Automated statistical tracker
First Claim
1. A method for automatically monitoring a system to detect malfunctions, wherein said system generates messages based upon selected data, comprising the steps of:
- (a) receiving messages generated by said system;
(b) counting said messages over statistically significant time periods to form message subgroups including selected numbers of messages;
(c) comparing the number of messages in each of said subgroups with predefined limits for that subgroup to determine whether said number of messages in that subgroup is statistically unusual; and
(d) generating an alert signal whenever a statistically unusual number of messages is detected.
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Accused Products
Abstract
A method for automatically monitoring a system to detect malfunctions, wherein said system generates messages based upon selected data, comprising the steps of receiving messages generated by said system, counting said messages over statistically significant time periods to form message subgroups including selected numbers of messages, comparing the number of messages in each of said subgroups with predefined limits for that subgroup to determine whether said number of messages in that subgroup is statistically unusual, and generating an alert signal whenever a statistically unusual number of messages is detected.
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Citations
34 Claims
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1. A method for automatically monitoring a system to detect malfunctions, wherein said system generates messages based upon selected data, comprising the steps of:
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(a) receiving messages generated by said system; (b) counting said messages over statistically significant time periods to form message subgroups including selected numbers of messages; (c) comparing the number of messages in each of said subgroups with predefined limits for that subgroup to determine whether said number of messages in that subgroup is statistically unusual; and (d) generating an alert signal whenever a statistically unusual number of messages is detected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. Apparatus for automatically monitoring a system to detecting malfunctions, wherein said system generates messages based upon selected data, comprising:
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(a) input means for receiving messages generated by said system; (b) counting means, coupled to said input means, for collecting said messages received by said input means over statistically significant time periods to form message subgroups including selected numbers of messages; (c) comparator means, coupled to said counting means, for receiving the subgroups from said counting means and comparing said number of messages in each of said subgroups with predefined limits for that subgroup to determine whether said number of messages in that subgroup is statistically unusual; (d) alarm means, coupled to said comparator means, for generating an alert signal whenever a statistically unusual number of messages is detected by said comparator means. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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Specification