Article View: comp.robotics
Article #448Re: Trouble with stepper motor
From: The Polymath
Date: Tue, 18 Aug 1992 00:46
Date: Tue, 18 Aug 1992 00:46
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1556 bytes
In article <1992Aug14.214916.4173@colorado.edu> mathis@tigger.cs.Colorado.EDU (Don Mathis) writes: }I've got a 4-phase stepper motor that I'm trying to control, by }sending it the required sequence of 4-bit patterns (1001, 1010, 0110, }0101, repeat), and the motor runs for 2-6 seconds (hundreds of steps) }and then it gets confused and just starts wiggling. } }Has anyone else had this problem? } }The motor behaves as it would behave if it had gotten out of }synchronization with the step commands, but I can't imagine why this }would suddenly happen after hundreds of successful steps. } }Can anyone give me some advice? Sounds like you're trying to drive it too fast. Could something be causing your clock rate to drift? Try slowing down just a little. The Polymath (aka: Jerry Hollombe, M.A., CDP, aka: hollombe@polymath.tti.com) Head Robot Wrangler at Citicorp Turn the rascals out! 3100 Ocean Park Blvd. (310) 450-9111, x2483 No incumbents in '92! Santa Monica, CA 90405
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<1992Aug18.004644.9134@ttinews.tti.com>Path:
arc1-ca.pugleaf.net!sparky!uunet!elroy.jpl.nasa.gov!ames!pacbell.com!network.ucsd.edu!orion.oac.uci.edu!ttinews!polymath!hollombeReferences:
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Newsgroups: comp.robotics Path: arc1-ca.pugleaf.net!sparky!uunet!elroy.jpl.nasa.gov!ames!pacbell.com!network.ucsd.edu!orion.oac.uci.edu!ttinews!polymath!hollombe From: hollombe@polymath.tti.com (The Polymath) Subject: Re: Trouble with stepper motor Message-ID: <1992Aug18.004644.9134@ttinews.tti.com> Keywords: stepper motor Sender: usenet@ttinews.tti.com (Usenet Admin) Nntp-Posting-Host: polymath.tti.com Organization: The Cat Factory References: <1992Aug14.214916.4173@colorado.edu> Date: Tue, 18 Aug 1992 00:46:44 GMT Lines: 21