RE: [Playerstage-users] Motor Power device implementation in Stage (?)

[Marcelo B. S. <bor...@dc...>]

Hi Brian and Nathan (and other user),

Thanks to answer my question.
I understand the difference between the 'position power' and
'power interface', and resolved the problem, thanks very much.

I noted the problem of the battery voltage returns always 12, but
I perceived too that is possible modify this value.

In my working-cenario is extremely important monitor the battery
consumption of the robots. So, my other question is: Do I have to
implement the power consumption? For example, after a given
elapsed time, I discount some value of the the battery voltage...
Is the only manner to simulate the energy comsumption?

regards,

Marcelo Borghetti


On Tue, 17 Feb 2004, Brian Gerkey wrote:

> hi Marcelo,
>
> Nathan's more or less right: Stage doesn't implement the motor power
> request of the 'position' interface, because it doesn't simulate the
> fact that the Pioneer's motor power can be turned on and off.  So the
> motor power is always "on."  The warning from Stage is harmless.
>
> This is separate from the 'power' interface, which reports battery voltage.
> This part of the robot is simulated by Stage, though not very well: it
> always returns 12 volts.
>
>         brian.
>
> On Tue, 17 Feb 2004, Nathan Farrington wrote:
>
> > Hi Marcelo,
> >
> > I think that the power device proxy only works on a real robot, not the
> > Stage simulator. This makes sense because the simulator is not trying to
> > simulate the robot's batteries. So only try to use the power device on a
> > real robot. You can do this by defining a power device in Player's
> > configuration file.
> >
> > Regards,
> >
> > Nathan Farrington
> >
> >
> > -----Original Message-----
> > From: pla...@li...
> > [mailto:pla...@li...] On Behalf Of
> > Marcelo Borghetti Soares
> > Sent: Monday, February 16, 2004 6:09 AM
> > To: pla...@li...
> > Subject: [Playerstage-users] Motor Power device implementation in Stage
> > (?)
> >
> > Hello,
> >
> >    I'm trying implement de power motor device in a pionner robot.
> > For acomplish that I used the PLAYERC_POWER_T data type and his
> > manipulation functions. In stage, I defined a device called POWER()
> > inside de POSITION device. But, infortunately, when a execute de
> > program a warning like "POSITION POWER MOTOR DEVICE NOT IMPLEMENTED"
> > Did I forget anything? In the stage manual I'm don't find any
> > information
> > about the power device. Are there another documentation source?
> >
> > Sorry for my poor english and
> >       for my possibly very simple question,
> >
> > waiting for help...
> >
> > Marcelo Borghetti Soares
> >
> > --------------------------------------
> > Computation Engineer - FURG - Brazil
> > MSc Student in Computer Science - UFMG - Brazil
> >
> >
> >
> >
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