Hitachi Automotive Systems, Ltd.

Hitachi Astemo Ltd.

Hitachi, Ltd.

Clarion Co

Hitachi Appliances, Inc

Hitachi Maxell, Limited

Hidetoshi Teraoka

Kenichi Kurosawa

Fumiharu Nakahara

Kenichi Osada

Hiroo Okamoto

Kohei Sakurai

Mitsuhiro Kitani

Mikio Kataoka

Masashi Yano

Kyouichi Nakaguma

Tomochika Ozaki

Tetsuya Yamada

Kazuyoshi Serizawa

Tadayoshi Kosaka

Hiroki Yamazaki

Chiyo Ohno

Tomohito Ebina

Katsuya Miyata

Tsuneo Sobue

Hiromichi Ito

Naoyuki Yamamoto

Mitsunori Maru

Haruki Oishi

Koji Urawaki

Masaaki Nakamura

Hiroshi Kodaka

Hajime Araki

A software inquiry information management system stores a device request specification in association with a regulation ID that is information specifying a regulation that defines a requirement for receiving legal approval for a vehicle, acquires traceability information of a device that is associated with the device request specification, specifies a regulation ID corresponding to the device request specification that is associated with the acquired traceability information, generates approval software inquiry information that is information in which the specified regulation ID is associated with one or more software IDs included in the traceability information, and generates vehicle traceability information that is information in which the approval software inquiry information is associated with the traceability information.

Software inquiry information management system and software inquiry information management method

There is provided an arithmetic operation device which is connected to a plurality of electronic control units. One or more electronic control units of the plurality of electronic control units constitute each of functions. The arithmetic operation device includes an external communication unit which receives, for each function, function configuration information including first verification information and first identification information of the one or more electronic control units constituting the function, an acquisition unit which acquires version information of software installed on the electronic control unit and second identification information of the electronic control unit from each of the plurality of electronic control units, a calculation unit which calculates, for each function, second verification information by using the version information acquired by the acquisition unit which is the version information of all the electronic control units constituting the function and the second identification information of all the electronic control units constituting the function, and a determination unit that determines, for each function, whether or not the first verification information and the second verification information match.

Arithmetic operation device and determination method

A software update device includes a reception unit that receives update data from the server; an update unit that updates software using the update data; a communication interface that communicates with the other software update devices; an update timing reception unit that receives from the server an update timing in which conditions for updating the software including a reception of an update trigger are described; a notification information reception unit that receives notification information including conditions for transmitting the update trigger to another software update device; an update trigger notification unit that transmits the update trigger to the other software update devices; an update trigger reception unit that receives the update trigger from the other software update devices; and an update start determination unit that causes the update unit to update the software when it is determined that all the conditions described in the update timing are satisfied.

Software update device and software update system

A control apparatus includes a reception unit which receives distribution data which contains compressed update data and a header which includes information to designate any one of a plurality of update systems, a decompression unit which decompresses the update data from the distribution data received by the reception unit, and a restoration unit which restores a new program after updating according to an update system designated in the header using the update data decompressed by the decompression unit. The decompression unit switches a decompression method when the update data is decompressed on the basis of the update system designated in the header.

Control apparatus, program update system, and program update method

A software update device is connected to a control device and includes an update control unit executing an update process of causing software for the control device to transit from a non-updated state to a completely updated state, a recovery control information managing unit acquiring recovery control information, and a recovery control unit executing a recovery process of causing the software to transit to the completely updated state on a basis of the recovery control information in a case where an abnormality in the update process has prevented the software from transiting to the completely updated state.

Software update device, software update method, and software update system

The present invention makes it possible to reduce the volume of communication data necessary for updating the configuration of a circuit unit of a reconfigurable circuit device. In an vehicle control systemincluding an FPGA, the FPGAincludes a circuit unit including a reconfigurable circuit and a circuit SRAM that stores configuration information of the circuit unit. A transfer check unit that acquires a difference command regarding a change part of a circuit element in the circuit unit, and a data conversion unitthat updates the configuration information based on the difference command are provided. Further, in the vehicle control system, a non-volatile memorythat stores the configuration information to be stored in the circuit SRAM is further provided. The data conversion unitmay update the configuration information stored in the non-volatile memorybased on the difference command acquired by the transfer check unit.

Electronic control system for updating circuit

An information update apparatus that updates first information stored in a vehicle control apparatus to second information. The information update apparatus includes: a download control unit that receives an update package including an update body that is a difference between the first information and the second information or the second information, procedure information including a procedure of updating the first information to the second information using the update body, and an activation condition that is a condition of starting updating the first information to the second information; and an event management unit that acquires a state of a vehicle on which the vehicle control apparatus and the information update apparatus are mounted, and causes an update execution unit to execute the update based on the procedure information when the state of the vehicle matches the activation condition.

Information update apparatus and information update method

The autonomous driving ECU includes a first communication unit that transmits and receives autonomous driving data to and from the plurality of data ECUs, and a vehicle control unit that controls a vehicle on the basis of the autonomous driving data transmitted from the plurality of data ECUs. Each data ECU includes a data construction unit that performs a construction of the autonomous driving data transmitted to the autonomous driving ECU, and a second communication unit that transmits and receives the autonomous driving data to and from the autonomous driving ECU. If a predetermined event occurs, among the data ECUs, the data construction unit of the data ECU in which the predetermined event occurs constructs the autonomous driving data so that a total amount of the autonomous driving data transmitted from the data ECU in which the predetermined event occurs is not greater than a predetermined amount of data.

Autonomous driving system, autonomous driving control method, data ECU, and autonomous driving ECU

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

A software management system includes a server device, a maintenance device communicating with the server device, an electronic control device provided in a vehicle, a communication device provided in the vehicle, and a gateway device provided in the vehicle and communicating with the maintenance device, the electronic control device, and the communication device. The server device manages version information of software of the electronic control device in association with a control device ID of the electronic control device and the gateway device stores a correspondence between the control device ID and a communication ID of the electronic control device, and further the maintenance device instructs the gateway device to set the correspondence between the control device ID and the communication ID. The gateway device acquires the version information from the electronic control device and notifies the server device of configuration information associating the version information and the control device ID.

Software management system, gateway device, maintenance device, server device, and control method for software management system

A software update device includes: a memory unit for storing information about a plurality of HMI devices each including a display device; a selection unit for selecting at least one HMI device among the plurality of HMI devices; an update unit for updating software of an in-vehicle device; and a transmission unit for sending a notification message regarding the update to the one HMI device.

Provided are an on-vehicle control device and an on-vehicle control device information update system that are capable of identifying a subject vehicle by a simple means, while suppressing power consumption, when on-vehicle device information is automatically updated. This on-vehicle control device receives a vehicle response request message from a data server in a power-saving mode in which only a vehicle external communication unit can operate; checks vehicle identification information and on-vehicle control device information that are subject to change and are stored in the message, and vehicle identification information and on-vehicle control device information stored in advance in the vehicle external communication unit and responds with the results to the data server.

On-vehicle control device and on-vehicle control device information update system

The present invention provides a vehicle control device and a program update system capable of effectively suppressing erroneous execution and update of a plurality of control programs stored in a nonvolatile memory. A vehicle control device according to the present invention has a flash ROM and an operation unit. In addition, the flash ROM has a first area and a second area which store a control program executable by the operation unit and a plurality of management data areas which store management data including current program area information representing one storage area of the first area and the second area as a storage area storing a current control program to be executed by the operation unit.

Vehicle control device and program update system

An electric control device for vehicles capable of updating an old program stored in a storage unit with a new program. A reception unit sequentially receives a plurality of pieces of division data acquired by dividing difference data, which includes a data section based on a difference between the old program and the new program and a command section used for generating the new program by reflecting the data section on the old program, or difference compression data acquired by compressing the difference data for every predetermined data length A restoration process restores the new program based on each division data received by the reception unit and the old program. If at least a part of the command section and the data section is not included in the division data received by the reception unit, the restoration unit suspends the restoration process and waits for reception of next division data.

Electric control device for vehicles, program updating method, and server apparatus

The present invention provides a vehicle-mounted control device, a program writing device, a program generating device, and a program, which are capable of quickly and easily carrying out reprogramming. An ECUis provided with: a microcomputer, an SRAM, a flash memory, and a communication device. The flash memoryis configured from a plurality of blocks and stores older versions of the program. The communication devicereceives (S) a frame including block data, the type of the block data, and an address of a block in which the block data is to be written. The microcomputerrestores (S) a new program from the block data in the SRAMaccording to the type of the block data (S, S) and writes (S, S) one piece of the restored new program in a block corresponding to the address.

Growing community of inventors

Tokyo, Japan

Hidetoshi Teraoka