Sumo won''t turn and moves slowly
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Posts: 46,084
There's the problem ... you don't have a Parallax SumoBot, you have the one made
by TAB. The code and documentation for the Parallax SumoBot is NOT compatible
with the robot you have. Perhaps another list member can point you to code and
documentation for your robot.
-- Jon Williams
-- Applications Engineer, Parallax
-- Dallas Office
Original Message
From: Eliza Yasmin [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=H1tUecmHWwvlQIILxxtHoftIvH5WYd666Vt3sFLy9q0QIREgs4MVRAda0Eqcj9_ywftSiy-fiRREw1lDqA]eliza_yasmin@y...[/url
Sent: Sunday, April 11, 2004 11:56 PM
To: basicstamps@yahoogroups.com
Subject: RE: [noparse][[/noparse]basicstamps] re: Sumo won't turn and moves slowly
Hello Gregg and Jon,
Thanx for the info. As I am new in BASIC Stamp, I've
been searching for documents on how to program a
SumoBot and I've downloaded the SumoBot Manual in
Parallax's page and read through the document. I
started out with Experiment #2: SumoBot Locomotion.
Refering to page 12, I loaded the example program
given which will test the SumoBot's motors. I was
hoping to see a correct output but the robot went the
way i mentioned earlier.
I noticed that the SumoBot in the Parallax's page is
different from mine. Mine has 4 wheels and an on-off
power switch instead of a three-position power switch.
Can I still refer the manual? I would appreciate some
guidance. [noparse]:)[/noparse]
Thanx!
--- Gregg C Levine <hansolofalcon@w...>
wrote:
> Hello from Gregg C. Levine
> Very astute of you, Jon.
> But as you might have noticed, I mentioned that
> there are three
> different kinds of PWM output, one is indeed for servomechanisms, such
> as the ones worn by the robot, and the next one is
> for the DC motor
> drive systems, which is indeed not used here, and
> the third is the
> rarely used power supply systems.
>
> Without seeing the code being used, I suspected at
> first that the
> fault lay within the construction of the PWM
> statements. I now believe
> my earlier belief to be an accurate one, in view of
> your earlier
> statements. However, to confirm this analysis what
> we need to see is
> the complete code. I suggest that it should be
> posted.
>
> 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: Jon Williams [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=iLqEfPGaLCLJr7UrzYKQDtQtxAp6v4DWzHOvtgRlpd_68UyrRRPFKG8jfKpQOGY5a1kCHKZtK77GqVuOk3oP]jwilliams@p...[/url
> > Sent: Sunday, April 11, 2004 1:47 PM
> > To: basicstamps@yahoogroups.com
> > Subject: RE: [noparse][[/noparse]basicstamps] re: Sumo won't turn and
> moves slowly
> >
> > 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=H1tUecmHWwvlQIILxxtHoftIvH5WYd666Vt3sFLy9q0QIREgs4MVRAda0Eqcj9_ywftSiy-fiRREw1lDqA]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=H1tUecmHWwvlQIILxxtHoftIvH5WYd666Vt3sFLy9q0QIREgs4MVRAda0Eqcj9_ywftSiy-fiRREw1lDqA]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:
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> Text in the Subject and Body of the message will be
> ignored.
>
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>
>
> basicstamps-unsubscribe@yahoogroups.com
>
>
>
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by TAB. The code and documentation for the Parallax SumoBot is NOT compatible
with the robot you have. Perhaps another list member can point you to code and
documentation for your robot.
-- Jon Williams
-- Applications Engineer, Parallax
-- Dallas Office
Original Message
From: Eliza Yasmin [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=H1tUecmHWwvlQIILxxtHoftIvH5WYd666Vt3sFLy9q0QIREgs4MVRAda0Eqcj9_ywftSiy-fiRREw1lDqA]eliza_yasmin@y...[/url
Sent: Sunday, April 11, 2004 11:56 PM
To: basicstamps@yahoogroups.com
Subject: RE: [noparse][[/noparse]basicstamps] re: Sumo won't turn and moves slowly
Hello Gregg and Jon,
Thanx for the info. As I am new in BASIC Stamp, I've
been searching for documents on how to program a
SumoBot and I've downloaded the SumoBot Manual in
Parallax's page and read through the document. I
started out with Experiment #2: SumoBot Locomotion.
Refering to page 12, I loaded the example program
given which will test the SumoBot's motors. I was
hoping to see a correct output but the robot went the
way i mentioned earlier.
I noticed that the SumoBot in the Parallax's page is
different from mine. Mine has 4 wheels and an on-off
power switch instead of a three-position power switch.
Can I still refer the manual? I would appreciate some
guidance. [noparse]:)[/noparse]
Thanx!
--- Gregg C Levine <hansolofalcon@w...>
wrote:
> Hello from Gregg C. Levine
> Very astute of you, Jon.
> But as you might have noticed, I mentioned that
> there are three
> different kinds of PWM output, one is indeed for servomechanisms, such
> as the ones worn by the robot, and the next one is
> for the DC motor
> drive systems, which is indeed not used here, and
> the third is the
> rarely used power supply systems.
>
> Without seeing the code being used, I suspected at
> first that the
> fault lay within the construction of the PWM
> statements. I now believe
> my earlier belief to be an accurate one, in view of
> your earlier
> statements. However, to confirm this analysis what
> we need to see is
> the complete code. I suggest that it should be
> posted.
>
> 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: Jon Williams [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=iLqEfPGaLCLJr7UrzYKQDtQtxAp6v4DWzHOvtgRlpd_68UyrRRPFKG8jfKpQOGY5a1kCHKZtK77GqVuOk3oP]jwilliams@p...[/url
> > Sent: Sunday, April 11, 2004 1:47 PM
> > To: basicstamps@yahoogroups.com
> > Subject: RE: [noparse][[/noparse]basicstamps] re: Sumo won't turn and
> moves slowly
> >
> > 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=H1tUecmHWwvlQIILxxtHoftIvH5WYd666Vt3sFLy9q0QIREgs4MVRAda0Eqcj9_ywftSiy-fiRREw1lDqA]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=H1tUecmHWwvlQIILxxtHoftIvH5WYd666Vt3sFLy9q0QIREgs4MVRAda0Eqcj9_ywftSiy-fiRREw1lDqA]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:
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This message has been scanned by WebShield. Please report SPAM to
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