| 摘要 |
Rate based monitoring includes performing test cycles on a monitored system when predetermined conditions are met. Completion of a test cycle is determined by timing a period that is at least as long as the longer of a time required to detect a correct operation of the monitored system and a time to detect a malfunction of the monitored system, the timing being reset if one or more of the predetermined conditions cease to be met. A count is kept of completed test cycles.
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