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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 52, 2007 - Issue 9
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Original Articles

Input Estimation Method in the Use of Electronic Device Temperature Prediction and Heat Flux Inverse Estimation

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Pages 795-815 | Received 29 Jun 2006, Accepted 06 Jan 2007, Published online: 14 Sep 2007
 

Abstract

The input estimation method (IEM) is proposed in this research to estimate the real-time time-variant core heat flux of electronic components. The IEM is an on-line real-time estimation method, which combines the Kalman filter mechanism and recursive least-square estimation (RLSE). On the premise that there exists both system processing error and measurement error, using temperature measurements measured from the exterior of the device package, the core time-variant heat flux of the device can be precisely estimated inversely.

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