ROTATIONAL SPEED MEASUREMENT SYSTEM AND METHOD THEREOF

The present invention relates to a power-saving system and a method for measuring rotational speed of a rotating device (100) during a periodic measurement window. The system comprises: a magnetic sensor (200); a magnetic target (300); and a measurement processing device (400) comprising: a pulse ed...

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Bibliographische Detailangaben
Hauptverfasser:	MOHAMAD YUSRI BIN MOHAMAD YUSOF, SHAHROL HISHAM BIN BAHAROM, ROSLEE MOHD SABRI
Format:	Patent
Sprache:	eng
Schlagworte:	HAULING HOISTING HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT LIFTING MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a power-saving system and a method for measuring rotational speed of a rotating device (100) during a periodic measurement window. The system comprises: a magnetic sensor (200); a magnetic target (300); and a measurement processing device (400) comprising: a pulse edge detector (410) for distributing pulse signals; a multi-pulse processor (420) that is activated when receiving a complete pulse signal having a pulse period in one periodic measurement window; a single-pulse processor (430) that is activated when receiving the pulse signal of two consecutive pulse edges in one periodic measurement window; and a measurement scheduler (450) for adjusting the arrival of the next periodic measurement window. For the two consecutive pulse edges, the pulse period is obtained by using a pulse duty cycle of the complete pulse signal. Drawing accompanying abstract: Figure 1.