-
公开(公告)号：US08339310B2
公开(公告)日：2012-12-25
申请号：US12832654
申请日：2010-07-08
CPC分类号： G01S19/48
摘要： A positioning method includes: executing a first positioning mode or a second positioning mode, a first positioning process that is performed using a least-square method based on a positioning signal and a second positioning process that is performed using a Kalman filter based on the positioning signal utilizing a positioning result obtained by the first positioning process as a base value being performed in the first positioning mode, and the second positioning process being further performed in the second positioning mode utilizing a positioning result obtained by the second positioning process as a base value; determining accuracy of a positioning result obtained by the second positioning process performed in the executed positioning mode; and changing the positioning mode to be executed to the first positioning mode or the second positioning mode corresponding to the accuracy.
摘要翻译： 一种定位方法包括：执行第一定位模式或第二定位模式，使用基于定位信号的最小二乘法执行的第一定位处理和使用基于定位的卡尔曼滤波器执行的第二定位处理 信号利用通过第一定位处理获得的定位结果作为在第一定位模式中执行的基值，并且利用通过第二定位处理获得的定位结果作为基值在第二定位模式中进一步执行第二定位处理 ; 确定通过在执行的定位模式中执行的第二定位处理获得的定位结果的精度; 以及将要执行的定位模式改变为与精度相对应的第一定位模式或第二定位模式。
-
公开(公告)号：US07777673B2
公开(公告)日：2010-08-17
申请号：US12324493
申请日：2008-11-26
IPC分类号： G01S1/02
CPC分类号： G01S19/48
摘要： A positioning method includes: executing a first positioning mode or a second positioning mode, a first positioning process that is performed using a least-square method based on a positioning signal and a second positioning process that is performed using a Kalman filter based on the positioning signal utilizing a positioning result obtained by the first positioning process as a base value being performed in the first positioning mode, and the second positioning process being further performed in the second positioning mode utilizing a positioning result obtained by the second positioning process as a base value; determining accuracy of a positioning result obtained by the second positioning process performed in the executed positioning mode; and changing the positioning mode to be executed to the first positioning mode or the second positioning mode corresponding to the accuracy.
摘要翻译： 一种定位方法包括：执行第一定位模式或第二定位模式，使用基于定位信号的最小二乘法执行的第一定位处理和使用基于定位的卡尔曼滤波器执行的第二定位处理 信号利用通过第一定位处理获得的定位结果作为在第一定位模式中执行的基值，并且利用通过第二定位处理获得的定位结果作为基值在第二定位模式中进一步执行第二定位处理 ; 确定通过在执行的定位模式中执行的第二定位处理获得的定位结果的精度; 以及将要执行的定位模式改变为与精度相对应的第一定位模式或第二定位模式。
-
3.发明授权Positioning device, method of controlling positioning device, and recording medium 失效定位装置，定位装置的控制方法和记录介质公开(公告)号：US07557750B2
公开(公告)日：2009-07-07
申请号：US11882734
申请日：2007-08-03
CPC分类号： G01S19/42
摘要： A positioning device includes an estimated height storage section which stores an estimated height H1, a signal reception section which receives a satellite signal which is a signal from a satellite positioning system (SPS) satellite, a two-dimensional height calculation section which calculates a two-dimensional height H2c by two-dimensional positioning using the estimated height H1, a three-dimensional height calculation section which calculates a three-dimensional height H2b by preliminary three-dimensional positioning during two-dimensional positioning, a height selection section which selects the two-dimensional height H2b or the three-dimensional height H2c in order to update the estimated height H1, and an updating section which updates the estimated height H1 with the two-dimensional height H2b or the three-dimensional height H2c selected by the height selection section.
摘要翻译： 定位装置包括估计高度存储部分，其估计高度H1，接收来自卫星定位系统（SPS）卫星的信号的卫星信号的信号接收部分，二维高度计算部分，其计算二 通过使用估计高度H1的二维定位的三维高度H2c，三维高度计算部，其通过二维定位期间的初步三维定位来计算三维高度H2b;高度选择部，其选择两个 为了更新估计高度H1，维度高度H2b或三维高度H2c，以及更新部分，其更新由高度选择部分选择的二维高度H2b或三维高度H2c的估计高度H1 。
-
4.发明申请Positioning device, method of controlling positioning device, and recording medium 失效定位装置，定位装置的控制方法和记录介质公开(公告)号：US20080051999A1
公开(公告)日：2008-02-28
申请号：US11882734
申请日：2007-08-03
CPC分类号： G01S19/42
摘要： A positioning device includes an estimated height storage section which stores an estimated height H1, a signal reception section which receives a satellite signal which is a signal from a satellite positioning system (SPS) satellite, a two-dimensional height calculation section which calculates a two-dimensional height H2c by two-dimensional positioning using the estimated height H1, a three-dimensional height calculation section which calculates a three-dimensional height H2b by preliminary three-dimensional positioning during two-dimensional positioning, a height selection section which selects the two-dimensional height H2b or the three-dimensional height H2c in order to update the estimated height H1, and an updating section which updates the estimated height H1 with the two-dimensional height H2b or the three-dimensional height H2c selected by the height selection section.
摘要翻译： 定位装置包括：估计高度存储部，其存储估计高度H 1;信号接收部，其接收来自卫星定位系统（SPS）卫星的信号的卫星信号;二维高度计算部， 通过使用估计高度H 1的二维定位的二维高度H 2 c，通过二维定位期间的初步三维定位来计算三维高度H 2 b的三维高度计算部， 选择二维高度H 2 b或三维高度H 2 c以更新估计高度H 1的选择部分，以及用二维高度H 2更新估计高度H 1的更新部分 b或由高度选择部选择的三维高度H 2 c。
-
5.发明授权Positioning method, computer program, positioning device, and electronic apparatus 有权定位方法，计算机程序，定位装置和电子装置公开(公告)号：US07961146B2
公开(公告)日：2011-06-14
申请号：US12338424
申请日：2008-12-18
申请人： Yoshiyuki Muraguchi
发明人： Yoshiyuki Muraguchi
摘要： A positioning method in a positioning device that calculates a location of the positioning device by executing Kalman filtering includes, acquiring a satellite signal from a positioning satellite; predicting a state vector including a velocity component of the positioning device, and error covariance of the state vector; correcting the velocity component using a difference between a measured value and a predicted value of the reception signal frequency from the positioning satellite; determining accuracy of the corrected velocity component based on the error covariance; setting a velocity condition based on the determined accuracy; judging a moving state of the positioning device by comparing the corrected velocity component and the velocity condition; and calculating the location by executing the Kalman filtering with a filter characteristic changed according to the judged moving state.
摘要翻译： 通过执行卡尔曼滤波来计算定位装置的位置的定位装置中的定位方法包括：从定位卫星获取卫星信号; 预测包括定位装置的速度分量的状态矢量和状态矢量的误差协方差; 使用来自定位卫星的测量值和接收信号频率的预测值之间的差校正速度分量; 基于误差协方差确定校正速度分量的精度; 根据确定的精度设置速度条件; 通过比较校正的速度分量和速度条件来判断定位装置的移动状态; 以及通过执行根据所判断的移动状态改变的滤波器特性的卡尔曼滤波来计算位置。
-
公开(公告)号：US08085197B2
公开(公告)日：2011-12-27
申请号：US12634545
申请日：2009-12-09
申请人： Kumar Anand , Yoshiyuki Muraguchi
发明人： Kumar Anand , Yoshiyuki Muraguchi
IPC分类号： G01S19/37
CPC分类号： G01S19/47
摘要： A position calculating method includes: executing position calculation processing using a plurality of Kalman filter processing, which is processing corresponding to each of a plurality of power spectral density groups classified by performing in advance frequency analysis on the movement acceleration of a movable body as an object of position calculation and which includes an error parameter set to a different value according to the power spectral density group and a parameter indicating that the movable body is in a uniform motion state, on the basis of a satellite signal from a positioning satellite; and determining the position of the movable body using a position calculated by each Kalman filter processing.
摘要翻译： 位置计算方法包括：使用多个卡尔曼滤波处理来执行位置计算处理，所述多个卡尔曼滤波处理是对应于通过对作为对象的可移动体的移动加速度进行预先频率分析而分类的多个功率谱密度组中的每一个的处理 并且根据来自定位卫星的卫星信号，包括根据功率谱密度组设置为不同值的误差参数和指示可移动体处于均匀运动状态的参数; 以及使用由每个卡尔曼滤波处理计算的位置来确定可移动体的位置。
-
7.发明申请POSITIONING METHOD, COMPUTER PROGRAM, POSITIONING DEVICE, AND ELECTRONIC APPARATUS 有权定位方法，计算机程序，定位装置和电子装置公开(公告)号：US20090167603A1
公开(公告)日：2009-07-02
申请号：US12338424
申请日：2008-12-18
申请人： Yoshiyuki Muraguchi
发明人： Yoshiyuki Muraguchi
IPC分类号： G01S1/00
摘要： A positioning method in a positioning device that calculates a location of the positioning device by executing Kalman filtering includes, acquiring a satellite signal from a positioning satellite; predicting a state vector including a velocity component of the positioning device, and error covariance of the state vector; correcting the velocity component using a difference between a measured value and a predicted value of the reception signal frequency from the positioning satellite; determining accuracy of the corrected velocity component based on the error covariance; setting a velocity condition based on the determined accuracy; judging a moving state of the positioning device by comparing the corrected velocity component and the velocity condition; and calculating the location by executing the Kalman filtering with a filter characteristic changed according to the judged moving state.
摘要翻译： 通过执行卡尔曼滤波来计算定位装置的位置的定位装置中的定位方法包括：从定位卫星获取卫星信号; 预测包括定位装置的速度分量的状态矢量和状态矢量的误差协方差; 使用来自定位卫星的测量值和接收信号频率的预测值之间的差校正速度分量; 基于误差协方差确定校正速度分量的精度; 根据确定的精度设置速度条件; 通过比较校正的速度分量和速度条件来判断定位装置的移动状态; 以及通过执行根据所判断的移动状态改变的滤波器特性的卡尔曼滤波来计算位置。
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.02 秒)
