In recent decades, systems dynamics have proven
to be a valuable tool for mapping relationships and key dynamics within complex
systems and organizations. System dynamics is a broad methodology to help
understand and manage feedback systems. Systems dynamics include various
toolsets from the qualitative to the quantitative perspective. Nevertheless,
they do have a shared focus on feedback, so we will delve into what that means.
We distinguish systems dynamics from many other tools by including quality data
in the form of clear diagrams and the structure of cuts across the full range
of stages of the feedback process. Systems dynamics include: (1) Qualitative
and quantitative modeling approaches. That means the feedback loops can be two
qualitatively different kinds (i.e., positive and negative), and quantitative
means that values associated with the two nodes within the related change in
the same direction. (2) A rich set of analysis tools includes a qualitative and
quantitative model. (3) Builds atop a rigorous mathematical foundation. That is
a rich set of analysis tools that reflects the fact that it has its
quantitative side based precisely on some accepted areas of applied mathematics
built on a well-understood rigorous mathematical background that we know
applies everywhere in engineering and science. (4) A set of time-frame
techniques for working with various interdisciplinary bodies. (5) Evolved
software allows you to focus on what is being described – not how it is being
done. We call evolving software something that has been around for a long time
that allows us to focus on what is described and less on how it works in the
background. Thus, for those with an experience in computer science, this refers
to declarative techniques for describing models. So, rather than requiring a
modeler to spend a significant amount of time running the simulation, as is
common in agent-based modeling or micro-simulation modeling, we describe it
graphically in various ways. We are putting in some formulas, and the software
is outstanding in determining how it used to be run. (6) Techniques for
interfacing closely with cognate areas (e.g., design sciences evidence, based
practices, applied mathematics, other modeling approaches).
The models we build with systems dynamics from the
qualitative to the quantitative approach help us reflect on how the system
works and how it can be affected by our attempts to change. So, their ways of
asking what-if questions help us deal with counterfactuals. We can look at ways
to interact with the system or other practices for structuring the plan. Adding
feedback to the system or interrupting input could make things more
cost-effective and cost-effective. Furthermore, they could have a high impact
on the system in a desirable way. The models we built using system dynamics can
help us prioritize the data collected. Our knowledge of the outside world is
often limited and distorted by various biases and data collection. We have little time to improve the
available data. We only have so much time to gather new information and so many
resources to allow us to do that. By prioritizing, we can focus efforts on
areas likely to be treated with the best results. Furthermore, it can help us
understand how different system components interact to give rise to the
phenomena we observe.
System dynamics may not give us accurate predictions
of what will happen. Still, it can provide an overview of the dynamics in the
system and let us know where those points would drive a nonlinear exponential
change. For example, our best-laid plans may fail because we failed to account
for the possibility of an energy crisis, which could disrupt economic and
technological patterns and cause transportation services to fail.
Georgios Ardavanis – 18/02/2023