DIGITAL SERVO SYSTEM WITH MOVING AVERAGE FILTER

THE INVENTION RELATES TO A METHOD AND AN ARRANGEMENT FOR A DIGITAL SERVO SYSTEM WITH MOVING AVERAGE FILTER (AMOVAVF 1, AMOVAVF 2), WHICH IS USED AS AN INPUT FILTER FOR A DIGITAL SIGNAL PROCESSOR OF THE SERVO SYSTEM TO SHORTEN PROCESSING DELAY, WHICH IMPROVES THE STABILITY OF THE CONTROL LOOP AND/OR...

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Bibliographische Detailangaben
1. Verfasser:	KIMMELMANN STEFAN
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING RESONATORS
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Beschreibung
Zusammenfassung:	THE INVENTION RELATES TO A METHOD AND AN ARRANGEMENT FOR A DIGITAL SERVO SYSTEM WITH MOVING AVERAGE FILTER (AMOVAVF 1, AMOVAVF 2), WHICH IS USED AS AN INPUT FILTER FOR A DIGITAL SIGNAL PROCESSOR OF THE SERVO SYSTEM TO SHORTEN PROCESSING DELAY, WHICH IMPROVES THE STABILITY OF THE CONTROL LOOP AND/OR ALLOW A FAST SERVO SIGNAL PROCESSING, WHICH IMPROVE THE OVERALL SERVO CONTROL PERFORMANCE. SAID INPUT FILTER PROVIDES AVERAGE VALUES OF SAMPLES PROVIDED FROM AN ANALOG DIGITAL CONVERTER (ADC) AT A FREQUENY CORRESPONDING TO A SAMPLE FREQUENCY (FADC) OF THE ANALOG DIGITAL CONVERTER. (ADC) AND HAS AN ADJUSTABLE FILTER LENGTH (N), WHICH IS DETERMINED ACCORDING TO A QUALITY OF DETECTOR SIGNALS INDICATING "A DEVIATION FROM A TARGET OF SERVO MEANS OF THE SERVO SYSTEM. THE INVENTION IS E.G. APPLICABLE FOR A FAST DIGITAL SERVO SYSTEM IN AN OPTICAL DISC DRIVE.