Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2011-07-19
2011-07-19
Nguyen, Kim T (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
Reexamination Certificate
active
07983815
ABSTRACT:
In an electric power steering control system, a phase compensator of the steering torque is made of an analog circuit and an anti-phase compensator is made by the software of a microcomputer, thereby to eliminate the changes in the gain and the phase by the phase compensator of the analog circuit near the oscillation frequency, so that the steering torque signal equivalent to that of no phase compensation necessary for the computation at the observer is computed from the phase-compensated steering torque signal.
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Hamada Hanako
Kifuku Takayuki
Kurishige Masahiko
Sakanishi Seiji
Sawada Seiji
Mitsubishi Electric Corporation
Nguyen Kim T
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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