Failure diagnosis method, failure diagnosis apparatus, conveyance device, image forming apparatus, program, and storage medium
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United States of America Patent
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Mar 6, 2012
Grant Date -
Nov 24, 2005
app pub date -
Feb 23, 2005
filing date -
Apr 21, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A failure diagnosis method diagnoses a failure occurring in a diagnosis target apparatus including a drive mechanism having a drive member that receives power supply to operate and a power transmission member that transmits drive force of the drive member to another member. The method includes automatically acquiring by a sensor an operation state signal indicating an operation state during the drive mechanism operating for a predetermined period; and analyzing the automatically acquired operation state signal based on a failure probability model, which is obtained by modeling a cause of failure occurring in the diagnosis target apparatus with using probabilities, to execute failure diagnosis with respect to each of constituent members of the drive mechanism.
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