Proportional control system: Calculating the change in offset

In summary, a proportional control system is a type of control system that uses a proportional gain to adjust the output based on the difference between the desired setpoint and the current output. This is achieved by calculating the change in output using the proportional gain and adjusting the input accordingly. The proportional gain is determined using the formula Kp = Δy / Δx and is used to calculate the change in offset needed to bring the output closer to the setpoint. Some advantages of using a proportional control system include simplicity, stability, and accuracy, making them ideal for controlling processes with varying conditions.
  • #1
James FC
9
0

Homework Statement


I'm having trouble worki out the transfer function of the block. Whats confusing me is the input of O2 input of 50. If that wasn't there I know the transfer function would be Oo/Oi=G/1+GH.

Homework Equations

The Attempt at a Solution

 

Attachments

  • prop question.pdf
    120.4 KB · Views: 284
Physics news on Phys.org
  • #2
The answer is simple: You have two input sources. Hence, we can define two different transfer functions (one of the sources is set to zero).
 

1. What is a proportional control system?

A proportional control system is a type of control system that uses a proportional gain to adjust the output of a system based on the difference between the desired setpoint and the current output. This type of system is commonly used in engineering and industrial applications to maintain a desired level of control.

2. How does a proportional control system work?

In a proportional control system, the proportional gain is used to calculate the change in the output based on the difference between the setpoint and the current output. This change in output is then used to adjust the input to the system, bringing it closer to the desired setpoint.

3. What is the proportional gain and how is it calculated?

The proportional gain is a constant value that determines the relationship between the change in the output and the difference between the setpoint and the current output. It is typically calculated using the formula Kp = Δy / Δx, where Δy is the change in output and Δx is the change in input.

4. How is the change in offset calculated in a proportional control system?

The change in offset in a proportional control system is calculated by multiplying the proportional gain by the difference between the setpoint and the current output. This value represents the amount of change needed in the output to bring it closer to the desired setpoint.

5. What are the advantages of using a proportional control system?

Proportional control systems offer several advantages, including simplicity, stability, and accuracy. They are relatively easy to implement and do not require complex calculations or advanced programming. Additionally, they can quickly respond to changes in the setpoint and maintain a stable output, making them ideal for controlling processes with varying conditions.

Similar threads

  • Engineering and Comp Sci Homework Help
Replies
24
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
14
Views
3K
  • Engineering and Comp Sci Homework Help
Replies
5
Views
1K
  • Engineering and Comp Sci Homework Help
Replies
12
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
33
Views
5K
  • Engineering and Comp Sci Homework Help
Replies
7
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
1
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
5
Views
1K
  • Engineering and Comp Sci Homework Help
Replies
6
Views
2K
  • Engineering and Comp Sci Homework Help
Replies
1
Views
976
Back
Top