A geometric nonlinear stochastic filter for simultaneous localization and mapping
نویسندگان
چکیده
Simultaneous Localization and Mapping (SLAM) is one of the key robotics tasks as it tackles simultaneous mapping unknown environment defined by multiple landmark positions localization pose (i.e., attitude position) robot in three-dimensional (3D) space. The true SLAM problem modeled on Lie group $\mathbb{SLAM}_{n}\left(3\right)$, its dynamics rely angular translational velocities. This paper proposes a novel geometric nonlinear stochastic estimator algorithm for $\mathbb{SLAM}_{n}\left(3\right)$ that precisely mimics motion problem. Unlike existing solutions, proposed filter takes into account constant bias noise attached to velocity measurements. manifold guaranteed produce good results provided with measurements velocities, landmarks, inertial measurement unit (IMU). Simulation experimental reflect ability successfully estimate six-degrees-of-freedom (6 DoF) robot's positions. Keywords: Mapping, observer SLAM, differential equations, estimator, position, attitude, Brownian process, unit, features, SDE, SO(3), SE(3), SLAM.
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ژورنال
عنوان ژورنال: Aerospace Science and Technology
سال: 2021
ISSN: ['1626-3219', '1270-9638']
DOI: https://doi.org/10.1016/j.ast.2021.106569