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AbdulSalam135946
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Oct 13, 2024
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Size: 905.16 KB
Language: en
Added: Oct 13, 2024
Slides: 39 pages
Slide Content
Stability
The stability of a cone.
Stability in the s-plane.
Tacoma Narrows Bridge (a) as oscillation begins
and (b) at catastrophic failure.
Tacoma Narrows Bridge (a) as oscillation begins
and (b) at catastrophic failure.
The Routh-Hurwitz Stability
Criterion
Case 1: No element in the first
column is zero.
Example 5.1 Second-order system
Example 5.2 Thrid-order system
Case 2: Zero in the first column
ExampIe 5.3 Unstable system
Case 3: Zeros in one row
Example 5.4 Robot control
Welding head position control.
Relative Stability of Feedback
Control Systems
Root locations in the s-plane.
(a) Turning control system for a two-track vehicle.
(b) Block diagram.
The stable region.
Closed-loop control system with
T(s) = Y(s)/R(s) = 1/(s
3
+ s
2
+ 2s+24).
Routh array for the closed-loop control system
with T(s) = Y(s)/R(s) = 1/(s3 s2 2s 24)
The closed-loop disk drive head system with an optional
velocity feedback.
Equivalent system with the velocity feedback switch closed.
Response of the system with velocity feedback. (a) MATLAB script.
(b) Response with Ka = 100 and K1 = 0.05.