Systems-Thinking
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Systems-Thinking. Systems thinking is valuable because it can help people design smart, enduring solutions to problems. Systems thinking gives people a more accurate picture of reality so that they can work within a system’s natural forces to achieve the results they desire.

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Systems-Thinking

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Systems thinking

Systems-Thinking

Systems thinking is valuable because it can help people design smart, enduring solutions to problems.

Systems thinking gives people a more accurate picture of reality so that they can work within a system’s natural forces to achieve the results they desire.


What is a system

  • A system is a group of interrelated components designed collectively to achieve a a desired goal.

  • Some systems are found in nature, and some are made by humans.

What is a system?


What is a subsystem

  • A subsystem is a system that operates as a part of another system.

What is a subsystem?


System continued

  • When parts of a system are missing, it may not work as planned.

  • Ex) A radio does not work when the electricity fails or a when a battery has been removed.

System Continued


System resources

  • Resources are the things needed to get a job done, such as tools and machines, materials, information, energy, people, capital, and time.

  • Energy transformed into power is used for all technological activities.

  • For example, a battery provides energy to power a flashlight bulb.

System Resources


Technological systems ipof

  • Technological systems include inputs, processes, output, and at times, feedback.

  • The input consists of the resources that flow into the system.

  • The process is the systematic sequence of actions that combines resources to produce an output—encoding, reproducing, designing, or propagating, for example.

Technological Systems IPOF


Ipof continued

  • The output is the end result, which can have either a positive or negative impact.

  • Feedback is information used to monitor or control a system.

IPOF Continued


Systems

  • A system often includes a component that permits revising or refining the system when the feedback information suggests such action.

  • For example, the fuel level indicator of a car is a feedback system that lets the user know when the system needs additional action.

Systems


Open loop system vs closed loop

  • An open-loop system has no feedback path and requires human intervention, while a closed-loop system uses feedback.

  • An example of an open-loop system is a microwave oven that requires a person to determine if the food has been heated to the required temperature.

  • An example of a closed-loop system is the heating system in a home, which has a thermostat to provide feedback when the system needs to be turned on and off.

Open Loop System Vs Closed Loop


Technological systems can be connected to one another

  • Systems can be connected, with the output of one system being the input to the next system.

  • Sometimes the connection provides control of one system over another system.

Technological systems can be connected to one another.


Systems1

  • Systems, which are the building blocks of technology, are embedded in larger technological, social, and environmental systems.

Systems


Systems2

  • For example, a food processor is a system made up of components and subsystems.

  • At the same time, a food processor in a large food preparation system is a component of a larger system.

Systems


Technological system

  • The stability of a technological system is influenced by all of the components in the system, especially the feedback loop.

  • (Cruise control in an automobile, for example, automatically detects and controls the speed of the car.)

Technological System


Resources

  • Selecting resources involves trade-offs between competing values, such as availability, cost desirability, and waste.

  • Technological development involves decisions about which resources can and should be used.

  • For example, some homes are very energy efficient (Inputs), while others consume large amounts of energy.

Resources


Final thought

  • systems thinking enhances the technological design process by emphasizing the relationships among a system’s parts, rather than the parts themselves.

Final Thought


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