Hello,
I am trying to build an inductive angle position measurement system using a target somehow different from what you have in application notes. The idea is to have a cylinder with a changing contour around it just like the one you used to measure lateral position (see the picture). The angle range is 270°. The idea works just fine with one coil if there is no movement in z or y axes. Unfortunately the final target is not very stable and and there is some movement along all the axes. A possible solution is to put more coils and try to compensate the movement of the target. I should say to this point that the target is not big enough to fit a different shape-contour, otherwise the steady contour can be used that can be measured by other coils to compensate the movement in each axis. So all the redundant coils are going to use the same target. So I am thinking of using 3 or more coils around the target as you can see in picture and trying to use the same method you are using in Full rotation sensing with z-axis insensitivity. The main concern is on z axis following by x and then y. Could it be possible to share more information if any about this application? Of course I am also asking for any valuable contribution to my project and any ideas of how to compensate the movement of the target. Thank you.
