Indoor ionic propulsion technology - high voltage power system design. - Ho Shing Poon; Mark K. K. Lam; Maxwell Chow; Wen Jung Li (ROBIO, 2008)

Noiseless and vibration-free Ionic Propulsion technology for indoor surveillance blimps. - Ho Shing Poon; Mark K. K. Lam; Maxwell Chow; Wen J. Li (ICRA, 2009)