Subject:
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Re: FIber-optic rotation sensor
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 21 Dec 1999 18:24:48 GMT
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Viewed:
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596 times
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Dennis, You are absolute correct. No brain cell problems on this issue.
I can't remember the part about Mario, but it makes sense..
Jin Sato has used these on the front legs of his Mibo dog to determine motion. He
knows the direction that he is moving the motor, so the lack of direction
information was "worked around" in software.
-Phil
Dennis Clark wrote:
> In lugnet.robotics, David Paule writes:
> > The fiber-optic device and a light sensor can be rigged to detect at least two
> > distinct rotation positions of an axle.
> [snip]
>
> I believe it was Mario that described a way to use the FO device as a
> rotation detection unit all by itself. Apparently as a side-effect of the
> rotation the FO device can toggle the pulse counter as well. It can't detect
> direction like the true rotational sensor, but it apparently can detect
> rotation - counting clicks may then allow you to fix end-point stops.
>
> Does anyone else verify what I just said or is my memory shot?
>
> DLC
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Message has 1 Reply:
 | | Re: FIber-optic rotation sensor
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| It was not me to discover it, but it's definitely doable. You can use the fiber-optic device as a rotation sensor and it works pretty well. As Dennis and Phil said, the only point is that you cannot detect the direction, but in many cases you (...) (25 years ago, 22-Dec-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: FIber-optic rotation sensor
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| (...) [snip] I believe it was Mario that described a way to use the FO device as a rotation detection unit all by itself. Apparently as a side-effect of the rotation the FO device can toggle the pulse counter as well. It can't detect direction like (...) (25 years ago, 21-Dec-99, to lugnet.robotics)
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