An in-vehicle relay device prevents the occurrence of an anomaly of a control command exchanged over networks having different transmittable data sizes in a frame. The in-vehicle relay device relays communication between a plurality of control devices in a vehicle over the networks to which the control devices are connected. The in-vehicle relay device receives control data from a first control network in the plurality of networks, where the control data includes, in a frame, a plurality of control commands to be executed by at least some of the control devices, makes a first determination as to whether types of the control commands included in the frame form a first combination preset as a combination of control commands executable simultaneously and thereafter makes a second determination as to whether the control data is anomalous by using the result of the first determination, and outputs the result of the second determination.
VEHICLE-MOUNTED RELAY DEVICE, VEHICLE-MOUNTED MONITORING DEVICE, VEHICLE-MOUNTED CONTROL NETWORK SYSTEM, COMMUNICATION MONITORING METHOD AND PROGRAM
FAHRZEUGMONTIERTE RELAISVORRICHTUNG, FAHRZEUGMONTIERTE ÜBERWACHUNGSVORRICHTUNG, FAHRZEUGMONTIERTES STEUERNETZWERKSYSTEM, KOMMUNIKATIONSÜBERWACHUNGSVERFAHREN UND PROGRAMM
DISPOSITIF DE RELAIS MONTÉ SUR VÉHICULE, DISPOSITIF DE SURVEILLANCE MONTÉ SUR VÉHICULE, SYSTÈME DE RÉSEAU DE COMMANDE MONTÉ SUR VÉHICULE, PROCÉDÉ DE SURVEILLANCE DE COMMUNICATION ET PROGRAMME
2020-08-05
Patent
Elektronische Ressource
Englisch
IPC: | H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / H04W WIRELESS COMMUNICATION NETWORKS , Drahtlose Kommunikationsnetze |
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