[ros-users] Pioneer 3dx in ROS

[Dan Lazewatsky]

I just tried out a few things from your pioneer_control package and I 
get the same behavior I was seeing before.

-Dan

On 4/21/10 7:13 PM, Dan Lazewatsky wrote:
> Hi Tucker,
> I think that should be enough to get me going.
>
> Thanks!
> -Dan
>
> On 4/21/10 6:57 PM, Tucker Hermans wrote:
>> Hi Dan,
>>
>> I send the MotorState command of 4 and have no problems.
>>
>> I have a teleop keyboard port which I use for communicating with the 
>> p3dx that you can find here: 
>> github.com/trhermans/AffLearning/tree/master/pioneer_control/ 
>> <http://github.com/trhermans/AffLearning/tree/master/pioneer_control/>
>>
>> Note: the launch file is setup for a p3dx with a PTZ connected to an 
>> onboard computer and uses the probe camera driver to get the video 
>> stream.
>>
>> I have only been testing the changes to the p2os package on a p3dx 
>> with an onboard computer, I don't think this should have any issues, 
>> but it could. Let me know if the keyboard operation gives the same 
>> problems you have now and I'll try and help debug it.
>>
>> -Tucker
>>
>> On Wed, Apr 21, 2010 at 7:49 PM, Dan Lazewatsky 
>> <lazewatskyd at cse.wustl.edu <mailto:lazewatskyd at cse.wustl.edu>> wrote:
>>
>>     Hi all -
>>     I know this has been discussed here a bit, but not in much detail.
>>     We have a Pioneer3dx that we'd like to get up and running again. I
>>     downloaded and compiled the p2os package which seems to be able to
>>     successfully connect and communicate with the robot using a serial to
>>     USB adapter. However, I'm having trouble getting the motors to do
>>     anything sensible. The robot's motor self-test looks like it
>>     works fine,
>>     but sending cmd_vel, all I can get is extremely slow, jerky movement
>>     forward or backwards (no turning). I enabled the motors with:
>>
>>     rostopic pub cmd_motor_state -1 p2os/MotorState 1 (I also tried 4
>>     instead of 1 which was mentioned in a previous discussion)
>>
>>     This feels like a communication problem between the motor
>>     commands p2os
>>     is sending and the robot, but I don't know what's going on. Any
>>     ideas?
>>
>>     Thanks,
>>     -Dan
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