ROAD SURFACE EVALUATION APPARATUS
    1.
    发明公开

    公开(公告)号:US20240308527A1

    公开(公告)日:2024-09-19

    申请号:US18602019

    申请日:2024-03-12

    Abstract: A road surface evaluation apparatus includes a microprocessor is configured to perform: acquiring as driving information of a plurality of vehicles, position information of the plurality of vehicles, acceleration information indicating acceleration of the plurality of vehicles and map information of a predetermined road; calculating a degree of stability of a driving behavior of each of the plurality of vehicles based on the driving information when the plurality of vehicles drove on the predetermined road in a past; selecting a group of vehicles to be evaluated from among vehicles whose degree of stability is equal to or greater than a predetermined degree; evaluating a roughness of a road surface of the predetermined road based on the driving information of the group of vehicles; and outputting information on the roughness evaluated in the evaluating in association with the information of the predetermined road.

    ROAD SURFACE EVALUATION APPARATUS AND ROAD SURFACE EVALUATION METHOD

    公开(公告)号:US20230243113A1

    公开(公告)日:2023-08-03

    申请号:US17927206

    申请日:2021-05-19

    CPC classification number: E01C23/01 G01B21/30

    Abstract: A road surface evaluation apparatus including a microprocessor. The microprocessor is configured to perform acquiring driving information (including information indicating a motion of a vehicle while driving and position information of the vehicle, map information including information on a road on which the vehicle is traveling, and vehicle information including unique information of the vehicle), deriving a roughness value indicating a roughness of a road surface of the road on which the vehicle is traveling based on the driving information, correcting the roughness value based on the vehicle information, and outputting the corrected roughness value in association with the road information.

    INFORMATION NOTIFICATION DEVICE, INFORMATION NOTIFICATION SYSTEM, INFORMATION NOTIFICATION METHOD, AND INFORMATION NOTIFICATION PROGRAM
    3.
    发明申请
    INFORMATION NOTIFICATION DEVICE, INFORMATION NOTIFICATION SYSTEM, INFORMATION NOTIFICATION METHOD, AND INFORMATION NOTIFICATION PROGRAM 审中-公开
    信息通知装置,信息通报系统,信息通知方法和信息通知程序

    公开(公告)号:US20160253905A1

    公开(公告)日:2016-09-01

    申请号:US15032955

    申请日:2014-10-31

    CPC classification number: G08G1/162 G08G1/163 H04W4/046 H04W4/48

    Abstract: Provided is an information notification device (10) utilizing presence information which includes a processing unit (11) to generate, according to trigger information, at least one presence information (MESSAGE 10, MESSAGE 20, MESSAGE 30) between a first moving body (a four-wheeled vehicle (200)), and a second moving body (a two-wheeled vehicle (300) or a riding electric cart (300)), and a transmitting unit (16) which transmits the presence information to both of the four-wheeled vehicle (200) and the two-wheeled vehicle or the electric cart (300). The presence information is, for example, first presence information (MESSAGE 20) and second presence information (MESSAGE 30). The second presence information (MESSAGE 30) can cause a second processing unit (31) of the electric cart (300) to identify another presence information (34-5) representing the presence of the four-wheeled vehicle (200) around the electric cart (300) based on the second presence information (MESSAGE 30).

    Abstract translation: 提供一种使用存在信息的信息通知装置(10),其包括处理单元(11),用于根据触发信息,在第一移动体(1)和第二移动体(1)之间生成至少一个存在信息(MESSAGE 10,MESSAGE 20,MESSAGE 30) 四轮车辆(200))和第二移动体(两轮车辆(300)或乘坐电动车(300)),以及发送单元(16),其将存在信息发送到四方 车轮(200)和两轮车或电动车(300)。 存在信息例如是第一存在信息(MESSAGE 20)和第二存在信息(MESSAGE 30)。 第二存在信息(MESSAGE 30)可以导致电动车(300)的第二处理单元(31)识别代表电动车周围四轮车辆(200)的存在的另一存在信息(34-5) (300),基于第二存在信息(MESSAGE 30)。

    Road surface evaluation apparatus and road surface evaluation method

    公开(公告)号:US12196577B2

    公开(公告)日:2025-01-14

    申请号:US18015327

    申请日:2021-07-02

    Abstract: A road surface evaluation apparatus includes a microprocessor and a memory connected to the microprocessor. The microprocessor is configured to perform: acquiring vehicle information including information indicating a motion of a vehicle while traveling and position information of the vehicle and map information including information on a road on which the vehicle is traveling, deriving roughness information indicating a roughness of road surface and a reliability of the roughness information based on the vehicle information, and outputting the roughness information and the reliability in association with the information on the road.

    ROAD SURFACE EVALUATION APPARATUS
    5.
    发明公开

    公开(公告)号:US20240310168A1

    公开(公告)日:2024-09-19

    申请号:US18602020

    申请日:2024-03-12

    CPC classification number: G01C7/04 G01C21/3822

    Abstract: A road surface evaluation apparatus includes a microprocessor is configured to perform: calculating a roughness value of road surface corresponding to a predetermined period based on driving information of the plurality of vehicles during the predetermined period; and outputting roughness information including the roughness value. The microprocessor is configured to further perform, when calculating the roughness value corresponding to a second predetermined period, estimating whether a magnitude of a change rate of the roughness value corresponding to the second predetermined period with respect to the roughness value corresponding to a first predetermined period exceeds a predetermined threshold to acquire, when the magnitude is estimated to exceed the predetermined threshold, more pieces of the driving information to be used for calculating the roughness value corresponding to the second predetermined period than when the magnitude is estimated to be equal to or less than the predetermined threshold.

    Communication system
    6.
    发明授权

    公开(公告)号:US11335186B2

    公开(公告)日:2022-05-17

    申请号:US16827978

    申请日:2020-03-24

    Abstract: A communication system includes an information acquisition unit that acquires information (road information), a type identifying unit that identifies the type of the information acquired by the information acquisition unit, a storage unit (vehicle storage unit, server storage unit) that stores relationship information that associates the type of the information with the transmission direction of the information, and a direction identifying unit that identifies the transmission direction of the information acquired by the information acquisition unit based on the identification result by the type identifying unit and the relationship information stored in the storage unit (vehicle storage unit, server storage unit).

    ROAD MANAGEMENT APPARATUS AND ROAD MANAGEMENT METHOD

    公开(公告)号:US20230206750A1

    公开(公告)日:2023-06-29

    申请号:US18088072

    申请日:2022-12-23

    CPC classification number: G08G1/0112 G08G1/052 G08G1/20 G08G1/0125

    Abstract: A road management apparatus including a communication unit and a microprocessor. The microprocessor is configured to perform acquiring detection information via the communication unit, the detection information being information from a detection device mounted on each vehicle, and estimating a traveling lane on which each vehicle travels based on the detection information. The memory stores driving information including at least one of vehicle speed information and operation information of a direction indicator in association with the traveling lane, the driving information being obtained from the detection information acquired in each of a first period and a second period earlier than the first period. The microprocessor is configured to further perform estimating an occurrence of an abnormality on a road in the first period, in accordance with a degree of divergence between the driving information in the first period and the second period stored in the memory.

    LANE ESTIMATION APPARATUS AND LANE ESTIMATION METHOD

    公开(公告)号:US20230184555A1

    公开(公告)日:2023-06-15

    申请号:US17926618

    申请日:2021-04-28

    CPC classification number: G01C21/28 G01C21/3848 G01C21/3815 G01C21/3885

    Abstract: A lane estimation apparatus including a microprocessor. The microprocessor is configured to perform determining whether a precision of positioning is equal to or larger than a predetermined value based on precision information, identifying a traveling lane based on position information and road map information when it is determined that the precision of positioning is equal to or larger than the predetermined value, then when it is determined that the precision of positioning is smaller than the predetermined value, determining whether a lane change has been made from the traveling lane identified when it has been determined that the precision of positioning is equal to or larger than the predetermined value, based on driving information and information on a road surface profile included in the road map information, and identifying the traveling lane in accordance with a determination result.

    Information acquisition apparatus
    10.
    发明授权

    公开(公告)号:US11341755B2

    公开(公告)日:2022-05-24

    申请号:US16832582

    申请日:2020-03-27

    Abstract: An information acquisition apparatus provided in a moving object (vehicle) that moves on a road includes: a storage unit that records therein information about the road that is acquired based on movement of the moving object on the road; a determination unit that determines the type of the road on which the moving object moves and determines whether the road is of a predetermined type defined in association with the type of the moving object; and an identifying unit that identifies the information about the road acquired based on the movement of the moving object on the road of the predetermined type and recorded in the storage unit.

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