Parametric oscillation speed sensor [induction motor control]

Parametric oscillation speed sensor [induction motor control]

If one of the R, L, or C parameter of an RLC parallel circuit is changed periodically, under certain conditions, an oscillation called parametric oscillation occurs. If one of the remaining circuit elements is made to change due to an external cause (e.g. an external electric or magnetic field), the...

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Bibliographische Detailangaben
Hauptverfasser: Ejiogu, E.C., Kutsukake, H., Ono, K., Tanno, Y.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Capacitors
Frequency
Induction motors
Magnetic sensors
Nonlinear optics
Optical feedback
RLC circuits
Robust control
Sensor phenomena and characterization
Voltage
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Beschreibung
Zusammenfassung:If one of the R, L, or C parameter of an RLC parallel circuit is changed periodically, under certain conditions, an oscillation called parametric oscillation occurs. If one of the remaining circuit elements is made to change due to an external cause (e.g. an external electric or magnetic field), then the parametric oscillation will experience some modulation. This modulation process and the subsequent demodulation can be exploited to create several types of sensors. In this paper, the authors describe the features of a new parametric magnetic speed sensor and its application to induction motor control.< >
DOI:10.1109/IECON.1994.397908