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    • 11. 发明授权
    • Position estimation device and position estimation method
    • 位置估计装置和位置估计方法
    • US09057781B2
    • 2015-06-16
    • US13029570
    • 2011-02-17
    • Mikio BandoToshiyuki AokiTomoaki HirutaTakayoshi YokotaHiroyuki KohidaKazuhiro OkadaZhixing Liu
    • Mikio BandoToshiyuki AokiTomoaki HirutaTakayoshi YokotaHiroyuki KohidaKazuhiro OkadaZhixing Liu
    • G06F17/10G01S19/40G01S19/49
    • G01S19/49G01S19/40
    • A position estimation device includes: a mathematical expression model processing unit that calculates a position of a mobile object, a condition quantity indicating a moving condition of the mobile object and an error in the condition quantity through filtering processing executed by using a probability model based upon an attitude information and a positioning information of the mobile object having been obtained from sensors and a specific mathematical expression model among a plurality of mathematical expression models expressing behavior of the mobile object; a threshold calculation unit that calculates a threshold candidate value for a threshold value to be used as a criterion when selecting the specific mathematical expression model, by using the error; a threshold value determining unit that determines the threshold value based upon the threshold candidate value; and a mathematical expression model selection unit that selects the specific mathematical expression model based upon the threshold value.
    • 位置估计装置包括:数学表达式模型处理单元,其通过使用基于以下的概率模型执行的滤波处理来计算移动体的位置,表示移动体的移动状态的状态量和状态量的误差 已经从表示该移动体的行为的多个数学表达式模型中的传感器和特定数学表达式模型获得了移动对象的姿态信息和定位信息; 阈值计算单元,其通过使用所述误差来计算在选择所述特定数学表达式模型时用作准则的阈值的阈值候选值; 阈值确定单元,其基于所述阈值候选值来确定所述阈值; 以及基于所述阈值选择所述特定数学表达式模型的数学表达式模型选择单元。
    • 12. 发明申请
    • POSITION DETECTION APPARATUS AND POSITION DETECTION PROGRAM
    • 位置检测装置和位置检测程序
    • US20100324815A1
    • 2010-12-23
    • US12818435
    • 2010-06-18
    • Tomoaki HIRUTAToshiyuki AokiTakayoshi YokotaMikio BandoKazuhiro Okada
    • Tomoaki HIRUTAToshiyuki AokiTakayoshi YokotaMikio BandoKazuhiro Okada
    • G01C21/26
    • G01C21/30
    • A position detection apparatus includes a storage unit for storing map information including road information; a detection unit for detecting information for calculating an absolute position of a moving object; a position calculation unit for calculating the absolute position of the moving object and an error variance relating to an error of the moving object from the detected information; a read-out unit for reading out from the storage unit the road information of a road relating to the calculated absolute position; an existence probability calculation unit for calculating an existence probability of the moving object existing on the road from the absolute position, the error variance, and the read-out road information; a selection unit for selecting a position whose existence probability is maximum out of the calculated existence probability; and a map-matching processing unit for making the selected position a position of the moving object on the road.
    • 位置检测装置包括:存储单元,用于存储包括道路信息的地图信息; 检测单元,用于检测用于计算移动物体的绝对位置的信息; 位置计算单元,用于根据检测到的信息计算移动物体的绝对位置和与移动物体的误差有关的误差方差; 读出单元,用于从存储单元读出与所计算的绝对位置相关的道路的道路信息; 存在概率计算单元,用于从绝对位置,误差变化和读出道路信息计算存在于道路上的移动物体的存在概率; 选择单元,用于从所计算的存在概率中选择存在概率最大的位置; 以及地图匹配处理单元,用于使所选择的位置在道路上移动物体的位置。
    • 14. 发明授权
    • Position detection apparatus and position detection program
    • 位置检测装置和位置检测程序
    • US08301369B2
    • 2012-10-30
    • US12818435
    • 2010-06-18
    • Tomoaki HirutaToshiyuki AokiTakayoshi YokotaMikio BandoKazuhiro Okada
    • Tomoaki HirutaToshiyuki AokiTakayoshi YokotaMikio BandoKazuhiro Okada
    • G01C21/00
    • G01C21/30
    • A position detection apparatus includes a storage unit for storing map information including road information; a detection unit for detecting information for calculating an absolute position of a moving object; a position calculation unit for calculating the absolute position of the moving object and an error variance relating to an error of the moving object from the detected information; a read-out unit for reading out from the storage unit the road information of a road relating to the calculated absolute position; an existence probability calculation unit for calculating an existence probability of the moving object existing on the road from the absolute position, the error variance, and the read-out road information; a selection unit for selecting a position whose existence probability is maximum out of the calculated existence probability; and a map-matching processing unit for making the selected position a position of the moving object on the road.
    • 位置检测装置包括:存储单元,用于存储包括道路信息的地图信息; 检测单元,用于检测用于计算移动物体的绝对位置的信息; 位置计算单元,用于根据检测到的信息计算移动物体的绝对位置和与移动物体的误差有关的误差方差; 读出单元,用于从存储单元读出与所计算的绝对位置相关的道路的道路信息; 存在概率计算单元,用于从绝对位置,误差变化和读出道路信息计算存在于道路上的移动物体的存在概率; 选择单元,用于从所计算的存在概率中选择存在概率最大的位置; 以及地图匹配处理单元,用于使所选择的位置在道路上移动物体的位置。
    • 16. 发明授权
    • Navigation device and lane guide method
    • 导航装置和导航方法
    • US08060303B2
    • 2011-11-15
    • US12174834
    • 2008-07-17
    • Mikio BandoMasao Sakata
    • Mikio BandoMasao Sakata
    • G08G1/0968G01C21/36
    • G01C21/36G08G1/096716G08G1/096758G08G1/096775G08G1/096791G08G1/096827G08G1/096844G08G1/096861G08G1/167
    • A vehicle is guided to a lane that the vehicle should run, even if map data do not include lane information of a tollgate.A navigation processing part 100 makes a vehicle running path calculation part 112 calculate a running path of the vehicle from a point of a prescribed distance from the tollgate until an ETC receipt signal receiving part 114 receives an ETC receipt signal. Then, the navigation processing part 100 calculates an approximate position of an ETC lane on the basis of the running path, and accumulates the calculated approximate position in a storage unit. Further, when the vehicle approaches to the tollgate within a prescribed distance from the tollgate, the navigation processing part 100 obtains the approximate position of the ETC lane of the tollgate from the storage unit, and displays the approximate position through a display processing part 106, to guide the user to the ETC lane.
    • 即使地图数据不包括收费站的车道信息,车辆也被引导到车辆应该行驶的车道。 导航处理部100使车辆行驶路径计算部112从收费站的规定距离的点算出车辆的行驶路径,直到ETC接收信号接收部114接收到ETC接收信号。 然后,导航处理部100基于运行路径计算ETC车道的近似位置,并将计算出的近似位置累加在存储部中。 此外,当车辆从收费站接近收费站一定距离时,导航处理部分100从存储单元获取收费站的ETC车道的大致位置,并通过显示处理部分106显示大致位置, 引导用户到ETC车道。