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Universal Systems Model

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Todd Anderson

on 17 October 2012

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Transcript of Universal Systems Model

Exploring Technological Systems Unit 1
Lesson 1
Part 1 ENGR-TS-1: Students will develop an understanding of the Universal Systems Model. Standard: A. Define the Universal System Model.
B. Identify the components of a system.
C. Examine a variety of simple, common systems. Critical Knowledge/Elements What are the parts of a system? Essential Question A group of interrelated parts or elements that function together to accomplish a goal. What is a System? Natural Systems
ex. human anatomy
subsystems: respiratory system, cardiovascular system, skeletal system, digestive system, nervous system, and muscular system What are some examples of other systems? Man-Made Systems
ex. automobile
subsystems: power train, electrical system, coolant system, fuel system, exhaust system, brake system, and steering system What are some examples of other systems? 1. Mechanical systems take an input motion or force and create a desired output motion of force.
2. Mechanical systems including a door latch, pulleys, and gears. Mechanical Systems People
Tools & Machines
Capital 7 Technological Resources All Systems Need (cc) image by nuonsolarteam on Flickr Universal Systems Model Input INPUT: Something that is put into a system in order to achieve a result. The input is often a combination of the 7 resources of technology. Process PROCESS: A sequence of actions that combine resources to produce an output. The action part of a system. Output OUTPUT: The results of the operation of any system. The goal of the system. Feedback FEEDBACK: Used to monitor how a system is working. Closed -Loop System A system that uses feedback from the output to control the input. A control system that has no means for comparing the output with the input for control purposes. Control of open-loop systems often requires human intervention. Open-Loop System a. Systems are found in nature and some are made by humans.
b. Systems have parts or components that work together to accomplish a goal.
c. A subsystem is a system that operates as part of another system.
d. When parts of a system are missing or malfunctioning, the system may not work properly.
e. Any system is usually connected to other systems, both internally and externally. Thus a system may be thought of as containing subsystems and as being a subsystem of a larger system. Characteristics of Systems Flushing a Toilet
Riding a Bike
Ringing a Door Bell
Turning on a Light
Sharpening a Pencil
Cooling a Room with an Air Conditioner Example of Systems
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