Fault-handling system for electric power steering system
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United States of America Patent
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Oct 2, 2007
Grant Date -
May 5, 2005
app pub date -
Oct 31, 2003
filing date -
Oct 31, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fault-handling system for a 2-phase motor. When an electric motor is used for power assist in a steering system in a vehicle, malfunctions can cause loss of assist, and detectable vibration. The invention utilizes a 2-phase motor in such an application, and implements alternate modes of operation when certain malfunctions occur, thereby maintaining the assist function in situations wherein the function would otherwise be lost or reduced.
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Cited Art Landscape
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