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Time and frequency characteristics of links

Lecture



Aperiodic link

Transmission function

  Time and frequency characteristics of links .

Time characteristics

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

Frequency response

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

  Time and frequency characteristics of links

  Time and frequency characteristics of links

Real differentiating link

Transmission function

  Time and frequency characteristics of links .

We transform the transfer function of a real differentiating link for the convenience of obtaining temporal characteristics -

  Time and frequency characteristics of links .

Temporal characteristics can be determined by the known characteristics of the inertialess and aperiodic links -

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

Frequency response

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

  Time and frequency characteristics of links

  Time and frequency characteristics of links

Integrated Link with Lag

Transmission function

  Time and frequency characteristics of links .

We transform the transfer function of a real differentiating link for the convenience of obtaining temporal characteristics -

  Time and frequency characteristics of links ,

Where

  Time and frequency characteristics of links .

Temporal characteristics can be determined by the known characteristics of the integrating and aperiodic links -

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

Frequency response

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links

  Time and frequency characteristics of links

  Time and frequency characteristics of links

  Time and frequency characteristics of links

Proportional-integrating link

Transmission function

  Time and frequency characteristics of links .

Temporal characteristics can be determined by the known characteristics of the inertialess and integrating links -

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

Frequency response

  Time and frequency characteristics of links ,

  Time and frequency characteristics of links .

  Time and frequency characteristics of links

  Time and frequency characteristics of links

  Time and frequency characteristics of links

Test questions and tasks

    1. Compare the characteristics of differentiating and really differentiating links. What do they have in common, and how do they differ?

    2. Compare the characteristics of the integrator and integrator with a lag. What do they have in common, and how do they differ?

    3. The differential equation describing the dynamic link has the form -

  Time and frequency characteristics of links .

Determine the transfer function of a typical dynamic link and its name.

Answer :

We have aperiodic link with transfer function -

  Time and frequency characteristics of links ,

    1. The transfer function of the dynamic link has the form -

  Time and frequency characteristics of links ,

how to change the amplitude of the harmonic signal with frequency   Time and frequency characteristics of links how many times?

Answer :

The signal will decrease 10 times.

    1. The transfer function of the dynamic link has the form -

  Time and frequency characteristics of links ,

how to change the phase of the harmonic signal with frequency   Time and frequency characteristics of links ?

Answer :

The output will be ahead of the input to   Time and frequency characteristics of links .

    1. The transfer function of the dynamic link has the form -

  Time and frequency characteristics of links ,

Determine the angle of inclination of the transient characteristics of this link.

Answer :

Tilt angle is   Time and frequency characteristics of links .


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Mathematical foundations of the theory of automatic control

Terms: Mathematical foundations of the theory of automatic control