搜索结果: 1-15 共查到“工学 INS”相关记录96条 . 查询时间(0.093 秒)
GNSS/INS多传感器组合高速铁路轨道测量系统
工程测量 高速铁路 轨道不平顺 变形监测 全球导航卫星系统/惯性导航系统
2020/6/28
高速铁路轨道必须保持高平顺性、高稳定性和高可靠性，这直接关系到高速列车高速、安全且平稳运行。高速铁路轨道测量至少包括控制测量、线路测量和变形测量等工作。传统高速铁路轨道测量方法存在测量周期长、维护成本高、检测效率低等问题。
GNSS/INS导航系统打通无人驾驶地图绘制和车道级导航核心环节
GNSS/INS导航系统 无人驾驶 地图绘制 车道级导航 核心环节
2018/10/31
2018年10月9日，由中国电子科技集团公司第五十四研究所牵头承担的国家863计划对地观测与导航技术领域“低成本高精度GNSS/INS深耦合系统与应用示范”项目顺利通过了科技部在石家庄组织的验收。针对城市路面导航和测绘应用中GNSS信号断续、衰落等问题，面向大众车辆车道级导航、专用测绘车高精度导航等应用需求，项目团队经过多年技术攻关，突破了低成本惯性器件、惯性辅助GNSS信号高灵敏度接收、惯性信息...
基于加权自适应平方根容积卡尔曼滤波的GPS/INS组合导航方法
组合导航 量测噪声 容积卡尔曼滤波 加权
2018/5/21
针对GPS/INS组合导航系统中，由于量测噪声统计的不确定性导致平方根容积卡尔曼滤波器(SCKF)滤波精度下降甚至发散的问题，该文提出一种基于加权的自适应SCKF(WASCKF)方法。该方法首先利用移动开窗理论对SCKF新息的协方差阵进行最大似然估计，实现对测量噪声统计特性的在线调整；然后，利用加权理论，依据窗口内不同时刻信息的有用程度的不同而设置相应的权值，增强对窗口内有用信息的利用。最后，将W...
JECFA标准 INS No. 160a(i) Beta-胡萝卜素(合成)。
JECFA标准 INS No. 160a(ii) 胡萝卜素(植物)。
THE PERFORMANCE OF A TIGHT INS/GNSS/PHOTOGRAMMETRIC INTEGRATION SCHEME FOR LAND BASED MMS APPLICATIONS IN GNSS DENIED ENVIRONMENTS
Direct georeferencing Constraint Mobile Mapping System Control points
2016/7/5
The early development of mobile mapping system (MMS) was restricted to applications that permitted the determination of the elements of exterior orientation from existing ground control. Mobile mappin...
Analysis of the Kalman Filter with Different INS Error Models for GPS/INS Integration in Aerial Remote Sensing Applications
Direct Georeferencing Aerial Triangulation GPS/INS Integration
2015/12/17
In the Kalman filter used for the integration of GPS/INS, the inertial sensor error model is usually considered as a random constant or
random walk for both gyroscopes and accelerometers. However, th...
Calibration of a Low Cost MEMS INS Sensor for an Integrated Navigation System
Calibration Navigation IMU
2015/12/17
The method, the procedure and the results of the calibration of a low cost MEMS INS sensor are described and discussed. The
reduced cost of the MEMSs sensors is very advantageous, but these sensors a...
Integration of GPS/INS/Vision Sensors to Navigate Unmanned Aerial Vehicles
Aerial Fusion GPS/INS Multisensor Navigation Vision
2015/11/23
Two Kalman filers have been designed to operate separately to provide a reliable check on the navigation solutions. When GPS signals are available, the GPS measurements are used to update the error st...
A REDUNDANT GNSS-INS LOW-COST UAV NAVIGATION SOLUTION FOR PROFESSIONAL APPLICATIONS
UAV sreliable navigation sredundant IMUs sGNSS beamforming sclose coupling
2015/9/21
This paper presents the current results for the FP7 GINSEC project. Its goal is to build a pre-commercial prototype of a low-cost, accurate and reliable system for the professional UAV market. Low-cos...
A NEW SURVEY ON SELF-TUNING INTEGRATED LOW-COST GPS/INS VEHICLE NAVIGATION SYSTEM IN HARSH ENVIRONMENT
GPS/INS integration Extended Kalman Filter Fuzzy Inference System
2015/9/10
Nowadays, Global Positioning System (GPS) receivers are aided by some complementary radio navigation systems and Inertial Navigation Systems (INS) to obtain more accuracy and robustness in land vehicu...
Photogrammetry-derived Navigation Parameters for INS Kalman Filter Updates
Mobile Mapping Navigation Robotics
2015/7/14
In this paper, a GPS-independent mobile navigation and mapping system is introduced. This system employs the
photogrammetric intersection to determine the coordinates of the surrounding objects and t...
An Inexpensive and Robust GPS/INS Attitude System for Automobiles
Inexpensive Robust GPS/INS Attitude System Automobiles
2015/6/26
Many of the sophisticated control systems of modern automobiles require measurements of the vehicle’s attitude. Commercial GPS attitude systems are the method of choice for measuring attitude in many ...
Performance Analysis and Architectures for INS-Aided GPS Tracking Loops
Performance Analysis Architectures INS-Aided GPS Tracking Loops
2015/6/26
Santiago Alban is a Ph.D. candidate in the Aeronautics and Astronautics Department of Stanford University. He received his B.S. in Aerospace Engineering in 1996 from the University of Texas at Austin,...
Performance Analysis and Experimental Validation of a Doppler-Aided GPS/INS Receiver for JPALS Applications
Doppler-Aided GPS/INS Receiver JPALS Applications
2015/6/26
The Joint Precision Approach and Landing System (JPALS) is the next generation aircraft precision approach and landing system being sponsored by US Department of Defense. This GPS-based system will pr...