MOTOR CONTROL DEVICE AND MOTOR DRIVER CIRCUIT

• Main Author: HARA TAKEHIRO
• Format: Patent
• Language: English; Japanese
• Published: 02.04.2024
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

To provide a motor control device which can accurately perform predetermined processing.SOLUTION: According to one embodiment, there is provided a motor control device comprising a sensor, a detection circuit and a controller. The sensor is placed at a position corresponding to the one between a winding in a first phase and a winding in a second phase in a motor. The motor comprises the winding in the first phase, the winding in the second phase and a winding in a third phase. The detection circuit detects timing in which a magnitude relation between induction voltage amplitude in the first phase and induction voltage amplitude in the second phase is exchanged. The controller performs predetermined processing for the motor on the basis of a signal of the sensor and a detection result of the detection circuit.SELECTED DRAWING: Figure 1 【課題】一つの実施形態は、所定の処理を精度良く行うことができるモータ制御装置を提供することを目的とする。【解決手段】一つの実施形態によれば、センサと検知回路とコントローラとを有するモータ制御装置が提供される。センサは、モータにおける第１の相の巻線と第２の相の巻線との間に対応する位置に配される。モータは、第１の相の巻線、第２の相の巻線、第３の相の巻線を含む。検知回路は、第１の相の誘起電圧振幅と第２の相の誘起電圧振幅との大小関係が入れ替わるタイミングを検知する。コントローラは、センサの信号と検知回路の検知結果とに基づいて、モータについて所定の処理を行う。【選択図】図１