1 Closed-Loop System 2 Closed-Loop Control System 3 (No Transcript) 4 Open-Loop Amplifier Amplifier with Feedback 5 Block diagram model of feedback amplifier assuming RpgtgtR0 of the amplifier. 6 (No Transcript) 7 (No Transcript) 8 (No Transcript) 9 (No Transcript) 10 (No Transcript) 11 (No Transcript) 12 (No Transcript) 13 (No Transcript) 14 Transient Response of Control Systems 15
Open-loop speed control system
Closed-loop speed control system.
(b) Transistorized closed-loop speed control system.
17 (No Transcript) 18 (No Transcript) 19 The response of the open-loop and closed-loop speed control system when t 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 secondrespectively. 20 Disturbance in Feedback Control System 21 Steel rolling mill. 22 Open-loop speed control system (without external feedback). 23 (No Transcript) 24 Closed-loop speed tachometer control system 25 Closed-loop system. (a) Block diagram model. (b) Signal-flow graph model. 26 (No Transcript) 27 Closed-loop control system with measurement noise. 28 (No Transcript) 29 (No Transcript) 30 (No Transcript) 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 K100. 33 The response y(t) for a unit step input (solid line) and for a unit step disturbance (dashed line) for K20. 34 The solar-powered Mars rovernamed Sojournerlanded on Mars on July 41997 andwas deployed on its journey on July 51997. The 23-pound rover is controlled by anoperator on Earth using controls on the rover 2122. (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
(b) The error response for a unit step disturbance when R(s) 0
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