From: Marin David Condic <condicma@bogon.pwfl.com>
Subject: Re: Pratt & Whitney's Embedded Software - CMM Level 3!
Date: 1999/04/20
Date: 1999-04-20T00:00:00+00:00 [thread overview]
Message-ID: <371C9AA8.1D4D2019@pwfl.com> (raw)
In-Reply-To: 7fhoic$gut$1@uranium.btinternet.com
Stephen Maudsley wrote:
>
> If I've understood the story then I would expect that you get dependency
> matrices out of the "picture compiler" because it started life as a
> control algorithm documentation tool. To develop a control law you're
> essentially writing down the dependencies of mathematical functions. You
> might get repercussion analysis for free.
>
Yes. At one level. Since a picture has interface pins, etc. and there is
a calling heierarchy, if you change a picture and recompile it, you'll
also have to recompile the things that depend on it. It all ends up
looking a lot like Ada (for obvious reasons!) in that any changes to
interfaces are checked across units and the picture compiler catches
things which may have been impacted as a result.
On another level, you need to discover if a change to a given diagram
may impact things like test plans or related requirements. The database
keeps that sort of connectivity (must be defined by the user) so it is
possible to trace through all potentially impacted artifacts.
On a really high level, it is always possible to make a change to a
system for which all the repercussions won't be known until you blow
something up. I'm afraid that all the software and all the process
definition in the world won't totally eliminate that possibility. :-)
MDC
--
Marin David Condic
Real Time & Embedded Systems, Propulsion Systems Analysis
United Technologies, Pratt & Whitney, Large Military Engines
M/S 731-95, P.O.B. 109600, West Palm Beach, FL, 33410-9600
***To reply, remove "bogon" from the domain name.***
Visit my web page at: http://www.flipag.net/mcondic
next prev parent reply other threads:[~1999-04-20 0:00 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <371B6EC8.36B9C247@pwfl.com>
1999-04-19 0:00 ` Pratt & Whitney's Embedded Software - CMM Level 3! Mike_jr
1999-04-19 0:00 ` Marin David Condic
1999-04-19 0:00 ` Bruce L
1999-04-20 0:00 ` Marin David Condic
1999-04-20 0:00 ` Stephen Maudsley
1999-04-20 0:00 ` Marin David Condic [this message]
1999-04-20 0:00 ` "Paul E. Bennett"
1999-04-20 0:00 ` dennison
1999-04-20 0:00 ` Marin David Condic
1999-04-20 0:00 ` Jerry Petrey
1999-04-20 0:00 ` Marin David Condic
1999-04-21 0:00 ` Jerry Petrey
1999-04-21 0:00 ` Marin David Condic
1999-04-21 0:00 ` Stephen Leake
1999-04-21 0:00 ` Marin David Condic
1999-04-21 0:00 ` Ken
1999-04-22 0:00 ` Marin David Condic
1999-04-22 0:00 ` Jim Kingdon
1999-04-22 0:00 ` Marin David Condic
1999-04-22 0:00 ` Stephen Maudsley
1999-04-22 0:00 ` Jim Kingdon
1999-04-22 0:00 ` mike
1999-04-22 0:00 ` Marin David Condic
1999-04-22 0:00 ` William P.Milam
1999-04-22 0:00 ` Marin David Condic
1999-04-23 0:00 ` William P.Milam
1999-04-23 0:00 ` Marin David Condic
1999-04-28 0:00 ` Philip Koopman
1999-04-28 0:00 ` Marin David Condic
1999-04-29 0:00 ` William P.Milam
[not found] ` <372A354F.F3539E74@mindspring.com>
1999-05-13 0:00 ` Matrix X Code Generation (Was Re: Pratt & Whitney's Embedded Software - CMM Level 3!) Mark Bennison
1999-04-22 0:00 ` Pratt & Whitney's Embedded Software - CMM Level 3! Stephen Maudsley
1999-04-22 0:00 ` Marin David Condic
1999-04-22 0:00 ` Ken Keys
1999-04-22 0:00 ` Larry Kilgallen
1999-04-22 0:00 ` Marin David Condic
1999-04-22 0:00 ` Dino Gianisis
1999-04-23 0:00 ` Marin David Condic
1999-04-23 0:00 ` Stephen Maudsley
1999-04-23 0:00 ` Frank McKenney
1999-04-21 0:00 ` Ken
1999-04-21 0:00 ` Ken
1999-04-22 0:00 ` Marin David Condic
1999-04-23 0:00 harbaugh
1999-04-26 0:00 ` Marin David Condic
1999-04-29 0:00 ` Richard D Riehle
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