![]() ![]() ![]() So the applications of closed-loop control systems include the following. There are different kinds of electronic devices that use a closed-loop control system. Similarly, for the positive feedback, the transfer function equation can be written asĬ(S)/ R(S) = G(S)/ Closed-Loop Control System Examples This is the transfer function of this system with negative feedback. Substitute this E(S) value in C(S), then we can get The closed-loop control system example is shown below. Because this loop can be achieved by connecting some portion of the output voltage to the input of the non-inverting terminal through a feedback loop using a resistor. The best example of this positive feedback in electronic circuits is an operational amplifier. This system is also named as regenerative feedback. ![]() The closed-loop system including a positive feedback signal can be connected to the input of the system is known as a positive feedback system. Types of Closed Loop Control SystemĬlosed-loop control systems are classified into two types depending on the feedback signal nature such as positive feedback signal and the negative feedback signal. The best example of a closed-loop control system is a traffic light control system including a sensor at the input. Therefore, these systems are also named as automatic control systems. In this arrangement, the control system output can be corrected automatically to get the preferred output. Consequently, the controller generates an actuating signal to control the plant.
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