Dynamic safe state control of electrical motor based on vehicle speed
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United States of America Patent
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Feb 14, 2023
Grant Date -
Oct 28, 2021
app pub date -
Mar 18, 2021
filing date -
Apr 22, 2020
priority date (Note) -
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Abstract
A dynamic safe state control circuit is disclosed that controls an electrical motor based on vehicle speed. A microcontroller or other processing device is configured to control an inverter system of an electrical motor. The dynamic safe state control circuit is configured to receive a first signal that corresponds to a speed of the electric motor. The circuit is configured to activate any one of a plurality of safe states in the inverter system based on the first signal and in response to a malfunction in the microcontroller.
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