Pioneer P3-AT Doesn't Move - ROSARIA

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I have a concern regarding getting the Pioneer P3-AT to move. I have rosaria successfully installed, and I'm running on GROOVY. I run roscore in one terminal. Then I start rosaria in a second terminal and I receive the following:

viki@ROS:~/catkin_ws$ rosrun rosaria RosAria _port:=/dev/ttyS0
'[ INFO] [1404333851.509725930]: RosAria: using port: [/dev/ttyS0]
Could not connect to simulator, connecting to robot through serial port /dev/ttyS0.
Syncing 0
Syncing 1
Syncing 2
Connected to robot.
Name: PSU_3773
Type: Pioneer
Subtype: p3at-sh
Using default parameters for a p3at-sh robot
ArRobotConnector: Connecting to MTX batteries (if neccesary)...
ArRobotConnector: Connecting to MTX sonar (if neccesary)...
'[ INFO] [1404333852.481173839]: Setting TicksMM from ROS Parameter: 138
'[ INFO] [1404333852.493839324]: Setting DriftFactor from ROS Parameter: 0
'[ INFO] [1404333852.506890756]: Setting RevCount from ROS Parameter: 32550
'[ INFO] [1404333852.687692264]: RosAria: publishing new recharge state 0.
'[ INFO] [1404333852.690871777]: RosAria: publishing new motors state 0.
'[ INFO] [1404333854.139017779]: RosAria: publishing new motors state 1.

This is my issue,I am attempting to move the robot. I have tried the following command

rostopic pub -r 10 /cmd_vel geometry_msgs/Twist '{linear: {x: 0.1, y: 0.0}, angular: {x: 0.0, y: 0.0, z: 0.0}}'

no errors are displayed, but the robot doesn't move.

I then saw a similar post with a different model pioneer so I followed one of the suggestions and removed the readParameters() function from RosAria.cpp and received the following when I ran RosAria again:

viki@ROS:~/catkin_ws$ rosrun rosaria RosAria _port:=/dev/ttyS0
'[ INFO] [1404405147.590012597]: RosAria: using port: [/dev/ttyS0]
Could not connect to simulator, connecting to robot through serial port /dev/ttyS0.
Syncing 0
Syncing 1
Syncing 2
Connected to robot.
Name: PSU_3773
Type: Pioneer
Subtype: p3at-sh
Using default parameters for a p3at-sh robot
ArRobotConnector: Connecting to MTX batteries (if neccesary)...
ArRobotConnector: Connecting to MTX sonar (if neccesary)...
'[ INFO] [1404405148.654086464]: Setting TicksMM from Dynamic Reconfigure: 0 -> 138
'[ INFO] [1404405148.656896634]: Setting RevCount from Dynamic Reconfigure: 0 -> 32550
'[ INFO] [1404405148.723689412]: RosAria: publishing new recharge state 0.
'[ INFO] [1404405148.732294984]: RosAria: publishing new motors state 0.
'[ INFO] [1404405150.196582428]: RosAria: publishing new motors state 1.

I then tried to run the above rostopic command again a but again did not work.

I have also written a program that is intended to move the robot as well. That program compiles fine and runs, but again the robot doesn't move, with and without the readParameters() function. Do I have any calibration settings are not properly set? Any guidance would be greatly appreciated.