Statistical method of safety supervision system alarm numbers
A statistical method and frequency technology, applied to alarms, instruments, etc., can solve the problem of poor effectiveness of alarm times, achieve the effect of improving effectiveness and reducing the number of repeated statistical alarms
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[0019] The present invention will be further described below.
[0020] A method for counting the number of alarms in a security monitoring system, comprising the following steps:
[0021] Step 1: Set a time limit value;
[0022] Step 2: When the value measured at a certain moment exceeds the threshold value, record the moment, and calculate the total time period sum during which the value measured in real time exceeds the threshold value from this moment to the following time limit value period;
[0023] Step 3: Set a percentage, and calculate the ratio of the total time period and the time limit value in step 2. When the ratio exceeds the percentage, it is considered that the value is abnormal during this period, and it is counted as the number of alarms; otherwise, it is not statistics.
[0024] There will still be deviations in the statistical method of this embodiment. For example, a certain company’s gas leaks cause the concentration to exceed the threshold far, and las...
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