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Old 04-16-2015, 05:31 PM   #1
XpressCS OP
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Does anybody else want a BB-8?

Ok how freaking cool is this guy?

http://www.polygon.com/2015/4/16/843...ppet-jj-abrams

What gets me is how does the head move about?
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Old 04-16-2015, 08:35 PM   #2
k-moe
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Originally Posted by XpressCS View Post
What gets me is how does the head move about?
I will speculate that it is:

1. gyrostabilized

2. uses spheroid "wheels" that are each driven by a pair of motors that are 90 from one another.

3. dependant on some fancy programing to interperate inputs from the radio controls and turn them into useable rates of movement (no servo actuated motor controls here methinks).

4. that the main body "ball" is itself gyrostabilized in order to dampen inputs from the head so that one does not outpace the other (this could also be done by optical feedback that prevents the head from moving "over center" so far that the whole thing tips uncontrolably; sort of like how one might control a stoppie).
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Old 04-16-2015, 09:17 PM   #3
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I have been thinking about this for some time now. I believe the body obviously has what is similar to a segway (sphero technology). The head has 3 drive wheels that keep it sitting level with the body at all times, with a large magnet that keeps the head sucked firmly to the body. Robotic wizardry keep the head from moving too far. The same wizardry also allows the head to move as fast as the body does.
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Old 04-17-2015, 04:04 AM   #4
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Stairs. Just sayin'.
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Old 04-17-2015, 04:20 PM   #5
Roland44
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Originally Posted by XpressCS View Post
I have been thinking about this for some time now. I believe the body obviously has what is similar to a segway (sphero technology). The head has 3 drive wheels that keep it sitting level with the body at all times, with a large magnet that keeps the head sucked firmly to the body. Robotic wizardry keep the head from moving too far. The same wizardry also allows the head to move as fast as the body does.
That sounds really doable...
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Old 04-17-2015, 04:50 PM   #6
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Very cool, you're right.


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Old 04-18-2015, 04:21 AM   #7
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Seems to make sense
From Jalopnik
http://jalopnik.com/the-new-star-war...fk9g,pexi6me2k
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Old 04-18-2015, 07:39 AM   #8
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Well we already know that Sphero helped make BB-8, so it undoubtedly has an upscaled version of Sphero's chassis:



http://fortune.com/2015/04/17/iger-s...rs-bb8-sphero/

I wonder if the odd pillar in the center is implemented in BB-8 as well. Such a device could contain a magnetic gimbal...
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