Creating a 6DOF model in Matlab/Simulink
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Hi guys, I am trying to create a 6DOF (spring-mass-damper) model in Matlab/Simulink, wherein I can first, generate different types of input excitation signals (burst random, chirp, etc.), then apply them on any DOFs and generate multiple responses. So basically a MIMO MDOF system. And then record the time histories generated for further processing. Please let me know if there is an easier way to do this. Also, how do you create a burst random signal in Matlab? Thanks.
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Fangjun Jiang
am 15 Jun. 2011
How easy do you expect? It's not going to be as easy as a finger snap. But you are heading to the right direction. MATLAB and Simulink are the perfect tools for this task. You need to write down the mathematical equation of your sping-mass-damper system and build a Simulink model block by block. Then you can run simulations, plot responses, etc. The random signal and chirp signal are readily available in Simulink block library.
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Kaustubh Surdi
am 15 Jun. 2011
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Fangjun Jiang
am 15 Jun. 2011
Yes, if you have the Simscape toolbox, then it would be easier to build the model. Instead of deriving a mathematical equation first, you just need to drag and drop those components, like spring, mass and damper. Just like you building up a lego blocks.
Arnaud Miege
am 15 Jun. 2011
You can also have a look at some of videos on the Simscape web page:
http://www.mathworks.co.uk/products/simscape/demos.html
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