1. Akribis (2018). Voice coil motor user manual.
2. BALLUFF (2021). Datasheet BAW MKK-050.19-S4.
3. Gu, D.W., Petkov, P.H., and Konstantinov, M.M. (2005). Robust Control Design with MATLAB®.
4. A friction compensator for pneumatic control valves;Hägglund;J. Process Control,2002
5. Design, modeling and control of a soft robotic arm;Hofer,2018