https://www.frontiersin.org/journals/materials/articles/10.3389/fmats.2017.00009/full
Frontiers | Tracking Control of a Spool Displacement in a Direct Piezoactuator-Driven Servo Valve...
This paper presents tracking control performances of a piezostack direct drive valve (PDDV) operated at various temperatures. As afirst step, a spool valve a...
https://scholars.lib.ntu.edu.tw/entities/publication/8931ec7c-332b-456a-96c2-45547c1a62dd
Robust Tracking Control of a Piezoactuator Based on an Approximate Hysteresis Model
tracking control