公开(公告)号：US20050065727A1

公开(公告)日：2005-03-24

申请号：US10946598

申请日：2004-09-20

Applicant: Guohui Hu ,  Ching-Fang Lin

Inventor： Guohui Hu ,  Ching-Fang Lin

IPC: G01C21/16 ,  G01C21/26 ,  G01C21/28 ,  G01C21/34 ,  G01C21/36 ,  G01S1/00 ,  G01S5/14 ,  G01S19/44 ,  G01S19/49 ,  G01S19/52 ,  G01S19/55

CPC classification number: G01C21/165 ,  G01S19/44 ,  G01S19/49 ,  G01S19/52 ,  G01S19/55

Abstract: The design of the low cost GPS/IMU positioning and data integrating method, which employs integrated global positioning system/inertial measurement unit enhanced with dual antenna GPS carrier phase measurements to initialize and stabilize the azimuth of the low cost GPS/IMU integrated system, is performed. The utilization of the raw carrier phase measurement for the integration speeds up the ambiguity search.

Abstract translation: 低成本GPS / IMU定位和数据集成方法的设计采用综合全球定位系统/惯性测量单元，采用双天线GPS载波相位测量，初始化和稳定低成本GPS / IMU集成系统的方位角，是 执行。 利用原始载波相位测量进行集成可加快模糊搜索。

公开(公告)号：US06795772B2

公开(公告)日：2004-09-21

申请号：US10179765

申请日：2002-06-24

Applicant: Ching-Fang Lin ,  Dong An

Inventor： Ching-Fang Lin ,  Dong An

IPC: G08G504

CPC classification number: G08G5/0008 ,  G08G5/0078

Abstract: A method and system for collision avoidance, carried by each aircraft, includes a miniature MEMS (MicroElectroMechanical Systems) IMU (Inertial Measurement Unit), a miniature GPS (Global Positioning System) receiver, a display, a data link receiver/transmitter, and a central processing system. Each aircraft carries a GPS receiver coupled with a self-contained miniature IMU for uninterrupted position determination. This position information is shared with other aircraft over an RF (Radio Frequency) data link. An intelligent display shows the relative positions of the aircraft in the immediate vicinity of the host aircraft and issues voice and flashing warnings if a collision hazard exists. This system provides situational awareness to the pilot and enhances the safety of flight.

Abstract translation: 每个飞机携带的用于防撞的方法和系统包括微型MEMS（微电子机械系统）IMU（惯性测量单元），微型GPS（全球定位系统）接收器，显示器，数据链接接收器/发射器和 中央处理系统。 每架飞机都携带一个GPS接收器，并配有独立的微型IMU，用于不间断的位置确定。 该位置信息通过RF（射频）数据链路与其他飞机共享​​。 智能显示屏显示飞机在主机附近的相对位置，如果存在碰撞危险，则发出声音和闪烁警告。 该系统为飞行员提供情境意识，提高飞行安全。

公开(公告)号：US06735523B1

公开(公告)日：2004-05-11

申请号：US09611568

申请日：2000-07-07

Applicant: Ching-Fang Lin ,  Jen-Hao Mao

Inventor： Ching-Fang Lin ,  Jen-Hao Mao

IPC: G01S502

CPC classification number: G01S19/23 ,  G01S19/44 ,  G01S19/47 ,  G01S19/53

Abstract: A coupled real-time GPS/IMU simulation method with differential GPS includes the steps of receiving real-time trajectory data from a 6DOF trajectory generator and generating GPS simulated measurements (rover and reference) and inertial measurement unit simulated electronic signals based on the real GPS models and IMU models, respectively, and injecting those simulated data into an on-board integrated GPS/INS (global positioning system/inertial navigation system). Therefore, the coupled real-time GPS/IMU simulation method with differential GPS can be applied to evaluate the performance of the integrated GPS/INS in the area of high accuracy positioning in addition to the regular evaluation (one receiver mode).

Abstract translation: 具有差分GPS的耦合实时GPS / IMU仿真方法包括从6DOF轨迹发生器接收实时轨迹数据并基于真实GPS生成GPS模拟测量（漫游器和参考）和惯性测量单元模拟电子信号的步骤 模型和IMU模型，并将这些模拟数据注入到车载集成GPS / INS（全球定位系统/惯性导航系统）中。 因此，除了定期评估（一种接收机模式）之外，还可以应用具有差分GPS的耦合实时GPS / IMU仿真方法来评估集成GPS / INS在高精度定位领域的性能。

公开(公告)号：US06725173B2

公开(公告)日：2004-04-20

申请号：US09946908

申请日：2001-09-04

Applicant: Dong An ,  Ching-Fang Lin

Inventor： Dong An ,  Ching-Fang Lin

IPC: G01S502

CPC classification number: G01V11/00

Abstract: The present invention provides a digital signal processing method and system thereof for producing precision platform orientation measurements and local Earth's magnetic measurements by measuring threes axes gravity acceleration digital signals by an acceleration producer, detecting Earth's magnetic field vector measurement by an Earth's magnetic field detector to achieve digital three-axes Earth's magnetic field vector signals, and producing pitch, roll, and heading angles using said three-axes gravity acceleration digital signals and said digital three-axes Earth magnetic field vector signals by a Digital Signal Processor (DSP) chipset.

Abstract translation: 本发明提供了一种数字信号处理方法及其系统，用于通过加速度生成器测量三轴重力加速度数字信号，通过地磁场检测器检测地球的磁场矢量测量，从而产生精确的平台定位测量和局部地磁测量，以实现 数字三轴地球磁场矢量信号，并通过数字信号处理器（DSP）芯片组使用所述三轴重力加速度数字信号和所述数字三轴接地磁场矢量信号产生俯仰角，俯仰角和方向角。

公开(公告)号：US06665438B1

公开(公告)日：2003-12-16

申请号：US09351349

申请日：1999-07-12

Applicant: Ching-Fang Lin

Inventor： Ching-Fang Lin

IPC: G06K946

CPC classification number: G06K9/0063 ,  G06K9/46 ,  G06K9/624

Abstract: An efficiently hybrid approach to exploit hyperspectral imagery and unmix spectral pixels. This hybrid approach uses a genetic algorithm to solve the abundance vector for the first pixel of a hyperspectral image cube. This abundance vector is used as initial state in a robust filter to derive the abundance estimate for the next pixel. By using Kalman filter, the abundance estimate for a pixel can be obtained in one iteration procedure which is much fast than genetic algorithm. The output of the robust filter is fed to genetic algorithm again to derive accurate abundance estimate for the current pixel. The using of robust filter solution as starting point of the genetic algorithm speeds up the evolution of the genetic algorithm. After obtaining the accurate abundance estimate, the procedure goes to next pixel, and uses the output of genetic algorithm as the previous state estimate to derive abundance estimate for this pixel using robust filter. And again use the genetic algorithm to derive accurate abundance estimate efficiently based on the robust filter solution. This iteration continues until pixels in a hyperspectral image cube end.

Abstract translation: 利用高光谱图像和混合光谱像素的高效混合方法。 该混合方法使用遗传算法来求解高光谱图像立方体的第一像素的丰度矢量。 该丰度矢量用作鲁棒滤波器中的初始状态，以导出下一个像素的丰度估计。 通过使用卡尔曼滤波器，可以在比遗传算法快得多的迭代过程中获得像素的丰度估计。 鲁棒滤波器的输出再次馈送到遗传算法，以导出当前像素的精确丰度估计。 使用鲁棒的滤波器解决方案作为遗传算法的起点，加快了遗传算法的演进。 在获得准确的丰度估计之后，该过程进入下一个像素，并使用遗传算法的输出作为先前的状态估计，以使用鲁棒滤波器来导出该像素的丰度估计。 并再次使用遗传算法基于鲁棒的滤波解决方案有效地导出精确的丰度估计。 此迭代继续，直到高光谱图像立方体中的像素结束。

公开(公告)号：US06639553B2

公开(公告)日：2003-10-28

申请号：US10194500

申请日：2002-07-13

Applicant: Ching-Fang Lin ,  Dong An

Inventor： Ching-Fang Lin ,  Dong An

IPC: G01S302

CPC classification number: G01C3/18 ,  G01C21/165 ,  G01S5/0284 ,  G01S5/04 ,  G01S5/16 ,  G01S11/12

Abstract: A passive/ranging/tracking processing method provides information from passive sensors and associated tracking control devices and GPS/IMU integrated navigation system, so as to produce three dimensional position and velocity information of a target. The passive/ranging/tracking processing method includes the procedure of producing two or more sets of direction measurements of a target with respect to a carrier, such as sets of elevation and azimuth angles, from two or more synchronized sets of passive sensors and associated tracking control devices, installed on different locations of the carrier, computing the range vector measurement of the target with respect to the carrier using the two or more sets of direction measurements, and filtering the range vector measurement to estimate the three-dimensional position and velocity information of the target.

Abstract translation: 无源/测距/跟踪处理方法提供来自无源传感器和相关跟踪控制设备以及GPS / IMU集成导航系统的信息，以产生目标的三维位置和速度信息。 无源/测距/跟踪处理方法包括从两个或更多个同步的无源传感器组和相关跟踪产生相对于载波的目标的两组或更多组方向测量的过程，例如高程和方位角的集合 控制装置，安装在载体的不同位置，使用两组或更多组方向测量计算目标相对于载体的距离矢量测量，并且对范围矢量测量进行滤波以估计三维位置和速度信息 的目标。

公开(公告)号：US06622090B2

公开(公告)日：2003-09-16

申请号：US09968410

申请日：2001-09-26

Applicant: Ching-Fang Lin

Inventor： Ching-Fang Lin

IPC: G01C2126

CPC classification number: G01S19/49 ,  G01C21/165

Abstract: The present invention relates generally to a geospatial database access and query method, and more particularly to a map and Inertial Measurement Unit/Global Positioning System (IMU/GPS) navigation process. With the location information provided by an IMU/GPS integrated system, the geospatial database operations, such as database access and query, are sped up. With the map data from a geospatial database, the navigation performance and accuracy are enhanced. The present invention also supports real time mapping by using IMU/GPS integrated system as the positioning sensor.

公开(公告)号：US06496778B1

公开(公告)日：2002-12-17

申请号：US09661587

申请日：2000-09-14

Applicant: Ching-Fang Lin

Inventor： Ching-Fang Lin

IPC: G01S502

CPC classification number: G01S19/47 ,  G01S19/215 ,  G01S19/26 ,  G01S19/41 ,  G01S19/55

Abstract: A real-time integrated vehicle positioning method and system with differential GPS can substantially solve the problems encountered in either the global positioning system-only or the inertial navigation system-only, such as loss of global positioning satellite signal, sensitivity to jamming and spoofing, and an inertial solution's drift over time. In the present invention, the velocity and acceleration from an inertial navigation processor of the integrated GPS/INS system are used to aid the code and carrier phase tracking of the global positioning system satellite signals, so as to enhance the performance of the global positioning and inertial integration system, even in heavy jamming and high dynamic environments. To improve the accuracy of the integrated GPS/INS navigation system, phase measurements are used and the idea of the differential GPS is employed. However, integer ambiguities have to be resolved for high accuracy positioning. Therefore, in the present invention a new on-the-fly ambiguity resolution technique is disclosed to resolve double difference integer ambiguities. The real-time fully-coupled GPS/IMU vehicle positioning system includes an IMU (inertial measurement unit), a GPS processor, and a data link which are connected to a central navigation processor to produce a navigation solution that is output to an I/O (input/output) interface.

Abstract translation: 具有差分GPS的实时集成车辆定位方法和系统可以基本上解决仅在全球定位系统或惯性导航系统中遇到的问题，例如全球定位卫星信号的丢失，对干扰和欺骗的敏感性， 随着时间的推移，惯性解决方案的漂移。 在本发明中，来自集成GPS / INS系统的惯性导航处理器的速度和加速度被用于辅助全球定位系统卫星信号的码和载波相位跟踪，以便增强全球定位和 惯性集成系统，即使在重型干扰和高动态环境中。 为了提高集成GPS / INS导航系统的精度，使用相位测量，并采用差分GPS的思想。 然而，为了高精度定位，必须解决整数模糊度。 因此，在本发明中，公开了一种新的动态模糊度分辨技术来解决双重差异整数模糊度。 实时完全耦合的GPS / IMU车辆定位系统包括连接到中央导航处理器的IMU（惯性测量单元），GPS处理器和数据链路，以产生输出到I / O（输入/输出）接口。

公开(公告)号：US06427122B1

公开(公告)日：2002-07-30

申请号：US09764776

申请日：2001-01-23

Applicant: Ching-Fang Lin

Inventor： Ching-Fang Lin

IPC: G01C2100

CPC classification number: G01S19/44 ,  G01C21/165 ,  G01S5/0247 ,  G01S11/02 ,  G01S13/58 ,  G01S13/86 ,  G01S15/58 ,  G01S17/58 ,  G01S19/26 ,  G01S19/32 ,  G01S19/47 ,  G01S19/49 ,  G01S19/52 ,  G01S19/55

Abstract: An improved positioning and data integrating process and system can substantially solve the problems encountered in system integration for personal hand-held applications, air, land, and water vehicles, wherein an integrated global positioning system/inertial measurement unit, enhanced with optional other devices to derive user position, velocity, attitude, and body acceleration and rotation information, and distributes these data to other onboard systems, for example, in case of aircraft application, flight management system, flight control system, automatic dependent surveillance, cockpit display, enhanced ground proximity warning system, weather radar, and satellite communication system.

Abstract translation: 改进的定位和数据集成过程和系统可以基本上解决个人手持应用，空中，陆地和水上交通工具的系统集成中遇到的问题，其中集成了全球定位系统/惯性测量单元，其中增强了可选的其他设备 导出用户位置，速度，态度和身体加速度和旋转信息，并将这些数据分发到其他车载系统，例如在飞机应用，飞行管理系统，飞行控制系统，自动依赖监视，驾驶舱显示，增强地面 接近警报系统，天气雷达和卫星通信系统。

公开(公告)号：US06415227B1

公开(公告)日：2002-07-02

申请号：US09546349

申请日：2000-04-07

Applicant: Ching-Fang Lin

Inventor： Ching-Fang Lin

IPC: G06F16500

CPC classification number: G01C21/26 ,  G01C21/20 ,  G01S19/42

Abstract: An enhanced global positioning system and map navigation process, which incorporates the GPS position data and geospatial map data. This enhanced navigation process includes GPS-based efficient geospatial database access and query and a time-space filtering method to fully fuse the GPS position data and the geospatial map data to obtain enhanced navigation performance. The system features both portability and ease-of-use. It also accommodates mission specific database creation and value-adding techniques. The system includes personal navigation, land vehicle navigation, marine navigation, etc.

Abstract translation: 增强的全球定位系统和地图导航过程，其中包含GPS位置数据和地理空间地图数据。 这种增强的导航过程包括基于GPS的高效地理空间数据库访问和查询，以及时间空间过滤方法，完全融合GPS位置数据和地理空间地图数据，以获得增强的导航性能。 该系统具有便携性和易用性。 它还适应任务特定的数据库创建和增值技术。 该系统包括个人导航，陆上导航，海上导航等。