2009 IEEE/RSJ International Conference on Intelligent Robots and Systems 2009
DOI: 10.1109/iros.2009.5354717
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On the consistency of EKF-SLAM: Focusing on the observation models

Abstract: Abstract-In this paper a new strategy for handling the observation information of a bearing-range sensor throughout the filtering process of EKF-SLAM is proposed. This new strategy is advised based on a thorough consistency analysis and aims to improve the process consistency while reducing the computational cost. At first, three different possible observation models are introduced for the EKF-SLAM solution for a robot equipped with a bearing-range sensor. General form of the covariance matrix and the level of… Show more

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Cited by 5 publications
(3 citation statements)
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“…In order to reduce the errors, it is necessary to compare the position of the mobile base with respect to its environment. The SLAM [20] method provides the change in location of the robot according to its initial configuration. Moreover, it provides the local map of the environment M', which is convertible to an occupancy grid for the planning module.…”
Section: Robot Software Modulesmentioning
confidence: 99%
“…In order to reduce the errors, it is necessary to compare the position of the mobile base with respect to its environment. The SLAM [20] method provides the change in location of the robot according to its initial configuration. Moreover, it provides the local map of the environment M', which is convertible to an occupancy grid for the planning module.…”
Section: Robot Software Modulesmentioning
confidence: 99%
“…Range laser sensors are also used for target tracking applications, such as the case shown in [ 14 ], where a range laser sensor is used for environment modeling when applying a SLAM (Simultaneous Localization and Mapping) algorithm. A SLAM algorithm is used in mobile robot applications [ 3 , 4 , 15 18 ] to concurrently estimate the robot's position within an environment and to build a model of such an environment.…”
Section: Introductionmentioning
confidence: 99%
“…Several algorithms have been proposed as solutions to the SLAM problem. The most widely used by the scientific community is the Extended Kalman filter (EKF) [ 1 , 3 – 6 ] solution and its derived filters, such as the Unscented Kalman filter (UKF) [ 3 ] and the Extended Information filter (EIF) [ 7 , 8 ]. In these filters, the SLAM system state, composed by the robot’s pose and the map of the environment, it is modeled as a Gaussian random variable.…”
Section: Introductionmentioning
confidence: 99%