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Ruts formed as a result of vehicle traversal on soft ground are used by expert off road drivers because they can improve vehicle safety on turns and slopes thanks to the extra lateral force they provide to the vehicle. In this paper we propose a rut detection and tracking algorithm for autonomous ground vehicles (AGVs) equipped with a laser range finder. The proposed algorithm utilizes an extended...
The paper describes a localization system for autonomous underwater vehicles (AUV). It uses a DVL (Doppler velocity log) sensor and AHRS (attitude and heading reference system) sensor to measure AUV's depth, attitude and velocities relative to the bottom. A mechanically scanning imaging sonar (MSIS) is employed to obtain acoustic images of objects in underwater environment. In order to estimate optimally...
Abstract-This paper introduces a kinematic model of a deep-sea mining vehicle in presence of sliding parameters. The model describes both the noises features of sliding parameters and the deep-sea condition features. To handle sliding parameters noises, a recursive algorithm to minimize difference between the filter-computed and the actual innovation covariance is adopted, which is a novel integrated...
Navigation post-processing or smoothing is the process of optimizing all navigation estimates based on the entire measurement set. For underwater vehicles this gives much smoother and more accurate estimates than what is obtained in real-time. The enhanced quality of the smoothed estimates is shown in this paper by examples from autonomous underwater vehicles (AUVs), remotely operated vehicles (ROVs)...
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