green team dustin fraley deandre strong stephanie wilson september 14, 2005 utc engr 329 speed...
Post on 19-Dec-2015
216 views
TRANSCRIPT
![Page 1: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/1.jpg)
Green Team
Dustin FraleyDeAndre Strong
Stephanie Wilson
September 14, 2005UTC
ENGR 329
Speed System
![Page 2: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/2.jpg)
Presentation will include…
Background on the speed system Theory of experimental analysis Steady-state and step tests Results of tests Conclusions on the usefulness of our
findings
![Page 3: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/3.jpg)
Background: what is the speed system?
![Page 4: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/4.jpg)
In other words…
SRC
1
ST
1
Motor /
Generator
SCZ
1
![Page 5: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/5.jpg)
Theory
![Page 6: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/6.jpg)
Speed Constant
0
10
20
30
40
50
60
70
80
90
100
0 2 4 6 8 10 12
Time(sec)
Input (%)
0
120
240
360
480
600
720
840
960
1080
1200
Output(RPM)
Input Value(%) Output(RPM)
REGION FOR AVERAGE AND STANDARD DEVIATIONAVERAGE=1030.28 RPM S.D.=2.40 RPM
DLF9-1-05
Transients start at t=0 s and end at t=1.75 s.
![Page 7: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/7.jpg)
Steady State Operating Curve For Speed
0
200
400
600
800
1000
1200
1400
1600
1800
0 10 20 30 40 50 60 70 80 90 100
Input(%)
Output(RPM)
![Page 8: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/8.jpg)
Results Cont.
Steady-state Function
C = 17.28 m – 9.66
Input Range
20% - 90%
![Page 9: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/9.jpg)
Time Response of the SystemBase 30%, Step 20%
25
30
35
40
45
50
0 2 4 6 8 10 12 14 16 18 20
Time (sec)
Input (%)
400
500
600
700
800
900
Output (RPM)
Input Value(%) Output(RPM)
Steady State
Steady State
Time
Response
![Page 10: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/10.jpg)
Base 50%, Step 20%
45
50
55
60
65
70
75
3 5 7 9 11 13 15 17 19
Time (sec)
Input (%)
800
875
950
1025
1100
1175
1250
Output (RPM)
Input Value(%) Output(RPM)
τ=0.4st0=0.2s
0.632∆Cs=224RPM
∆Cs=355RPM∆m=20%
K = ∆Cs / ∆m =17.7 (RPM / %)
Using the Fit 2 Method
![Page 11: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/11.jpg)
Base 50%, Step 20%
45
50
55
60
65
70
75
3 5 7 9 11 13 15 17 19
Time (sec)
Input (%)
800
875
950
1025
1100
1175
1250
Output (RPM)
Input Value(%) Output(RPM)
τ=0.4st0=0.2s
0.632∆Cs=224RPM
∆Cs=355RPM∆m=20%
K = ∆Cs / ∆m =17.7 (RPM / %)
![Page 12: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/12.jpg)
Base 50%, Step -20%
20
25
30
35
40
45
50
55
Input (%)
500
557
614
671
729
786
843
900
5 7 9 11 13 15 17 19
Time (sec)
Output (RPM)
Input (%) Output (RPM)
∆Cs=345 ∆m=20%
k=∆Cs/∆m=17.2 RPM/%
t0=0.5
0.632∆Cs=218 RPM
τ=0.4 s
![Page 13: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/13.jpg)
Step Response - K (gain)
14.500
15.000
15.500
16.000
16.500
17.000
17.500
18.000
18.500
1
Parameters (RPM/%)70%-90% 50%-70% 30%-50%
Lower - UpMiddle - UpUpper - Up
![Page 14: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/14.jpg)
Step Response - K (gain)
16.400
16.600
16.800
17.000
17.200
17.400
17.600
17.800
18.000
Average
Parameter (sec)
90%-70%
70%-50%
50%-30%
Middle - DownUpper - Down Lower - Down
![Page 15: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/15.jpg)
Step Response - T0
-0.300
-0.200
-0.100
0.000
0.100
0.200
0.300
0.400
0.500
0.600
1
Parameters (sec) 70%-90% 50%-70% 30%-50%
Lower - UpMiddle - UpUpper - Up
![Page 16: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/16.jpg)
Step Response - t0
0.000
0.100
0.200
0.300
0.400
0.500
0.600
0.700
0.800
Average
Parameter (sec)
90%-70%
70%-50%
50%-30%
Lower - DownMiddle - DownUpper - Down
![Page 17: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/17.jpg)
Step Response - Tau
0.000
0.050
0.100
0.150
0.200
0.250
0.300
0.350
0.400
1
Parameters (sec) 70%-90% 50%-70% 30%-50%
Lower - UpMiddle - UpUpper - Up
![Page 18: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/18.jpg)
Step Response - Tau
0.000
0.100
0.200
0.300
0.400
0.500
0.600
0.700
0.800
Average
Parameter (sec)
90%-70%
70%-50%
50%-30%
Lower - DownMiddle - DownUpper - Down
![Page 19: Green Team Dustin Fraley DeAndre Strong Stephanie Wilson September 14, 2005 UTC ENGR 329 Speed System](https://reader036.vdocument.in/reader036/viewer/2022062421/56649d3a5503460f94a14d19/html5/thumbnails/19.jpg)
Conclusions
The SSOC accurately predicts the output of the motor (input 20%-90%)
Tau, K, and t0 are approximately the same for input upsteps and downsteps.