2018
DOI: 10.1177/1687814018767165
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A component map adaptation method for compressor modeling and diagnosis

Abstract: The accuracy of model-based gas turbine performance prediction, diagnosis, and prognosis is mainly determined by the precision of compressor thermodynamic model. This article proposes a novel component map adaptation method for gas turbine compressor modeling and gas-path diagnosis. First, compressor characteristic maps are generated through stage-stacking calculation. And the generated compressor characteristic maps are expressed in the form of polynomial functions by partial least squares regression. After i… Show more

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Cited by 18 publications
(10 citation statements)
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References 35 publications
(59 reference statements)
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“…After on-design adaptation and offdesign adaption of the gas turbine performance model to the target gas turbine, we begin to test the effectiveness of the proposed approach, and the detailed description of performance model adaption can be referred to in our previous work. 41 The change of generator electrical load and atmospheric temperature of the target gas turbine with the operation of the gas turbine are seen in Figures 14 and 15.…”
Section: Results and Analysismentioning
confidence: 99%
“…After on-design adaptation and offdesign adaption of the gas turbine performance model to the target gas turbine, we begin to test the effectiveness of the proposed approach, and the detailed description of performance model adaption can be referred to in our previous work. 41 The change of generator electrical load and atmospheric temperature of the target gas turbine with the operation of the gas turbine are seen in Figures 14 and 15.…”
Section: Results and Analysismentioning
confidence: 99%
“…In our previous work, 19,20 two thermodynamic models of single-shaft power generation gas turbines were developed by the MATLAB/Simulink software platform to test the effectiveness of the method put forward in this paper. One of them is a transient or dynamic heat gas turbine model, as shown in Figure 6.…”
Section: Application and Analysismentioning
confidence: 99%
“…Firstly, based on the engine boundary condition parameters u and gas path measurable parameters Z from the target engine at newly commssioning stage when the engine is always healthy and clean, the gas turbine thermodynamic model of the object to be diagnosed can be constructed by adaptation modeling strategy. And the specific principle of adaptation modeling strategy can be referred to the our previous research work [34]. And then the gas turbine thermodynamic model can be taken as a basal model to simulate various gas path faults.…”
Section: Fig7 the Thermodynamic Working Principle Diagram Of This Heavy-duty Enginementioning
confidence: 99%