公开(公告)号：US20230415677A1

公开(公告)日：2023-12-28

申请号：US18252974

申请日：2021-08-31

Applicant: HITACHI ASTEMO, LTD.

Inventor： Tasuku ISHIGOOKA ,  Kazuyoshi SERIZAWA ,  Takashi MURAKAMI

IPC: B60R16/023

CPC classification number: B60R16/0232

Abstract: Provided is a vehicle control device capable of improving safety and availability by determining, in response to a failure of a core, a core to which the software is to be moved, determining whether there is a contention in the timings of execution based on software operations after the software is moved to another core, and making an arbitration when there is a contention. The vehicle control device has a CPU 11 that executes a plurality of tasks in clock-synchronization, the vehicle control device including a failure detecting unit 121 that detects a failure of a core 10 on the CPU 11, and an execution timing arbitration unit 124 that allocates a task having been executed by a failed core 10 to a non-failed core 10. When the task having been executed by the failed core 10 is allocated to the non-failed core 10, the execution timing arbitration unit 124 shifts the execution time slot in a manner making the task being executed by the non-failed core 10 executable, thereby setting time slots in which the plurality of tasks are executable.

公开(公告)号：US20230339484A1

公开(公告)日：2023-10-26

申请号：US17799407

申请日：2020-12-18

Applicant: Hitachi Astemo, Ltd.

Inventor： Tasuku ISHIGOOKA ,  Nobuyasu KANEKAWA ,  Tomohito EBINA ,  Kazuyoshi SERIZAWA ,  Tatsuya HORIGUCHI

IPC: B60W50/035 ,  G06F1/3234 ,  B60W60/00

CPC classification number: B60W50/035 ,  G06F1/3243 ,  B60W60/001

Abstract: Provided is a vehicle control device capable of executing control processing by utilizing a power saving execution determination unit that determines a shift to or a release from a normal mode to a power saving mode on the basis of a preset power saving condition, and a power saving execution unit that executes power saving control of the CPU by determining a shift to the power saving mode and stops the power saving control of the CPU by determining a release of the power saving mode. Then, the power saving execution determination unit has a plurality of power saving conditions, determines to shift to the power saving mode in a case where all of the plurality of power saving conditions are satisfied, and determines to release the power saving mode in the case of being changed to a state in which some of the power saving conditions are not satisfied.

公开(公告)号：US20240340358A1

公开(公告)日：2024-10-10

申请号：US17767636

申请日：2020-09-08

Applicant: Hitachi Astemo, Ltd.

Inventor： Ryo TSUCHIYA ,  Kazuyoshi SERIZAWA

IPC: H04L69/08 ,  H04L61/45 ,  H04L67/12

CPC classification number: H04L69/08 ,  H04L61/45 ,  H04L67/12

Abstract: A communication system and so forth that can improve the throughput are provided. The communication system includes a server 1A (first server), another server 1B (second server), and a client 2. The server 1B transmits server information (second server information) indicative of an address of the server 1B to the client 2 through a non-IP communication channel. The client 2 includes a service registry 114C (registry) into which the server information transmitted from the server 1B is stored. The client 2 acquires the server information from the service registry 114C and requests the server 1B corresponding to the address indicated by the server information for a service to be provided by the server 1B.

公开(公告)号：US20240330166A1

公开(公告)日：2024-10-03

申请号：US18580980

申请日：2022-02-08

Applicant: HITACHI ASTEMO, LTD.

Inventor： Takeshi FUKUDA ,  Tasuku ISHIGOOKA ,  Masashi MIZOGUCHI ,  Takashi MURAKAMI ,  Kazuyoshi SERIZAWA ,  Tomohito EBINA

IPC: G06F11/36 ,  G06F11/34

CPC classification number: G06F11/3688 ,  G06F11/3409 ,  G06F11/3604

Abstract: A vehicle control system includes: a computation unit that executes a computation of first control software when a vehicle is in a first state and that executes a computation of second control software when the vehicle is in a second state; a comparison reference data saving unit that saves input data input from a sensor to the first control software and to the second control software and that saves output data from the first control software and the second control software; and an evaluation unit that evaluates the performance of the second control software, based on a difference between pieces of output data read from the comparison reference data saving unit.

公开(公告)号：US20220214993A1

公开(公告)日：2022-07-07

申请号：US17604658

申请日：2020-03-25

Applicant: Hitachi Astemo, Ltd.

Inventor： Tatsuya HORIGUCHI ,  Tasuku ISHIGOOKA ,  Kazuyoshi SERIZAWA ,  Tsunamichi TSUKIDATE

IPC: G06F15/78 ,  G06F15/173

Abstract: The computing efficiency of an electronic computing device is improved. HPCs 20 to 23 include arithmetic processing units HA0 to HA3, respectively. Each of the arithmetic processing units HA0 to HA3 executes arithmetic processing in parallel. LPCs 30 to 33 includes management processing units LB0 to LB3, respectively. Each of the management processing units LB0 to LB3 manages execution of specific processing by an accelerator 6 when each of the arithmetic processing units HA0 to HA3 causes the accelerator 6 to execute the specific processing, and performs a series of commands for causing the accelerator 6 to execute the specific processing on a DMA controller 5 and the accelerator 6.

公开(公告)号：US20240231905A1

公开(公告)日：2024-07-11

申请号：US18290580

申请日：2022-02-03

Applicant: HITACHI ASTEMO, LTD.

Inventor： Masashi MIZOGUCHI ,  Takashi MURAKAMI ,  Kazuyoshi SERIZAWA ,  Yukinori ASADA ,  Takeshi FUKUDA ,  Tomohito EBINA

IPC: G06F9/48

CPC classification number: G06F9/4887

Abstract: In an electronic system, a plurality of task processing units that processes assigned tasks are connected via a network. Each of the plurality of task processing units includes a task activation unit that activates and executes the task, and third task processing in a third task processing unit uses at least a processing result of a first task in a first task processing unit or a processing result of a second task in a second task processing unit preceding the third task processing, and periodically executes a series of processing from the preceding first task processing or the second task processing to the third task processing at predetermined time intervals.

公开(公告)号：US20240020245A1

公开(公告)日：2024-01-18

申请号：US18254451

申请日：2021-09-09

Applicant: HITACHI ASTEMO, LTD.

Inventor： Masashi MIZOGUCHI ,  Tomohito EBINA ,  Tasuku ISHIGOOKA ,  Kazuyoshi SERIZAWA ,  Kenichi OSADA

IPC: G06F13/10

CPC classification number: G06F13/102 ,  G06F2213/40

Abstract: An object of the present invention is to provide a technology that enables second control software to continue processing using a peripheral circuit even in a situation where an abnormality related to first control software occurs. An electronic control device includes a memory (3) that stores the first control software and the second control software, a CPU (1) that executes the first control software and the second control software, and a peripheral circuit (200) used by the first control software and the second control software. The memory further includes a first buffer (313a) and a second buffer (323a). The CPU interrupts at least one of the processing of storing first peripheral transmission information in the first buffer and the processing of transmitting the first peripheral transmission information to the peripheral in a specific situation in which the abnormality related to the first control software occurs.

公开(公告)号：US20230222050A1

公开(公告)日：2023-07-13

申请号：US18009896

申请日：2021-06-10

Applicant: HITACHI ASTEMO, LTD.

Inventor： Tasuku ISHIGOOKA ,  Kazuyoshi SERIZAWA

IPC: G06F11/36 ,  B60R16/023

CPC classification number: G06F11/368 ,  G06F11/3692 ,  B60R16/0231

Abstract: A vehicle control device includes a verification management unit that executes old control software unit 112 representing an old version of control software and new control software unit 113 representing a new version of control software in sequence or in parallel, and an output verification unit that when an output value from old control software unit 112 and an output value from new control software unit 113 do not match, outputs information indicating the output values' not matching.

公开(公告)号：US20220035954A1

公开(公告)日：2022-02-03

申请号：US17290456

申请日：2019-10-16

Applicant: Hitachi Astemo, Ltd.

Inventor： Hiroki MAEHAMA ,  Fumio NARISAWA ,  Satoshi OTSUKA ,  Kazuyoshi SERIZAWA

IPC: G06F21/70 ,  G06F8/20

Abstract: The present invention provides a software management device capable of converting a term used in a model and an abstraction level thereof. A software management device 1 includes: an input unit 2 that inputs a target model; a storage unit 3 that hierarchically stores functions and/or names constituting the model; and an in-model name replacement unit 6 that selects a corresponding function and/or name from the storage unit 3 according to the input model input from the input unit 2, and replaces a function and/or a name in the input model with the selected function and/or name.

公开(公告)号：US20240416936A1

公开(公告)日：2024-12-19

申请号：US18698503

申请日：2021-11-09

Applicant: Hitachi Astemo, Ltd.

Inventor： Ryo TSUCHIYA ,  Takeshi SETA ,  Kazuyoshi SERIZAWA

IPC: B60W50/06

Abstract: This electronic control device comprises a first priority information table which is provided for each of a plurality of area electronic devices and to which priorities of the area electronic devices from which information is to be acquired are set, and a control unit which refers to the first priority information table when the control unit has determined, from an outside situation of a vehicle, that a state of the vehicle is to change, determines the area electronic device the priority of which is to be changed according to the state of the vehicle to change, instructs the determined area electronic device to change the priority, and acquires, from the area electronic device to which the change in priority is instructed, information the priority of which has been changed so as to have a higher priority.