General purpose and optimal length controller for cyclic duty mo

Details General purpose and optimal length controller for cyclic duty mo General purpose and optimal length controller for cyclic duty mo

1983-05-27

1985-04-23

Weldon, Ulysses

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318384, 318393, 364468, H02P 506, G06F 1546

Patent

active

045132321

ABSTRACT:
A general purpose length controller to be associated with a cyclic-duty motor drive contains stored digital data representing a standard parabolic speed profile .omega.=4(t-t.sup.2), and a scaling function automatically scales up such standard profile to match the motor drive maximum speed, the desired duty-cycle and the desired material length over which such cyclic-duty motor drive processes material being fed for mechanical treatment.

REFERENCES:
patent: 3737751 (1973-06-01), Lima
patent: 3836833 (1974-09-01), Harris et al.
O. V. Slezhanoskii/Elektrichestvo, Moscow, No. 4, 23-31, 1959.
In P. Petrov, "Variational Methods in Optimum Control Theory", pp. 51-67 and 151-163, Academic Press, New York and London, 1968.
Larry Enterline and John Davison, "Mechanics and Positioning Control of Feeder Drives", The Magazine of Industrial Motion and Control, Mar. 1982, pp. 47-50 and Apr. 1982, pp. 41-44.

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