LINEAR MOTOR, LINEAR MOTOR CONTROL APPARATUS, AND LINEAR MOTOR CONTROL METHOD

A linear motor control apparatus for controlling at least one of torque, speed and position of a linear motor includes circuitry that receives at least one of a magnetic pole position value, torque command signal, and speed command signal, and imparts a high-frequency voltage to at least one of a d-...

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Bibliographische Detailangaben
Hauptverfasser: MAKINO, Shogo, SHIKAYAMA, Toru, KAKIHARA, Masanobu
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A linear motor control apparatus for controlling at least one of torque, speed and position of a linear motor includes circuitry that receives at least one of a magnetic pole position value, torque command signal, and speed command signal, and imparts a high-frequency voltage to at least one of a d-axis and a q-axis and impart a load current to the q-axis based on the at least one of the magnetic pole position value, torque command signal, and speed command signal. The d-axis is an axis extending in a central direction of a stator tooth of a stator, and the q-axis is an axis extending in a direction offset 90 degrees from the central direction in an electrical angle.