Low cost approach to measuring high resolution rotary position of electric machines

A method for measuring a rotary position of an electric machine includes read a pulse counter that counts a sequence of pulses. The sequence of pulses is related to the rotary position. A determination as to whether a new pulse has been detected is performed. And a computation of a new angle that is...

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Bibliographische Detailangaben
Hauptverfasser:	HENRY RASSEM RAGHEB, MIR SAYEED A
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A method for measuring a rotary position of an electric machine includes read a pulse counter that counts a sequence of pulses. The sequence of pulses is related to the rotary position. A determination as to whether a new pulse has been detected is performed. And a computation of a new angle that is related to the rotary position. A speed measuring circuit that includes an input having a set of position signals and an output having a set of speed signals may include the method for measuring a rotary position of an electric machine.