ROTATION SENSOR, ABNORMALITY DIAGNOSTIC METHOD THEREOF, AND MOTOR CONTROL SYSTEM EMPLOYING IT

• Main Authors: OBARA SANSHIRO, TAJIMA FUMIO
• Format: Patent
• Language: English
• Published: 10.12.1999
• Edition: 6
• Subjects: 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; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; TARIFF METERING APPARATUS; TESTING

PROBLEM TO BE SOLVED: To make the size and weight of a rotation sensor reducible by providing one stator of a resolver with a plurality of exciting windings and detecting windings. SOLUTION: The stator of a resolver 8 is provided with a stator winding A (152A, 154A, 156A) and stator winding B (152B,...