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I tried to follow the tutorial and the dynamic reconfigure method. What both of them did was they changed the values of both ros parameters...

Seeing this had no result, I tried to echo rostopic "/turtlebot_node/parameter_descriptions", the values were not changed. But it was modified under "/turtlebot_node/parameter_updates", but there was no effect of the calibration. The method seems to be ineffective.

So I tried to find out, which file is setting the value when the node starts. The file was : /opt/ros/diamondback/stacks/turtlebot/turtlebot_node/src/turtlebot_node/cfg/TurtleBotConfig.py I modified the correction values there. This method helps in changing the correction values.

But my gyro calibration is still wrong. It got better from last time. But still, I cant get a good result.

Anybody has any clue on this ?