I am running a linear DC motor through PXI-7350 and would like to simulate the operation using Simulation toolkit. My basic concerns are:
1) Plant Simulation. I am modeling the linear motor as a simple frictionless mass by my''=F
I think this should be no problem.
2) Controller Simulation. I am not sure if the axis tuning parameters apply to the velocity loop or position loop. If I command a trajectory profile (position-based or velocity-based), how is this interpreted by the board (converts always to position profile or to velocity profile)? How is it controlled, only position controlled by encoder? Or is there instead a derived velocity which is controlled? I think these tuning parameters are for the velocity loop and I control position from within my LabVIEW code.
3) DAC Output. What is the full-scale for this output? For example, does +10V out correspond with the maximum velocity as set in MAX? I think this is a 16-bit DAC for my 7350.
Has anyone done NI-Motion simulation and can point me to simple block diagrams or basic simulation code?
Thanks,
Laine
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Laine