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Chapter 6 - Systems
Term | Definition |
---|---|
System | a group of interrelated components designed collectively to achieve a desired goal. |
Input | the command given to a system (the desired output) |
Process | the action part of a system |
Output | what is produced by a system. - the actual output |
Subsystem | smaller systems that often make up other, larger systems. |
Open-loop System | a system that has no way of monitoring and adjusting itself |
Closed-loop System | a system that can respond and change its inputs and outputs. |
Feedback | information about the output of a system that can be used to adjust it |
Sensor | a monitor of a system’s output |
Comparator | an instrument that compares the actual output of a system with the desired output or result |
Controller | a device that turns a process on or off, or that changes it in some way |
Limits of Controllability | minimum and maximum outputs that a system can produce |