JP2020202641A5 - Motor control device, sheet transfer device and image forming device - Google Patents
Motor control device, sheet transfer device and image forming device Download PDFInfo
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- JP2020202641A5 JP2020202641A5 JP2019107328A JP2019107328A JP2020202641A5 JP 2020202641 A5 JP2020202641 A5 JP 2020202641A5 JP 2019107328 A JP2019107328 A JP 2019107328A JP 2019107328 A JP2019107328 A JP 2019107328A JP 2020202641 A5 JP2020202641 A5 JP 2020202641A5
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本発明は、上記課題に鑑みてなされたものであり、インバータ回路からモータの巻線に印可される電圧が所定値を超えてしまうことを抑制することを目的とする。 The present invention has been made in view of the above problems, and an object of the present invention is to prevent the voltage applied to the windings of the motor from the inverter circuit from exceeding a predetermined value.
本発明のモータ制御装置は、モータの巻線に流れる駆動電流を検出する検出手段と、前記検出手段によって検出された駆動電流に基づいて、前記モータのロータの回転位相を決定する位相決定手段と、前記位相決定手段によって決定された回転位相と前記ロータの目標位相を表す指令位相との偏差が小さくなるように、前記位相決定手段によって決定された回転位相を基準とする回転座標系で表される電流成分であって前記ロータにトルクを発生させるトルク電流成分の目標値を生成する第１の生成手段であって、前記トルク電流成分の目標値が第１の所定値より大きい場合は前記第１の所定値を出力し、前記トルク電流成分の目標値が前記第１の所定値より小さい場合は前記トルク電流成分の目標値を出力する第１の生成手段と、前記第１の生成手段から出力されるトルク電流成分の目標値と前記検出手段によって検出された駆動電流の前記トルク電流成分との偏差が小さくなるように、前記巻線に印可すべき駆動電圧の前記トルク電流成分に対応する値を生成する第２の生成手段であって、前記回転座標系で表される電流成分であって前記巻線を貫く磁束の強度に影響する励磁電流成分の目標値と前記検出手段によって検出された駆動電流の前記励磁電流成分との偏差が小さくなるように、前記巻線に印可すべき駆動電圧の前記励磁電流成分に対応する値を生成する第２の生成手段と、前記第２の生成手段によって生成された前記駆動電圧の前記トルク電流成分に対応する値及び前記駆動電圧の前記励磁電流成分に対応する値に基づいて、前記巻線に前記駆動電圧を印可するインバータ回路と、を有し、前記所定値は、前記駆動電圧の前記トルク電流成分に対応する値及び前記駆動電圧の前記励磁電流成分に対応する値によって表されるベクトルの大きさが第２の所定値より小さくなるように設定された値であることを特徴とする。 The motor control device of the present invention includes a detecting means for detecting a drive current flowing through the winding of the motor, and a phase determining means for determining the rotation phase of the rotor of the motor based on the drive current detected by the detecting means . , Represented by a rotation coordinate system based on the rotation phase determined by the phase determining means so that the deviation between the rotation phase determined by the phase determining means and the command phase representing the target phase of the rotor becomes small. If the current component is a first generation means for generating a target value of the torque current component that generates torque in the rotor, and the target value of the torque current component is larger than the first predetermined value, the first From the first generation means for outputting the predetermined value of 1 and outputting the target value of the torque current component when the target value of the torque current component is smaller than the first predetermined value, and the first generation means. Corresponds to the torque current component of the drive voltage to be applied to the winding so that the deviation between the target value of the output torque current component and the torque current component of the drive current detected by the detection means becomes small. It is a second generation means for generating a value, and is detected by the detection means and the target value of the exciting current component which is the current component represented by the rotation coordinate system and affects the strength of the magnetic flux penetrating the winding. A second generation means for generating a value corresponding to the exciting current component of the driving voltage to be applied to the winding so that the deviation of the driving current from the exciting current component becomes small, and the second generation. An inverter circuit that applies the drive voltage to the winding based on the value corresponding to the torque current component of the drive voltage generated by the means and the value corresponding to the exciting current component of the drive voltage. The predetermined value is such that the magnitude of the vector represented by the value corresponding to the torque current component of the drive voltage and the value corresponding to the exciting current component of the drive voltage becomes smaller than the second predetermined value. It is characterized in that it is a value set in.
本発明によれば、インバータ回路からモータの巻線に印可される電圧が所定値を超えてしまうことを抑制することができる。
According to the present invention, it is possible to prevent the voltage applied to the windings of the motor from the inverter circuit from exceeding a predetermined value.
Claims (5)
前記検出手段によって検出された駆動電流に基づいて、前記モータのロータの回転位相を決定する位相決定手段と、
前記位相決定手段によって決定された回転位相と前記ロータの目標位相を表す指令位相との偏差が小さくなるように、前記位相決定手段によって決定された回転位相を基準とする回転座標系で表される電流成分であって前記ロータにトルクを発生させるトルク電流成分の目標値を生成する第１の生成手段であって、前記トルク電流成分の目標値が第１の所定値より大きい場合は前記第１の所定値を出力し、前記トルク電流成分の目標値が前記第１の所定値より小さい場合は前記トルク電流成分の目標値を出力する第１の生成手段と、
前記第１の生成手段から出力されるトルク電流成分の目標値と前記検出手段によって検出された駆動電流の前記トルク電流成分との偏差が小さくなるように、前記巻線に印可すべき駆動電圧の前記トルク電流成分に対応する値を生成する第２の生成手段であって、前記回転座標系で表される電流成分であって前記巻線を貫く磁束の強度に影響する励磁電流成分の目標値と前記検出手段によって検出された駆動電流の前記励磁電流成分との偏差が小さくなるように、前記巻線に印可すべき駆動電圧の前記励磁電流成分に対応する値を生成する第２の生成手段と、
前記第２の生成手段によって生成された前記駆動電圧の前記トルク電流成分に対応する値及び前記駆動電圧の前記励磁電流成分に対応する値に基づいて、前記巻線に前記駆動電圧を印可するインバータ回路と、
を有し、
前記所定値は、前記駆動電圧の前記トルク電流成分に対応する値及び前記駆動電圧の前記励磁電流成分に対応する値によって表されるベクトルの大きさが第２の所定値より小さくなるように設定された値であることを特徴とする、
モータ制御装置。 A detection means that detects the drive current flowing through the windings of the motor,
A phase determining means for determining the rotational phase of the rotor of the motor based on the drive current detected by the detecting means, and a phase determining means.
It is represented by a rotational coordinate system based on the rotational phase determined by the phase determining means so that the deviation between the rotational phase determined by the phase determining means and the command phase representing the target phase of the rotor becomes small. The first generation means for generating a target value of a torque current component that is a current component and generates torque in the rotor, and when the target value of the torque current component is larger than the first predetermined value, the first When the target value of the torque current component is smaller than the first predetermined value, the first generation means for outputting the predetermined value of the torque current component and the target value of the torque current component.
The drive voltage to be applied to the winding so that the deviation between the target value of the torque current component output from the first generation means and the torque current component of the drive current detected by the detection means becomes small. A second generation means for generating a value corresponding to the torque current component, which is a target value of an exciting current component which is a current component represented by the rotational coordinate system and which affects the strength of the magnetic flux penetrating the winding. A second generation means for generating a value corresponding to the exciting current component of the drive voltage to be applied to the winding so that the deviation of the drive current detected by the detection means from the exciting current component becomes small. When,
An inverter that applies the drive voltage to the windings based on the value corresponding to the torque current component of the drive voltage and the value corresponding to the excitation current component of the drive voltage generated by the second generation means. Circuit and
Have,
The predetermined value is set so that the magnitude of the vector represented by the value corresponding to the torque current component of the drive voltage and the value corresponding to the excitation current component of the drive voltage is smaller than the second predetermined value. Characterized by the value given,
Motor control device.
請求項１に記載のモータ制御装置。 When the size of the vector exceeds the second predetermined value, the first generation means has the first predetermined value so that the size of the vector is equal to or less than the second predetermined value. Characterized by reducing,
The motor control device according to claim 1.
請求項１または２に記載のモータ制御装置。 In the first generation means, the value corresponding to the torque current component of the driving voltage is Vq, the value corresponding to the exciting current component of the driving voltage is Vd, and the value of √ (Vd 2 + Vq 2 ) is the above. When the second predetermined value is exceeded, it is determined that the magnitude of the vector exceeds the second predetermined value.
The motor control device according to claim 1 or 2.
シートを搬送する搬送ローラと、A transport roller that transports the sheet and
前記搬送ローラを駆動するモータと、The motor that drives the transfer roller and
を有し、Have,
前記モータ制御装置は、前記モータを制御することを特徴とする、The motor control device is characterized in that it controls the motor.
シート搬送装置。Sheet transfer device.
シートを搬送する搬送ローラと、A transport roller that transports the sheet and
前記搬送ローラを駆動するモータと、The motor that drives the transfer roller and
前記搬送ローラによって搬送される前記シートに画像を形成する画像形成部と、An image forming unit that forms an image on the sheet conveyed by the conveying roller, and
を有することを特徴とする、Characterized by having
画像形成装置。Image forming device.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2019107328A JP7337554B2 (en) | 2019-06-07 | 2019-06-07 | Motor control device, sheet conveying device and image forming device |
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|---|---|---|---|
| JP2019107328A JP7337554B2 (en) | 2019-06-07 | 2019-06-07 | Motor control device, sheet conveying device and image forming device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020202641A JP2020202641A (en) | 2020-12-17 |
| JP2020202641A5 true JP2020202641A5 (en) | 2022-06-10 |
| JP7337554B2 JP7337554B2 (en) | 2023-09-04 |
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| JPH03251095A (en) * | 1990-02-26 | 1991-11-08 | Meidensha Corp | Output voltage limiting system in vector control |
| JP4754417B2 (en) * | 2006-06-26 | 2011-08-24 | 本田技研工業株式会社 | Control device for permanent magnet type rotating electrical machine |
| JP6260502B2 (en) * | 2014-09-16 | 2018-01-17 | 株式会社デンソー | Motor control device |
| JP6685256B2 (en) | 2016-04-13 | 2020-04-22 | キヤノン株式会社 | Motor control device, sheet conveying device, document feeding device, document reading device, and image forming device |
| JP2018057170A (en) * | 2016-09-29 | 2018-04-05 | 東洋電機製造株式会社 | Controller for alternating electric motor |
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