric Company Systems and methods for enhanced power system model validation
US20210124854A1 (en) * 2019-10-28 2021-04-29 General Electric Company Systems and methods for enhanced power system model parameter estimation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813667A (en) * 1973-05-29 1974-05-28 Us Navy Three-phase power disturbance monitor
US5115226A (en) * 1989-10-12 1992-05-19 Schweitzer Engineering Laboratories, Inc. Relay for detecting a current disturbance and asserting an output

Also Published As

Publication number Publication date
EP0520400A3 (https=) 1995-02-22
US5390106A (en) 1995-02-14
CA2072403C (en) 1999-08-17
SE9101966L (sv) 1992-12-27
DE69231372T2 (de) 2001-03-29
CA2072403A1 (en) 1992-12-27
DE69231372D1 (de) 2000-09-28
EP0520400A2 (en) 1992-12-30
SE9101966D0 (sv) 1991-06-26
EP0520400B1 (en) 2000-08-23

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