Transistorized relay servo optimization using a series motor.
Liu, Chao Chuan
Thaler, George J.
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The transistorized controller has been design and used in this experimental servo system instead of an ordinary vacuum tube amplifier and contactor relay. The series motor was used in the investigation. It is the purpose of this paper to show by experimental means that the nonlinearity of the series motor in fact provides the necessary characteristic to permit transistorized relay servo optimization by the use of switching criteria base simply on lead network and error rate feedback control. The effects on system response of different filters, different error rate feedback and various motor supply voltages were investigated. Dead beat response to any size step displacement input was found possible in properly adjusted the filter elements or control amount of negative error rate and error feedback for compensation as switching criteria.
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