Collopy et al., 1992 - Google Patents
Propeller speed and phase sensorCollopy et al., 1992
View PDF- Document ID
- 3541472751197577578
- Author
- Collopy P
- Bennett G
- Publication year
External Links
Snippet
A speed and phase sensor counterrotates aircraft propellers. A toothed wheel is attached to each propeller, and the teeth trigger a sensor as they pass, producing a sequence of signals. From the sequence of signals, rotational speed of each propeller is computer based …
- RZVAJINKPMORJF-UHFFFAOYSA-N p-acetaminophenol 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CC(=O)NC1=CC=C(O)C=C1 0 description 5
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
- G01P3/44—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 of voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current of voltage of pulse signals
- G01P3/489—Digital circuits therefor
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