Control system of electric actuator and control method thereof
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United States of America Patent
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Sep 1, 2015
Grant Date -
Apr 2, 2009
app pub date -
Sep 11, 2008
filing date -
Oct 1, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
In an aspect of the present invention, each of plural control units which controls drive of an electric actuator diagnoses existence of abnormality in drive control of the electric actuator, the abnormality differing from control unit to control unit; the control unit transmits diagnostic result thereof to another control unit; the control unit outputs an abnormal determination signal as a signal indicating diagnostic result therefrom when at least one of the diagnostic result thereof and the diagnostic result of another control unit indicates abnormality; and the control unit transfers the drive control of the electric actuator to an abnormal use control state when the abnormal determination signal is output from at least one of the plural control units.
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International Classification(s)
- G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
- F01L:CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINE....
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- F02D:CONTROLLING COMBUSTION ENGINES
- B60L:ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-P....
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