Grateful thanks to all for their assistance here, the picture is becoming more clear in my mind now. To address a couple of specifics, CCD means Counter Current Decantation - a device that's also called a thickener. There is no filtering or damping of the torque signal mainly because the...
Thanks for the response, Waross. Firstly, yes, I have tried swapping each strain gauge to the opposite controller and the problem does move, which is why I strongly suspect calibration as the main culprit. To do a cal we have to strip the front end of the drive train to gain access to the worm...
We have 2 geared motors that are driving into a common load; the actual application is a CCD rake drive but it's easier to describe if you imagine it as a cement kiln with 2 geared motors driving the girth gear instead of one. Both motors are the same type and make (Weg), same power (5.5kW)...
