The development of the purely electric governor is summarized. Guiding design principles are enumerated, especially as regards the use of static apparatus and the absence of rubbing contacts. The action of the Erelstat electric governor, which is mainly electronic, is described in detail and practical results are given.
Olivier Lévêque, Cécile Hardebolle, Marc Lafuente Martinez
Christian Heinis, Xinjian Ji, Alexander Lund Nielsen
Giovanni De Cesare, Romain Maxime Dubuis, Robin Schroff