Academic literature on the topic 'Gps position mining'
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Journal articles on the topic "Gps position mining"
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Luo, Y., X. Song, L. Zheng, C. Yang, M. Yu, and M. Sun. "PROBE VEHICLE TRACK-MATCHING ALGORITHM BASED ON SPATIAL SEMANTIC FEATURES." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-4/W2 (July 10, 2015): 19–23. http://dx.doi.org/10.5194/isprsannals-ii-4-w2-19-2015.
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The matching of GPS received locations to roads is challenging. Traditional matching method is based on the position of the GPS receiver, the vehicle position and vehicle behavior near the receiving time. However, for probe vehicle trajectories, the sampling interval is too sparse and there is a poor correlation between adjacent sampling points, so it cannot partition the GPS noise through the historical positions. For the data mining of probe vehicle tracks based on spatial semantics, the matching is learned from the traditional electronic navigation map matching, and it is proposed that the probe vehicle track matching algorithm is based on spatial semantic features. Experimental results show that the proposed global-path matching method gets a good matching results, and restores the true path through the probe vehicle track.
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Bazanowski, Maciej, Anna Szostak-Chrzanowski, and Adam Chrzanowski. "Determination of GPS Session Duration in Ground Deformation Surveys in Mining Areas." Sustainability 11, no. 21 (2019): 6127. http://dx.doi.org/10.3390/su11216127.
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Extraction of underground minerals causes subsidence of the ground surface due to gravitational forces. The subsidence rate depends on the type of extracted ore, as well as its shape, thickness, and depth. Additionally, the embedding and overburden rock properties influence the time needed for the deformations to reach the surface. Using the results of geodetic deformation monitoring, which supply the information on pattern and magnitude of surface deformation, the performance of the mine may be evaluated. The monitoring can supply information on the actual rock mass behaviour during the operation and in many cases during the years after the mining operations have ceased. Geodetic methods of deformation monitoring supply information on the absolute and relative displacements (changes in position in a selected coordinate system) from which displacement and strain fields for the monitored object may be derived. Thus, geodetic measurements provide global information on absolute and relative displacements over large areas, either at discrete points or continuous in the space domain. The geodetic methods are affected by errors caused by atmospheric refraction and delay of electromagnetic signal. Since geodetic measurements allow for redundancy and statistical evaluation of the quality of the data, they generally provide reliable results. Usually, the designed accuracy of deformation measurements should allow for the detection of at least one third of the expected maximum deformations over the desired time span at the 95% probability level. In ground subsidence studies in mining areas, 10 mm accuracy at 95% level in both vertical and horizontal displacements is typically required. In the case of salt mines, the process of ground subsidence in viscous rock is slow; therefore, subsidence monitoring surveys may be performed once a year. In subsidence determination, two techniques are commonly used: leveling and satellite positioning. The satellite positioning technique is used to determine the 3D (horizontal coordinates and height) or 2D position of monitored points (only horizontal coordinates). When comparing the heights determined from satellite and leveling surveys, it has to be noted that the leveling heights are referred with respect to the geoid (orthometric heights), while heights determined from satellite surveys are referred with respect to the ellipsoid (ellipsoidal height). In the case of satellite surveys, the accuracy of horizontal position is typically 2–3 times better than vertical. The analysis of the optimal session duration lead to the conclusion that in order to achieve the sub-cm accuracy of horizontal coordinates at 95% confidence level, the satellite positioning session length using Global Positioning System (GPS) should be at least three hours long. In order to achieve the sub-cm accuracy of height coordinate at 95% confidence level in a single observation session, the GPS session length should be at least twelve hours long.
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Fadda, S., M. Fiori, and C. Matzuzzi. "Use of Global Positioning System in mine landscaping and visual impact assessment: A case study." Journal of Nepal Geological Society 34 (October 9, 2006): 129–34. http://dx.doi.org/10.3126/jngs.v34i0.31887.
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The satellite-based Global Positioning System (GPS) needs a clear view of sky for determining a geodetic position and hence it is particularly suitable in overall projects of open-pit recovery and landscape restoration. The purpose of such measurements is to make highly accurate topographic maps thus forming the backbone of a project. In the work presented here geodetic measurements are combined with advanced visualisation techniques and GIS applications in a possible recovery plan of the abandoned excavations of Bonucoro in the mining district of Orani, central Sardinia, Italy. Considering the naturalistic and geographic settings of the mining area and its surroundings, a few proposals concerning the re-utilisation of these excavations are presented. The preparatory work consisted of the area characterisation by carrying out a topographic survey followed by a geodetic control network establishment by the GPS to describe the morphological features of the landscape and for the subsequent three-dimensional analysis and geoprocessing. The final step involved the use of VueInfinite, a computer program capable to integrate graphical data with geological and morphological attributes. It was also able to create a virtual 3D scene of a present, past, or future landscape required for visual impact assessment.
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Dolgikh, Oleksandr, Liubov Dolgikh, Kostiantyn Ielezov, and Nikolai Maletskii. "The use of the construction with a digital camera and GPS receiver while researching dangerous areas." E3S Web of Conferences 280 (2021): 08009. http://dx.doi.org/10.1051/e3sconf/202128008009.
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The purpose of the study is to select an effective methods and equipment for observing deformations in dangerous areas of the terrain, such as areas that are undermined by underground mining. It is known that the topical task of the mine surveying service is to improve remote sensing methods for the state of movement zones with craters, dips, cracks. The research methodology is based on the results of the performed analysis of methods for observing deformations using modern devices and technologies, and experimental work using the developed methodology, which provides for the combined use of digital methods and GPS technologies. Experimental work was carried out at the facilities of the Ordzhonikidze mine using various remote sensing methods, including those developed by the authors. The research used a design consisting of a digital camera and a GPS receiver. The performed analysis of the obtained survey results, using the proposed design of two devices, has shown its effectiveness in remote methods of observing the objects deformations located in areas undermined by mining operations. The scientific novelty of the results obtained lies in the methods development for remote observation of deformations of the ground's surface and objects, based on the structure use from a digital camera and a GPS receiver. This method was developed to increase the efficiency of performing research on objects deformations located in places that are dangerous for finding a person. The efficiency of using terrestrial digital stereo survey when the coordinates of the photographing points are determined with the help of GPS has been proved. The practical significance of the study lies in increasing work efficiency the on monitoring deformations of the earth's surface, buildings and structures located in areas dangerous for field work by traditional methods, which are performed using leveling and measuring the distances between the benchmarks of profile lines, which are usually used on areas undermined by underground mining. The use of terrestrial digital stereo photography with the coordination of photographing stations using GPS allows remote determination of the spatial position of the observed points with the required accuracy. Key words: ground stereoscopic survey, collapse zone, digital camera, GPS.
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Tscharf, A., M. Rumpler, F. Fraundorfer, G. Mayer, and H. Bischof. "ON THE USE OF UAVS IN MINING AND ARCHAEOLOGY - GEO-ACCURATE 3D RECONSTRUCTIONS USING VARIOUS PLATFORMS AND TERRESTRIAL VIEWS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences II-1/W1 (August 27, 2015): 15–22. http://dx.doi.org/10.5194/isprsannals-ii-1-w1-15-2015.
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During the last decades photogrammetric computer vision systems have been well established in scientific and commercial applications. Especially the increasing affordability of unmanned aerial vehicles (UAVs) in conjunction with automated multi-view processing pipelines have resulted in an easy way of acquiring spatial data and creating realistic and accurate 3D models. With the use of multicopter UAVs, it is possible to record highly overlapping images from almost terrestrial camera positions to oblique and nadir aerial images due to the ability to navigate slowly, hover and capture images at nearly any possible position. Multi-copter UAVs thus are bridging the gap between terrestrial and traditional aerial image acquisition and are therefore ideally suited to enable easy and safe data collection and inspection tasks in complex or hazardous environments. In this paper we present a fully automated processing pipeline for precise, metric and geo-accurate 3D reconstructions of complex geometries using various imaging platforms. Our workflow allows for georeferencing of UAV imagery based on GPS-measurements of camera stations from an on-board GPS receiver as well as tie and control point information. Ground control points (GCPs) are integrated directly in the bundle adjustment to refine the georegistration and correct for systematic distortions of the image block. We discuss our approach based on three different case studies for applications in mining and archaeology and present several accuracy related analyses investigating georegistration, camera network configuration and ground sampling distance. Our approach is furthermore suited for seamlessly matching and integrating images from different view points and cameras (aerial and terrestrial as well as inside views) into one single reconstruction. Together with aerial images from a UAV, we are able to enrich 3D models by combining terrestrial images as well inside views of an object by joint image processing to generate highly detailed, accurate and complete reconstructions.
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Fan, Qigao, Wei Li, Jing Hui, et al. "Integrated Positioning for Coal Mining Machinery in Enclosed Underground Mine Based on SINS/WSN." Scientific World Journal 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/460415.
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To realize dynamic positioning of the shearer, a new method based on SINS/WSN is studied in this paper. Firstly, the shearer movement model is built and running regularity of the shearer in coal mining face has been mastered. Secondly, as external calibration of SINS using GPS is infeasible in enclosed underground mine, WSN positioning strategy is proposed to eliminate accumulative error produced by SINS; then the corresponding coupling model is established. Finally, positioning performance is analyzed by simulation and experiment. Results show that attitude angle and position of the shearer can be real-timely tracked by integrated positioning strategy based on SINS/WSN, and positioning precision meet the demand of actual working condition.
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Rodriguez-Lloveras, Xavier, Carolina Puig-Polo, Nieves Lantada, Jose A. Gili, and Jordi Marturià. "Two decades of GPS/GNSS and DInSAR monitoring of Cardona salt mines (NE of Spain) – natural and mining-induced mechanisms and processes." Proceedings of the International Association of Hydrological Sciences 382 (April 22, 2020): 167–72. http://dx.doi.org/10.5194/piahs-382-167-2020.
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Abstract. Cardona area presents surface rising and subsidence active movements. In 1999 a series of sinkholes appeared due to the infiltration of Cardener River water into the mine tunnels, damaging surface infrastructures. Since then, high precision GNSS/GPS was used annually to position a network of 40 points spread over the area. GNSS/GPS work is carried out with the Fast-Static (FS) method. Additionally the surface movements have been monitored with satellite Differential Interferometry Synthetic Aperture Radar (DInSAR). Results indicate that the movement has a complex spatial distribution although consistent along time. Some areas show surface rising during the last two decades, while other areas show subsidence. The use of the two techniques allowed to determine the most plausible causes of these movements generated by a set of interwoven natural and human-induced complex processes.
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Nicu, Ionut Cristi, Knut Stalsberg, Lena Rubensdotter, Vibeke Vandrup Martens, and Anne-Cathrine Flyen. "Coastal Erosion Affecting Cultural Heritage in Svalbard. A Case Study in Hiorthhamn (Adventfjorden)—An Abandoned Mining Settlement." Sustainability 12, no. 6 (2020): 2306. http://dx.doi.org/10.3390/su12062306.
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Hiorthhamn is an abandoned Norwegian coal mining settlement with a loading dock and a lot of industrial infrastructure left in the coastal zone. In this study, changes in the position of 1.3 km of the Hiorthhamn shoreline, which affect cultural heritage, is described for a time-period spanning 92 years (1927–2019). The shoreline positions were established based on a map (1927), orthophotos (2009) and a topographic survey with differential Global Positioning System (GPS) (summer 2019). Detailed geomorphological and surface sediment mapping was conducted to form a framework for understanding shoreline-landscape interaction. The shoreline was divided into three sectors to calculate the erosion/stability/accretion rates by using the DSAS (Digital Shoreline Analysis System) extension of ArcGIS. The DSAS analysis showed very high erosion in Sector 1, while Sectors 2 and 3 showed moderate accretion and moderate erosion, respectively. Sector 1 is geologically composed of easily erodible sorted beach sediments and protected remains from the mining industry such as wrecks of heavy machines, loading carts, wagons and rusty tracks that are directly exposed to coastal erosion. The all-sector average shoreline erosion rate (EPR parameter) for the 92 years period was −0.21 m/year. The high shoreline erosion rates in Sector 1, together with the high potential damage to cultural heritage, supports the urgent need of continued coastal monitoring and sustainable management of cultural heritage in Hiorthhamn.
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Nugraha, Ryan, and Sigit Putrasakti. "PENGARUH SEBARAN DATA GROUND CONTROL POINT (GCP) DALAM PENGOLAHAN DATA FOTO UDARA PADA AREA IN-PIT MAPPING MENGGUNAKAN DRONE QUADCOPTER DJI PHANTOM 4 RTK BERBASIS BASE GPS METODE REAL TIME KINEMATIC (RTK)." Prosiding Temu Profesi Tahunan PERHAPI 1, no. 1 (2020): 191–200. http://dx.doi.org/10.36986/ptptp.v1i1.62.
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ABSTRAKTeknik pengambilan foto udara yang saat ini sedang berkembang, tidak bisa dipungkiri lagi bahwa teknologi Unmanned Aerial Vehicle (UAV), khususnya drone merupakan salah satu teknologi yang sangat efektif dan efisien dalam melakukan kegiatan mapping (pemetaan). Kegiatan mapping menggunakan drone ini juga tidak luput dari industri pertambangan, khususnya tambang batu bara yang saat ini mulai popular menggunakan salah satu teknologi yang modern ini. Salah satu jenis UAV yang digunakan PT Arutmin Indonesia adalah drone quadcotper DJI Phantom 4 RTK yang berbasis base GPS metode Real Time Kinematic (RTK). Kegiatan mapping menggunakan drone diperlukan beberapa titik ikat atau kontrol di permukaan tanah yang disebar di area mapping yang dikenal dengan Ground Control Point (GCP). GCP berfungsi sebagai titik ikat atau kontrol di permukaan tanah. Sebaiknya GCP disebar merata di permukaan tanah area mapping yang areanya bebas dari obstacles, dan tidak mengganggu kegiatan penambangan agar hasil dari pengolahan data diharapkan menghasilkan data orthophoto dan kontur topografi yang presisi dan akurat. Kegiatan mapping yang dilakukan PT Arutmin Indonesia ini dilakukan di area in pit dump dengan sebaran enam data GCP yang disebar di ujung-ujung dan tengah batasan area mapping. GCP yang tidak di sebar merata di area mapping akan menghasilkan data orthophoto dan kontur topografi yang tidak presisi dan akurat. Ini disebabkan adanya area mapping yang tidak terikat/terkontrol oleh GCP. Area mapping yang tidak tercover GCP, dominan orthophoto yang dihasilkan tidak sesuai dengan aktual kondisi in pit dump. Orthophoto in pit dump ini, keadaan bench dump akan terlihat tidak lurus atau terpisah atau tidak menyambung karena posisi horizontal yang dihasilkan tidak presisi dan akurat. Begitu juga dengan data topografi, apabila area mapping tidak tercover GCP, akan menimbulkan variance +/- 5-10 m pada posisi horizontal (easting dan northing) dan 3-5 m pada posisi vertical (elevation). Dengan demikian data GCP yang disebar merata di area mapping merupakan salah satu parameter untuk menghasilkan data orthophoto dan kontur yang presisi dan akurat. GCP yang disebar merata di area mapping akan memberikan pengaruh terhadap ketelitian rektifikasi yang ditunjukkan melalui nilai Root Mean Square Error (RMSE) ketelitian jarak dan posisi (koordinat). Kata Kunci: GCP, mapping, in pit dump, rektifikasi ABSTRACT The technique of taking aerial photographs is currently developing, it is undeniable that the technology of Unmanned Aerial Vehicle (UAV), especially drones, is one of the technologies that is very effective and efficient in conducting mapping activities. Mapping activities using drones are also not spared from the mining industry, especially coal mining which is currently gaining popularity using one of these modern technologies. One type of UAV used by PT Arutmin Indonesia is the DJI Phantom 4 RTK quadcotper drone based on the GPS Real Time Kinematic (RTK) method. Mapping activities using drones require a number of grounding points or controls that are spread out in a mapping area known as a Ground Control Point (GCP). GC Work as a bonding point or control at ground level. GCP should be distributed evenly on unobstructed mapping surface, and there is no mining activity so that the results of data processing are expected to produce precise and accurate orthophoto and topographic contour data. The mapping activity carried out by PT Arutmin Indonesia was carried out in an area in the pit dump with the distribution of six GCP data distributed at the edges and the mapping of the middle area. GCP that is not spread evenly in the mapping area will produce orthophoto data and topographic contours that are not precise and accurate. This represents the existence of an area mapping that is not approved / controlled by GCP. Mapping the area that is not covered by GCP, the dominant orthophoto produced is not in accordance with the actual conditions in the pit dump. Orthophoto in this pit dump, the state of the dump bench will look not straight or separate or not connect because the resulting horizontal position is not precise and accurate. Likewise with topographic data, mapping the rejected area is not covered by GCP, will cause variance +/- 5-10 m in the horizontal position (east and north) and 3-5 m vertical position (elevation). Thus GCP data distributed evenly in the mapping area is one of the parameters to produce precise and accurate orthophoto and contour data. GCP that is spread evenly in the mapping area will give effect to the accuracy of rectification studied through the value of Root Mean Square Error (RMSE) accuracy of distance and position (coordinates). Keywords: GCP, mapping, in pit dump, rectification
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Gausepohl, Florian, Anne Hennke, Timm Schoening, Kevin Köser, and Jens Greinert. "Scars in the abyss: reconstructing sequence, location and temporal change of the 78 plough tracks of the 1989 DISCOL deep-sea disturbance experiment in the Peru Basin." Biogeosciences 17, no. 6 (2020): 1463–93. http://dx.doi.org/10.5194/bg-17-1463-2020.
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Abstract. High-resolution optical and hydro-acoustic sea floor data acquired in 2015 enabled the reconstruction and exact localization of disturbance tracks of a past deep-sea recolonization experiment (DISCOL) that was conducted in 1989 in the Peru Basin during a German environmental impact study associated with manganese-nodule mining. Based on this information, the disturbance level of the experiment regarding the direct plough impact and distribution and redeposition of sediment from the evolving sediment plume was assessed qualitatively. The compilation of all available optical and acoustic data sets available from the DISCOL Experimental Area (DEA) and the derived accurate positions of the different plough marks facilitate the analysis of the sedimentary evolution over the last 26 years for a sub-set of the 78 disturbance tracks. The results highlight the remarkable difference between natural sedimentation in the deep sea and sedimentation of a resettled sediment plume; most of the blanketing of the plough tracks happened through the resettling of plume sediment from plough tracks created later. Generally sediment plumes are seen as one of the important impacts associated with potential Mn-nodule mining. For enabling a better evaluation and interpretation of particularly geochemical and microbiological data, a relative age sequence of single plough marks and groups of them was derived and is presented here. This is important as the thickness of resettled sediment differs distinctly between plough marks created earlier and later. Problems in data processing became eminent for data from the late 1980s, at a time when GPS was just invented and underwater navigation was in an infant stage. However, even today the uncertainties of underwater navigation need to be considered if a variety of acoustical and optical sensors with different resolution should be merged to correlate accurately with the absolute geographic position. In this study, the ship-based bathymetric map was used as the absolute geographic reference layer and a workflow was applied for geo-referencing all the other data sets of the DISCOL Experimental Area until the end of 2015. New high-resolution field data were mainly acquired with sensors attached to GEOMAR's AUV Abyss and the 0.5∘ × 1∘ EM122 multibeam system of RV Sonne during cruise SO242-1. Legacy data from the 1980s and 1990s first needed to be found and compiled before they could be digitized and properly geo-referenced for our joined analyses.
Dissertations / Theses on the topic "Gps position mining"
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Elisabeth, Erol. "Fouille de données spatio-temporelles, résumés de données et apprentissage automatique : application au système de recommandations touristique, données médicales et détection des transactions atypiques dans le domaine financier." Thesis, Antilles, 2021. http://www.theses.fr/2021ANTI0607.
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La fouille de données est une des composantes Gestion de la Relation Client (CRM) largement déployée dans les entreprises. Ce processus s’appuie sur des algorithmes issus de disciplines scientifiques diverses (statistiques, intelligence artificielle, base de données) pour construire des modèles à partir des données.L’objectif de déterminer des modèles, établis à partir de clusters au service de l’amélioration de la connaissance du client au sens générique, de la prédiction de ses comportements et de l’optimisation de l’offre proposée. Ces modèles ayant vocation à être utilisés par des utilisateurs spécialistes du domaine de données, chercheurs en économie de la santé et sciences de gestion ou professionnels du secteur étudié, ces travaux de recherche mettent l’accent sur l’utilisabilité des environnements de fouille de données. Cette thèse s’intéresse à la fouille de données spatio-temporelle. Elle met particulièrement en évidence une approche originale pour le traitement des données avec un but d’enrichissement des connaissances pratiques du domaine. Ce travail comporte un volet applicatif en quatre chapitres qui correspond à quatre systèmes développés:- Un modèle pour la mise place d’un système de recommandation basé sur la collecte de données de positionnement GPS,- Un outil de résumé de données optimisé pour la rapidité des réponses aux requêtes au programme de médicalisation des systèmes d’information (PMSI),- Un outil d’apprentissage automatique pour la lutte contre le blanchiment dans le système financier,- Un modèle pour la prédiction d’activité dans les TPE qui sont météo-dépendantes (tourisme, transport, loisirs, commerce, etc.). Le problème est ici d’identifier les algorithmes de classification et de réseaux de neurones en vue d’une analyse de données dont le but est d’adapter la stratégie de l’entreprise aux mouvements conjoncturels<br>Data mining is one of the components of Customer Relationship Management (CRM), widely deployed in companies. It is the process of extracting interesting, non-trivial, implicit, unknown and potentially useful knowledge from data. This process relies on algorithms from various scientific disciplines (statistics, artificial intelligence, databases) to build models from data stored in data warehouses.The objective of determining models, established from clusters in the service of improving knowledge of the customer in the generic sense, the prediction of his behavior and the optimization of the proposed offer. Since these models are intended to be used by users who are specialists in the field of data, researchers in health economics and management sciences or professionals in the sector studied, this research work emphasizes the usability of data mining environments.This thesis is concerned with spatio-temporal data mining. It particularly highlights an original approach to data processing with the aim of enriching practical knowledge in the field.This work includes an application component in four chapters which corresponds to four systems developed:- A model for setting up a recommendation system based on the collection of GPS positioning data,- A data summary tool optimized for the speed of responses to requests for the medicalization of information systems program (PMSI),- A machine learning tool for the fight against money laundering in the financial system,- A model for the prediction of activity in VSEs which are weather-dependent (tourism, transport, leisure, commerce, etc.). The problem here is to identify classification algorithms and neural networks for data analysis aimed at adapting the company's strategy to economic changes
Books on the topic "Gps position mining"
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McPhail, Kathryn. Enhancing Sustainable Development from Oil, Gas, and Mining. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198817369.003.0017.
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This chapter outlines how sustainable development in resource-rich countries requires an ‘all of government’ approach as well as multi-stakeholder dialogue and partnerships between government, companies, and civil society organizations. Effective management and regulation requires different government agencies to work together and in partnership with stakeholders. The chapter focuses on the need for an agreed set of data and analysis showing the current and potential future contributions of the natural resources sector at the national and local levels. In some countries there is a lack of trust between different stakeholder interests. The chapter probes how collaboration between stakeholders can mitigate the negative impacts of resource development and enhance its potential positive contributions, particularly at the local level and where the governance context is weak. The chapter identifies three important steps toward sustainable development: creating an evidence base to facilitate cross-government coordination; building trust through multi-stakeholder dialogue; and building partnerships for development.
Book chapters on the topic "Gps position mining"
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Okon, Edet E. "Multinational Enterprises and African Economy." In Multinational Enterprise Management Strategies in Developing Countries. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-5225-0276-0.ch018.
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Africa's economy, an emerging economy is gradually being re-positioned in the global economy as a focus of investment. Multinational Enterprises (MNEs) have helped to shape the economy of Africa. An overview of Africa's economy was examined; top 20 Africa's largest economies were highlighted; major sectors perceived as paths to growth of Africa's economy were examined – Agriculture, Banking, Consumer goods, infrastructure, mining, oil and gas, and telecommunications. The chapter also enunciated the concept, ‘diversified economy' in relation to oil exporters, the transition economies and the pre-transition economies. It is therefore concluded that Multinational Enterprises will continue to contribute to the growth of Africa's economy, especially as more indigenous enterprises are being launched by African countries. It is therefore recommended that African countries should continue to diversify her economy to take advantage of large labor potential and natural resources endowment.
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Okon, Edet E. "Multinational Enterprises and African Economy." In African Studies. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-3019-1.ch001.
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Africa's economy, an emerging economy is gradually being re-positioned in the global economy as a focus of investment. Multinational Enterprises (MNEs) have helped to shape the economy of Africa. An overview of Africa's economy was examined; top 20 Africa's largest economies were highlighted; major sectors perceived as paths to growth of Africa's economy were examined – Agriculture, Banking, Consumer goods, infrastructure, mining, oil and gas, and telecommunications. The chapter also enunciated the concept, ‘diversified economy' in relation to oil exporters, the transition economies and the pre-transition economies. It is therefore concluded that Multinational Enterprises will continue to contribute to the growth of Africa's economy, especially as more indigenous enterprises are being launched by African countries. It is therefore recommended that African countries should continue to diversify her economy to take advantage of large labor potential and natural resources endowment.
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Faïz, Sami, and Khaoula Mahmoudi. "Semantic Enrichment of Geographical Databases." In Encyclopedia of Database Technologies and Applications. IGI Global, 2005. http://dx.doi.org/10.4018/978-1-59140-560-3.ch097.
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The distributed Web-based multi-document summarization system is conceived to enrich semantically Geographic Databases (GDB) (Faïz, 1999; Scholl et al., 1996). In fact, in a traditional database, for instance, a city is described by its alphanumeric features: name, population count, and so forth; however, in a GDB, it is further described by spatial attributes which indicate its position (coordinates) in the space and its shape (point, line, polygon, etc.). Although the use of this myriad of information (alphanumeric and spatial data), the GDB suffers from the lack of an exhaustive set of information describing in a quasi-complete way the entities handled by it (Faïz, 2001). Hence, Geographic Information System (GIS) is not able to provide the end-user with information not fed into the GDB and that is not inherent to the application for which the GIS is designed (Bâazaoui, Faïz & Ben Ghezala, 2001, 2003; Faïz, Abbassi & Boursier, 1998). For instance, given a map displayed on the screen, it is not possible to get economic or historical information about cities for a given country whenever the GIS is concerned only with administrative boundaries. Having this idea in mind, our intention is to profit from the huge mass of information available online to enrich semantically a GDB. To fulfill this purpose and to manage the great amount of documents retrieved from the Web in a quick and convenient fashion, we adopted the Text Mining techniques (Tan 1999; Weiss, Apte & Damerau, 1999) and more precisely the summarization. Indeed, with the fast growth in the amount of textual information available online and the multitude of documents reporting almost the same thing, there is clearly a strong need for automatic summarization that copes with not only one document at one time but a set of topically similar ones.
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Fujibayashi, Akiko. "Exploring the Collaborative Musical Experience of Swedish Bunne® Method in Japan." In Advances in Early Childhood and K-12 Education. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8042-3.ch007.
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Universal design has been a timely and important research topic of our time both in the realms of music therapy and education. Bunne Method, Swedish music method, was developed by Sten Bunne in 1980 to overcome physical and social difficulties and age gaps by sharing musical ensemble experience. This qualitative study explores the collaborative musical experience of elderly people and children in Japan by implementing Bunne Method. Bunne instruments are made in universal design with a four string swing bar guitar, one string mini bass, chime bar, monophonic flute for the use of anyone regardless of music experience, handicap, etc. In music activities with Bunne instruments, human physical, psychological, and social nature are activated in a synergistic manner so that it also helps to create positive feelings and confidence and livelihood through the pleasure of playing music.
Conference papers on the topic "Gps position mining"
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Li, Qingquan, Zhixiang Fang, Hanwu Li, and Hui Xiao. "Integrating GPS, GYRO, vehicle speed sensor, and digital map to provide accurate and real-time position in an intelligent navigation system." In MIPPR 2005 Geospatial Information, Data Mining, and Applications, edited by Jianya Gong, Qing Zhu, Yaolin Liu, and Shuliang Wang. SPIE, 2005. http://dx.doi.org/10.1117/12.651126.
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"Influence of Air Intake Holes’s Position for Primary and Secondary Zones on the Pattern Factor for Gas Turbine with Annular Combustors Designed for Ethanol." In International Conference Data Mining, Civil and Mechanical Engineering. International Institute of Engineers, 2014. http://dx.doi.org/10.15242/iie.e0214018.
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"Influence of Air Intake Holes’s Position for Primary and Secondary Zones on the Pattern Factor for Gas Turbine with Tubular Combustors Designed for Ethanol." In International Conference Data Mining, Civil and Mechanical Engineering. International Institute of Engineers, 2014. http://dx.doi.org/10.15242/iie.e0214031.
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Ishmanova, Dinora. "Investment Projects in Oil and Gas Industry in Uzbekistan." In International Conference on Eurasian Economies. Eurasian Economists Association, 2018. http://dx.doi.org/10.36880/c10.02064.
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In recent years, the oil and gas industry of Uzbekistan has been developing very fast, and oil and gas production has grown significantly. Uzbekistan achieved oil independence. Natural gas fields in the Republic are being exported to foreign countries as well as satisfying the needs of all types of industrial enterprises and population. Growth of oil and gas extraction is achieved by opening up of new oil and gas constructions and fields, increasing the efficiency of mining operations, and applying new methods of increasing the level of resource utilization. Determining the ultimate goal of socio-economic transformations in our country is the starting point of the current reform strategy. At the same time, the focus is on ensuring the dynamic development of the fuel and energy complex, increasing oil and gas extraction and processing, and gaining energy independence of the republic. LUKOIL is one of the world's largest vertically -Integrated companies engaged in the extraction and processing of oil and gas, manufacturing of petroleum products and petrochemicals. The main areas of its activity, the Company holds a leading position in the Russian and global markets.
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Verichev, Stanislav, Andrei Metrikine, Robert Plat, and Hayo Hendrikse. "Dynamics of the Vertical Hydraulic Transport System for Deep Sea Mining." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49464.
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Extractable deposits of silver, gold, copper, zinc, lead, gas hydrates and other valuable materials can be found at the ocean floor. The most valuable minerals are found at large depths, starting from 1000 m and deeper. Therefore, the leading offshore companies are currently designing systems and tools for deep sea mining. The mining at the desired depth of a few kilometers is a great challenge though as it has never been attempted before at the commercial scale. One of the fundamental design challenges lays in the understanding of and preventing from the problems associated with the dynamics of a subsea Vertical Transport System (VTS). The function of the VTS is to transport slurry (a thin mixture of water and finely divided minerals) from the seafloor to the mining support vessel. The VTS consists of a vertically hanging submerged pipe through which the slurry is transported upwards and a number of booster stations which maintain the pressure in the pipe that enables the desired slurry flow. The VTS system is subject to a number of the dynamic excitations such as the vessel motion, the slurry flow in the pipe, the sea current and a propulsion device that is envisaged to control the position of the lower end of the pipe at the desired location. To design a reliable VTS system the effect of all the above-mentioned excitation mechanisms has to be accounted for.
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Judge, Robert A., and Alan Yu. "Subsea Slurry Lift Pump for Deepsea Mining." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20543.
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Recent developments in subsea mining as well as oil & gas exploration and development drilling will require the use of a subsea pumping solution capable of handling slurries. These slurries are characterized by relatively large particle sizes and non-uniform flow conditions including fluctuating solids concentrations, densities, viscosities, and maximum particle size in both the mining and drilling applications. While challenging enough in surface applications, slurry transport problems are exacerbated by the vertical lift required in subsea use. This paper will first present the effect of each varying parameter on the overall horsepower required. Additionally, the pumping efficiency of some different pump types when responding to these changing conditions will be shown. From a control perspective, altering a pump’s speed in response to changing flow conditions presents some unique challenges. As an alternative to adjusting a rotary pump’s speed, an algorithm to control a positive displacement pumping solution to automatically adjust its output in this application is presented.
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Crassidis, Agamemnon, Wayne W. Walter, Douglas A. Carr, and Erin Long. "An Intelligent Robotic System Platform for Autonomous Mapping and Sensor Data Gathering of Non-GPS Friendly Environments." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79140.
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This paper presents results of a novel intelligent robotic system using a re-configurable platform for autonomous mapping and sensor data gathering of non-Global Positioning System (GPS) friendly, unknown and hazardous enclosed environments such as caves, underground and underwater tunnel networks, building floors, and spaces within a collapsed building rubble field. The work developed here forms a basis for a swarm of mini/micro robotic vehicles capable of autonomous routing and control with a self-contained navigation system that does not rely on GPS information. A robotic prototype capable of autonomously mapping a floor plan (such as hallways within a building) has been developed. The robot navigates autonomously without the use of GPS and gathers absolute position information developing a 2-dimensional map of the hallway network using a novel Mini Inertial Measurement/Navigation System (MIMNS) developed at RIT. Also, enhancements to the MIMNS unit are presented for estimating attitude orientation of the robot using an accelerometer based device allowing for non-flat plane mapping using the MIMNS unit. The paper presents the concepts of the robot hardware and software, results of a 2-dimensional mapping of a flat plane, and introduces simulation results of an accelerometer based attitude orientation device.
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Renigier-Biłozor, Małgorzata, and Andrzej Biłozor. "Comparative Analysis of Urban Condition the Residential Market Area with the Use of GIS Tools." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.117.
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Analysis of the significance of structural and spatial similarities aims to identify homogeneous categories of real estate markets on the basis of the urban features of the area. Real estate markets play an increasingly important role in the global economy and investment, which is why the reliable view of residential market area became an essential tool in the process of investment planning. The positions of particular cities that will be developed by themselves according to established criteria can be crucial when choosing an investment location, and can affect the range of influence of the central site for the entire region. The aim of the research is to conduct the comparative analysis of the condition of residential market area in relation to their urban features. The social, spatial, economic and residential factors will be analysed taking into consideration their exogenous structure. The assessments of coherence and diversification of esidential markets similarities in terms of their mutual location will be shown in the article. The developed methodology will be presented on the example of the largest residential markets centers in Poland. Due to the dynamic and complex nature of the information related to real estate (in various residential regions), and increase the objectivity of the results, the assumptions of data mining analysis and GiS tools will be used.
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Gao, Lijun, Hua Pang, Bingde Chen, Shengyao Jiang, Jiyang Yu, and Zhong Xiao. "Probability Analysis of the Fuel Microsphere Distribution of Dispersion-Type Nuclear Fuel Plates." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54154.
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The mechanism of microsphere interconnection through cracks, which is observed in post-irradiation examination of dispersion-type fuel plates for research reactor use and is responsible for blistering, is analyzed. The accumulation of fission gas with burnup and the resulting increase of gas pressure cause the metal matrix to crack and the fuel plate to blister. Based on the experimental observation, a small cylinder in the fuel mini-plate is chosen as the simulation volume. Assuming the diameter of fuel microspheres is identical and in normal distribution separately and the position of fuel microspheres is in uniform random distribution in the matrix, the distribution of fuel volume fraction in the cylinder of the mini-plate is simulated using Monte Carlo method. The analysis shows that the distribution of the fuel volume fraction is in good agreement with the normal distribution. Mini-plates with different fuel volume fractions are further calculated for comparison. The calculation for a full-size plate shows that as for the fuel volume fraction 0.21 and the inventory of reactor core the existence of cylinders with a fuel volume fraction which is susceptible to blistering turns out a possible threat to the fuel reliability. Probability analysis proves to be an effective technique for the quantitative characterization of dispersions.
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Guo, Shuangxi, Yilun Li, Min Li, Weimin Chen, and Yue Kong. "Dynamic Response Analysis on Flexible Riser With Different Configurations in Deep-Water Based on FEM Simulation." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77838.
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For case of oil/gas exploitation and mining in deep water, the length of riser is pretty large and, consequently, it brings huge challenges in both offshore installation and production operations and results in significant cost elevation due to the factors such as extreme tension loads induced from riser suspended self-weight and large structural flexibility. Therefore, there are several alternative riser configurations, e.g. lazy wave, hybrid tower and lazy-wave riser beside free hanging catenary, which have been proposed. In this paper, the dynamic characteristics and responses of several risers with typical configurations are considered and compared with each other based on our numerical simulations. Firstly, the nonlinear dynamic model of the riser systems are developed based on our 3d dynamic riser equations along with the modified FEM simulations. Then the dynamic response is analyzed based on our 3d curved flexible beam approach where the structural curvature changes with its spatial position and time in terms of vector equations. Compared with the linear approach, the nonlinear FEM method is used so as to consider large displacement/deformation, configuration geometry and structural stiffness changing with body motion. Moreover, the hydrodynamic force is considered as being related to body motion too. Based on the FEM numerical simulations, the influences of the amplitude/frequency of the top vessel motion along with the buoyancy modules/tower distribution along structural length on riser’s dynamic responses, in terms of the temporal-spatial evolution of displacement, curvature/bending stress and dynamic tension, are studied for different riser’s configurations. Our results show that the dynamic responses, particularly the maximum top tension, of different riser systems significantly change. Among the examined riser configurations, the response of the riser with more buoyancy modules may have lower value, and buoyancy distribution along structural length can influence the top tension and curvature.