JP2018064397A5 - Motor control device, sheet conveying device, document reading device, and image forming apparatus - Google Patents
Motor control device, sheet conveying device, document reading device, and image forming apparatus Download PDFInfo
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- JP2018064397A5 JP2018064397A5 JP2016202132A JP2016202132A JP2018064397A5 JP 2018064397 A5 JP2018064397 A5 JP 2018064397A5 JP 2016202132 A JP2016202132 A JP 2016202132A JP 2016202132 A JP2016202132 A JP 2016202132A JP 2018064397 A5 JP2018064397 A5 JP 2018064397A5
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- 238000004804 winding Methods 0.000 claims description 16
- 230000003313 weakening Effects 0.000 claims description 13
- 230000005284 excitation Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 230000004907 flux Effects 0.000 claims description 6
- 230000032258 transport Effects 0.000 claims 3
Description
本発明は、モータの駆動を制御するモータ制御装置及び該モータ制御装置を用いたシート搬送装置、原稿読取装置、画像形成装置に関する。 The present invention relates to a motor control device that controls driving of a motor, a sheet conveying device using the motor control device, a document reading device, and an image forming apparatus.
上記課題に鑑み、本発明は、モータの制御を効率的に行うことを目的とする。 In view of the above-mentioned subject, the present invention aims to perform control of a motor efficiently .
上記課題を解決するために、本発明にかかるモータ制御装置は、
電源から供給される電力によって稼働し、モータを制御するモータ制御装置において、
前記モータの回転子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を基準とした回転座標系において表される電流成分であって前記回転子にトルクを発生させる電流成分であるトルク電流成分の値が目標値になるように、前記モータの巻線に流れる駆動電流を制御する制御手段であって、前記回転座標系において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電流成分である励磁電流成分の値を制御することによって、前記巻線を貫く磁束の強度を弱める弱め界磁を行う制御手段と、
を有し、
前記制御手段は、
前記回転子の目標位相を表す指令位相と前記位相決定手段によって決定された回転位相との偏差が小さくなるように、前記トルク電流成分の目標値を設定する第１設定手段と、
前記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の前記トルク電流成分の値と前記第１設定手段によって設定された前記トルク電流成分の目標値との偏差が小さくなるように、駆動電圧を生成する生成手段と、
前記生成手段によって生成された駆動電圧に基づいて、前記巻線に駆動電流を供給する駆動回路と、
前記生成手段によって生成された駆動電圧の値が所定値よりも大きい場合は前記弱め界磁の程度が第１の程度になるように前記励磁電流成分の値を設定し、前記生成手段によって生成された駆動電圧の値が前記所定値よりも小さい場合は前記弱め界磁の程度が前記第１の程度よりも小さい第２の程度になるように前記励磁電流成分の値を設定する第２設定手段と、
を備えることを特徴とする。
In order to solve the above-mentioned subject , the motor control device concerning the present invention is:
In a motor control device which is operated by power supplied from a power source and controls a motor,
Phase determining means for determining the rotational phase of the rotor of the motor;
The value of a torque current component which is a current component represented in a rotational coordinate system based on the rotational phase determined by the phase determination means and which causes the rotor to generate a torque becomes a target value And control means for controlling a drive current flowing through a winding of the motor, the excitation current component being a current component represented in the rotational coordinate system and affecting a strength of a magnetic flux passing through the winding. Control means for performing field weakening that weakens the strength of the magnetic flux passing through the winding by controlling the value of
Have
The control means
First setting means for setting a target value of the torque current component such that a deviation between a command phase representing a target phase of the rotor and a rotational phase determined by the phase determination means is reduced;
Detection means for detecting a drive current flowing through a winding of the motor;
Generation means for generating a drive voltage such that the deviation between the value of the torque current component of the drive current detected by the detection means and the target value of the torque current component set by the first setting means is reduced ,
A drive circuit for supplying a drive current to the winding based on the drive voltage generated by the generation means;
When the value of the drive voltage generated by the generation means is larger than a predetermined value, the value of the excitation current component is set so that the degree of field weakening becomes a first degree, and the generation is performed by the generation means Second setting means for setting the value of the excitation current component such that the degree of field weakening is a second degree smaller than the first degree when the value of the drive voltage is smaller than the predetermined value When,
And the like.
本発明によれば、モータを効率的に制御することができる。 According to the present invention, the motor can be efficiently controlled .
Claims (12)
前記モータの回転子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を基準とした回転座標系において表される電流成分であって前記回転子にトルクを発生させる電流成分であるトルク電流成分の値が目標値になるように、前記モータの巻線に流れる駆動電流を制御する制御手段であって、前記回転座標系において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電流成分である励磁電流成分の値を制御することによって、前記巻線を貫く磁束の強度を弱める弱め界磁を行う制御手段と、
を有し、
前記制御手段は、
前記回転子の目標位相を表す指令位相と前記位相決定手段によって決定された回転位相との偏差が小さくなるように、前記トルク電流成分の目標値を設定する第１設定手段と、
前記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の前記トルク電流成分の値と前記第１設定手段によって設定された前記トルク電流成分の目標値との偏差が小さくなるように、駆動電圧を生成する生成手段と、
前記生成手段によって生成された駆動電圧に基づいて、前記巻線に駆動電流を供給する駆動回路と、
前記生成手段によって生成された駆動電圧の値が所定値よりも大きい場合は前記弱め界磁の程度が第１の程度になるように前記励磁電流成分の値を設定し、前記生成手段によって生成された駆動電圧の値が前記所定値よりも小さい場合は前記弱め界磁の程度が前記第１の程度よりも小さい第２の程度になるように前記励磁電流成分の値を設定する第２設定手段と、
を備えることを特徴とするモータ制御装置。 In a motor control device which is operated by power supplied from a power source and controls a motor,
Phase determining means for determining the rotational phase of the rotor of the motor;
The value of a torque current component which is a current component represented in a rotational coordinate system based on the rotational phase determined by the phase determination means and which causes the rotor to generate a torque becomes a target value And control means for controlling a drive current flowing through a winding of the motor, the excitation current component being a current component represented in the rotational coordinate system and affecting a strength of a magnetic flux passing through the winding. Control means for performing field weakening that weakens the strength of the magnetic flux passing through the winding by controlling the value of
Have
The control means
First setting means for setting a target value of the torque current component such that a deviation between a command phase representing a target phase of the rotor and a rotational phase determined by the phase determination means is reduced;
Detection means for detecting a drive current flowing through a winding of the motor;
Generation means for generating a drive voltage such that the deviation between the value of the torque current component of the drive current detected by the detection means and the target value of the torque current component set by the first setting means is reduced ,
A drive circuit for supplying a drive current to the winding based on the drive voltage generated by the generation means;
When the value of the drive voltage generated by the generation means is larger than a predetermined value, the value of the excitation current component is set so that the degree of field weakening becomes a first degree, and the generation is performed by the generation means Second setting means for setting the value of the excitation current component such that the degree of field weakening is a second degree smaller than the first degree when the value of the drive voltage is smaller than the predetermined value When,
A motor control device comprising:
前記第２設定手段は、前記生成手段によって生成された駆動電圧の値が前記所定値よりも大きく且つ前記速度決定手段によって決定された回転速度が所定速度より大きい場合は前記弱め界磁の程度が前記第１の程度になるように前記励磁電流成分の値を設定することを特徴とする請求項１に記載のモータ制御装置。 The motor control device comprises speed determining means for determining the rotational speed of the rotor,
The second setting means determines the degree of field weakening when the value of the drive voltage generated by the generation means is larger than the predetermined value and the rotational speed determined by the speed determination means is larger than a predetermined speed. The motor control device according to claim 1, wherein the value of the excitation current component is set to be the first degree.
前記モータの回転子の回転位相を決定する位相決定手段と、
前記モータの回転子の回転速度を決定する速度決定手段と、
前記位相決定手段によって決定された回転位相を基準とした回転座標系において表される電流成分であって前記回転子にトルクを発生させる電流成分であるトルク電流成分の値が目標値になるように、前記モータの巻線に流れる駆動電流を制御する制御手段であって、前記回転座標系において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電流成分である励磁電流成分の値を制御することによって、前記巻線を貫く磁束の強度を弱める弱め界磁を行う制御手段と、
を有し、
前記制御手段は、
前記回転子の目標速度を表す指令速度と前記速度決定手段によって決定された回転速度との偏差が小さくなるように、前記トルク電流成分の目標値を設定する第１設定手段と、
前記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の前記トルク電流成分の値と前記第１設定手段によって設定された前記トルク電流成分の目標値との偏差が小さくなるように、駆動電圧を生成する生成手段と、
前記生成手段によって生成された駆動電圧に基づいて、前記巻線に駆動電流を供給する駆動回路と、
前記生成手段によって生成された駆動電圧の値が所定値よりも大きい場合は前記弱め界磁の程度が第１の程度になるように前記励磁電流成分の値を設定し、前記生成手段によって生成された駆動電圧の値が前記所定値よりも小さい場合は前記弱め界磁の程度が前記第１の程度よりも小さい第２の程度になるように前記励磁電流成分の値を設定する第２設定手段と、
を備えることを特徴とするモータ制御装置。 In a motor control device which is operated by power supplied from a power source and controls a motor,
Phase determining means for determining the rotational phase of the rotor of the motor;
Speed determining means for determining the rotational speed of the rotor of the motor;
The value of a torque current component which is a current component represented in a rotational coordinate system based on the rotational phase determined by the phase determination means and which causes the rotor to generate a torque becomes a target value And control means for controlling a drive current flowing through a winding of the motor, the excitation current component being a current component represented in the rotational coordinate system and affecting a strength of a magnetic flux passing through the winding. Control means for performing field weakening that weakens the strength of the magnetic flux passing through the winding by controlling the value of
Have
The control means
First setting means for setting a target value of the torque current component such that a deviation between a command speed representing a target speed of the rotor and a rotational speed determined by the speed determination means is reduced;
Detection means for detecting a drive current flowing through a winding of the motor;
Generation means for generating a drive voltage such that the deviation between the value of the torque current component of the drive current detected by the detection means and the target value of the torque current component set by the first setting means is reduced ,
A drive circuit for supplying a drive current to the winding based on the drive voltage generated by the generation means;
When the value of the drive voltage generated by the generation means is larger than a predetermined value, the value of the excitation current component is set so that the degree of field weakening becomes a first degree, and the generation is performed by the generation means Second setting means for setting the value of the excitation current component such that the degree of field weakening is a second degree smaller than the first degree when the value of the drive voltage is smaller than the predetermined value When,
A motor control device comprising:
前記所定値は、前記電源から前記駆動回路に出力される電圧の値から前記誘起電圧の値を減算した値以下の値であることを特徴とする請求項１乃至５のいずれか一項に記載のモータ制御装置。 The motor control device includes induced voltage determination means for determining a value of an induced voltage induced in the winding by rotation of the rotor based on the drive current detected by the detection means,
The said predetermined value is a value below the value which subtracted the value of the said induced voltage from the value of the voltage output to the said drive circuit from the said power supply, It is a value in any one of the Claims 1 thru | or 5 characterized by the above-mentioned. Motor controller.
前記搬送ローラを駆動するモータと、
請求項１乃至８のいずれか一項に記載のモータ制御装置であって、前記搬送ローラを駆動するモータを制御するモータ制御装置と、
を有することを特徴とするシート搬送装置。 A conveyance roller for conveying the sheet;
A motor for driving the transport roller;
The motor control device according to any one of claims 1 to 8, wherein the motor control device controls a motor that drives the conveyance roller.
A sheet conveying apparatus comprising:
前記積載部に積載された原稿を搬送する搬送部と、
負荷を駆動するモータと、
請求項１乃至８のいずれか一項に記載のモータ制御装置であって、前記負荷を駆動するモータを制御するモータ制御装置と、
を有することを特徴とする原稿読取装置。 A loading unit on which a document is loaded;
A transport unit that transports the document loaded on the loading unit;
A motor that drives a load,
The motor control device according to any one of claims 1 to 8, wherein the motor control device controls a motor that drives the load.
An original reading apparatus comprising:
負荷を駆動するモータと、
請求項１乃至８のいずれか一項に記載のモータ制御装置であって、前記負荷を駆動するモータを制御するモータ制御装置と、
を有することを特徴とする画像形成装置。 An image forming unit that forms an image on a recording medium;
A motor that drives a load,
The motor control device according to any one of claims 1 to 8, wherein the motor control device controls a motor that drives the load.
An image forming apparatus comprising:
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| JP2018064397A5 true JP2018064397A5 (en) | 2019-07-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08182398A (en) * | 1994-12-27 | 1996-07-12 | Fuji Electric Co Ltd | Driving device for permanent magnet-type synchronous motor |
| JP2001095297A (en) * | 1999-09-20 | 2001-04-06 | Massuru Kk | Stepping motor control method |
| JP4205473B2 (en) * | 2003-04-14 | 2009-01-07 | 株式会社アイエイアイ | Stepping motor control method and stepping motor control device |
| WO2005093943A1 (en) * | 2004-03-26 | 2005-10-06 | Mitsubishi Denki Kabushiki Kaisha | Controller of permanent magnet synchronous motor |
| JP2006067242A (en) * | 2004-08-26 | 2006-03-09 | Kyocera Mita Corp | Image reader |
| JP2007153273A (en) * | 2005-12-08 | 2007-06-21 | Jtekt Corp | Electric power steering device |
| JP5995789B2 (en) * | 2013-06-14 | 2016-09-21 | 京セラドキュメントソリューションズ株式会社 | Sheet conveying apparatus, image reading apparatus, and image forming apparatus |
| JP2016046859A (en) * | 2014-08-20 | 2016-04-04 | 株式会社リコー | Motor drive control apparatus and motor drive control method |
| FR3027474B1 (en) * | 2014-10-16 | 2018-03-30 | Thales | AUTOMATIC AND ADAPTIVE FLOW DEVICE AND METHOD USING SUCH A DEVICE |
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