JP5329794B2 - 通信異常検知装置 - Google Patents
通信異常検知装置 Download PDFInfo
- Publication number
- JP5329794B2 JP5329794B2 JP2007288113A JP2007288113A JP5329794B2 JP 5329794 B2 JP5329794 B2 JP 5329794B2 JP 2007288113 A JP2007288113 A JP 2007288113A JP 2007288113 A JP2007288113 A JP 2007288113A JP 5329794 B2 JP5329794 B2 JP 5329794B2
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- Prior art keywords
- data
- control unit
- communication abnormality
- transmitted
- electronic control
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- Combined Controls Of Internal Combustion Engines (AREA)
- Debugging And Monitoring (AREA)
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Description
Claims (2)
- 複数の種類のデータを周期的に送受信する複数の電子制御装置の間の通信異常を検知する通信異常検知装置において、前記複数の電子制御装置の一方は、前記複数の種類のデータの内、今回送信すべきデータを決定し、少なくとも前記決定した送信すべきデータの種類に応じたコマンドを他方に送信し、前記他方に、受信した前記コマンドに応じてウオッチドッグタイマの値を初期化するウオッチドッグパルスの周期を変更させると共に、前記変更されたウオッチドッグパルスの周期を計測し、前記計測されたウオッチドッグパルスの周期が前記送信したコマンドに応じて変更されていないとき、前記通信異常があると検知することを特徴とする通信異常検知装置。
- 前記一方は、前記一方と他方の演算負荷に基づいて前記複数種の制御データの内、今回送信すべきデータを決定することを特徴とする請求項1記載の通信異常検知装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007288113A JP5329794B2 (ja) | 2007-11-06 | 2007-11-06 | 通信異常検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007288113A JP5329794B2 (ja) | 2007-11-06 | 2007-11-06 | 通信異常検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009114932A JP2009114932A (ja) | 2009-05-28 |
JP5329794B2 true JP5329794B2 (ja) | 2013-10-30 |
Family
ID=40782353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007288113A Expired - Fee Related JP5329794B2 (ja) | 2007-11-06 | 2007-11-06 | 通信異常検知装置 |
Country Status (1)
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JP (1) | JP5329794B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5434481B2 (ja) * | 2009-10-30 | 2014-03-05 | 株式会社オートネットワーク技術研究所 | 処理装置及び制御方法 |
JP2011096088A (ja) * | 2009-10-30 | 2011-05-12 | Autonetworks Technologies Ltd | 処理装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05134899A (ja) * | 1991-11-13 | 1993-06-01 | Sumitomo Electric Ind Ltd | マイクロコンピユータの暴走監視回路 |
JPH0685876A (ja) * | 1992-09-07 | 1994-03-25 | Nec Corp | 通信制御装置 |
JP3163904B2 (ja) * | 1994-06-21 | 2001-05-08 | 日本電気株式会社 | 暴走監視機能付きcpu装置 |
JPH09101908A (ja) * | 1995-10-04 | 1997-04-15 | Oki Electric Ind Co Ltd | ウォッチドッグタイマ回路 |
JP2001202266A (ja) * | 2000-01-21 | 2001-07-27 | Denso Corp | 車載制御ユニットの検査方法 |
JP2002229817A (ja) * | 2001-02-01 | 2002-08-16 | Seiko Epson Corp | ウォッチドックタイマ |
JP2002351754A (ja) * | 2001-05-28 | 2002-12-06 | Nec Corp | 入力ノイズ判別方法およびその記録媒体 |
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2007
- 2007-11-06 JP JP2007288113A patent/JP5329794B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2009114932A (ja) | 2009-05-28 |
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