Sumitomo Electric Industries, Limited

Sumitomo Wiring Systems, Limited

Autonetworks Technologies, Limited

Toyota Jidosha Kabushiki Kaisha

Darmawan Go

Takeshi Hagihara

Tatsuya Izumi

Hirofumi Urayama

Yusuke Yamamoto

Hideyuki Tanaka

Yasuhiro Yabuuchi

Hideki Maeda

Yosuke Shimizu

Yojiro Suyama

Hideki Goto

Kenta Ogata

Yoshitaka Kikuchi

Tomohiro Otsu

Akihito Iwata

Masashi Amesara

Shu Ishizuka

Hisashi Furukawa

Yasuhiro Yamasaki

Tadashi Matsumoto

Hiroya Ando

Yoshihisa Nagamura

Toshio Kawamura

Junji Yano

Takashi Yasuda

The vehicle-mounted relay device in a vehicle-mounted communication system provided with a plurality of vehicle-mounted devices, the vehicle-mounted relay device includes: a relay unit configured to relay communication data between the plurality of vehicle-mounted devices; and a processing unit configured to, before communication is started between the vehicle-mounted devices, notify the vehicle-mounted devices of a common protocol that is a common communication protocol to be used.

Vehicle-mounted relay device, vehicle-mounted communication system, and communication control method

A vehicle-mounted relay device for relaying Ethernet frames includes a plurality of PHY units corresponding to a plurality of vehicle-mounted devices, a switch unit to which the plurality of PHY units are connected, and a control unit configured to monitor operating states of the plurality of PHY units. The plurality of PHY units include a predetermined PHY unit whose operating state switches between a sleep state and an active state in response to reception of a predetermined control signal that differs from the Ethernet frames. When an Ethernet frame to be transmitted from the predetermined PHY unit has been detected during a period where the predetermined PHY unit is in the sleep state, the control unit executes switching control to switch the predetermined PHY unit to the active state.

Relay device, relay system, relaying method, and computer program

A management device includes: a specification information acquisition unit configured to acquire specification information indicating a specification of a configuration of an in-vehicle network; a state information acquisition unit configured to acquire state information indicating an assembly state, in the in-vehicle network, of a plurality of in-vehicle devices forming the in-vehicle network; and a comparison unit configured to compare the specification indicated by the specification information acquired by the specification information acquisition unit with the assembly state indicated by the state information acquired by the state information acquisition unit.

Management device, inspection method, and inspection program

A relay device mounted to a vehicle includes a plurality of function units. The relay device includes: an authentication processing unit configured to acquire authentication information of a function unit from an external device outside the vehicle, and perform an authentication process regarding the function unit by using the acquired authentication information; and a relay processing unit configured to, on the basis of a result of the authentication process performed by the authentication processing unit, relay information between the function unit and another function unit. When a validity time limit of the authentication information has expired, the authentication processing unit acquires, from the external device, the authentication information that is new.

Relay device and vehicle communication method

A network having a new configuration is flexibly constructed through a simple process while ensuring security in the network. A setting device includes: an acquisition unit configured to acquire an authentication result regarding a new function unit serving as a function unit newly added to an in-vehicle network including one or a plurality of function units; and a setting unit configured to, when the authentication result acquired by the acquisition unit is affirmative, perform a setting process for allowing the new function unit and an existing function unit serving as a function unit included in the in-vehicle network before the new function unit is added thereto, to perform communication via a plurality of relay devices capable of relaying information between the function units, the setting process being regarding at least one of the relay devices, the existing function unit, and the new function unit.

Setting device, communication system, and vehicle communication management method

An information of a network to which a new function unit has been added is easily acquired. A relay device installed in a vehicle includes: a detection unit configured to detect a new function unit being a function unit that is newly added to a network including an existing function unit being one or a plurality of function units; a relay unit configured to relay a frame between the function units; and an acquisition unit configured to acquire, from the frame, relayed by the relay unit, between the new function unit detected by the detection unit and the existing function unit, function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer, the function unit information being of at least one of the new function unit and the existing function unit.

Relay device, vehicle communication system, vehicle, communication method, and communication program

An in-vehicle device is mounted to a vehicle and includes: an acquisition unit configured to acquire state information indicating a state of the vehicle; a plurality of physical resources; and an allocation unit configured to change, in accordance with the state indicated by the state information acquired by the acquisition unit, allocation of the physical resources to be used in a target process being one or a plurality of types of processes that should be performed by the in-vehicle device.

In-vehicle device, vehicle management system, resource management method, and resource management program for allocation of computing recourses based on a usage state

In a system including a plurality of in-vehicle networks, information regarding the network configuration of function units connected to different types of transmission paths can be easily used. A relay device includes: an acquisition unit configured to acquire second function unit information of the function unit connected to the second transmission path, the second function unit information being function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer; and a conversion unit configured to perform a conversion process of converting the second function unit information acquired by the acquisition unit into information that is able to be registered into a database of one or a plurality of pieces of first function unit information being function unit information of one or a plurality of the function units each connected to a corresponding first transmission path.

Relay device, vehicle, communication method, and communication program

The in-vehicle management device includes: a detection unit configured to detect the presence of a target device that is an in-vehicle device that does not support a predetermined message among in-vehicle devices included in an in-vehicle network; and a control unit configured to perform control for causing the target device detected by the detection unit to transition to a sleep state when a state where the predetermined message from the in-vehicle devices does not arrive at the in-vehicle management device has continued for a predetermined period.

In-vehicle management device and management method

Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between a plurality of function units; and a relay management unit. The relay unit receives, from a function unit, a target frame. When a content of the target frame satisfies a predetermined condition, the relay management unit stores, in the target frame, position information which is information regarding a position, in the in-vehicle network, of a function unit as a request source of a service related to the target frame or a function unit as a request destination of the service related to the target frame, and outputs the target frame having the position information stored therein, to the relay unit. The relay unit transmits the target frame received from the relay management unit, to a function unit which is a destination of the target frame.

Relay device, in-vehicle communication system, vehicle, and in-vehicle communication method

Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between the function units; and a relay management unit. The relay unit receives, from a function unit, a target frame which is transmitted and received according to a predetermined communication protocol and includes information with which a request source of a service is identifiable and information with which a content of the requested service is identifiable, duplicates target data which is at least a part of the received target frame, outputs the duplicated target data to the relay management unit, and relays the received target frame to another function unit. The relay management unit performs determination regarding setting change in the relay process of the relay unit, on the basis of the target data received from the relay unit.

Relay device, in-vehicle communication system, in-vehicle communication method, and storage medium

A plurality of communication units of an on-board relay device include a remote communication unit to which a communication device outside a vehicle for communicating with an external server is connected, and a local communication unit to which a diagnostic device is connected, and a control unit of the on-board relay device performs lower layer side control for relay based on a lower side layered protocol in communication, and upper layer side control for relay based on an upper side layered protocol rather than the lower side layered protocol, and performs adjustment processing with respect to a conflict of a plurality of maintenance processings by the upper layer side control when information relevant to the plurality of maintenance processings with respect to any one on-board ECU of a plurality of on-board ECUs is input through the local communication unit and the remote communication unit.

On-board relay device, information processing method, and program

A management device to be used in an in-vehicle network including a plurality of function units installed in a vehicle includes: a state information acquisition unit configured to acquire state information indicating a state of the vehicle; and an allocation unit configured to change allocation of transmission bands of a plurality of logical paths between the function units in accordance with the state of the vehicle indicated by the state information acquired by the state information acquisition unit.

Management device, in-vehicle system, vehicle, communication management method and storage medium

A switch device includes: a plurality of communication ports; a switch unit configured to relay a frame, which has been transmitted from a function unit and to which information including an ID of a VLAN and priority information is added, to another function unit via a communication port, according to the priority information; and a duplication unit configured to, when the diagnosis device is connected to another switch device, duplicate the frame to be relayed via a designated communication port, thereby generating a duplicate frame for diagnosis. The duplication unit is able to set the priority information to be added to the duplicate frame for diagnosis, separately from the priority information to be added to the frame as an original. The switch unit outputs the duplicate frame for diagnosis, from a communication port corresponding to the other switch device, according to the priority information set by the duplication unit.

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Osaka, Japan

Darmawan Go