1. Wang C, Yang P, Zhang L (2006) Summary of status on the harmonic gear driving technology. J Mech Transm 30:536–567
2. Davey K (2009) A harmonic gear like motor. In: 2009 IEEE International Electric Machines and Drives Conference (IEMDC 2009) Miami, FL, USA, May 03–06. vol 1–3, pp 1789–1794
3. Trimmer W, Jebens R (1989) Harmonic electrostatic motors. Sensors Actuators 20:17–24
4. Sun Y, Gu Z, Liu G, Li Q (2017) Design of measurement and control system for the efficiency test of spacecraft harmonic drive mechanism. In: 8th International Conference on Mechanical and Aerospace Engineering (ICMAE) Prague, Czech Republic, July 22–25, pp 704–708
5. Liu R, Zhang Y, Wang Y (2015) An efficient conformal mapping method for air gap magnetic field analytical calculation in an eccentric magnetic harmonic gear. In: 2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD) Shanghai, China, November 20–23, pp 74–75