Resolver zero on-line identification method, motor controller and storage medium

Resolver zero on-line identification method, motor controller and storage medium

The invention provides a resolver zero online identification method, a motor controller and a storage medium. The method comprises the following steps: detecting a current state of a permanent magnetsynchronous motor; Adjusting the required torque output to the permanent magnet synchronous motor to...

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1. Verfasser: SHAO JIAJUN
Format: Patent
Sprache:chi ; eng
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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
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description The invention provides a resolver zero online identification method, a motor controller and a storage medium. The method comprises the following steps: detecting a current state of a permanent magnetsynchronous motor; Adjusting the required torque output to the permanent magnet synchronous motor to be zero when the current state of the permanent magnet synchronous motor satisfies the on-line identification condition of the resolver zero, and obtaining d-axis voltage component and q-axis voltage component of the permanent magnet synchronous motor; Obtaining a deviation angle of a resolver zeropoint from the d-axis voltage component and the q-axis voltage component. The invention reduces the required torque of the permanent magnet synchronous motor to zero and obtains the resolver zero point according to the d-axis voltage component and the q-axis voltage component when the current state of the permanent magnet synchronous motor satisfies the resolver zero point online identification condition, so that the on-l
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The method comprises the following steps: detecting a current state of a permanent magnetsynchronous motor; Adjusting the required torque output to the permanent magnet synchronous motor to be zero when the current state of the permanent magnet synchronous motor satisfies the on-line identification condition of the resolver zero, and obtaining d-axis voltage component and q-axis voltage component of the permanent magnet synchronous motor; Obtaining a deviation angle of a resolver zeropoint from the d-axis voltage component and the q-axis voltage component. 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subjects 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
title Resolver zero on-line identification method, motor controller and storage medium
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