RESOLVER SIGNAL PROCESSING DEVICE, DRIVE APPARATUS, RESOLVER SIGNAL PROCESSING METHOD, AND PROGRAM

• Main Authors: MORITO, Chikara, SHIRAISHI, Hajime
• Format: Patent
• Language: English
• Published: 02.09.2021
• 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; ELECTRICITY; GENERATION; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; TARIFF METERING APPARATUS; TESTING

A resolver signal processing device includes a deviation calculation unit, a PI operation unit, and an integration operation unit. The deviation calculation unit calculates a deviation between a first product obtained by multiplying a signal of phase A by a cosine value based on a reference phase θr...