Electricity: motive power systems – Positional servo systems – Vehicular guidance systems with single axis control
Patent
1979-08-21
1981-04-28
Dobeck, B.
Electricity: motive power systems
Positional servo systems
Vehicular guidance systems with single axis control
318663, 180 628, G05D 100, B60K 1710
Patent
active
042648513
ABSTRACT:
A direction and speed control system for a steerable locomotive having independent speed controls for two driving rollers, in which, where C.sub.D and C.sub.G are speed control signals for the two rollers, .alpha. is a steering angle of a steerable support, which may be a mere skid or a driving roller and C.sub.max is a maximum speed control value, there are three operational networks which generate signals F.sub.1, F.sub.2 and F.sub.3 given by C(1-K.sub.1 tan .alpha.), C(1+K.sub.1 tan .alpha.) and C.sub.max (1-K.sub.1 .vertline. tan .alpha..vertline.)/(1+K.sub.1 .vertline. tan .alpha..vertline.), comparators which receive C.sub.max and F.sub.1 and C.sub.max and F.sub.2 respectively and output terminals fed in parallel, through gating circuits controlled by the comparators, by the first and third networks and by the second and third networks respectively.
REFERENCES:
patent: 3720281 (1973-03-01), Frownfelter
patent: 4031442 (1977-06-01), Poppelreiter
patent: 4077490 (1978-03-01), Casterton et al.
patent: 4191913 (1980-03-01), Arnold et al.
Degraeve Francois
Paramythioti Michel
Albaret S.A.
Brown Charles E.
Dobeck B.
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