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A robust incremental power grid analyzer by macromodeling approach and Orthogonal Matching Pursuit

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4 Author(s)
Yi-Hsuan Lee ; Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Yu-Min Lee ; Liang-Chia Cheng ; Yen-Tang Chang

As VLSI techniques are getting more and more advanced, the size of the power grid network increases dramatically. Therefore, the power grid analysis becomes a challenging task during the design procedure. This work utilizes the macromodeling technique [1] and enhances the Orthogonal Matching Pursuit (OMP) based method [2] to develop an effective and robust incremental analysis method for the power grid network, MA-OMPt. Given a power grid network, MA-OMPt not only can deal with the change of its element values but also can handle the modification of its topology. The experimental results show that MA-OMPt can be an order of magnitude faster than the OMP-based method [2] which can only deal with the change of element values of the power grid. The experimental results also demonstrate that MA-OMPt can accurately and efficiently handle the modified topology of the power grid network.

Published in:

Quality Electronic Design (ASQED), 2012 4th Asia Symposium on

Date of Conference:

10-11 July 2012