GB2522099B - Determining a resonant frequency of a sensing element - Google Patents

Determining a resonant frequency of a sensing element

Info

Publication number
GB2522099B
GB2522099B GB1418975.7A GB201418975A GB2522099B GB 2522099 B GB2522099 B GB 2522099B GB 201418975 A GB201418975 A GB 201418975A GB 2522099 B GB2522099 B GB 2522099B
Authority
GB
United Kingdom
Prior art keywords
determining
sensing element
resonant frequency
resonant
sensing
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB1418975.7A
Other versions
GB201418975D0 (en
GB2522099A (en
Inventor
Andrew Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydronix Ltd
Original Assignee
Hydronix Ltd
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 Hydronix Ltd filed Critical Hydronix Ltd
Priority to GB1418975.7A priority Critical patent/GB2522099B/en
Publication of GB201418975D0 publication Critical patent/GB201418975D0/en
Publication of GB2522099A publication Critical patent/GB2522099A/en
Application granted granted Critical
Publication of GB2522099B publication Critical patent/GB2522099B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00—Measuring resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB1418975.7A 2014-10-24 2014-10-24 Determining a resonant frequency of a sensing element Active GB2522099B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1418975.7A GB2522099B (en) 2014-10-24 2014-10-24 Determining a resonant frequency of a sensing element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1418975.7A GB2522099B (en) 2014-10-24 2014-10-24 Determining a resonant frequency of a sensing element

Publications (3)

Publication Number Publication Date
GB201418975D0 GB201418975D0 (en) 2014-12-10
GB2522099A GB2522099A (en) 2015-07-15
GB2522099B true GB2522099B (en) 2016-03-02

Family

ID=52103366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1418975.7A Active GB2522099B (en) 2014-10-24 2014-10-24 Determining a resonant frequency of a sensing element

Country Status (1)

Country Link
GB (1) GB2522099B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105466550B (en) * 2015-12-04 2018-08-28 中国人民解放军国防科学技术大学 Non-homogeneous lack sampling blade tip-timing vibration signal reconstruction method and its device
CN105509876B (en) * 2015-12-04 2018-08-28 中国人民解放军国防科学技术大学 Lack sampling blade tip-timing vibration signal reconstruction method and its device
DE102018207171B4 (en) * 2018-05-08 2020-06-04 Vega Grieshaber Kg Impedance limit switch, based on electrical resonance formation, with optimized data analysis to improve immunity to interference
CN109672217B (en) * 2018-12-13 2022-03-01 华北电力大学 Subsynchronous oscillation stability quantitative analysis method for wind turbine generator grid-connected system
CN110361596A (en) * 2019-06-18 2019-10-22 上海宝准电源科技有限公司 A kind of Resonance detector strategy based on zero-crossing examination

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501942A1 (en) * 1995-01-24 1996-07-25 Walter Krumrein Remote ground moisture meter
US20030151400A1 (en) * 2002-02-14 2003-08-14 Anthony Petrovich Sensor readout circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501942A1 (en) * 1995-01-24 1996-07-25 Walter Krumrein Remote ground moisture meter
US20030151400A1 (en) * 2002-02-14 2003-08-14 Anthony Petrovich Sensor readout circuit

Also Published As

Publication number Publication date
GB201418975D0 (en) 2014-12-10
GB2522099A (en) 2015-07-15

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