Fast Algorithms for the Design and Analysis of Large Power Grids
Zhong, Yu
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https://hdl.handle.net/2142/81086
Description
Title
Fast Algorithms for the Design and Analysis of Large Power Grids
Author(s)
Zhong, Yu
Issue Date
2008
Doctoral Committee Chair(s)
Wong, Martin D.F.
Department of Study
Electrical and Computer Engineering
Discipline
Electrical and Computer Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
The design of power grid becomes even more difficult due to the bottleneck of simulation. We propose algorithms to determine the placement of power pads that minimize not only the worst voltage drop but also the voltage deviation across the power grid. Our algorithm uses simulated annealing to minimize the total cost of voltage drops. The key enabler for efficient optimization is a fast localized node-based iterative method to compute the voltages after each movement of pads. Experimental results show that our algorithm demonstrates good runtime characteristics for power grids with large numbers of pad candidates in multimillion-size circuits.
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