Subject:
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Re: effect of motor speeds
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 10 Dec 1998 13:06:57 GMT
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Original-From:
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John Cooper <(robots@jpsc.co.)saynotospam(uk)>
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Viewed:
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955 times
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> I noticed that settting the motor speed does not seem to have much efect
> on the speed the robot is moving:
>
> 0 = slow
> 1 = faster
> 2 = slighly faster than 1
> 3-7 = about equal to 2
>
> Am I doing something wrong? Or is this standard behavior?
I think so, most problematical is the reduction in starting torque, free
running always seems to peak at the same RPM. With an Acrobot based robot I
have problems with wrinkles in the carpet stopping it when manoevering at
low speed, but it still gathers up enough in a straight line to smash the
bump detectors. I think application of full power to get started, then
reduction to 1 or 2 or freewheel periodically is necessary.
I am waiting for a rotation sensor, then I'll have traction control...
--
John Cooper, JPSC Ltd, UK
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Message is in Reply To:
 | | effect of motor speeds
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| I noticed that settting the motor speed does not seem to have much efect on the speed the robot is moving: 0 = slow 1 = faster 2 = slighly faster than 1 3-7 = about equal to 2 Am I doing something wrong? Or is this standard behavior? Mark Overmars (26 years ago, 10-Dec-98, to lugnet.robotics)
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