Assertion (A): Feedback control system offer more accurate control ove...
Explanation: Feedback control system offers more accuracy and also reduces the gain of the system and establishes the link for input and output comparison and subsequent error correction.
View all questions of this test
Assertion (A): Feedback control system offer more accurate control ove...
Assertion (A): Feedback control systems offer more accurate control over open-loop systems.
Feedback control systems are designed to continuously monitor the system's output and compare it to the desired reference input. This comparison allows the system to make adjustments and correct any differences or errors between the desired and actual output. In an open-loop system, on the other hand, there is no feedback or correction mechanism. The control action is solely based on the input signal, without any consideration for the output or system response.
Reason (R): The feedback path establishes a link for input and output comparison and subsequent error correction.
The feedback path in a control system connects the output of the system back to the input, creating a closed-loop configuration. This connection allows the system to compare the actual output with the desired reference input and generate an error signal, which represents the deviation or difference between the two. The error signal is then used to adjust the control action and minimize the error.
Explanation:
The assertion (A) states that feedback control systems offer more accurate control over open-loop systems. This is because the feedback path in a control system provides a mechanism for continuous comparison between the desired reference input and the actual output. This allows the system to make real-time adjustments and corrections based on the error signal. As a result, feedback control systems are better able to compensate for disturbances, uncertainties, and changes in the system's behavior, leading to more accurate and precise control.
The reason (R) supports the assertion by explaining that the feedback path establishes a link for input and output comparison and subsequent error correction. The feedback path enables the system to generate an error signal by comparing the actual output with the desired reference input. This error signal is then used to adjust the control action and minimize the error. Without the feedback path, open-loop systems lack this error correction mechanism and are unable to adapt to changing conditions or disturbances, resulting in less accurate control.
Therefore, both the assertion (A) and the reason (R) are true, and the reason (R) provides a correct explanation of the assertion (A). Feedback control systems indeed offer more accurate control over open-loop systems because of the feedback path's ability to establish a link for input and output comparison and subsequent error correction.
To make sure you are not studying endlessly, EduRev has designed Electrical Engineering (EE) study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Electrical Engineering (EE).