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Electrical motor position controller

  • US 5,089,759 A
  • Filed: 12/21/1990
  • Issued: 02/18/1992
  • Est. Priority Date: 12/21/1990
  • Status: Expired due to Fees
First Claim
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1. An electrical motor position controller comprising:

  • a first bidirectional electric motor having a rotatable output shaft;

    pulse generator means, mounted on the first motor, for generating a series of pulses indicative of the degrees of rotation of the first motor output shaft;

    first motor starter means for supplying electrical power to the first motor; and

    control means, having a memory storing a control program and responsive to the pulse generator means and the control program, for energizing the first motor starter means to supply electrical power to the first motor to rotate the output shaft of the first motor in a predetermined programmed direction and for a predetermined programmed number of degrees of rotation, the control means including;

    means for storing at least one profile defining a sequence of operation of the first motor, the at least one profile being formed of a plurality of discrete, sequentially executed program steps; and

    each step formed of programmed instructions specifying a predetermined number of degrees of rotation of the first motor output shaft and an event to take place before each step is executed.

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