This is now my choice. I use RLS encoder chip RMF44UD12BA12 that reads rotations of a polarized magnet on a rear shaft end. UVWD01_02
That particular chip is setup to output either commutation UVW signal that simulate magnetic hall sensors or true rotation encoder ABZ signal with a 0deg counter.
It is mounted on alu stand that is mounted over the rear shaft with the magnet holder as i described in one of previous posts.
I ordered a 1m shielded cable with it so i can mount it easily to the rear side. I will try to use additional grommet from the back instead of original resolver port underneath motor. That way i will retain option of using old resolver interface if needed.
leafdriveblog 