What does the transfer function represent in control systems?

Practice Questions

Q1
What does the transfer function represent in control systems?
  1. The relationship between input and output in the time domain.
  2. The relationship between input and output in the frequency domain.
  3. The stability of the system.
  4. The type of controller used.

Questions & Step-by-Step Solutions

What does the transfer function represent in control systems?
  • Step 1: Understand that a control system takes an input and produces an output.
  • Step 2: The transfer function is a mathematical tool used to describe how the output responds to the input.
  • Step 3: It focuses on the frequency domain, which means it looks at how different frequencies of input affect the output.
  • Step 4: The transfer function is usually written as a fraction, where the top part (numerator) and the bottom part (denominator) are polynomials.
  • Step 5: The numerator represents the system's response to the input, while the denominator represents the system's characteristics.
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