Process and apparatus for controlling the electric motor drive o

Details Process and apparatus for controlling the electric motor drive o Process and apparatus for controlling the electric motor drive o

1985-06-17

1988-01-26

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318326, 318618, 318571, 425145, G05B 1300

Patent

active

047218932

ABSTRACT:
To control the intermittent movement of a conveyor belt or carousel, fitted with molds, in a unit for the manufacture of moldings from multi-component plastics, an intended/actual value comparison of the speed of the conveyor belt or carousel as a function of the distance of the molds from fixed devices for filling, demolding and similar operations of the molds is carried out so as to provide control signals for the electric motor. The actual value is determined from a signal voltage generated in correspondence with the rotary movement of the electric motor. The signal voltage is additionally, and in parallel to the speed regulation, converted to electric pulses which are summed in their time sequence, as a function of the movement steps of the conveyor belt or carousel, and are compared with a predetermined master function which can be varied.

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