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hamidoudi's profile - activity

2014-01-12 14:26:34 -0500 commented question move_base behaviours strange on pioneer

may i see your .yaml configuration files please?

2014-01-12 14:20:56 -0500 commented question What causes intermittent gmapping tf cache errors? *update*

Those errors are usually due, if you have not set a right transform_tolerance in your parameter configuration files. and your transform publisher should publish at the rate of 30hz on average for the best result. run rosrun tf tf_monitor to see how often your tf are published specially odom -> base_link

2014-01-12 14:16:16 -0500 commented question move_base not using base_local_planner_params.yaml

may I have a copy of your launch files?

2014-01-12 14:13:21 -0500 commented question How to derive a motor in ROS

so do you have motor controller driver working in either C++ or Python?

2014-01-12 14:08:48 -0500 commented question Compute velocities from wheel-encoders for odometry model

Hello usually computing an odemetry is dependent on the type steering on the robot there are different type of methods for computing velocities from encoder counts first thing I would advice you to do is to read this article and you will then have better starting point. I hope it was helpful. thanks

2014-01-12 14:04:01 -0500 commented question Using Robot Pose EKF for slam_gmapping

can you post the parameters configuration file your are using for your slam_gmapping please?