| US 7,333,922 B2 | ||
| System and method of monitoring machine performance | ||
| Robert Kimball Cannon, Peoria, Ill. (US) | ||
| Assigned to Caterpillar Inc., Peoria, Ill. (US) | ||
| Filed on Mar. 30, 2005, as Appl. No. 11/92,612. | ||
| Prior Publication US 2006/0229851 A1, Oct. 12, 2006 | ||
| Int. Cl. G06F 15/00 (2006.01) | ||
| U.S. Cl. 702—193 [701/33; 701/50; 700/29; 700/30; 700/108] | 26 Claims |
| 1. A method of monitoring machine operation, comprising:
sensing an operating characteristic of a plurality of machines;
calculating a performance metric indicative of the operating characteristic of at least two of the plurality of machines;
storing the performance metric;
comparing the performance metric to a previously calculated performance metric indicative of previously sensed operating characteristics
of the same at least two of the plurality of machines; and
monitoring operation of at least one of the at least two of the plurality of machines as a function of the performance metric.
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