JP2008254632A5 - - Google Patents
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- JP2008254632A5 JP2008254632A5 JP2007100508A JP2007100508A JP2008254632A5 JP 2008254632 A5 JP2008254632 A5 JP 2008254632A5 JP 2007100508 A JP2007100508 A JP 2007100508A JP 2007100508 A JP2007100508 A JP 2007100508A JP 2008254632 A5 JP2008254632 A5 JP 2008254632A5
- Authority
- JP
- Japan
- Prior art keywords
- motor
- current
- command value
- zero cross
- phase current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 241001442055 Vipera berus Species 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
Claims (3)
前記モータ相電流のゼロクロスを判定するゼロクロス判定手段と、
前記ゼロクロス判定手段によって前記ゼロクロスが判定された際に、所定の時間遅延をした後、所定の電圧値、及び所定のパルス幅を有するパルス信号を生成するパルス信号生成手段と、
前記モータ制御信号と前記パルス信号を加算する加算器と、
を備え、
前記モータ駆動手段は、
前記加算器の出力によって前記モータを駆動することを特徴とする電動パワーステアリング制御装置。 A motor for applying a steering assist force to a steering system of a vehicle, a current command value calculation means for calculating a current command value based on the detected steering torque, and a motor for driving and controlling the motor based on the current command value In an electric power steering control device comprising: current control means for generating a control signal; motor drive means for driving the motor by the motor control signal; and motor phase current detection means for detecting a phase current of the motor.
Zero-cross determining means for determining zero-cross of the motor phase current;
Pulse signal generating means for generating a pulse signal having a predetermined voltage value and a predetermined pulse width after a predetermined time delay when the zero cross is determined by the zero cross determining means;
An adder for adding the motor control signal and the pulse signal;
With
The motor driving means is
An electric power steering control device, wherein the motor is driven by an output of the adder.
前記モータ相電流検出手段によって検出した電流に基づいて前記ゼロクロスを判定することを特徴とする請求項１に記載の電動パワーステアリング制御装置。 The zero cross determination means includes
2. The electric power steering control device according to claim 1, wherein the zero cross is determined based on a current detected by the motor phase current detecting means.
前記ゼロクロス判定手段は、
前記電流制御モデルの出力に基づいて前記ゼロクロスを判定することを特徴とする請求項１に記載の電動パワーステアリング制御装置。 Furthermore, including a predetermined relationship between the current command value and the phase current of the motor, comprising a current control model for estimating and outputting the phase current from the current command value,
The zero cross determination means includes
The electric power steering control device according to claim 1, wherein the zero cross is determined based on an output of the current control model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007100508A JP4967766B2 (en) | 2007-04-06 | 2007-04-06 | Electric power steering control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007100508A JP4967766B2 (en) | 2007-04-06 | 2007-04-06 | Electric power steering control device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010034549A Division JP4968351B2 (en) | 2010-02-19 | 2010-02-19 | Electric power steering control device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008254632A JP2008254632A (en) | 2008-10-23 |
| JP2008254632A5 true JP2008254632A5 (en) | 2010-04-08 |
| JP4967766B2 JP4967766B2 (en) | 2012-07-04 |
Family
ID=39978648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007100508A Active JP4967766B2 (en) | 2007-04-06 | 2007-04-06 | Electric power steering control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4967766B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004289929A (en) * | 2003-03-20 | 2004-10-14 | Mitsuba Corp | Motor driving circuit |
| JP4581574B2 (en) * | 2004-09-08 | 2010-11-17 | 株式会社ジェイテクト | Motor control device and electric power steering device |
| JP4617895B2 (en) * | 2005-01-20 | 2011-01-26 | 日本精工株式会社 | Control device for electric power steering device |
-
2007
- 2007-04-06 JP JP2007100508A patent/JP4967766B2/en active Active
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