نتایج جستجو برای: dead reckoning calibration
تعداد نتایج: 86959 فیلتر نتایج به سال:
In this paper we reflect on data from two research projects in which inclusive practice in the educational system is at issue, in the light of wider field experience (our own and others’) of school and teacher development. We question what we understand to be relatively common, implicit policy assumptions about how teachers develop, by examining the way in which teachers are portrayed and locat...
We present a distributed multi-scale dead-reckoning (MSDR-D) algorithm for network localization that utilizes local distance and angular information for nearby sensors. The algorithm is anchor-free and does not require particular network topology, rigidity of the underlying communication graph, or high average connectivity. The algorithm scales well to large and sparse networks with complex top...
This paper provides an account of industrial relations in Laos, in light of the transformation theory from the industrial relations literature. The scope of the paper is limited to employment in the formal, wage-earning sector of the civilian economy. The paper argues that the history of industrial relations in Laos can be divided into four eras: the French colonial era (1890s to 1947); the Roy...
In this paper we present a novel design for a dual tracked mobile robot. The robot is designed for safe, stable and reliable motion in challenging terrains, tunnels and confined spaces. It consists of two tracked platforms connected with a semi-passive mechanism. Sensors attached to the connecting mechanism provide redundant localization data that improves the vehicle's autonomous dead reckonin...
This paper describes a new approach to sampling-based motion planning with PRM methods. Our aim is to compute good quality roadmaps that encode the multiple connectedness of the configuration space inside small but yet representative graphs that capture well the different varieties of free paths. The proposed Path Deformation Roadmaps (PDR) rely on a notion of path deformability indicating whet...
ISO has provided us with a new perspective on gas temperatures in photodissociation regions through measurements of line emission from rotationallyexcited levels of H2. The H2 rotational level populations provide a thermal probe, showing that gas temperatures Tgas ≈ 500 − 1000K prevail in a portion of the PDR where significant H2 is present. Such high gas temperatures were unexpected. Theoretic...
There are different approaches to mobile robot navigation. Landmark-based localization has shown to be the alternative to simple dead-reckoning, but often landmarks are environmental specific, and recognition algorithms are computationally very expensive. This paper presents an approach to landmark-based navigation using emergency exit pannels and corridors as cues, without odometric informatio...
The onset and development of Alzheimer’s disease (AD) is closely associated with the failure to eliminate waste from the brain [1]. The mechanisms behind this waste clearance remain largely unclear, however research suggests a strong link with the cerebral vasculature [2, 3]. Here we demonstrate computational evidence for a mechanism for cerebral waste clearance that is driven by functional hyp...
This paper presents our approach for laser-based local position tracking based on the data explored in a three-dimensional environmental model of an indoor environment. This algorithm is used to substitute the dead reckoning on a mobile robot to allow robust map generation and position dependent task triggering. The underlying concept of the local environmental model used for filtering of the s...
This paper describes a new approach to sampling-based motion planning with PRMmethods. Our aim is to compute good quality roadmaps that encode the multiple connectedness of the configuration space inside small but yet representative graphs that capture well the different varieties of free paths. The proposed Path Deformation Roadmaps (PDR) rely on a notion of path deformability indicating wheth...
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