Business Driven Information Systems
6th Edition
ISBN: 9781260004717
Author: Paige Baltzan
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 5, Problem 2RQ
To determine
The need of ensuring that data backups are working and can be restored.
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A5.2- A simply supported beam with the given cross-section, as shown in Figure 2, is subjected to
factored uniform load of 50 kN/m. The designer would like to cut-off 2-30M bars where they are no
longer required by the design.
Determine the cut-off point for 2-30M bars according to CSA 23.3 requirements.
Given: Concrete: Normal density with f'c = 30 MPa
Reinforcement: Uncoated rebars with fy = 400 MPa
Shear reinforcement is in excess of CSA 23.3 minimum requirement: 10M
Clear cover to the stirrups: 40 mm
Columns: 500 mm x 500 mm
9 m
W= 50 kN/m
Figure 2
h=600 mm
b=500 mm
Cross-section
As = 5-30M
3. The following closed-loop systems in Fig. 1 and Fig. 2 operate with a damping ratio of 0.707
(=0.707). The system in Fig. 1 does not have a PI controller, while the one in Fig. 2 does.
R(s):
S
Gain
Plant
R(s) +
E(s)
1
C(s)
K
(s+1)(s+2)(s+10)
Fig. 1: Closed-loop system without PI controller
Compensator
Plant
R(s) +
E(s)
K(s+0.1)
S
1
(s+1)(s+2)(s+10)
C(s)
Fig. 2: Closed-loop system with a practical PI controller
a. Please use Matlab to find the intersection point between line and the root locus of the
system in Fig. 1. Then find the K value and one complex closed-loop pole corresponding
to the intersection point. Calculate the steady-state error. Show the Matlab code in your
answer sheet.
b. Please use Matlab to find the intersection point between § line and the root locus of the
system in Fig. 2. Then find the K value and one complex closed-loop pole associated with
the intersection point. Compare the complex closed-loop pole with the one you just found
in task a. Are they very…
1. Please draw the root locus by hand for the following closed-loop system, where G(s) =
s+6
=
S-2
s+8
s-2'
and H(s) = Find the range of K for stability using Method II in Examples 2 and 3 in
Lecture 15.
Input
R(s)
Output
C(s)
KG(s)
H(s)
Chapter 5 Solutions
Business Driven Information Systems
Ch. 5 - Prob. 1OCQCh. 5 - Prob. 2OCQCh. 5 - Prob. 3OCQCh. 5 - Prob. 4OCQCh. 5 - Prob. 5OCQCh. 5 - Prob. 6OCQCh. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Prob. 4RQ
Ch. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQCh. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - Prob. 1CCOCh. 5 - Prob. 2CCOCh. 5 - Prob. 3CCOCh. 5 - Prob. 4CCOCh. 5 - Prob. 5CCOCh. 5 - Prob. 1CCTCh. 5 - Prob. 2CCTCh. 5 - Prob. 3CCTCh. 5 - Prob. 1CBTCh. 5 - Prob. 2CBTCh. 5 - Prob. 3CBTCh. 5 - Prob. 4CBTCh. 5 - Prob. 5CBTCh. 5 - Prob. 6CBTCh. 5 - Prob. 7CBTCh. 5 - Prob. 8CBTCh. 5 - Prob. PIAYKBPCh. 5 - Prob. PIIAYKBPCh. 5 - Prob. PIIIAYKBPCh. 5 - Prob. PIVAYKBPCh. 5 - Prob. PVAYKBPCh. 5 - Prob. PVIAYKBPCh. 5 - Prob. PVIIAYKBPCh. 5 - Prob. PVIIIAYKBPCh. 5 - Prob. PXIAYKBPCh. 5 - Prob. PXAYKBP
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