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Archive for the ‘Requirement Development’ Category


Communicating Requirements – Effectively! – What is a requirement?

Posted on: October 15th, 2017 by Lou Wheatcraft No Comments

This is part 2 of the blog series “Communicating Requirements – Effectively”. Part 1 of this series introduced the overall topic of communicating requirements and addressed communication of requirements from several perspectives: traditional systems engineering, model-based systems engineering, and Agile. … Read More

Communicating Requirements – Effectively! Part 1 – Introduction

Posted on: September 29th, 2017 by Lou Wheatcraft 1 Comment

This is a multiple part blog: This part 1 introduces the overall topic of communicating requirements and addressed communication of requirements from several perspectives: traditional systems engineering, model-based systems engineering, and Agile. In part 2, I address basic definitions of … Read More

Leveling Requirements

Posted on: September 15th, 2017 by Lou Wheatcraft 2 Comments

I was recently asked the question. “Suboptimal leveling of requirements seems to be a recurring issue for the projects in my business group (we’ve even seen low-level mechanical dimensions specified in the system requirements). We’ve been reading through the INCOSE … Read More

INCOSE Guide for Writing Requirements – 2017 update

Posted on: July 15th, 2017 by Lou Wheatcraft No Comments

I am proud to announce that the 2017 update to the INCOSE Guide for Writing Requirements has been released for IS2017. We in the Requirement Working Group worked hard over the last two years on this update. “This Guide for … Read More

Implementation in Requirements – Internal Directive (i.e., Constraint) to use a Legacy Component.

Posted on: May 15th, 2017 by Lou Wheatcraft No Comments

We were recently asked the following question from one of our clients: “Our company is updating/replacing a legacy system.  The current system includes an embedded processor that was already built long ago and was developed without any requirements (at least … Read More