Invention Grant
US07659679B2 System and method for adjusting a dead-time interval in a motor control circuit 有权
用于调整电机控制电路中的死区间隔的系统和方法

System and method for adjusting a dead-time interval in a motor control circuit
Abstract:
A system and a method for adjusting a dead-time interval between de-activating a first transistor and activating a second transistor in a motor control circuit are provided. The method includes determining a plurality of commanded torque values associated with a motor based on a received signal over time. The method further includes setting the dead-time interval value equal to a first value when one commanded torque value of the plurality of commanded torque values is within a first torque range. The method further includes decreasing the dead-time interval value as other commanded torque values of the plurality of commanded torque values increase over time within a second torque range. The second torque range is greater than the first torque range. The dead-time interval value is indicative of a desired dead-time interval.
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