JP5014606B2 - アクチュエータ駆動回路 - Google Patents
アクチュエータ駆動回路 Download PDFInfo
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- JP5014606B2 JP5014606B2 JP2005275437A JP2005275437A JP5014606B2 JP 5014606 B2 JP5014606 B2 JP 5014606B2 JP 2005275437 A JP2005275437 A JP 2005275437A JP 2005275437 A JP2005275437 A JP 2005275437A JP 5014606 B2 JP5014606 B2 JP 5014606B2
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- signal
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Description
図1は本発明の一実施形態に係るアクチュエータ駆動回路の診断回路の構成を示した回路図である。図1において、演算、診断を実施するマイコン1と、FETゲート抵抗2と、出力段ドライバ(FET)3と、アクチュエータ(負荷)4と、アクチュエータ用電源(負荷電源)5と、出力段F/Bモニタ回路6とが記載されている。
2 … FETゲート抵抗
3 … 出力段ドライバ(ドライバ)
4 … アクチュエータ
5 … アクチュエータ用電源
6 … 出力段F/Bモニタ回路(信号モニタ手段)
9 … F/Bモニタ信号(出力信号)
Claims (1)
- 所定の周波数の駆動信号を出力する制御手段と、
前記駆動信号が入力され、該入力された駆動信号に基づいて出力信号を生成し、該生成した出力信号によりアクチュエータ回路の動作を制御するドライバと、
前記ドライバと前記アクチュエータ回路とを接続する接続点の電圧を前記ドライバの出力信号としてモニタする信号モニタ手段とを備え、
前記制御手段は、前記ドライバに前記駆動信号を出力した後、前記信号モニタ手段でモニタされた前記出力信号の周波数を周期ごとに計測し、該ドライバに向けて出力した前記駆動信号の周波数と前記出力信号の周波数とを比較して、両周波数の差異が温度変化に基づいて設定された許容誤差範囲であるか否かに基づいて前記アクチュエータ回路及び該ドライバの動作が正常か否かを判断する制御を行うこと
を特徴とするアクチュエータ駆動回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005275437A JP5014606B2 (ja) | 2005-09-22 | 2005-09-22 | アクチュエータ駆動回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2005275437A JP5014606B2 (ja) | 2005-09-22 | 2005-09-22 | アクチュエータ駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007088840A JP2007088840A (ja) | 2007-04-05 |
JP5014606B2 true JP5014606B2 (ja) | 2012-08-29 |
Family
ID=37975378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005275437A Expired - Fee Related JP5014606B2 (ja) | 2005-09-22 | 2005-09-22 | アクチュエータ駆動回路 |
Country Status (1)
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JP (1) | JP5014606B2 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2793301B2 (ja) * | 1989-12-01 | 1998-09-03 | 日本電気精器株式会社 | On・off出力期間の異常検出回路 |
JP2871330B2 (ja) * | 1992-09-01 | 1999-03-17 | 三菱電機株式会社 | ソレノイド制御装置 |
JPH10108353A (ja) * | 1996-09-30 | 1998-04-24 | Keihin Seiki Mfg Co Ltd | 負荷の故障判定装置 |
JP4708714B2 (ja) * | 2004-02-20 | 2011-06-22 | 日立オートモティブシステムズ株式会社 | ソレノイド異常検出装置 |
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2005
- 2005-09-22 JP JP2005275437A patent/JP5014606B2/ja not_active Expired - Fee Related
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JP2007088840A (ja) | 2007-04-05 |
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