<para xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> This paper describes the design and implementation of a tool for experimenting with mobile robotics concepts, primarily use by children teenagers, or general public, without previous experience in robotics. helps learn about science an approachable interactive way, using scientific research principles captivating activities that help child develop problem-solving skills within his group....

Hyperspectral images are multidimensional massive sets of information that have shown a great potential for different kind applications as urban mapping, environmental management, vegetation and crops supervision mineral detection. However, due to its high dimensional nature the variability spectral information, dimensionality reduction process is one main challenges in processing hyperspectral images. The aim eliminate redundant simplify subsequent processes classification search...

Intelligent service robots are needed in office-like environments to perform common tasks of picking up, and delivering things such as mail, goods, trash recycled paper, etc. These challenging since must avoid static dynamic obstacles, mainly have path planning considering multiple goals saving energy. This work proposes an autonomous multi-goal system for up or mobile robotics. The method is based on the Lin-Kernighan Heuristics (LKH) algorithm [1], which was modified order implement...

We report a demonstration of $S\ensuremath{-}I\ensuremath{-}S$ quasiparticle tunneling in c-axis oriented planar junctions consisting YBaCuO/PrBaCuO/HoBaCuO thin film heterostructures. In the conductance curves at low temperatures well developed peaks indicative gap structures are found $\ifmmode\pm\else\textpm\fi{}45$ mV. The high bias shows flat dependence on energy and best quality junction has zero-bias less than 0.05 normal state value. discuss our spectra framework BCS-like density...

In contemporary times, monitoring building façades is a task that require extensive inspections in wide areas of work, working at different heights and diverse weather situations. To address this challenge, work proposes the development software tool called DroneFaçade to manage drone flight, generate an image mosaic façade providing corresponding report inspection mission. This allows continuous registering state through time. was developed four modules namely configuration, execution, data...

This article presents a study based on evaluating different techniques to automatically recognize the basic emotions of people with Down syndrome, such as anger, happiness, sadness, surprise, and neutrality, well statistical analysis Facial Action Coding System, determine symmetry Units present in each emotion, identify facial features that represent this group people. First, dataset images faces syndrome classified according their is built. Then, characteristics micro-expressions (Action...

We have deposited Bi2Sr2CaCu2O8+δ/Bi2Sr2YCu2O8+δ/Bi2Sr2CaCu2 O+δ (2212/22Y2/2212) heterostructures by an in situ dc sputtering technique at high oxygen pressures on (001) SrTiO3 substrates. The formation of highly c-axis oriented trilayers with sharp interfaces is demonstrated x-ray diffraction and transmission electron microscope (TEM) analysis. Both the top bottom 2212 layers are superconducting below 87 K. Tunneling phenomena junctions fabricated from these observed. conductance versus...

Proposed is an appearance-based mapping and localisation method based on the human memory model, which used to build a feature stability histogram (FSH) at each node in robot topological map. FSH registers local over time through voting scheme, most stable features are considered for Bayesian localisation. Experimental results presented using omnidirectional images acquired long-term acquisition considering: illumination changes, occlusions, random removal of perceptual aliasing. This able...

A promising combination of sensors as a laser range finder and an omnidirectional camera can be used to extract rich 3D information from indoor environments for robot mapping localization. This paper presents implementation FastSLAM using vertical edges retrieved range-augmented vision sensor. Our sensor model in conjunction with the algorithm solves Simultaneous Localization Mapping problem. The real world experiment validate our approach Pioneer-3DX mobile equipped URG-04LX camera.

Recent advances in remote sensing have shown great potential for different kind of applications like vegetation and crop supervision. Using hyperspectral images (HSI), this process can be performed over large areas land, allowing a fast non-invasive analysis variables such as water stress, diseases, type crops, among many others. In context, representative spatial-spectral features are crucial to develop the data classification images. way, use deep learning networks has remarkable...

This research introduces an algorithm that automatically detects five primary emotions in individuals with Down syndrome: happiness, anger, sadness, surprise, and neutrality. The study was conducted a specialized institution dedicated to caring for syndrome, which allowed collecting samples uncontrolled environments capturing spontaneous emotions. Collecting through facial images strictly followed protocol approved by certified Ethics Committees Ecuador Colombia. proposed system consists of...

Robot map navigation and localization are challenging tasks that require the solving of data association problem for local global features. Data fusion allows advantages two or more sensors to be combined, complementary cooperation can obtained. This paper presents methods embed depth information in omnidirectional images using extrinsic calibration a 2D laser range finder central catadioptric camera. The presented do not visible beam, but they assume planar checkerboard patterns both camera...

In this paper, a flight control system for smartphone-based quadrotor is proposed. The sensing, the state estimation and algorithms in are exclusively executed by smartphone on-board. Two architectures here presented: LQG controller with gain compensation reference tracking controller. Due to shortcomings of smartphones' sensors, Kalman filter We also present simulation results proposed using dynamic models real parameters. These demonstrate performance advantages controllers. An absolute...

Laser range finder and omnidirectional cameras are becoming a promising combination of sensors to extract rich environmental information. This information includes textured plane extraction, vanishing points, catadioptric projection vertical horizontal lines, or invariant image features. However, many indoor scenes do not have enough texture describe the environment. In these situations, edges could be used instead. study presents sensor model that is able three‐dimensional position from...

Este articulo presenta un laboratorio distribuido con acceso remoto para la ensenanza de robotica, que corresponde al principal resultado del proyecto investigacion aprobado y financiado por COLCIENCIAS, CINTEL, Universidad Valle Quindio. El permite el desarrollo sesiones practicas interactivas a estudiantes ambas universidades sobre plataformas moviles (Pioneer 3DX) brazos roboticos (Mitsubishi RV-2AJ). Las tareas normalmente desarrolladas involucran: programacion, supervision...

Mobile robotics is being used in different education contexts, such as basic, middle, and high-level education. A literature review showed that 197 papers have been published this area of knowledge over the past 10 years. Nowadays, Latin America faces a serious problem due to low student enrollment engineering programs, where, depending on country, ratio graduate engineers can be 1 per 4500 000 people. In Colombia, SPADIES program Ministry Education affirms lack motivation interaction with...

Cooperative payload transport's systems commonly use schemes of coordination and control in order to maintain the formation robots involved transport task. For this purpose leader follower algorithm or any its variations is used. However kind use, most cases, that do not consider their design influence physical properties such as geometry, weight, position center mass density. In scenario, classic schemas following causes a considerable loss efficiency. reason, work swarm based strategy...

This paper presents a programming environment for supporting learning in STEM, particularly mobile robotic learning. It was designed to maintain progressive people with and without previous knowledge of and/or robotics. The multi-platform built open source tools. Perception, mobility, communication, navigation collaborative behaviour functionalities can be programmed different robots. A learner is able programme robots using languages editor interfaces: graphic interface (basic level),...

Nowadays, mobile robots begin to appear in public places. To do these tasks properly, must interact with humans. This paper presents the development of GUI3DXBot, a software tool for tour-guide robot. The focuses on different modules needed guide users an office building. In this context, GUI3DXBot is server-client application, where server side runs into robot, and client 10-inch Android tablet. charge performing perception, localization-mapping, path planning tasks. implements human-robot...

Nowadays, the Colombian paved roads state can be summarized as follows [1]: 21.1% are classified "Very Good", 34.7% "Good" and 43.46% "Regular" or "Bad". Then, it is worth noting need of assuring pavement rehabilitation quality public roads, especially those Pavement integral evaluation includes tests such computing International Friction Index (IFI), Roughness (IRI), performing geotechnical deflectometry studies, visual inspection surface defects. In this work, base layers local thickness...