News
July,2010
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Implementing JMAG
COSEL CO., LTD.
Comparing and Examining the Variability of Regulated DC Power Supplies
via Simulation
- You have acquired quite a bit of knowledge about modeling. How long did
it take you to become accustomed to using JMAG?
Mr. Shima I started by trying to find the appropriate modeling for the physical
aspects I wanted to obtain. The next thing I knew, I had gained enough
modeling know-how to obtain highly accurate analysis results. It took between
3 and 6 months before we were actually using JMAG as a design tool. I am
satisfied to a certain degree with the knowledge that I now have, although,
that doesn't mean I still don't have a lot to learn. (Mr. Shima laughs)
- What position does simulation technology hold in the design process at
Cosel?
Mr. Shima As I said before, simulation technology is extremely vital to reducing
the number of prototypes and improving the speed and efficiency of development
under strict development schedules that demand a lot of trial and error
to reach the final product. We are expanding the range we use JMAG, not
just for electromagnetic field analysis, but also for other types of analysis.
The chance for more and more companies that are not currently implementing
simulation software to realize the benefits and impact simulations have
from a prototype cost perspective will continue to grow.
- What are your expectations for simulation analysis in the future?
Mr. Shima I want to know the results and effectiveness of a product without having
to build prototypes. For example, simulations allow me to examine whether
the characteristics are improved or worsened by changing the geometry of
a design. Being able to examine the variability is also important. I can
calculate how much the characteristics differ from the variability that
we predicted. Examining the geometry to account for the variability by
creating a model is very difficult. Parametric analysis allows me to change
the geometry and see what happens. I would like to see simulation analysis
tools that are easier to use to compare products and examine their variations
in the future.
Compact DC-DC Converters
(DHS Series)
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Cosel Co., Ltd.
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Established
Capital
Employees
Annual Sales
President
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July 26, 1969
2.055 million Yen (as of May, 2009)
418 (as of May, 2009)
16,253 million Yen (as of May, 2009)
Toshimichi Machino
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Business Overview
Cosel Co., Ltd. develops, manufactures, and sells regulated DC power supplies
which are at the heart of electronic equipment such as computers. Cosel
Co., Ltd.'s headquarters is located in Toyama Prefecture where they focus
their manufacturing capabilities and continue to increase the standard
of switching power supply products.
http://www.cosel.co.jp/
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