专利名称：CONTROL LOOP
发明人：KORNELIS ANTONIE IMMINK,ABRAHAM
HOOGENDOORN
申请号：AU5600380申请日：19800229公开号：AU5600380A公开日：19800911
摘要：A control loop provided with a control unit for realizing a transfer characteristichaving a number of peaks at a fundamental frequency and harmonics thereof. Thecontrol unit comprises a memory device for digitally storing a number of samples of theerror signal appearing in the control loop during a cycle period equal to the periodcorresponding to the fundamental frequency. Furthermore, there are provided meansfor comparing the sample stored in the memory device with the value of the error signalone cycle period later and, depending on this comparison, correcting the memorycontent of the relevant memory location. The variation of the error signal stored in thememory device is furthermore cyclically employed as a control signal for the controldevice included in the control loop.
申请人：PHILIPS' GLOEILAMPENFABRIEKEN, N.V.
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