Advance failure prediction

Patent 6915173 Issued on July 5, 2005. Estimated Expiration Date:

August 21, 2023. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

Ibex Process Technology, Inc.

Application

No. 10645209 filed on 08/21/2003

US Classes:

700/44, Feed-forward (e.g., predictive)700/28, Optimization or adaptive control700/21, Failure protection or reliability700/45, Combined with feedback700/79, Having protection or reliability feature700/80, Warning or alarm700/81, Self-test700/262, Using particular manipulator orientation computation (e.g., vector/matrix calculation)714/1, Reliability and availability714/2, Fault recovery714/20, Plural recovery data sets containing set interrelation data (e.g., time values or log record numbers)714/26, Artificial intelligence (e.g., diagnostic expert system)714/57, Error forwarding and presentation (e.g., operator console, error display)361/115, With specific circuit breaker or control structure361/127, Nonlinear material (e.g., valve type)702/185, Cause or fault identification702/183, Diagnostic analysis216/60, By optical means or of an optical property700/71, Specific compensation or stabilization feature438/16, Optical characteristic sensed716/4Testing or evaluating

Examiners

Primary: Patel, Ramesh

Attorney, Agent or Firm

Goodwin Procter LLP

Foreign Patent References

196 37 917 DE 03/01/1998
WO 01/57605 WO 08/01/2001

International Classes

G05B013/02
G05B013/04
G05B013/04

Abstract

Failure prediction for complex processes is performed utilizing one or more nonlinear regression models to relate operational variable values measured at two or more times to predicted process metric values and maintenance variable values.

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