Results 41 to 50 of about 1,636 (211)

Research on IMU Calibration Model Based on Polar Decomposition

Micromachines, 2023
As an important deterministic error of the inertial measurement unit (IMU), the installation error has a serious impact on the navigation accuracy of the strapdown inertial navigation system (SINS).
Guiling Zhao, Maolin Tan, Xu Wang, Weidong Liang, Shuai Gao, Zhijian Chen   +5 more
doaj   +1 more source

The Four Key Challenges of Advanced Multisensor Navigation and Positioning [PDF]

, 2014
The next generation of navigation and positioning systems must provide greater accuracy and reliability in a range of challenging environments to meet the needs of a variety of mission-critical applications.
Martin, H, Jiang, Z, Henry Martin, Groves, PD, Wang, L, Lei Wang, Ziyi Jiang, Walter, D, Voutsis, K, Kimon Voutsis, Debbie Walter, Paul D Groves   +11 more
core   +1 more source

Atom Strapdown: Toward Integrated Quantum Inertial Navigation Systems

, 2023
We present an alternative technique for estimating the response of a cold atom interferometer (CAI). Using data from a conventional inertial measurement unit (IMU) and common strapdown terminology, the position of the atom wave packet is tracked in a ...
Abend, Sven, Tennstedt, Benjamin, Rajagopalan, Ashwin, Schön, Steffen, Weddig, Nicolai B., Rasel, Ernst M.   +5 more
core   +1 more source

Accurate integrated position and orientation method for vehicles based on strapdown inertial navigation system /Doppler radar

Measurement + Control, 2018
In order to realize maneuver combat in the modern warfare, some special military vehicles require the ability of determining their position and orientation rapidly and accurately, and the position and orientation system should be highly autonomous and ...
Yang Bo, Wang Yue-gang, Xue Liang, Shan Bin, Wang Bao-cheng   +4 more
doaj   +1 more source

A new polar alignment algorithm based on the Huber estimation filter with the aid of BeiDou Navigation Satellite System

International Journal of Distributed Sensor Networks, 2021
For aircrafts equipped with BeiDou Navigation Satellite System/Strapdown Inertial Navigation System integrated navigation system, BeiDou Navigation Satellite System information can be used to achieve autonomous alignment.
Bin Zhao, Qinghua Zeng, Jianye Liu, Chunlei Gao, Tianyu Zhao   +4 more
doaj   +1 more source

Multisensor Data Fusion for Robust Pose Estimation of a Six-Legged Walking Robot

, 2011
For autonomous navigation tasks it is important that the robot always has a good estimate of its current pose with respect to its starting position and - in terms of orientation - with respect to the gravity vector.
Chilian, Annett, Hirschmüller, Heiko, A. Chilian, H. Hirschmuller, Görner, Martin, M. Gorner   +5 more
core   +1 more source

Positioning of coal mining equipments based on inertial navigation and odometer

Gong-kuang zidonghua, 2018
Research and application of inertial navigation technology in coal mines at home and abroad was analyzed, and the point was proposed that inertial-level strapdown fiber inertial navigation technology is suitable for positioning of coal mining equipment ...
ZHANG Shouxiang, LI Sen, SONG Lailiang
doaj   +1 more source

Integrated navigation approaches of vehicle aided by the strapdown celestial angles

International Journal of Advanced Robotic Systems, 2020
The integrated navigation method based on star sensor celestial angles (altitude angle and azimuth angle) is proposed to serve the need for rapidly responsive, reliable, and precise of a hypersonic vehicle under a sophisticated environment. An integrated
Hongmei Chen, Hongbo Gao, Huijuan Zhang
doaj   +1 more source

An Autonomous Vehicle Navigation System Based on Inertial and Visual Sensors

Sensors, 2018
The strapdown inertial navigation system (SINS) is widely used in autonomous vehicles. However, the random drift error of gyroscope leads to serious accumulated navigation errors during long continuous operation of SINS alone.
Xingxing Guang, Yanbin Gao, Henry Leung, Pan Liu, Guangchun Li   +4 more
doaj   +1 more source

Resilient Integrated Guidance and Control for Long‐Range High‐Speed Aerospace Vehicles Using LSTM‐Enhanced ACHSOMC in GNSS‐Denied Environments

Modelling and Simulation in Engineering, Volume 2026, Issue 1, 2026.
This study presents a next‐generation, resilient integrated guidance and control (IGC) framework for long‐range, high‐speed aerospace vehicles operating in the most contested and navigation‐degraded environments, including complete GNSS denial, high‐intensity sensor noise, and deliberate fault–injection conditions.
Mohammad Mahdi Soori, Seyed Hossein Sadati, Smritijit Sen   +2 more
wiley   +1 more source