JP6269512B2 - 電子制御装置 - Google Patents
電子制御装置 Download PDFInfo
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- JP6269512B2 JP6269512B2 JP2015002514A JP2015002514A JP6269512B2 JP 6269512 B2 JP6269512 B2 JP 6269512B2 JP 2015002514 A JP2015002514 A JP 2015002514A JP 2015002514 A JP2015002514 A JP 2015002514A JP 6269512 B2 JP6269512 B2 JP 6269512B2
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- 238000004891 communication Methods 0.000 claims description 84
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- 238000001514 detection method Methods 0.000 claims description 19
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Description
Claims (1)
- 直列に接続される複数のスイッチと、それぞれが前記複数のスイッチのいずれかに接続される複数のノードとを含むネットワークに接続される電子制御装置であって、
前記複数のノードに応答確認データを送信してからその応答確認データに対する応答を受信するまでにかかる基準応答時間を前記複数のノード毎に記録したテーブルを保持する保持部と、
前記ノードに通信データを送信してからその通信データに対する受信通知を受信するまでにかかる通信応答時間と、前記テーブルに記録される基準応答時間とを用いて通信異常を検知する検出部と、
前記検出部が通信異常を検出した場合に、通信異常を検知したノードの基準応答時間に近い値の基準応答時間を有するノードに対して応答確認データを送信し、その応答確認データに対する応答を確認する試験部と、
前記試験部の確認結果からネットワークの異常発生箇所を特定する特定部と、を備える電子制御装置。
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JP2015002514A JP6269512B2 (ja) | 2015-01-08 | 2015-01-08 | 電子制御装置 |
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JP2015002514A JP6269512B2 (ja) | 2015-01-08 | 2015-01-08 | 電子制御装置 |
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JP2016127569A JP2016127569A (ja) | 2016-07-11 |
JP6269512B2 true JP6269512B2 (ja) | 2018-01-31 |
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JP2015002514A Expired - Fee Related JP6269512B2 (ja) | 2015-01-08 | 2015-01-08 | 電子制御装置 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113811931B (zh) * | 2019-06-20 | 2024-02-02 | 住友电气工业株式会社 | 车载通信系统、交换机装置、功能部、通信控制方法以及通信控制程序 |
CN114030666B (zh) * | 2021-11-08 | 2022-12-27 | 重庆市轩瑞食品有限公司 | 一种酱卤鸡爪的加工方法及其全自动封口包装机 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH06324966A (ja) * | 1993-05-10 | 1994-11-25 | N T T Data Tsushin Kk | 通信障害区間推定システム |
US6839754B2 (en) * | 2000-09-15 | 2005-01-04 | Wm. Marsh Rice University | Network tomography using closely-spaced unicast packets |
JP3796415B2 (ja) * | 2001-05-28 | 2006-07-12 | アライドテレシスホールディングス株式会社 | メディアコンバータ、障害検出システムおよび障害検出方法 |
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