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/diy/ - Do-It-Yourself - Dualshock Controller Specifications Request - University Project

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Dualshock Controller Specifications Request - University Project g4m3m4573r 05/14/14(Wed)15:22 UTC+1 No.638214 Report

Good evening everyone.

My name is Leoni, I'm a brazilian student and I need to make a study about Vibrations (Physics) for my university project.

I chose to do about the Playstation's Dualshock controller but I need some specs info, I hope you can help me. If the information is classified I will understand but I need an answer from anyone who developed the Dualshock controllers. I need to know the volume that the controller occupies, the kind of plastic used on the controller carcass to get to the hardness coeficient to build a spring-mass system using the dualshock's vibration motors.

We want to make some calculations based on the controller but changing a lot of things to make it less complex.

We're transforming all the mass of the components combined as one big mass, added to the motors' mass. Then draw a "new controller" in a rectangular shape with the same volume, changing to a proportional geometry, to facilitate the calculations. Something that looks like the image ralated, but trying to make it more approximate to the real controller.

[the image related is a Spring-mass system from book Mechanical Vibrations by S. S. RAO, v. 4, p. 139, 2009]

We are going to calculate every single vibration, reaction, hardness, force, mass, etc. Anything that affects the results. That's why we need to know the material used for the controller's carcass and its volume, so we can transform it in an easier way to make those calculations. We're also going to generate graphics on MathLab's Simulink.

Our only intention is to graduate, so our only interest in this is to make this project the best as can be and get the higher score.

I hope you can help me doing this. We are using a DualShock 2 vibration motors but we want to make the calculations on the Dualshock 3.

I hope you can help me :)
Anonymous 05/14/14(Wed)15:41 UTC+1 No.638224 Report

Open it, see if there is a sign identifying the plastic. It's probably ABS.
You should be able to measure the volume.
g4m3m4573r 05/14/14(Wed)17:34 UTC+1 No.638272 Report

I did that, couldnt find anything related, only serial production numbers.

someone told me it's probably PP but I'm not sure, i need to know this exactly
Anonymous 05/14/14(Wed)18:06 UTC+1 No.638287 Report

OP, Playstation controllers are made of two materials. the clear controllers are made of ABS (including the almost-opaque original Sixaxis controller, which doesn't have vibration anyway), but the completely opaque controllers, like the original dualshock, dualshock 2, and dualshock 3, are made of PS (this includes the white plastic bracket that holds the motors).
Anonymous 05/14/14(Wed)18:10 UTC+1 No.638288 Report

The motors seem standard and generic. One has four large pieces of metal on it, and one has one small piece of metal on it.

USB provides 5v of electricity, and the included battery packs of the dualshock 3 are 3.7v. Exactly how much of this goes to the motors at any given point, I can't be sure. It's variable on what information is sent to them, anyway.
Anonymous 05/14/14(Wed)18:18 UTC+1 No.638292 Report

OP, I've been taring apart Dualshock 3 controllers for a while, usually for completely random and benign reasons (making the lights not shine through the case, seeing if it was possible to re-connect a light that was removed late in development, looking at the vibrators, looking at what kinds of plastics are inside because some felt different than others, etc.)

Right now, I've revisisted them and opened one up because I'm finally doing the thing that most probably think of doing first (investigating if one can build a good vibrator for my girlfriend with the motors, haha).

I don't even own a PS3... I just use them for various things. So, OP, I'm probably your guy.
g4m3m4573r 05/14/14(Wed)22:08 UTC+1 No.638388 Report

Thanks! Gonna search about those materials! Thanks a lot!
About the motors, I've found a lot of info actually, I only need the controller carcass information for the vibrations impacts on it.
Thanks Man! That's good to know! We're gonna do all the calculations and after that I can go back here and post here all my work. It could give ya a little help aswell haha
Anonymous 05/14/14(Wed)22:11 UTC+1 No.638391 Report

Note, though, that most polystyrene is foam. This is high-density polystyrene.
G4M3M4573R 05/15/14(Thu)15:25 UTC+1 No.638659 Report

That's a good thing to remember. Thanks. I'm gonna search more about it.
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