C system for stabilizing the rate of rotation of the shaft of a d-c electric motor using a clock regulator with an oscillating balance-spiral system and a contact equalizing device was considered. Piecewise linear differential equations describing this system were investigated by the method of point transformation and all possible regimes of its operation were found. Author
Unedited rough draft trans. of Akademiya Nauk SSSR. Izvestiya. Mekhanika i Mashinostroenie, 1963, no. 5, p. 29-41. Legibility of this document is in part unsatisfactory. Reproduction has been made from best available copy.