Sending command to move kuka lbr IIWA

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However it does not work.

It would probably help if you could describe what "does not work", and what you do observe.

For example I tried with: rostopic echo /iiwa/command/jointAngles 0,0,0,0,0,0,0.2. It shows rostopic: error: you may only specify one input topic

That doesn't work because you're not using the correct syntax, not because khansari/iiwa is faulty. rostopic echo .. would print incoming messages, it doesn't send something to the node. Please see the rostopicdocumentation. Look at rostopic pub.

I used as follow: rostopic pub -1 /iiwa/command/cartPosition iiwa/IIWAMsg -- '[600.5455465250951, 1.8979595305782153, 538.6429244423919]' ERROR: Not enough arguments: * Given: [[600.5455465250951, 1.8979595305782153, 538.6429244423919]] * Expected: ['isJointControl', 'cartPosition', 'cartForces',..

Is this is in correct syntax? Thank you

No, it's not. Try rostopic pub -1 /iiwa/command/cartPosition <tab> <tab> (where <tab> is the key on your keyboard). That should give you a message template to fill in.

Alternatively you could of course just write a simple (Python) node that publishes those messages.

I tried but didn't see any message template.

Are you sure that you have sourced the workspace where khansari/iiwa is built in? If not, rostopic will not be able to auto-complete the message structure. Verify you have things setup correctly by doing a rostopic info /iiwa/command/cartPosition. It should show the correct msg type.