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Heaps And Systems

A “heap” is a collection of individual “parts”. A “system” is an intentionally  designed set of interconnected parts with a purpose.  The purpose of a system transcends AND includes the purpose of each...

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Trees

This tree below is my personal creation. You’re tree would likely be different than my tree. Nature creates perfect trees. Man tends to destroy nature’s trees and to create arbitrary artificial trees...

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Functional Allocation V

Holy cow! We’re up to the fifth boring blarticle that delves into the mysterious nature of “Functional Allocation”. Let’s start here with the hypothetical 6 level allocation reference tree that was...

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Functional Allocation VI

Every big system, multi-level, “allocation” process (like the one shown below) assumes that the process is initialized and kicked-off with a complete, consistent, and unambiguous set of...

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Functional Allocation VII

Here we are at blarticle number 7 on the unglamorous and boring topic of “Functional Allocation”. Once again, for a reference point of discussion, I present the hypothetical allocation tree below (your...

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Functional Allocation VIII

Typically, the first type of allocation work performed on a large and complex product is the shall-to-function (STF) allocation task. The figure below shows the inputs and outputs of the STF allocation...

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No Good Deed

Let’s say that the system engineering culture at your hierarchically structured corpo org is such that virtually all work products handed off  (down?) to hardware, software and test engineers are...

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Surveillance Systems

The purpose of a surveillance system is to detect and track Objects Of Interest (OOI) that are present within a spatial volume covered by a sensing device. Surveillance systems can be classified into...

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Structure And The “ilities”

In nature, structure is an enabler or disabler of functional behavior. No hands – no grasping, no legs – no walking, no lungs – no living. Adding new functional components to a system enables new...

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Whole, Part, Purposeful, Unpurposeful

Perhaps ironically, the various branches of “systems thinking” do not have a consensus definition of “system” archetypes. In “Ackoff’s Best”, Russell Ackoff lays down his definition as follows: There...

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