Electricity: motive power systems – Linear-movement motors
Reexamination Certificate
2007-06-29
2010-12-14
Benson, Walter (Department: 2837)
Electricity: motive power systems
Linear-movement motors
C318S490000, C318S729000, C318S803000, C318S807000, C318S811000, C318S818000
Reexamination Certificate
active
07852022
ABSTRACT:
A control apparatus for an electric car, including a power converter which feeds AC power of variable voltage and variable frequency to a primary side member of a linear electromagnetic actuator, voltage command means for giving a command of a voltage which is fed to the linear electromagnetic actuator, current detection means for detecting current information which flows between the power converter and the linear electromagnetic actuator, and motor constant calculation means for calculating a motor constant of the linear electromagnetic actuator on the basis of the voltage information Vu given by the voltage command means and the current information Iu detected by the current detection means.
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Machine translation of JP 2003284398 A.
Kakizaki Tsuneyasu
Kono Masaki
Benson Walter
Buchanan & Ingersoll & Rooney PC
Chan Kawing
Mitsubishi Electric Corporation
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