Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ashok Chandy0
Steven J. Collier-Hallman0
Ravindra P. Patankar0
Julie A. Kleinau0
Date of Patent
April 3, 2007
0Patent Application Number
100139320
Date Filed
December 11, 2001
0Patent Primary Examiner
Patent abstract
A method and system for estimating a parameter of an electric machine, including a controller and a switching device, the controller executes a parameter estimation process, which is responsive to at least one of: a current value and a torque command and the resultant of the parameter estimation process representing an estimated parameter of the electric machine. The parameter estimation includes a method for estimating a temperature of the electric machine comprising: a temperature sensor operatively connected to and transmitting a temperature signal corresponding to a measured temperature to a controller, which executes a temperature estimation process responsive to a temperature signal from a temperature sensor.
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