公开(公告)号：US08384589B2

公开(公告)日：2013-02-26

申请号：US12913987

申请日：2010-10-28

申请人： Yuusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

发明人： Yuusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

IPC分类号： G01S19/40

CPC分类号： G01S19/40 ,  G01S19/52

摘要： A positioning apparatus includes: a first positioning device for calculating a reception position of a GPS receiver with respect to each combination of satellites based on a pseudo distance from each positioning satellite to the reception position; a component error calculator for calculating an error of at least one component in a calculation result of the first positioning device; a pseudo distance error calculator for obtaining a relation equation between the error of the at least one component and an error of the pseudo distance, and for solving simultaneous equations comprising the relation equation so that the error of the pseudo distance with respect to each positioning satellite is calculated; and a second positioning device for correcting the reception position based on the error of the pseudo distance.

摘要翻译： 一种定位装置，包括：第一定位装置，用于基于从每个定位卫星到接收位置的伪距离，计算GPS接收机相对于卫星组合的接收位置; 用于计算第一定位装置的计算结果中的至少一个分量的误差的分量误差计算器; 伪距离误差计算器，用于获得所述至少一个分量的误差与所述伪距离的误差之间的关系方程，并且用于求解包括关系式的联立方程，使得相对于每个定位卫星的伪距离的误差 计算; 以及第二定位装置，用于基于伪距离的误差校正接收位置​​。

公开(公告)号：US20120105271A1

公开(公告)日：2012-05-03

申请号：US13285061

申请日：2011-10-31

申请人： Yusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

发明人： Yusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

IPC分类号： G01S19/21

CPC分类号： G01S19/21 ,  G01S19/47

摘要： A vehicle direction estimation section estimates an absolute direction of a heading direction of a vehicle based on GPS information and vehicle information. A satellite direction estimation section estimates an absolute direction of a target satellite of several satellites for positioning based on corresponding GPS information, and estimates a relative direction of the target satellite with respect to the heading direction based on the estimated absolute direction of the heading direction and the estimated absolute direction of the target satellite. A shield determination section determines a shielded state of the target satellite by determining whether a signal strength of a satellite signal from the target satellite is greater than a threshold value relative to a target partition of several partitions into which a three-dimensional sphere with respect to the heading direction is divided, the target partition which the calculated relative direction of the target satellite belongs to.

摘要翻译： 车辆方向估计部基于GPS信息和车辆信息来推定车辆的行进方向的绝对方向。 卫星方向估计部基于相应的GPS信息来估计用于定位的若干卫星的目标卫星的绝对方向，并且基于估计的航向方向的绝对方向来估计目标卫星相对于航向方向的相对方向，以及 估计目标卫星的绝对方向。 屏蔽确定部通过确定来自目标卫星的卫星信号的信号强度是否相对于相对于相对于三维空间的三维球体的若干分区的目标分区来说大于阈值来确定目标卫星的屏蔽状态 航向方向被划分，目标卫星所计算的相对方向所属的目标分区。

公开(公告)号：US20110102252A1

公开(公告)日：2011-05-05

申请号：US12913987

申请日：2010-10-28

申请人： Yuusuke WATANABE ,  Tatsuya IWASE ,  Noriyoshi SUZUKI

发明人： Yuusuke WATANABE ,  Tatsuya IWASE ,  Noriyoshi SUZUKI

IPC分类号： G01S19/41

CPC分类号： G01S19/40 ,  G01S19/52

摘要： A positioning apparatus includes: a first positioning device for calculating a reception position of a GPS receiver with respect to each combination of satellites based on a pseudo distance from each positioning satellite to the reception position; a component error calculator for calculating an error of at least one component in a calculation result of the first positioning device; a pseudo distance error calculator for obtaining a relation equation between the error of the at least one component and an error of the pseudo distance, and for solving simultaneous equations comprising the relation equation so that the error of the pseudo distance with respect to each positioning satellite is calculated; and a second positioning device for correcting the reception position based on the error of the pseudo distance.

摘要翻译： 一种定位装置，包括：第一定位装置，用于基于从每个定位卫星到接收位置的伪距离，计算GPS接收机相对于卫星组合的接收位置; 用于计算第一定位装置的计算结果中的至少一个分量的误差的分量误差计算器; 伪距离误差计算器，用于获得所述至少一个分量的误差与所述伪距离的误差之间的关系方程，并且用于求解包括关系式的联立方程，使得相对于每个定位卫星的伪距离的误差 计算; 以及第二定位装置，用于基于伪距离的误差校正接收位置​​。

公开(公告)号：US08666716B2

公开(公告)日：2014-03-04

申请号：US12518755

申请日：2008-01-11

申请人： Takashi Yonekawa ,  Kazuya Sasaki ,  Masaaki Uechi ,  Masumi Kobana ,  Hironobu Kitaoka ,  Hiroko Mori ,  Tatsuya Iwase ,  Tetsuo Kurahashi

发明人： Takashi Yonekawa ,  Kazuya Sasaki ,  Masaaki Uechi ,  Masumi Kobana ,  Hironobu Kitaoka ,  Hiroko Mori ,  Tatsuya Iwase ,  Tetsuo Kurahashi

IPC分类号： G06G7/48

CPC分类号： G08G1/166 ,  G08G1/165

摘要： The present invention provides a traffic simulator which can simulate traffic conditions with high accuracy. Cautionary object searching portion searches for cautionary objects which a driver should heed when driving a vehicle model; recognized cautionary object selection portion and driver-recognized cautionary object selection portion, based on driver ability information set by data creation portion, select cautionary objects recognized by a driver from the found cautionary objects; and movement determination portion determines the movement of a vehicle model based on the selected cautionary objects.

摘要翻译： 本发明提供一种可以高精度模拟交通状况的交通模拟器。 警告对象搜索部分搜索司机在驾驶车辆模型时应注意的警戒对象; 基于由数据创建部设置的驾驶员能力信息，识别出的警告对象选择部分和驾驶员认可的警告对象选择部，从所发现的警告对象中选择驾驶员识别的警戒对象; 并且移动确定部分基于所选择的警告对象来确定车辆模型的移动。

公开(公告)号：US20110018763A1

公开(公告)日：2011-01-27

申请号：US12801872

申请日：2010-06-29

申请人： Yuusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

发明人： Yuusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

IPC分类号： G01S19/23

CPC分类号： G01S19/23 ,  G01S19/42

摘要： A GPS receiver outputs pseudo distances each containing a clock bias error. A clock bias and a reception position are calculated based on each of the outputted pseudo distances. A clock drift is calculated based on clock biases at past n points or Doppler information outputted from the GPS receiver. Based on the calculated clock drift, a reference clock bias is estimated using a regression equation or a Kalman filter. Thereby, a position-fix accuracy is evaluated appropriately, without needing external data, such as autonomous navigation information.

摘要翻译： GPS接收机输出每个包含时钟偏差误差的伪距离。 基于每个输出的伪距离来计算时钟偏置和接收位置。 基于过去n点的时钟偏差或从GPS接收机输出的多普勒信息来计算时钟漂移。 基于计算出的时钟漂移，使用回归方程或卡尔曼滤波器来估计参考时钟偏差。 因此，不需要诸如自主导航信息的外部数据，适当地评估定位精度。

公开(公告)号：US20100030541A1

公开(公告)日：2010-02-04

申请号：US12518755

申请日：2008-01-11

申请人： Takashi Yonekawa ,  Kazuya Sasaki ,  Masaaki Uechi ,  Masumi Kobana ,  Hironobu Kitaoka ,  Hiroko Mori ,  Tatsuya Iwase ,  Tetsuo Kurahashi

发明人： Takashi Yonekawa ,  Kazuya Sasaki ,  Masaaki Uechi ,  Masumi Kobana ,  Hironobu Kitaoka ,  Hiroko Mori ,  Tatsuya Iwase ,  Tetsuo Kurahashi

IPC分类号： G06G7/76 ,  G06G7/70

CPC分类号： G08G1/166 ,  G08G1/165

摘要： The present invention provides a traffic simulator which can simulate traffic conditions with high accuracy. Cautionary object searching portion searches for cautionary objects which a driver should heed when driving a vehicle model; recognized cautionary object selection portion and driver-recognized cautionary object selection portion, based on driver ability information set by data creation portion, select cautionary objects recognized by a driver from the found cautionary objects; and movement determination portion determines the movement of a vehicle model based on the selected cautionary objects.

摘要翻译： 本发明提供一种可以高精度模拟交通状况的交通模拟器。 警告对象搜索部分搜索司机在驾驶车辆模型时应注意的警戒对象; 基于由数据创建部设置的驾驶员能力信息，识别出的警告对象选择部分和驾驶员认可的警告对象选择部，从所发现的警告对象中选择驾驶员识别的警戒对象; 并且移动确定部分基于所选择的警告对象来确定车辆模型的移动。

公开(公告)号：US08749432B2

公开(公告)日：2014-06-10

申请号：US13285061

申请日：2011-10-31

申请人： Yusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

发明人： Yusuke Watanabe ,  Tatsuya Iwase ,  Noriyoshi Suzuki

IPC分类号： G01S19/28

CPC分类号： G01S19/21 ,  G01S19/47

摘要： A vehicle direction estimation section estimates an absolute direction of a heading direction of a vehicle based on GPS information and vehicle information. A satellite direction estimation section estimates an absolute direction of a target satellite of several satellites for positioning based on corresponding GPS information, and estimates a relative direction of the target satellite with respect to the heading direction based on the estimated absolute direction of the heading direction and the estimated absolute direction of the target satellite. A shield determination section determines a shielded state of the target satellite by determining whether a signal strength of a satellite signal from the target satellite is greater than a threshold value relative to a target partition of several partitions into which a three-dimensional sphere with respect to the heading direction is divided, the target partition which the calculated relative direction of the target satellite belongs to.

摘要翻译： 车辆方向估计部基于GPS信息和车辆信息来推定车辆的行进方向的绝对方向。 卫星方向估计部基于相应的GPS信息来估计用于定位的若干卫星的目标卫星的绝对方向，并且基于估计的航向方向的绝对方向来估计目标卫星相对于航向方向的相对方向，以及 估计目标卫星的绝对方向。 屏蔽确定部通过确定来自目标卫星的卫星信号的信号强度是否相对于相对于相对于三维空间的三维球体的若干分区的目标分区来说大于阈值来确定目标卫星的屏蔽状态 航向方向被划分，目标卫星所计算的相对方向所属的目标分区。