Sumo won''t turn and moves slowly
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Posts: 46,084
Hmm. It gets even more blurry. Hehe. So what is the
cause to my problem?
Thanx.
--- Jon Williams <jwilliams@p...> wrote:
> The SumoBot uses servos for locomotion so it doesn't
> use the kind of PWM signal intended for DC motors.
>
> -- Jon Williams
> -- Applications Engineer, Parallax
> -- Dallas Office
>
>
>
Original Message
> From: Eliza Yasmin [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=Qi3sxPT2PbBivK40jC_rN17UsXQhAFXDKOlC2RQOVpzV3ABgv_e_18LK1j683gqrd1vnSit8xQdF_0jq7BQ]eliza_yasmin@y...[/url
> Sent: Sunday, April 11, 2004 12:02 PM
> To: basicstamps@yahoogroups.com
> Subject: RE: [noparse][[/noparse]basicstamps] re: Sumo won't turn and
> moves slowly
>
>
> Hello Gregg,
>
> Looks like this topic is very new to me. My question
> is related to the SumoBot. I'm new with the robot as
> well. Can someone assist me on my problem? Besides
> that, I'll also look up for PWM.
>
> Thanx.
>
> --- Gregg C Levine <hansolofalcon@w...>
> wrote:
> > Hello from Gregg C Levine
> > PWM - Pulse Width Modulation. It's used for DC
> motor
> > drive systems.
> > That includes servomechanisms. Some power supplies
> > use it as well.
> > Before we get into a semi-on-topic discussion
> here,
> > as this only
> > partly applies to the Stamps, I suggest you check
> > this subject out via
> > your public library.
> >
> > Gregg C Levine hansolofalcon@w...
> >
>
> > "The Force will be with you...Always." Obi-Wan
> > Kenobi
> > "Use the Force, Luke."· Obi-Wan Kenobi
> >
> > >
Original Message
> > > From: Eliza Yasmin
> [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=Qi3sxPT2PbBivK40jC_rN17UsXQhAFXDKOlC2RQOVpzV3ABgv_e_18LK1j683gqrd1vnSit8xQdF_0jq7BQ]eliza_yasmin@y...[/url
> > > Sent: Sunday, April 11, 2004 12:15 PM
> > > To: basicstamps@yahoogroups.com
> > > Subject: Re: [noparse][[/noparse]basicstamps] re: Sumo won't turn
> and
> > moves slowly
> > >
> > > Dear George,
> > >
> > > I can't understand what u are saying. What is
> PWM?
> > Can
> > > u pls explain in details.
> > >
> > > Thanx.
> > >
> > >
> > > --- George Warner <geowar@a...> wrote:
> > > > > I have porgrammed a SumoBot to move forward
> > then
> > > > turn right. The
> > > > > problem is, the robot won't turn right as if
> > the
> > > > robot is heavy. But
> > > > > when I lift the robot, one wheel stop then
> the
> > > > other moves (I assumed
> > > > > the robot is doing what it is told). What
> > might
> > > > cause this to happen?
> > > > >
> > > > > I also have another problem. When the robot
> > moves
> > > > forward, it would
> > > > > stop sometimes. When I push a bit, the robot
> > would
> > > > moves again but
> > > > > slowly. Is there something wrong with the
> > coding?
> > > > >
> > > > > Appreciate ur help. Thanx in advance.
> > > >
> > > > I've actually seen this happen when you're
> > sending
> > > > the PWM to the servo's
> > > > too often (or not often enough).
> > > >
> > > > --
> > > > Enjoy,
> > > > George Warner,
> > > > Schizophrenic Optimization Scientists
> > > > Apple Developer Technical Support (DTS)
> >
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed.
> > Text in the Subject and Body of the message will
> be
> > ignored.
> >
> > Yahoo! Groups Links
> >
> >
> > basicstamps-unsubscribe@yahoogroups.com
> >
> >
> >
>
>
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> Text in the Subject and Body of the message will be
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>
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>
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>
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cause to my problem?
Thanx.
--- Jon Williams <jwilliams@p...> wrote:
> The SumoBot uses servos for locomotion so it doesn't
> use the kind of PWM signal intended for DC motors.
>
> -- Jon Williams
> -- Applications Engineer, Parallax
> -- Dallas Office
>
>
>
Original Message
> From: Eliza Yasmin [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=Qi3sxPT2PbBivK40jC_rN17UsXQhAFXDKOlC2RQOVpzV3ABgv_e_18LK1j683gqrd1vnSit8xQdF_0jq7BQ]eliza_yasmin@y...[/url
> Sent: Sunday, April 11, 2004 12:02 PM
> To: basicstamps@yahoogroups.com
> Subject: RE: [noparse][[/noparse]basicstamps] re: Sumo won't turn and
> moves slowly
>
>
> Hello Gregg,
>
> Looks like this topic is very new to me. My question
> is related to the SumoBot. I'm new with the robot as
> well. Can someone assist me on my problem? Besides
> that, I'll also look up for PWM.
>
> Thanx.
>
> --- Gregg C Levine <hansolofalcon@w...>
> wrote:
> > Hello from Gregg C Levine
> > PWM - Pulse Width Modulation. It's used for DC
> motor
> > drive systems.
> > That includes servomechanisms. Some power supplies
> > use it as well.
> > Before we get into a semi-on-topic discussion
> here,
> > as this only
> > partly applies to the Stamps, I suggest you check
> > this subject out via
> > your public library.
> >
> > Gregg C Levine hansolofalcon@w...
> >
>
> > "The Force will be with you...Always." Obi-Wan
> > Kenobi
> > "Use the Force, Luke."· Obi-Wan Kenobi
> >
> > >
Original Message
> > > From: Eliza Yasmin
> [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=Qi3sxPT2PbBivK40jC_rN17UsXQhAFXDKOlC2RQOVpzV3ABgv_e_18LK1j683gqrd1vnSit8xQdF_0jq7BQ]eliza_yasmin@y...[/url
> > > Sent: Sunday, April 11, 2004 12:15 PM
> > > To: basicstamps@yahoogroups.com
> > > Subject: Re: [noparse][[/noparse]basicstamps] re: Sumo won't turn
> and
> > moves slowly
> > >
> > > Dear George,
> > >
> > > I can't understand what u are saying. What is
> PWM?
> > Can
> > > u pls explain in details.
> > >
> > > Thanx.
> > >
> > >
> > > --- George Warner <geowar@a...> wrote:
> > > > > I have porgrammed a SumoBot to move forward
> > then
> > > > turn right. The
> > > > > problem is, the robot won't turn right as if
> > the
> > > > robot is heavy. But
> > > > > when I lift the robot, one wheel stop then
> the
> > > > other moves (I assumed
> > > > > the robot is doing what it is told). What
> > might
> > > > cause this to happen?
> > > > >
> > > > > I also have another problem. When the robot
> > moves
> > > > forward, it would
> > > > > stop sometimes. When I push a bit, the robot
> > would
> > > > moves again but
> > > > > slowly. Is there something wrong with the
> > coding?
> > > > >
> > > > > Appreciate ur help. Thanx in advance.
> > > >
> > > > I've actually seen this happen when you're
> > sending
> > > > the PWM to the servo's
> > > > too often (or not often enough).
> > > >
> > > > --
> > > > Enjoy,
> > > > George Warner,
> > > > Schizophrenic Optimization Scientists
> > > > Apple Developer Technical Support (DTS)
> >
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@yahoogroups.com
> > from the same email address that you subscribed.
> > Text in the Subject and Body of the message will
> be
> > ignored.
> >
> > Yahoo! Groups Links
> >
> >
> > basicstamps-unsubscribe@yahoogroups.com
> >
> >
> >
>
>
> __________________________________
> Do you Yahoo!?
> Yahoo! Tax Center - File online by April 15th
> http://taxes.yahoo.com/filing.html
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed.
> Text in the Subject and Body of the message will be
> ignored.
>
> Yahoo! Groups Links
>
>
>
>
>
>
>
> This message has been scanned by WebShield. Please
> report SPAM to abuse@p....
>
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed.
> Text in the Subject and Body of the message will be
> ignored.
>
> Yahoo! Groups Links
>
>
> basicstamps-unsubscribe@yahoogroups.com
>
>
>
__________________________________
Do you Yahoo!?
Yahoo! Tax Center - File online by April 15th
http://taxes.yahoo.com/filing.html