Hitachi, Ltd.

Haruki Oishi

Atsushi Katou

Noboru Kiyama

Hidetoshi Teraoka

Mitsunori Maru

Naomi Izumi

Updating software in consideration of a preceding software update state is performed in an electronic control unit of a vehicle. A server communicates with a software update apparatus that updates software of an in-vehicle control device. The server includes a software update sequence control unit that manages a software update to the in-vehicle control device. When a subsequent second software update is registered in the server during an application of a preceding first software update to the in-vehicle control device, the software update sequence control unit determines whether to interrupt the application of the first software update and start an application of the second software update to the in-vehicle control device based on information relating to the application of the first software update, information relating to the application of the second software update, and an update processing state of the first software update to the in-vehicle control device.

Server, software update system, and software update apparatus

Software is prevented from being distributed due to a human-caused error. A software distribution system includes a software distribution server that uses a campaign to manage an update of a function for an in-vehicle device of a vehicle and remotely distributes software based on the campaign, a terminal that executes input and output, and a software update device that is attached to the vehicle and configured to download the distributed software and install the software in the in-vehicle device. In the software distribution system, when the creation of the campaign is requested, statistical information of updated amounts of the software updated based on the most recent multiple campaigns in the target in-vehicle device for the requested campaign is compared with an updated amount of the software updated based on the requested campaign. When a predetermined requirement is satisfied, the requested campaign is not created and a predetermined alert is notified.

Software distribution system, software distribution server, and software distribution method

Control for the flexible distribution of update software is realized. An in-vehicle software distribution systemis configured comprising an in-vehicle software distribution server (telematics center) which manages updates to an identical function by means of a campaign for an in-vehicle system (an engine ECU, for example) of a plurality of vehiclesand distributes software of the campaign remotely to target vehicles, a terminal, and a software update apparatuswhich is mounted in each of the plurality of vehicles. Furthermore, in the telematics center, a campaign management unitcategorizes the campaign target vehicles into groups based on a predetermined criterion and creates a plurality of sub-campaigns which are subordinate to the campaign for each of the categorized groups, and a software distribution unit (an update software distribution unit) distributes software remotely to the target vehicles for each of the sub-campaigns.

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Tokyo, Japan

Haruki Oishi