Category: 8. Systems
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Negative Feedback Systems
Negative Feedback is the most common form of feedback control configuration used in process, micro-computer and amplification systems. Feedback is the process by which a fraction of the output signal, either a voltage or a current, is used as an input. If this feed back fraction is opposite in value or phase (“anti-phase”) to the…
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Feedback Systems
In a Feedback System, all or part of the output signal either positive or negative is fed back to the input. Feedback Systems process signals and as such are signal processors. The processing part of a feedback system may be electrical or electronic, ranging from a very simple to a highly complex circuits. Simple analogue feedback…
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Closed-loop Systems
Closed-loop Systems use feedback where a portion of the output signal is fed back to the input to reduce errors and improve stability. The ability of a feedback system to modify the natural dynamics of a system, and in particular to stabilise it is the basic architecture of any closed-loop system. But what are the…
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Open-loop System
The open-loop configuration does not monitor or measure the condition of its output signal as there is no feedback. In the previous tutorial about Electronic Systems, we saw that a system can be defined as a collection of subsystems which direct or control an input signal to produce the desired output condition. But any electrical…
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Electronic Systems
An Electronic System is a physical interconnection of components, or parts, that gathers various amounts of information together. Electronic systems do this with the aid of input devices such as sensors, that respond in some way to this information and then uses electrical energy in the form of an output action to control a physical…