Title
An efficient optimization-based technique to generate posynomial performance models for analog integrated circuits An efficient optimization-based technique to generate posynomial performance models for analog integrated circuits
Author
Faculty/Department
Faculty of Applied Engineering Sciences
Publication type
conferenceObject
Publication
New York, N.Y. :ACM ,
Subject
Computer. Automation
Source (journal)
Proceedings of the Design Automation Conference / Institute of Electrical and Electronics Engineers. Design Automation Conference [New York]; Association for Computing Machinery. Design Automation Conference. - New York, N.Y.
Source (book)
Proceedings of the 39th annual Design Automation Conference, New Orleans, Louisiana, June 10-14, 2002
Volume/pages
(2002) , p. 431-436
ISSN
0738-100X
ISBN
1-58113-461-4
ISI
000177213300076
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
This paper presents an new direct-fitting method to generate posynomial response surface models with arbitrary constant exponents for linear and nonlinear performance parameters of analog integrated circuits. Posynomial models enable the use of efficient geometric programming techniques for circuit sizing and optimization. The automatic generation avoids the time-consuming nature and inaccuracies of handcrafted analytic model generation. The technique is based on the fitting of posynomial model templates to numerical data from SPICE simulations. Attention is paid to estimating the relative 'goodness-of-fit' of the generated models. Experimental results illustrate the significantly better accuracy of the new approach.
E-info
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