[ros-users] Important Navigation Message

hitesh dhiman hitesh.dhiman.1988 at gmail.com
Fri May 28 17:19:20 UTC 2010


Hi Eitan,
Any idea what effect might this have on the robot's trajectory? Is it
possible that the robot will overshoot it's designated path if the path
planning is not updating quickly?

On Sat, May 29, 2010 at 12:39 AM, Rob Wheeler <wheeler at willowgarage.com>wrote:

>  Eitan meant to say:
>
>  acc_lim_th: my_th
>  acc_lim_x: my_x
>  acc_lim_y: my_y
>
> Sorry for the confusion.
>
> -R
>
>
> On Fri, May 28, 2010 at 8:38 AM, Eitan Marder-Eppstein <
> eitan at willowgarage.com> wrote:
>
>> Hey all,
>>
>> So, I screwed up pretty nicely in the
>> http://www.ros.org/wiki/navigation/Tutorials/RobotSetup tutorial and gave
>> example parameters that do not actually match those read by the code. I
>> imagine that this means many of you are using the default acceleration
>> limits for your robots rather than the ones you meant to set. If your
>> configuration for the base_local_planner includes the following spellings of
>> the acceleration limit parameters:
>>
>>  acc_limit_th: my_x
>>  acc_limit_x: my_y
>>  acc_limit_y: my_th
>>
>> They will be ignored by the code and you'll need to switch to:
>>
>>  acc_lim_th: my_x
>>  acc_lim_x: my_y
>>  acc_lim_y: my_th
>>
>> As specified here: http://www.ros.org/wiki/base_local_planner#Parameters
>>
>> Again, I apologize for this and I've fixed the documentation. I'm also
>> going to take some time today to go through all the launch files I can find
>> in our repositories fixing this error. I'm pretty sure that I copied the
>> wrong text along with the rest of the world in at least a few places.
>>
>> Truly sorry again... I just want to make sure that as many people as
>> possible hear about this mistake as possible.
>>
>> Hope all is well and that this fixes at least one or two puzzling
>> problems,
>>
>> Eitan
>>
>> _______________________________________________
>> ros-users mailing list
>> ros-users at code.ros.org
>> https://code.ros.org/mailman/listinfo/ros-users
>>
>>
>
> _______________________________________________
> ros-users mailing list
> ros-users at code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>
>


-- 
Regards,
Hitesh Dhiman
Electrical Engineering
National University of Singapore
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ros.org/pipermail/ros-users/attachments/20100529/1f12a790/attachment-0003.html>


More information about the ros-users mailing list