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Combustion phase and residual gas fraction (RGF) are two important factors affecting fuel efficiency and emission, however, which suffer from the cyclic variation of combustion process. To let combustion phase and RGF track their set points and limit the variances, multivariate statistical criterion based controller design is synthesized in this study. For spark ignition gasoline engines, spark advance...
In this paper we present a sequential sampling strategy for multiresponse radial basis function. Different from traditional methods which construct a single metamodel for each scalar response independently, the proposed approach takes multiple responses simultaneously. The product of minimum distance from other current sampling sites and curvature of the site on the response surface is introduced...
Aortic augmentation index (AI) has great significance in predicting cardiovascular diseases. To obtain AI the tidal wave crest will be need, which is difficult to identify sometimes. Fortunately, it is easier to obtain the dicrotic wave crest, which can derive a parameter called dicrotic augmentation index (DAI). In this paper the AIs and DAIs of the pulse waves acquired from 20 subjects including...
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