Download presentation

Presentation is loading. Please wait.

1
Closed-Loop System

2
Closed-Loop Control System

3

4
Open-Loop Amplifier Amplifier with Feedback

5
Block diagram model of feedback amplifier assuming Rp>>R0 of the amplifier.

6

7

8

9

10

11

12

13

14
Transient Response of Control Systems

15
Open-loop speed control system (without feedback).

16
(a)Closed-loop speed control system. (b)(b) Transistorized closed-loop speed control system.

17

18

19
The response of the open-loop and closed-loop speed control system when τ 5 10 and K1. Ka. Kt =100. The time to reach 98% of the final value for the open-loop and closed- loop system is 40 seconds and 0.4 second,respectively.

20
Disturbance in Feedback Control System

21
Steel rolling mill.

22
Open-loop speed control system (without external feedback).

23

24
Closed-loop speed tachometer control system

25
Closed-loop system. (a) Block diagram model. (b) Signal-flow graph model.

26

27
Closed-loop control system with measurement noise.

28

29

30

31
A block diagram model of a boring machine control system

32
The response y(t) to (a) a unit input step r(t) and (b) a unit disturbance step input D(s) 5 1/s for K=100.

33
The response y(t) for a unit step input (solid line) and for a unit step disturbance (dashed line) for K=20.

34
The solar-powered Mars rover,named Sojourner,landed on Mars on July 4,1997 andwas deployed on its journey on July 5,1997. The 23-pound rover is controlled by anoperator on Earth using controls on the rover [21,22]. (Photo courtesy of NASA.)

35
Control system for rover; (a) open-loop (without feedback) and (b) closed-loop with feedback. The input is R(s)=1/s.

36
The magnitude of the sensitivity of the closed-loop system for the Mars rover vehicle.

37
Control system for disk drive head reader.

38
Disk drive head control system with the typical parameters of Table 2.11.

39
Closed-loop response. (a)MATLABscript. (b) Step response for Ka=10 and Ka=80.

40
Disturbance step response. (a) MATLABscript. (b) Disturbance response for Ka=80.

41
(a)A single-loop feedback control system. (b)(b) The error response for a unit step disturbance when R(s) 0

42

43

44

45

46

47

48

49

Similar presentations

© 2016 SlidePlayer.com Inc.

All rights reserved.

Ads by Google