QUANTUM PROGRAM COMPILATION METHOD AND QUANTUM PROGRAM COMPILATION APPARATUS

    公开(公告)号:US20240354621A1

    公开(公告)日:2024-10-24

    申请号:US18376696

    申请日:2023-10-04

    Applicant: Hitachi, Ltd.

    CPC classification number: G06N10/40

    Abstract: A quantum program compilation apparatus stores, in a storage device, information regarding a node topology representing a connection relationship between nodes on which a quantum bit is formed and information regarding a control operation that can be performed in a predetermined region of the node topology, and generates, for a quantum program described by a combination of control operations on the quantum bit, a procedure of a movement operation on the quantum bit according to the connection relationship as a procedure of executing the control operation of the quantum program in a predetermined region in the node topology on the basis of each piece of information of the node topology and the control operation.

    RISK ANALYSIS SUPPORT DEVICE, RISK ANALYSIS SUPPORT METHOD, AND RISK ANALYSIS SUPPORT PROGRAM

    公开(公告)号:US20200034724A1

    公开(公告)日:2020-01-30

    申请号:US16513759

    申请日:2019-07-17

    Applicant: Hitachi, Ltd.

    Abstract: A risk analysis support device that performs risk analysis with a short analysis time includes: a control structure diagram input unit which receives an input of a risk analysis target represented in a form of a control structure diagram that represents the risk analysis target by a block and a control showing a relationship between a block executing control and a passive block controlled by the block. A control loop search is performed in a database for a similar control structure diagram including a subset of controls that matches or is similar to a subset of controls extracted from the control structure diagram input by the input unit and acquires from the database a hazard scenario including a node having a correspondence relationship with a subset of controls included in the similar control structure diagram. A recommendation output unit outputs the acquired hazard scenario in a tree structure.

    VEHICLE OPTIMIZING SYSTEM AND VEHICLE OPTIMIZING

    公开(公告)号:US20210063197A1

    公开(公告)日:2021-03-04

    申请号:US16957841

    申请日:2018-12-05

    Applicant: HITACHI, LTD.

    Abstract: Provided are a route information storage DB in which route information indicating a travel route for a vehicle is saved, a maintenance information storage DB in which maintenance information regarding maintenance of the vehicle is saved, an environment information storage DB in which environment information regarding the route is saved, a program storage DB in which a program to be used in the vehicle is saved, a computation unit that executes, based on the route information, the maintenance information, and the environment information, computing of evaluation indexes regarding optimization of travel control of the vehicle for respective cases each obtained by making a change in a program-parameter combination for the vehicle, and that determines a program-parameter combination which provides an optimal result among the computed results, and a communication unit that transmits, to the vehicle, the program-parameter combination determined by the computation unit.

    MOVING OBJECT CONTROL SYSTEM AND MOVING OBJECT CONTROL METHOD

    公开(公告)号:US20200023857A1

    公开(公告)日:2020-01-23

    申请号:US16483721

    申请日:2018-05-23

    Applicant: Hitachi, Ltd.

    Abstract: A device to be controlled used for an operation of a vehicle, a determination device used for controlling the device, and a control information management device different from the determination device are included. The determination device generates control information defining a control content of the device to be controlled, the control information management device includes a control information comparison unit which determines an operating state of the determination device based on the control information, and a control switching unit which changes the control of the determination device based on a determination result of the control information comparison unit, and the control information comparison unit determines, based on the control information and a plurality of pieces of control condition information which define control conditions of the device to be controlled by the determination device, which control condition information among the plurality of pieces of control condition information is to be applied.

    COMMUNICATION DEVICE AND COMMUNICATION SYSTEM
    5.
    发明申请
    COMMUNICATION DEVICE AND COMMUNICATION SYSTEM 审中-公开
    通信设备和通信系统

    公开(公告)号:US20150341272A1

    公开(公告)日:2015-11-26

    申请号:US14715805

    申请日:2015-05-19

    Applicant: HITACHI, LTD.

    Abstract: When a proxy device is used between a transmission terminal and a reception terminal, receives final data from the transmission terminal, and fails immediately thereafter, a situation is avoided where transmission is completed in the transmission terminal, but reception is not completed in the reception terminal. There is provided a means for not returning ACK when a data packet is received in a state in which there is no data which waits for ACK and transmission of which is in progress, and there is no data which waits for arrangement and reception of which is in progress in the proxy device, for returning ACK for data received one step before when a data packet is received in a state in which there is data which waits for ACK and transmission of which is in progress, or there is data which waits for arrangement and reception of which is in progress.

    Abstract translation: 当在发送终端和接收终端之间使用代理设备时,从发送终端接收最终数据,并且立即失败,避免在发送终端中完成发送但在接收终端中未完成接收的情况 。 提供了一种在不存在等待ACK并且其发送正在进行的数据的状态下接收到数据分组时不返回ACK的装置,并且没有等待其布置和接收的数据是 在代理设备中正在进行中,用于在数据包被接收到一个数据包时接收到的数据的ACK返回ACK,其中存在等待ACK和正在进行的传输的数据的状态,或者存在等待布置的数据 并正在接收接收。

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