METHOD OF EVALUATING ERROR DETECTION FOR CAN, AND CAN COMMUNICATION APPARATUS

PROBLEM TO BE SOLVED: To reduce the cost of an error detection evaluation environment for CAN (Controller Area Network), and to reduce the scale of the error detection evaluation environment for CAN. SOLUTION: In a test mode, a tested node and a jig node are connected to the same CAN transmission pa...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAGUCHI TAIICHIRO, MAEDA MASAHIRO, WATANABE YUTAKA, KUBO YUJI, FUKUBEYAMA TEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PERFORMING OPERATIONS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce the cost of an error detection evaluation environment for CAN (Controller Area Network), and to reduce the scale of the error detection evaluation environment for CAN. SOLUTION: In a test mode, a tested node and a jig node are connected to the same CAN transmission path, and an ID value and a DLC value for a data frame are set to be the same value in the tested node and the jig node. The level of any bit of a data value to be set in a data region of the data frame for the tested node is set to "recessive", and the level of the corresponding bit of the data frame of the jig node is set to "dominant". When the data frame set in this manner is transmitted from the tested node and the jig node to the CAN transmission path, respectively a bit error occurs since the data value of the data frame to be transmitted to the CAN transmission path by the tested node 1 and the data value of the data frame received from the CAN transmission path by the tested node 1 are different from each other. COPYRIGHT: (C)2009,JPO&INPIT