I was recently asked the question. “When a project begins with a existing device that has a TRL of 9, with the goal to develop a miniaturized version of the […]
Tag: system validation
Implementation in Requirements – Internal Directive (i.e., Constraint) to use a Legacy Component.
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 […]
Requirements – What’s the Big Deal????
Note: this is an update to this blog originally published in 2012. Preparing for the future A constant throughout the evolution of systems engineering is an ever-increasing complexity of systems […]
What is the difference between verification and validation? Part 2
This is the second of our two-part blog concerning verification and validation. In part 1 we discussed the basic concepts of verification and validatlion in terms of the context in […]
What is the difference between verification and validation? Part 1
A question we are often asked is “What is difference between verification and validation?” This two-part blog answers that question. In part 1 we discuss the basic concepts of verification […]
How Do I Know When My Requirements Are Sufficient?
This question was asked recently on a popular discussion group. Maybe a better question to ask: “How do I know when the requirement set for the system of interest is […]
Requirement–Driven Product Development
I think it is safe to say that everyone that leads or is part of a product development project starts out with the intention of delivering a winning product. We […]
What is the Biggest Obstacle to Good Requirements?
I was recently asked the question: “What do you think is the biggest obstacle to good requirements documentation? I have been doing this for 25+ years and never see the […]
Should the “testors” be involved in requirements development?
On more than one occasion, I have been asked about early involvement of the test team. To paraphrase a most recent question, I was asked:: “I have studied different articles […]
Medical Device Development and ArgonDigital
We are frequently asked whether or not the training we offer is specifically geared to the medical device industry or if our training is generic. The short answer – our […]
User vs. Product Requirements
“What is the difference between user requirements and product requirements?” The short answer is that user “requirements” often address only what the users expect they will be able to do […]
Use of Multiple Verification Methods – update
We received the following question via our “Ask the Experts” page: “Can (should) a requirement have more than one verification method?” The short answer is no, you should state the […]