Over the last few days, I’ve been trying to re-engage with the site after an 18-month diversion into the CBM page on Wikipedia. Naturally, I wanted to find some simple stuff at first, and update the live site from … read more
Author: E. Davis
Static
The second phase of site redesign is complete, incorporating modest changes in organization and navigation and a radical change in the deployment mechanism. It only took about three months.
Actually…it took only about one month. It took about two months … read more
CBM Requirements
Release 2 on the CBM: a summary of the qualification requirements. Again, mostly for reference in future examples.
Qualification Requirements of the Common Berthing Mechanism
More to come.
First Berth
In a significant diversion, I’ve been boot-strapping a modification to Wikipedia’s article on the Common Berthing Mechanism, which I find woefully modest. The formatting and editorial style of Wikipedia are rather constraining, so I’m using this site to prototype the … read more
On Being Reasonable
Today sees the revision of the thing I think I know about cognition, and four more things I think I know about it: reasoning, deductive reasoning, inductive reasoning, and abductive reasoning. Deductive reasoning is, of … read more
Updating Topical Parameterization
As previously discussed (six months ago!), I’ve made a pass through the material in order to ensure a reasonable consistency in how the word “characteristic” is used. Naturally, that turned out to be more work than I thought it would … read more
Changing What I Think I Know
Over the years, I’ve developed some strong opinions about what requirements are, and how they should be expressed. It is (therefore) with no small amount of emotional turmoil that I have arrived at a place where I need to change … read more
Preconditioning Example
An example of classification in the requirements context has been released here. Note that the example does not attempt to follow all the way through to a final set of requirements, let alone a comprehensive procedure, both of which … read more
Classification During Requirements Compilation
The subject page was released here today. It expands a little bit on the previous treatment of that subject, which was embedded in the general page on requirements compilation, which has been revised to point to the new page.… read more
On Being Determined
Several pages were released today, all of which were spawned from an on-going example of requirements compilation. They include Things I Think I Know about Solicitation, Pricing Instructions, Selection Criteria, and related Requests for Information, Quote… read more
Configuration Management Foundation
Consolidation
Today marks a major overhaul of this site: I have consolidated all three branches (Things I Think I Know, the Extended Verification Methods, and the Exegeses) into a single framework under the Exegeses URL. The other two sites are now … read more
Compilation and Technical Requirements
Traceability
I’ve been working on another verification example, analyzing US regulatory requirements for proving (and advertising) fuel efficiency. As usual, diversion has happened: I found myself deeply involved in a process called “requirements compilation”, so temporarily set aside the example in … read more
On Verification
A model page
It will (I hope) be easier to discuss the relationship between “function” and “performance” if I can refer to some concepts about models in the System Engineering context: what they are and what general types are of interest. In the … read more
Function Fun
Five new pages were released today, all pertaining to very basic developmental operations in the Function Domain:
Defining Functions is a “foundational page” addressing how functions are described;
Functional Flow Block Diagrams (FFBD) describes one of many options for … read more
Development Cycle (4)
Getting Downright Right
That Didn’t Hurt As Much As I Thought It Might
In an astonishing break with recent precedent, a reasonable cut at the page on topical parameterization took just a single afternoon. It helped that the month (±) spent on the examples forced me to actually organize my thoughts on technique.… read more