Semi-conductor automatic train control. Interim report on equipment used for field trials on the Eastern Region (E-201)

The fact that the present B.R. standard A.T.C. system contains moving parts, i.e. relays, implies :- (a) A limited response at high speeds (due to inertia of the moving parts). (b) Deterioration of the moving parts, particularly on account of vibration, and consequently high maintenance costs. Following...