Title: Machine health monitoring system

Abstract: A system employing structural moment detectors for collecting and interpreting data reflecting the effect of at least a selected one of a plurality of forces acting on a structure such as a machine tool. The output signals from the moment detectors are processed to modify the information content (including rejecting components of the signals which reflect extraneous forces other than the selected one). The processed signals are then manipulated to provide secondary signals which are responsive to the condition of the structure as a result of the application of the selected force.

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Inventors: Scott, David R. (Lancaster, CA)
Rhoades, Thomas S. (Colorado Springs, CO)

Application Number: 06/320873
Filing Date: 1981-11-13
Publication_date: 1983-12-13
Assignee: MACH MONITORING RESEARCH & DEV (US)

Primary Class(es): 73/862.060 73/659
Other Classes: G08B13/10; G08B15/00; G08B25/01; G08B13/02; G01L5/00
US Patent Ref:

2866301	December, 1958	Koulicovitch et al.	73/659	Warning device comprising a microphone preferably for a grinding machine
3930248	December, 1975	Keller	100/99	Impact sensing detector
4195563	April, 1980	Budraitis et al.	100/99	Sensor for reciprocating press
4327591	May, 1982	Dybel et al.	738/620.6	Strain sensing device with magnetic mounting
4342233	August, 1982	Edmondson et al.	738/620.6	Load detecting probe

Other Refs:
Primary Examiner: Myracle, Jerry W.
Assistant Examiner:
Attorney: Drummond, William H.

Parent Case Data:

This application is a division of co-pending application Ser. No. 265,031, filed May 18, 1981, enti