Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input)

Module 3 Testing

Theoretical questions

1 Main performance criteria of control systems (explain the essence of all criteria)

2 Performance parameters of control systems in the transient process

3 Effects of a third pole and a zero on the second-order system response

4 Assessment of damping ratio

5 The root methods to assess control systems performance indicators

6 Sensitivity of control systems to parameter variations

7 Error signal analysis

8 Steady-state errors of control systems

9 Disturbance rejection

10 Noise attenuation

11 Performance indices of control systems

12 Gain and phase margins of control systems

13 Assessing performance indicators using Bode diagram

14 Assessing stability indicators using Nichols diagrams

15 The oscillation indicator

16 Performance analysis using gain-frequency characteristics

17 System Bandwidth

18 The stability of control systems with time delays

19 THE ROOT LOCUS CONCEPT

20 Step 3: Locating of the poles — Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru and zeros — Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru on the s-plane

21 Step 4: Locating the segments of the real axis that are root loci.

22 Step 7: Locating asymptotes

23 Step 8: Defining the points where the root locus will cross the imaginary axis

24 Step 9: Defining the breakaway points from real axis

25 Step 10: Determine the angle of departure of the locus from a pole and the angle of arrival of the locus at a zero

26 PARAMETER DESIGN BY THE ROOT LOCUS METHOD

27 APPROACHES TO SYSTEM DESIGN

28 PHASE-LEAD NETWORK

29 PHASE-LAG NETWORK

30 PHASE-LEAD DESIGN USING THE BODE DIAGRAM

31 Compensator design by changing a system gain

32 SYSTEM DESIGN USING INTEGRATION NETWORKS (proportional plus integral (PI) controller)

33 Proportional plus derivative control (PD control)

34 Analytical design of PID controllers

35 System design using the Bode diagram, analytical methods and computer programs.

36 SYSTEMS WITH A PREFILTER

37 DESIGN FOR DEADBEAT RESPONSE

38 PID controller design

39 Phase lead controller design using the root locus method

40 Analytical design of a phase lead controller using the root locus method

41 Phase lag controller design using the root locus method

42 Analytical design of PID controller using the root locus method

Practical questions

1. Constructing Nyquist, Bode and Nichols diagrams and defining stability indicators for the following transfer functions:

1.1 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.2 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.3 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.4 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.5 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.6 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.7 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.8 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.9 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.10 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.11 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.12 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.13 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.14 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

1.15 Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

2. The construction of asymptotic gain-frequency characteristic for following transfer function:

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

3. Consider the following control system and define:

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

- the control system reaction to step input signal at K=20 and K=100

- the control system reaction to step disturbance input signal at K=20 and K=100

- how the change in damping ratio affects control system transient characteristics

4. Define the control system bandwidth

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

5. Define Impulse response characteristics for 2nd order control systems

6. Control system reaction to linear input (ramp) signal

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

6.Compare step response for second-order approximation of 3rd order control system

num1=[6]; den1=[1 6 11 6];

sys1=tf(num1,den1) %<— Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

num2=[1.6]; den2=[1 2.594 1.6];

sys2=tf(num2,den2) %<— Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input)

8. Meeting steady-state error requirements

9.Analyzing the system sensitivity to the changes in its parameters.

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

10. Analyzing the system sensitivity to the changes in its parameters.

C(s)
Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

11.

Define steady-state error at unit step function and for Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru and Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Draw graphically the system reaction to unit disturbance for various values of Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru .

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru =0;10;100

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru ; Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru ; Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

-H(s)
Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

12.Researching the properties of a control system with Transport Delay link depending on Controller gains:

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

13. Researching the behavior of this control system depending on the time delays of Transport Delay link.

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

13. Researching the behaviour of the following control system with input delay:

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

14.Researching the behaviour of the following control system with output delay:

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

14. Construct the root locus for the following transfer function

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

15. Construct the root locus for the following transfer function G(s)=K/[s(s^2+4s+13)]

16.Construct the root locus for the following transfer function G(s)=K(s+2)/[s(s+2)(s+5)]

17. Construct the root locus for the following transfer function

G(s)=K(s+2)(s^2+4s+8)/[s(s+1)(s ^2+0.7s+2)]

18. Controller design procedure for the rotor winder control system

19. Compensator design by changing gain constant

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

20.Researching control system’s step response characteristics depending on the change in the frequency which provides for the set Phase Margin value.

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

21. Researching phase lead and lag compensators

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

22. Researching the behavior of a control system with various gain values of P-controller

(K = 5, 10, 15)

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

23. Researching reference and disturbance behaviour of control systems with various controller types

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

Calculating steady-state errors for control systems (Type 0, Type 1, Type 2; Step Input, Ramp Input, Parabolic Input) - student2.ru

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