JP2019017181A5 - - Google Patents
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- JP2019017181A5 JP2019017181A5 JP2017132910A JP2017132910A JP2019017181A5 JP 2019017181 A5 JP2019017181 A5 JP 2019017181A5 JP 2017132910 A JP2017132910 A JP 2017132910A JP 2017132910 A JP2017132910 A JP 2017132910A JP 2019017181 A5 JP2019017181 A5 JP 2019017181A5
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- Prior art keywords
- motor
- transport roller
- roller
- sheet
- value
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- 230000000875 corresponding Effects 0.000 claims description 17
- 230000002093 peripheral Effects 0.000 claims description 15
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 2
Description
上記課題を解決するために、本発明に係るシート搬送装置は、
シートを搬送する第１搬送ローラと、
前記シートが搬送される搬送方向において、前記第１搬送ローラに隣接して設けられた第２搬送ローラと、
前記第１搬送ローラを駆動する第１モータと、
前記第１モータの回転子の回転位相を決定する位相決定手段と、
前記第１モータの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、前記第１モータの巻線に流れる駆動電流を制御する制御手段と、
前記第１モータの回転子にかかる負荷トルクに対応するパラメータの絶対値が閾値より大きい場合に、前記第１搬送ローラと前記第２搬送ローラとのうち前記搬送方向における下流側の搬送ローラのニップ部にシートの先端が到達したことを示す信号を出力する出力手段と、
を有し、
前記制御手段は、前記第１搬送ローラと前記第２搬送ローラとが異なる周速度で回転するように前記第１モータを制御し、
前記制御手段は、前記負荷トルクに対応するパラメータの絶対値が閾値より大きくなってから所定時間が経過するまでの期間中、前記負荷トルクに対応するパラメータの絶対値が前記閾値より大きい第１所定値を超えなかった場合、前記第１搬送ローラの周速度と前記第２搬送ローラの周速度との差がより大きくなるように前記第１モータを制御することを特徴とする。
In order to solve the above problems, the sheet conveying device according to the present invention,
A first transport roller for transporting the sheet,
A second transport roller provided adjacent to the first transport roller in the transport direction in which the sheet is transported;
A first motor for driving the first transport roller;
A phase determining means for determining a rotational phase of the first motor rotor,
As the deviation between the times dislocation phases, which are determined by command phase and said phase determining means for representing a target phase of the rotor of the first motor is reduced, control for controlling the drive current flowing through the winding of the first motor Means and
When the absolute value of the parameter corresponding to the load torque applied to the rotor of the first motor is larger than the threshold value, the nip of the first transport roller and the second transport roller, which is the downstream transport roller in the transport direction. Output means for outputting a signal indicating that the front end of the sheet has reached the section,
Have
The control means controls the first motor so that the first transport roller and the second transport roller rotate at different peripheral speeds,
The control unit is configured such that, during a period from when the absolute value of the parameter corresponding to the load torque becomes larger than a threshold value until a predetermined time elapses, the absolute value of the parameter corresponding to the load torque is larger than the threshold value . If you did Do exceeds the value, and controls the first motor so that the difference Gayori increases the peripheral speed of the peripheral speed between the second conveying roller of the first conveying roller.
Claims (12)
前記シートが搬送される搬送方向において、前記第１搬送ローラに隣接して設けられた第２搬送ローラと、
前記第１搬送ローラを駆動する第１モータと、
前記第１モータの回転子の回転位相を決定する位相決定手段と、
前記第１モータの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、前記第１モータの巻線に流れる駆動電流を制御する制御手段と、
前記第１モータの回転子にかかる負荷トルクに対応するパラメータの絶対値が閾値より大きい場合に、前記第１搬送ローラと前記第２搬送ローラとのうち前記搬送方向における下流側の搬送ローラのニップ部にシートの先端が到達したことを示す信号を出力する出力手段と、
を有し、
前記制御手段は、前記第１搬送ローラと前記第２搬送ローラとが異なる周速度で回転するように前記第１モータを制御し、
前記制御手段は、前記負荷トルクに対応するパラメータの絶対値が閾値より大きくなってから所定時間が経過するまでの期間中、前記負荷トルクに対応するパラメータの絶対値が前記閾値より大きい第１所定値を超えなかった場合、前記第１搬送ローラの周速度と前記第２搬送ローラの周速度との差がより大きくなるように前記第１モータを制御することを特徴とするシート搬送装置。 A first transport roller for transporting the sheet,
A second transport roller provided adjacent to the first transport roller in the transport direction in which the sheet is transported;
A first motor for driving the first transport roller;
A phase determining means for determining a rotational phase of the first motor rotor,
As the deviation between the times dislocation phases, which are determined by command phase and said phase determining means for representing a target phase of the rotor of the first motor is reduced, control for controlling the drive current flowing through the winding of the first motor Means and
When the absolute value of the parameter corresponding to the load torque applied to the rotor of the first motor is larger than the threshold value, the nip of the first transport roller and the second transport roller, which is the downstream transport roller in the transport direction. Output means for outputting a signal indicating that the front end of the sheet has reached the section,
Have
The control means controls the first motor so that the first transport roller and the second transport roller rotate at different peripheral speeds,
The control unit is configured such that, during a period from when the absolute value of the parameter corresponding to the load torque becomes larger than a threshold value until a predetermined time elapses, the absolute value of the parameter corresponding to the load torque is larger than the threshold value . If you did Do exceeds the value, the sheet conveying apparatus characterized by controlling the first motor so that the difference Gayori increases the peripheral speed of the peripheral speed between the second conveying roller of the first conveying roller.
前記シートが搬送される搬送方向において、前記第１搬送ローラに隣接して設けられた第２搬送ローラと、
前記第１搬送ローラを駆動する第１モータと、
前記第１モータの回転子の回転速度を決定する速度決定手段と、
前記第１モータの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、前記第１モータの巻線に流れる駆動電流を制御する制御手段と、
前記第１モータの回転子にかかる負荷トルクに対応するパラメータの絶対値が閾値より大きい場合に、前記第１搬送ローラと前記第２搬送ローラとのうち前記搬送方向における下流側の搬送ローラのニップ部にシートの先端が到達したことを示す信号を出力する出力手段と、
を有し、
前記制御手段は、前記第１搬送ローラと前記第２搬送ローラとが異なる周速度で回転するように前記第１モータを制御し、
前記制御手段は、前記負荷トルクに対応するパラメータの絶対値が閾値より大きくなってから所定時間が経過するまでの期間中、前記負荷トルクに対応するパラメータの絶対値が前記閾値より大きい第１所定値を超えなかった場合、前記第１搬送ローラの周速度と前記第２搬送ローラの周速度との差がより大きくなるように前記第１モータを制御することを特徴とするシート搬送装置。 A first transport roller for transporting the sheet,
A second transport roller provided adjacent to the first transport roller in the transport direction in which the sheet is transported;
A first motor for driving the first transport roller;
A velocity determining means for determining the rotational speed of the first motor rotor,
As the deviation between the determined rotational speed by a command speed and the speed determining means representing the desired velocity of the rotor of the first motor is reduced, control for controlling the drive current flowing through the winding of the first motor Means and
When the absolute value of the parameter corresponding to the load torque applied to the rotor of the first motor is larger than the threshold value, the nip of the first transport roller and the second transport roller, which is the downstream transport roller in the transport direction. Output means for outputting a signal indicating that the front end of the sheet has reached the section,
Have
The control means controls the first motor so that the first transport roller and the second transport roller rotate at different peripheral speeds,
The control unit is configured such that, during a period from when the absolute value of the parameter corresponding to the load torque becomes larger than a threshold value until a predetermined time elapses, the absolute value of the parameter corresponding to the load torque is larger than the threshold value . If you did Do exceeds the value, the sheet conveying apparatus characterized by controlling the first motor so that the difference Gayori increases the peripheral speed of the peripheral speed between the second conveying roller of the first conveying roller.
前記制御手段は、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に基づいて、前記駆動電流を制御し、
前記負荷トルクに対応するパラメータは前記検出手段によって検出された前記駆動電流の前記トルク電流成分の値であることを特徴とする請求項１又は請求項１を引用する請求項３乃至９のいずれか一項に記載のシート搬送装置。 The sheet conveying device has a detection unit that detects a drive current flowing in the winding of the first motor,
Said control means, based on the torque current component is a current component which generates a torque on the rotor a current component represented in the rotating coordinate system based on the determined times dislocations phase by said phase determining means , before controls hear dynamic current,
Any one of claims 3 to 9 parameter corresponding to the load torque cites claim 1 or claim 1, characterized in that the value of the torque current component of the driving current detected by said detecting means The sheet conveying apparatus according to one item.
前記制御手段は、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に基づいて、前記駆動電流を制御し、The control means is based on a torque current component that is a current component that is a current component that is generated in the rotating coordinate system based on the rotation phase determined by the phase determining means and that causes the rotor to generate torque, Controlling the drive current,
前記負荷トルクに対応するパラメータは前記検出手段によって検出された前記駆動電流の前記トルク電流成分の値であることを特徴とする請求項２又は請求項２を引用する請求項３乃至９のいずれか一項に記載のシート搬送装置。10. The parameter corresponding to the load torque is a value of the torque current component of the drive current detected by the detection means, according to claim 2 or claim 3 or claim 9. The sheet conveying apparatus according to one item.
記録媒体に画像を形成する画像形成手段と、
を有し、
前記画像形成手段は、前記シート搬送装置によって搬送された前記記録媒体に画像を形成することを特徴とする画像形成装置。 A sheet conveying device according to claim 1 to 11,
An image forming means for forming an image on a recording medium,
Have
The image forming apparatus, wherein the image forming unit forms an image on the recording medium conveyed by the sheet conveying apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017132910A JP6991758B2 (en) | 2017-07-06 | 2017-07-06 | Sheet transfer device and image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017132910A JP6991758B2 (en) | 2017-07-06 | 2017-07-06 | Sheet transfer device and image forming device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019017181A JP2019017181A (en) | 2019-01-31 |
| JP2019017181A5 true JP2019017181A5 (en) | 2020-08-13 |
| JP6991758B2 JP6991758B2 (en) | 2022-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017132910A Active JP6991758B2 (en) | 2017-07-06 | 2017-07-06 | Sheet transfer device and image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6991758B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7233987B2 (en) * | 2019-03-13 | 2023-03-07 | キヤノン株式会社 | image forming device |
| CN113472243B (en) * | 2021-06-23 | 2023-06-30 | 的卢技术有限公司 | Synchronous control method and system for rotating speeds of coaxial double motors |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008201522A (en) * | 2007-02-19 | 2008-09-04 | Seiko Epson Corp | Medium conveying device and medium conveying method |
| JP5621383B2 (en) * | 2009-09-11 | 2014-11-12 | 株式会社リコー | Conveying apparatus, image forming apparatus, conveyed medium conveying method, program |
| JP2011093670A (en) * | 2009-10-30 | 2011-05-12 | Canon Electronics Inc | Sheet carrying device |
| JP2014218373A (en) * | 2013-04-09 | 2014-11-20 | 株式会社リコー | Double feeding detection device, sheet conveyance control device, double feeding detection method and double feeding detection system |
| JP6557512B2 (en) * | 2015-05-20 | 2019-08-07 | キヤノン株式会社 | Motor control device, sheet conveying device, document reading device, and image forming device |
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