The block diagram of a linear control system is shown in the Fig, where r(t) is the reference input and n(t) is the disturbance. 1. Find the steady-state VALUE of e(t) when n(t)= 0 and r(t)= tus(t). Find the conditions on the values of and K so that the solution is valid N(S) Rcs) E(s) → sta S controller + KCS+ 3) (s² -1) Process 7(s)

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**Title: Analysis of a Linear Control System**

**Description:**

The block diagram illustrates a linear control system used in studying control processes. In this system:

- \( r(t) \) is designated as the reference input.
- \( n(t) \) represents the disturbance.

**Objective:**

1. **Task:** Determine the steady-state value of \( e(t) \) under the conditions \( n(t) = 0 \) and \( r(t) = tu_s(t) \). 
   
   - **Challenge:** Identify the values of \( \alpha \) and \( K \) that ensure the validity of the solution.

**Block Diagram Overview:**

- The diagram consists of several interconnected components:
  
  - **Reference Input \( R(s) \):** The starting point of the control system where the desired input signal is introduced.
  
  - **Controller:** A block defined by the transfer function \( \frac{s+\alpha}{s} \). It processes the error signal \( E(s) \) to produce an adjusted signal for further processing.
  
  - **Summation Junction:** Combines signals, adding the process output and subtracting the disturbance \( N(s) \).
  
  - **Process:** Defined by the transfer function \( \frac{KCs+3}{s^2-1} \), this block represents the dynamic system being controlled, producing the output \( Y(s) \).
  
  - **Feedback Loop:** Feeds the output \( Y(s) \) back to the beginning to form a closed-loop system ensuring higher accuracy in control.

Understanding and analyzing each component's role in the system is crucial for achieving desired control objectives in various applications such as automation and robotics.
Transcribed Image Text:**Title: Analysis of a Linear Control System** **Description:** The block diagram illustrates a linear control system used in studying control processes. In this system: - \( r(t) \) is designated as the reference input. - \( n(t) \) represents the disturbance. **Objective:** 1. **Task:** Determine the steady-state value of \( e(t) \) under the conditions \( n(t) = 0 \) and \( r(t) = tu_s(t) \). - **Challenge:** Identify the values of \( \alpha \) and \( K \) that ensure the validity of the solution. **Block Diagram Overview:** - The diagram consists of several interconnected components: - **Reference Input \( R(s) \):** The starting point of the control system where the desired input signal is introduced. - **Controller:** A block defined by the transfer function \( \frac{s+\alpha}{s} \). It processes the error signal \( E(s) \) to produce an adjusted signal for further processing. - **Summation Junction:** Combines signals, adding the process output and subtracting the disturbance \( N(s) \). - **Process:** Defined by the transfer function \( \frac{KCs+3}{s^2-1} \), this block represents the dynamic system being controlled, producing the output \( Y(s) \). - **Feedback Loop:** Feeds the output \( Y(s) \) back to the beginning to form a closed-loop system ensuring higher accuracy in control. Understanding and analyzing each component's role in the system is crucial for achieving desired control objectives in various applications such as automation and robotics.
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