NNTP-Posting-Date: Mon, 09 Dec 2002 19:07:32 -0600
From: email@example.com (John Fields)
Subject: Re: Design of Experiments Workshop in NYC, SF, Miami
Date: Tue, 10 Dec 2002 01:12:50 GMT
Organization: Austin Instruments, Inc.
References: <3DF00F90.firstname.lastname@example.org> <email@example.com>
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On 9 Dec 2002 14:46:25 -0800, firstname.lastname@example.org (Brian
>John Larkin wrote in message >
>> this is actually an interesting issue. I've read a bit of the DOE
>> stuff, and that seems, to me, to be nearly my natural enemy.
>> One cannot use DOE to design bridges, skyscrapers, or space shuttles.
>> They have to be *right* by design, with small margin for ignorance. If
>> electronics and software are designed with similar levels of theory
>> and discipline, there's no room or need for DOE or Taguchi techniques.
>Sure, I agree with you. I've written some software code myself, and
>have been involved in decent sized software development projects as
>well. During those times I have never thought of any reason to apply
>any DOE techniques.
So now you're being ingratiating: Establish common ground by
divorcing yourself temporarily from your ultimate goal and lose the
battle in order to win the war.
What you neglected to mention was that prior to the initialization
of the software phase of the project the hardware issues needed to
have been worked out.
>In reviewing the posts, there might be a little confusion about the
>term "test design" that I used. It refers to the way a test is set up,
>rather than a specific design of a "product" that is put together
>solely for a test.
Caca. You presume to know enough, up front, to determine how a test
should be set up, and run, to yield a minimum cost or a best
OK, here's a challenge for you: I've got a platinum resistance
thermometer with an R0 of 100 ohms.
Outline the experiments you think I'll need to run which will allow
me to realize the least cost method I can use to get to 1% error
from -50°C to 50°C with a totally analog system over an ambient
temperature range of -55 to 105°C.
Include the cost of your system and justify why you think it's the
cheapest way I could do it for the accuracy required.
Professional circuit designer