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Using the Cell Broadband Engine to Compute an Electrochemical Battery Model

Author(s)
Geraci, James
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Abstract
electrochemical battery model of a lead acid battery cell as a state-of-health indicator in an embedded application. The model equations are a set of coupled highly non-linear partial differential equations that evolve with time. At each time step, these equations are solved using Newton’s Method, and a direct skyline LU solver without partial pivoting is used to solve for the battery cell’s state at each Newton step. The entire model was implemented on a Sony Playstation 3 and the direct solver at each Newton iteration step exploits the parallelism in the Cell Broadband Engine to improve performance. The parallelized direct solver outperforms state-of-the-art dense and sparse solvers running on an AMD Opteron 246-based workstation.
Date issued
2007-05-29
URI
http://hdl.handle.net/1721.1/37586
Series/Report no.
Technical Report (Massachusetts Institute of Technology, Research Laboratory of Electronics);721

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