NL2030483B1 - Test System and Method for Separating Vibration Signals of Tubular Water Turbines - Google Patents

Test System and Method for Separating Vibration Signals of Tubular Water Turbines Download PDF

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Publication number
NL2030483B1
NL2030483B1 NL2030483A NL2030483A NL2030483B1 NL 2030483 B1 NL2030483 B1 NL 2030483B1 NL 2030483 A NL2030483 A NL 2030483A NL 2030483 A NL2030483 A NL 2030483A NL 2030483 B1 NL2030483 B1 NL 2030483B1
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NL
Netherlands
Prior art keywords
signal
vibration
test system
signals
separating
Prior art date
Application number
NL2030483A
Other languages
English (en)
Dutch (nl)
Other versions
NL2030483A (en
Inventor
Feng Jianjun
Wu Guangkuan
Li Kang
Luo Xingqi
Zhu Guojun
Original Assignee
Univ Xian Technology
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 Univ Xian Technology filed Critical Univ Xian Technology
Publication of NL2030483A publication Critical patent/NL2030483A/en
Application granted granted Critical
Publication of NL2030483B1 publication Critical patent/NL2030483B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2135—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on approximation criteria, e.g. principal component analysis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/14—Testing gas-turbine engines or jet-propulsion engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/83—Testing, e.g. methods, components or tools therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/02—Preprocessing
    • G06F2218/04—Denoising
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • Power Engineering (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NL2030483A 2021-04-30 2022-01-09 Test System and Method for Separating Vibration Signals of Tubular Water Turbines NL2030483B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110480143.7A CN113221986B (zh) 2021-04-30 2021-04-30 一种贯流式水轮机振动信号分离方法

Publications (2)

Publication Number Publication Date
NL2030483A NL2030483A (en) 2022-11-15
NL2030483B1 true NL2030483B1 (en) 2023-02-24

Family

ID=77090352

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2030483A NL2030483B1 (en) 2021-04-30 2022-01-09 Test System and Method for Separating Vibration Signals of Tubular Water Turbines

Country Status (2)

Country Link
CN (1) CN113221986B (zh)
NL (1) NL2030483B1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114754857B (zh) * 2022-06-14 2022-08-23 之江实验室 一种两段式光纤传感水声信号补偿方法和装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0204548D0 (en) * 2002-02-27 2002-04-10 Qinetiq Ltd Blind signal separation
WO2015147357A1 (ko) * 2014-03-27 2015-10-01 알피니언메디칼시스템 주식회사 캐비테이션 검출을 위한 초음파 모니터링 장치 및 그 방법
CN107025446A (zh) * 2017-04-12 2017-08-08 北京信息科技大学 一种振动信号联合降噪方法
CN109238447A (zh) * 2018-09-12 2019-01-18 西北工业大学 一种系绳振动信号的盲源分离方法
CN109726642A (zh) * 2018-12-13 2019-05-07 云南电网有限责任公司电力科学研究院 一种基于变分模态分解的分布式光纤振动信号的降噪方法
CN109682561B (zh) * 2019-02-19 2020-06-16 大连理工大学 一种自动检测高速铁路桥梁自由振动响应以识别模态的方法
CN112432749B (zh) * 2020-10-16 2023-05-16 西安理工大学 一种水轮机转轮振动与压力脉动的关联性测试分析方法

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Publication number Publication date
CN113221986A (zh) 2021-08-06
CN113221986B (zh) 2022-04-19
NL2030483A (en) 2022-11-15

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