You are doing a great service to the engineering community with these excellent videos. These are definitely interesting ideas beyond the standard control system approaches. Thank you. :)
How can you ensure passivity in a real system if it holds some non-negligible transport delay? From my understanding, there is no way the Nyquist plot won't dip into the left half-plane.
Hi Alon, I responded to this a couple days ago with a link to an example with delay but it looks like RU-vid blocked it. So, if you Google "Passive Control with Communication Delays" you'll find a MATLAB example that shows you how to deal with some transport delays. I hope that helps!
Seems like it according to Wikipedia. I guess "passivity" means a strictly stable system (all poles in LHP). For a controller, that would mean no integral action. A controller with no integral action would be useless for regulating systems, unable to compensate por peristent disturbances. So I guess no I in a PID.
Great video! The sad part is that in the real world stability isn't enough. We have to make sure the controller/controlled system will respect the limits of the components.
