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Statistical Analysis of the Vibrating Beam. THE GROUP Amanda Criner Kimberly Sacha LeVar Henderson. Project Goal. Which mathematical models can be used to describe the vibrating beam?. Outline. Collect Data Choose Model Spring Results Evaluate the Model. The Spring Model. Equation - PowerPoint PPT Presentation
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Statistical Analysis of the Vibrating Beam
THE GROUP
Amanda CrinerKimberly SachaLeVar Henderson
Project Goal
Which mathematical models can be used to describe the vibrating beam?
Outline
Collect Data Choose Model
Spring Results Evaluate the Model
The Spring Model
Equation y’’ + Cy’ + Ky = 0 y(0)=y0, y0’=0
Assumptions The beam is behaving like a spring. The only forces are the force of the
spring, friction and the voltage. The voltage is one kick.
Data
C7=0.8630
C8=0.7010
C9=0.7753
K7=1,545
K8=1,567
K9=1,543
Residual vs. Fitted Value in Set 9
Residual vs. Fitted Value in Set 7
Residual vs. Time in Sets 7 & 8
QQ Plot of Sample Data vs. Standard Normal in Sets 7-9
Conclusions
GOOD ENOUGH FOR US?Yes!
Good introduction to modeling physical phenomena
Simple enough to experiment with:Optimization algorithmsStatistical analysis
=Good learning toolWE AREN’T BUILDING A BRIDGE TODAYTrue tad!!!!