Upfront let me say I know very little of LVDTs and have never used them, but they are a very elegant way of sensing linear displacement.
When you say they are inherently frictionless....although simple, they have moving parts so there must be some friction? And in wet/icy conditions they could get frozen?
Were I to encounter the problems of crosstalk I would try something like using different excitation frequencies for each LVDT, and have a narrowband filter in each signal conditioner. Are solutions like this used? But Alliance's solution is also clever. And I suspect thay know more than me about these things :-)
A Book For All Reasons Bernard Cole1 Comment Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...