Electricity: motive power systems – Automatic and/or with time-delay means – Time or with time-delay means
Reexamination Certificate
2007-01-12
2010-02-09
Ro, Bentsu (Department: 2837)
Electricity: motive power systems
Automatic and/or with time-delay means
Time or with time-delay means
C318S488000
Reexamination Certificate
active
07659679
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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Fisher Paul M.
Islam Mohammad S.
Raja Ramakrishnan
Sebastian Tomy
Wendling Lucas W.
Cantor & Colburn LLP
GM Global Technology Operations Inc.
Ro Bentsu
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