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Quality function deployment can be regarded as a multi-input and multi-output system. The concept of extended house of quality is proposed based on the ASI model. With respect to the relationships of the WHATs, simultaneous equations model is first put forward to establish the house of quality. In the structural equations of simultaneous equations model, the coefficients of the endogenous variables...
The problem of robust estimation of the linear prediction (LP) parameters for an autoregressive process (AR) in white noise is addressed in this paper. The classical solution to this problem involves using the p low-order Yule-Walker equations and subtracting an estimate of the noise variance from the main diagonal of the correlation matrix. However, this approach lacks robustness against possible...
This work addresses the problem of estimating the number of signal sources in convolutive signal mixtures. Our approach is based on the blind source separation. The first step builds a measure of the global activity of all active sources. This measure is known as activity index, and is based on the inverse of correlation matrix of the observed signals. The next step analyses the activity index variance...
A new method of information theory technology combining with Petri nets was put forward to set up condenser fault diagnosis Petri nets modeling of multi-sensor fusion system in this paper by its operating characteristic. The information entropy is regarded as the standard of reduction to decrease uncertainty between faults and symptoms using the property with maximum information gains to set up optimal...
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