Denso Corporation

Toyota Jidosha Kabushiki Kaisha

Sho Nakamura

Yuzo Harata

Tomoyasu Ishikawa

Kazuhiro Uehara

Kazuaki Hayakawa

Yasuo Morita

Tatsuya Sato

Mitsuyoshi Natsume

Taku Ibuki

Naoji Kaneko

Tomoya Ogawa

Masakazu Doi

Hideo Yoshimi

A vehicular electronic control device installed in a vehicle capable of switching between a chargeable state and an unchargeable state performs activation acceptance for inquiring of a user whether to accept activation processing of activating updated software after completion of installation processing of writing update data in an update target node to generate the updated software, transmits during the chargeable state a switching instruction that executes the activation processing during the chargeable state to the update target node, and transmits during the chargeable state a switching setting instruction that executes the activation processing during the unchargeable state to the update target node.

Vehicular electronic control device and update program

A program update system includes a vehicle including a plurality of in-vehicle devices, and a server provided outside the vehicle. Each of the in-vehicle devices of the vehicle includes a storage unit configured to store one or more programs, an in-vehicle device communication unit configured to perform communication with the server, and an update execution unit configured to update the programs stored in the storage unit. The server includes a server communication unit configured to perform communication with each of the in-vehicle devices, and an update management unit configured to specify the in-vehicle device to be updated in a set of the in-vehicle devices and a program to be updated and execute update processing that makes the server communication unit transmit update data for updating the program to be updated to the in-vehicle device to be updated.

Software update program for in-vehicle devices and associated server

A vehicle system includes: a reprogramming slave device that is an electronic control unit (hereinafter, referred to as ECU) to be a target of updating an update file of a program stored among a plurality of the ECUs; a reprogramming master device that transmits the update file to the reprogramming slave device in response to a request from a terminal operable by a vehicle user to control updating of the program stored in the reprogramming slave device; and a determination unit that determines traveling propriety of a vehicle when the update file is rewritten in the reprogramming slave device. The vehicle device functions as the reprogramming master device, and includes: an obtaining unit that obtains the traveling propriety determined by the determination unit; and a notification command unit that commands a notification medium to notify information of the traveling propriety obtained by the obtaining unit.

Vehicle device

An updating system includes a plurality of electronic control units and an updating management device. The updating management device is configured to request that the electronic control units respectively update programs and store update results of the programs transmitted from the electronic control units. The electronic control unit has a first storage region and a second storage region, and is configured to store an updated program in the second storage region and notify the updating management device of the update results according to a request from the updating management device, and is configured to start a predetermined control using the updated program stored in the second storage region when the update results stored in the updating management device indicate that the updating of the programs in the electronic control units is completed.

Updating system, electronic control unit, updating management device, and updating management method

A parallel process apparatus connecting electronic controllers via buses includes: a process request acceptance section that accepts process requests to the electronic controllers; and a process execution section that, while multiple process requests are simultaneously accepted, arbitrates the multiple process requests being accepted, and parallelizes multiple processes in accordance with the multiple process requests.

Parallel process apparatus, parallel process system, and parallel processing method for parallelizing multiple processes in accordance with multiple process requests

Parallel process apparatus and parallel process program product product for parallelizing multiple processes in accordance with multiple process requests

A vehicle system includes: a reprogramming slave device implemented by an electronic control unit (hereinafter 'ECU') to be a target of updating an update file of a program stored among a plurality of the ECUs; a reprogramming master device that transmits the update file to the reprogramming slave device to control the update of the program stored in the reprogramming slave device according to a request from a terminal operable by a vehicle user; and a determination unit determines the progress of update processing on the update file. A vehicle device functions as the reprogramming master that includes: an obtaining unit for obtaining the progress determined by the determination unit; and a notification command unit for commanding a notification medium to notify the progress obtained by the obtaining unit.

A relay device is provided. The relay device includes: an acquisition unit acquiring data necessary for an upgrade processing from an upgrading tool, which performs the upgrading processing to an ECU connected to a vehicle-mounted network; a relay unit providing the data, via the vehicle-mounted network, to a target ECU which is subject to the upgrade processing; a suspend instructing unit transmitting, via the vehicle-mounted network, a suspend command which instructs the non-target ECU to shift to a suspend state in which a transmission of other data to the non-target ECU via the vehicle-mounted network is suspended in response to a start of the upgrade processing; and a cancel instructing unit instructing, via the vehicle-mounted network, the non-target ECU to cancel the suspend state when the upgrade processing is completed.

Relay device, electronic control unit, and vehicle-mounted system

Provided is a control device for an internal combustion engine. The internal combustion engine includes cylinders, intake ports, exhaust ports, intake values, exhaust valves, fuel injection valves, and an exhaust valve stop mechanism. The control device includes an electronic control unit configured to control the fuel injection valves so as to inject the feel into the some cylinders at least during a period of time of a compression stroke or an expansion stroke of the some cylinders, control the exhaust valve stop mechanism so as to stop the exhaust valves of the exhaust ports of the some cylinders in a valve-closed state, and control the intake valves so as to open the intake valves at least during a period of time of an intake stroke of the some cylinders such that exhaust gas is recirculated to each of the cylinders via the intake ports of the some cylinders.

Growing community of inventors

Kariya, Japan

Sho Nakamura