PWM control of a magnetic suspension system. - William Gerard Hurley; Martin Hynes; Werner Hugo Wölfle (IEEE Trans. Educ., 2004)

A new approach to intermittent charging of valve-regulated lead-acid batteries in standby applications. - Malhar Bhatt; William Gerard Hurley; Werner Hugo Wölfle (IEEE Trans. Ind. Electron., 2005)

Self-Equalization of Cell Voltages to Prolong the Life of VRLA Batteries in Standby Applications. - William Gerard Hurley; Yuk Sum Wong; Werner Hugo Wölfle (IEEE Trans. Ind. Electron., 2009)