Method and device for preventing computerized safety system failure

Method and device for preventing computerized safety system failure

  • CN 101,458,641 B
  • Filed: 12/14/2007
  • Issued: 06/03/2015
  • Est. Priority Date: 12/14/2007
  • Status: Active Grant
First Claim
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1. one kind performs real time health inspection to prevent the method (400) of computerized safety system failure in computerized safety system, and described method comprises:

  • (405) timer (175) is started to start to count predetermined timing cycle once receiving the request of executing the task;

    When predetermined timing cycle stops, use at least one renewal (408,409) status log (195) of " Last Status " entry (177) and " Last Signal " entry (178);

    Detect at least one of (410) stale " Last Signal " entry (178) and stale " Last Status " entry (177);

    WithExport the alarm that (411) indicate the time barred entry detected.

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