Hi Hemant,
Do you need to control those two turtlebots with different ROS_MASTER_URI with one single Simulink model? If yes, could you elaborate more about why they have to be controlled within the same Simulink model?
As you may already found by yourself, there is no way to set two different ROS_MASTER_URI in one MATLAB session, even if you open two separate Simulink.
Based on what I saw from your problem statement, here are two options you may try:
- Instead of using two ROS_MASTER_URI, put the two turtlebots in the same ROS_MASTER_URI and distinguish them by putting into different namespace - this way, you just need to give different topic name with namespace infront.
- You can also open two MATLAB sessions and set different ROS_MASTER_URI as shown below:
Hope that helps,
Josh
