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Dive into the research topics where Jonathan Carl Thatcher is active.

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Featured researches published by Jonathan Carl Thatcher.


ASME Turbo Expo 2000: Power for Land, Sea, and Air | 2000

Model-Based Detection of Leaks and Blockages in Pipes

Anju Narendra; John Harry Down; Kirk Mathews; Ravi Rajamani; Sal Albert Leone; Jonathan Carl Thatcher; Bruce Gordon Norman

This paper deals with a model-based strategy for detecting leaks and blockages in a network of pipes. The fault detection and isolation (FDI) system uses a Kalman filter and a model of the piping system to decide whether the system is operating in a normal or failed state, and to distinguish the type of fault. While the idea of using Kalman filters is quite old, its application in the present case is novel, as is the formulation of the FDI system that uses only one model. The theory is backed by experimental validation on a test rig.Copyright


Archive | 2008

Methods and Systems for Providing Real-Time Comparison with an Alternate Control Strategy for a Turbine

Jonathan Carl Thatcher; Scott Schaberg; Mark Disch


Archive | 2006

Method of controlling bypass air split to gas turbine combustor

Amanda Rose Peck; Jonathan Carl Thatcher; Krishna Kumar Venkataraman


Archive | 2007

Systems and Methods for Using a Combustion Dynamics Tuning Algorithm with a Multi-Can Combustor

Garth Curtis Frederick; Thomas Raymond Farrell; Timothy Andrew Healy; John Carver Maters; Jonathan Carl Thatcher


Archive | 2000

Model-based detection of leaks and blockages in fluid handling systems

Harry Kirk Mathews; Anju Narendra; Ravi Rajamani; Bruce Gordon Norman; John Harry Down; Sal Albert Leone; Jonathan Carl Thatcher


Archive | 2010

METHODS AND SYSTEMS FOR CONTROLLING GAS TURBINE CLEARANCE

Tagir Robert Nigmatulin; Jonathan Carl Thatcher; Jesse Edwin Trout; Roger Clayton Walker


Archive | 1999

Partially turbulated trailing edge cooling passages for gas turbine nozzles

Jonathan Carl Thatcher; Steven Sebastian Burdgick


Archive | 2009

Pressure control method and system to reduce gas turbine fuel supply pressure requirements

Brian Gallagher; Ravi Praveen Eluripati; Jonathan Carl Thatcher; Priscilla Childers; Bryan Edward Sweet


Archive | 2013

Gas turbine load control system

Karl Dean Minto; Jonathan Carl Thatcher; Brian Allen Rittenhouse; Aaron Lavene Vorel


Archive | 2006

Pressure control method to reduce gas turbine fuel supply pressure requirements

Brian Gallagher; Ravi Praveen Eluripati; Jonathan Carl Thatcher; Priscilla Childers; Bryan Edward Sweet

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