METHOD FOR TESTING SWITCH SIGNALS OF AN INVERTER OF AN ELECTRIC MACHINE CONTROLLED VIA A PULSE-WIDTH MODULATION
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United States of America Patent
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Issued Date -
May 2, 2024
app pub date -
Jan 12, 2022
filing date -
Feb 1, 2021
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Abstract
A method is provided for testing switch signals of an inverter of an electric machine of a drive system of a motor vehicle. The electric machine is controlled via a pulse-width modulation generated by a control unit using a target duty cycle and a triangular-waveform voltage sequence. An actual duty cycle of a current pulse-width modulation is continuously ascertained from the switch signals and compared with the target duty cycle of the control unit.
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