SE465872B - Ett system foer bestaemning av varvtal foer flygplanspropeller som baseras paa ett enda tidsintervall och en felkoefficient - Google Patents

Ett system foer bestaemning av varvtal foer flygplanspropeller som baseras paa ett enda tidsintervall och en felkoefficient

Info

Publication number
SE465872B
SE465872B SE8605218A SE8605218A SE465872B SE 465872 B SE465872 B SE 465872B SE 8605218 A SE8605218 A SE 8605218A SE 8605218 A SE8605218 A SE 8605218A SE 465872 B SE465872 B SE 465872B
Authority
SE
Sweden
Prior art keywords
speed
propeller
time
time interval
propellers
Prior art date
Application number
SE8605218A
Other languages
English (en)
Swedish (sv)
Other versions
SE8605218L (sv
SE8605218D0 (sv
Inventor
P D Collopy
G W Bennett
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SE8605218D0 publication Critical patent/SE8605218D0/xx
Publication of SE8605218L publication Critical patent/SE8605218L/
Publication of SE465872B publication Critical patent/SE465872B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds
    • G01P3/565—Devices characterised by the use of electric or magnetic means for comparing two speeds by measuring or by comparing the phase of generated current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/50—Phase synchronisation between multiple propellers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/56—Devices characterised by the use of electric or magnetic means for comparing two speeds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Velocity Or Acceleration (AREA)
  • Control Of Electric Motors In General (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
SE8605218A 1985-12-12 1986-12-04 Ett system foer bestaemning av varvtal foer flygplanspropeller som baseras paa ett enda tidsintervall och en felkoefficient SE465872B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80814785A 1985-12-12 1985-12-12

Publications (3)

Publication Number Publication Date
SE8605218D0 SE8605218D0 (sv) 1986-12-04
SE8605218L SE8605218L (sv) 1987-06-13
SE465872B true SE465872B (sv) 1991-11-11

Family

ID=25198002

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8605218A SE465872B (sv) 1985-12-12 1986-12-04 Ett system foer bestaemning av varvtal foer flygplanspropeller som baseras paa ett enda tidsintervall och en felkoefficient

Country Status (7)

Country Link
JP (1) JPS62156565A (de)
CA (1) CA1258914A (de)
DE (1) DE3641777A1 (de)
FR (1) FR2591752B1 (de)
GB (2) GB2184305B (de)
IT (1) IT1199757B (de)
SE (1) SE465872B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2554480B2 (ja) * 1986-11-07 1996-11-13 株式会社 ゼクセル 時間測定装置
GB2281624A (en) * 1993-07-30 1995-03-08 Rover Group Engine crankshaft position determination
DE4329521C2 (de) * 1993-09-02 1996-09-26 Deutsche Forsch Luft Raumfahrt Vorrichtung zur Messung von Rotordaten bei Hubschraubern mit gelenklosen Rotoren zur Bestimmung von Roll- und Nickbeschleunigungen
DE19844780A1 (de) * 1998-09-30 2000-04-06 Bosch Gmbh Robert Verfahren zur Auswertung eines periodischen Signales
GB0129446D0 (en) * 2001-12-08 2002-01-30 Lucas Industries Ltd Angular velocity sensor
FR2932850B1 (fr) * 2008-06-23 2010-08-13 Snecma Procede et systeme de determination de la position angulaire d'un rotor de turboreacteur.
DE102009016106A1 (de) * 2009-02-20 2010-08-26 Rolls-Royce Deutschland Ltd & Co Kg Verfahren zum Messen der Beanspruchung rotierender Wellen von Turbomaschinen und Flugtriebwerken und Vorrichtung zur Durchführung des Verfahrens
DE102009016105B4 (de) * 2009-02-20 2017-11-16 Rolls-Royce Deutschland Ltd & Co Kg Verfahren und Vorrichtung zum Messen der Beanspruchung rotierender Wellen
JP5762685B2 (ja) * 2010-02-09 2015-08-12 新潟原動機株式会社 制御用回転速度算出装置、制御用回転速度算出方法及び制御用回転速度算出プログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1099928A (en) * 1965-07-26 1968-01-17 Ici Ltd Speed detection
DE2553806C3 (de) * 1975-11-29 1979-03-29 Wabco Westinghouse Gmbh, 3000 Hannover Schaltungsanordnung zur digitalen Messung der Periodendauer einer Wechselspannung
NL7711634A (nl) * 1977-10-24 1979-04-26 Philips Nv Tachometerstelsel.
JPS54143679A (en) * 1978-04-28 1979-11-09 Toyota Motor Co Ltd Method of detecting rotational frequency of rotary machine
DE3018528C2 (de) * 1980-05-14 1986-06-05 MTC, Meßtechnik und Optoelektronik AG, Neuenburg/Neuchâtel Verfahren und Vorrichtung zur Messung der Winkelgeschwindigkeit eines rotierenden Körpers
JPS57144465A (en) * 1981-02-28 1982-09-07 Hitachi Ltd Speed detecting method
WO1982003125A1 (en) * 1981-03-03 1982-09-16 Stevenson Thomas T Speed and timing angle measurement
JPS5944991A (ja) * 1982-09-02 1984-03-13 Hitachi Ltd ブラシレスモータの回転数検出方法
JPS6080769A (ja) * 1983-10-07 1985-05-08 Hitachi Ltd 電動機の速度検出方法

Also Published As

Publication number Publication date
GB8915275D0 (en) 1989-08-23
IT1199757B (it) 1988-12-30
FR2591752A1 (fr) 1987-06-19
GB2184305B (en) 1990-03-21
JPS62156565A (ja) 1987-07-11
GB2184305A (en) 1987-06-17
GB8627275D0 (en) 1986-12-17
GB2219703A (en) 1989-12-13
SE8605218L (sv) 1987-06-13
DE3641777A1 (de) 1987-06-19
CA1258914A (en) 1989-08-29
GB2219703B (en) 1990-04-04
FR2591752B1 (fr) 1992-07-31
SE8605218D0 (sv) 1986-12-04
IT8622675A0 (it) 1986-12-12

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