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Tytuł:
Online Robotic Labs In Software Engineering Courses
Zdalne laboratoria robotyki w zajęciach inżynierii oprogramowania
Autorzy:
Gonzalez, F.
Zalewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/266592.pdf
Data publikacji:
2014
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Tematy:
online labs
robotics labs
STEM curriculum
software engineering education
laboratorium robotów
inżynieria oprogramowania
robotyka
Opis:
Florida Gulf Coast University, College of Engineering has developed over recent years a sophisticated undergraduate software engineering lab for use in embedded systems and related team project courses. A number of teaching modules have been developed, with emphasis on security, complex systems, and webbased access. The objective of the current project is to focus on developing a lab specific to robotics applications, with online access, which can be used across the undergraduate curricula, especially in software engineering courses. Creating an Online Robotics Lab takes advantage of the existing equipment, software and curricular modules to expand them for broader use, and help develop a more advanced full-scale operation across the curriculum. Developing such a lab will have an impact on advancing teaching in disciplines such as Sciences, Technology, Engineering and Math (STEM).
W ciągu ostatnich kilku lat, na Wydziale Inżynierii Florida Gulf Coast University, powstało bardzo złożone laboratorium inżynierii oprogramowania przenaczone do zajęć z systemów wbudowanych i innych kursów uwzględniających projekty zespołowe. Opracowane zostały odpowiednie moduły nauczania, na tematy związane z bezpieczeństwem, systemami złożonymi, i dostępem przez Internet. Celem obecnego projektu jest utworzenie laboratorium specyficznego dla potrzeb robotyki, z dostępem przez Internet, które moża wykorzystywać w innych dziedzinach, a wszczególności w inżynierii oprogramowania. Proces tworzenia laboratorium opiera się na istniejących urządzeniach, oprogramowaniu i modułach nauczania, z roszerzeniem ich w kierunku zastosowania w kursach z innych dziedzin, poza inżynierią. Laboratorium takie będzie miało wpływ na postęp w nauczaniu w takich dyscyplinach, jak nauki ścisłe, technologia, inżynieria i matematyka. W artykule opisano proces tworzenia i użycia modułów z wykorzystaniem ośmiu urządzeńrobotów, począwszy od prostych robotów Lego, do skomplikowanych pojazdów sterowanych zdalnie przez Internet.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2014, 37; 15-18
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Senior lab projects for teaching the Internet of Things in a Software Engineering program
Laboratoria dla „Internetu rzeczy” w programie Inżynierii Oprogramowania
Autorzy:
Gonzalez, F.
Guo, D.
Nowicki, A.
Zalewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/268134.pdf
Data publikacji:
2017
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Tematy:
internet of things (IoT)
cloud computing
engineering education
software engineering education
online labs
Internet rzeczy
przetwarzanie w chmurze
kształcenie inżynierów
inżynieria oprogramowania
zdalne laboratorium
Opis:
This paper addresses student labolatories for courses related to the Internet of Things (IoT) in an undergraduate Software Engineering program. It revews the concept of the IoT, first, then discusses benefits of IoT in education, especially in engineering, and finally presents examples of projects, reviewing some more fundamental concepts of introducing such labs. Specific examples of IoT projects include software development for: a robotic arm accessed through AWS, GPS tracker with Sparkfun data stream services, online health monitoring with a smartwatch and Google Cluod, and remote relay access from a phone with MQTT service.
W artykule omówiono zagadnienia laboratoriów studenckich dla kursów związanych z „Internetem rzeczy”, w programie studiów Inżynierii Oprogramowania. Przedstawiono koncepcję Internetu rzeczy i omówiono korzyści płynące z użycia tej technologii w kształceniu, szczególnie w dyscyplinach inżynierskich, dyskutując podstawowe problemy z tym związane. W szczególności, opisano praktyczne rozwiązania problemów laboratoryjnych, z użyciem robota, systemu GPS, inteligentnego zegarka i zdalnego przekaźnika, oraz przekazywania odpowiednich danych do przetwarzanuia w chmurze.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2017, 52; 31-36
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A note on bounded harmonic functions over homogeneous trees
Autorzy:
Gonzalez-Vieli, F. J.
Powiązania:
https://bibliotekanauki.pl/articles/254752.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
bounded harmonic function
homogenous tree
Opis:
Let Τk be the homogeneous tree of degree k ≥ 3. J. M. Cohen and F. Colonna have proved that if ƒ is a bounded harmonic function on Τk, then [formula]for any adjacent vertices x and y in Τk. We give here a new and very simple proof of this inequality.
Źródło:
Opuscula Mathematica; 2013, 33, 4; 697-700
1232-9274
2300-6919
Pojawia się w:
Opuscula Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Aerobiological study in east - central iberian peninsula: pollen diversity and dynamics for major taxa
Autorzy:
Perez-Badia, R.
Rapp, A.
Vaquero, C.
Fernandez-Gonzalez, F.
Powiązania:
https://bibliotekanauki.pl/articles/50584.pdf
Data publikacji:
2011
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2011, 18, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Estimation of composite load model parameters using improved particle swarm optimization
Autorzy:
Regulski, P.
Gonzalez-Longatt, F.
Terzija, V.
Powiązania:
https://bibliotekanauki.pl/articles/410557.pdf
Data publikacji:
2012
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
load modeling
parameter estimation
particle swarm optimization (PSO)
composite load model
Opis:
Power system loads are one of its crucial elements to be modeled in stability studies. However their static and dynamic characteristics are very often unknown and usually changing in time (daily, weekly, monthly and seasonal variations). Taking this into account, a measurement-based approach for determining the load characteristics seems to be the best practice, as it updates the parameters of a load model directly from the system measurements. To achieve this, a Parameter Estimation tool is required, so a common approach is to incorporate the standard Nonlinear Least Squares, or Genetic Algorithms, as a method providing more global capabilities. In this paper a new solution is proposed -an Improved Particle Swarm Optimization method. This method is an Artificial Intelligence type technique similar to Genetic Algorithms, but easier for implementation and also computationally more efficient. The paper provides results of several experiments proving that the proposed method can achieve higher accuracy and show better generalization capabilities than the Nonlinear Least Squares method. The computer simulations were carried out using a one-bus and an IEEE 39-bus test system.
Źródło:
Present Problems of Power System Control; 2012, 2; 41-51
2084-2201
Pojawia się w:
Present Problems of Power System Control
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First insight into the diversity of snakes in the Pleistocene of Cuba
Autorzy:
Syromyatnikova, E.
Aranda, E.
Gonzalez, S.F.
Powiązania:
https://bibliotekanauki.pl/articles/2082334.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Reptilia
Serpentes
insular biodiversity
extinction
Pleistocene
Cuba
Opis:
The herpetofaunal biodiversity of West Indies suffered a significant change during the last few million years that is well documented for some squamate reptilies (lizards). However, almost nothing is known about past biodiversity of snakes, which are active predators and important component of terrestrial ecosystems. Here we describe the fossil remains of snakes (Reptilia: Serpentes) from the late Pleistocene of El Abrón Cave, Cuba. This is the first representative assemblage of fossil snakes from Cuba. It allows us to evaluate the taxonomic diversity of snakes in the Pleistocene of the island for the first time. The material includes eight taxa from the four snake families: cf. Cubatyphlops (Typhlopidae), Tropidophis melanurus, Tropidophis sp., Cubophis cf. cantherigerus, Arrhyton sp., cf. Caraiba andreae, Dipsadidae indet., and Natricidae indet. (Natricidae). Two (Dipsadidae indet. and Natricidae indet.) are not known in the modern fauna of Cuba. The assemblage from El Abrón Cave shows that ophidian Pleistocene assemblage was different from modern snake fauna of Cuba and was probably more diverse at genus level than it is now. Most of taxa revealed in El Abrón Cave were not previously known in the fossil record.
Źródło:
Acta Palaeontologica Polonica; 2021, 66, 2; 395-407
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Characterization of sub-channel based Málaga atmospheric optical links with real β parameter
Autorzy:
López-González, F. J.
Jurado-Navas, A.
Garrido-Balsells, J. M.
Castillo-Vázquez, M.
Puerta-Notario, A.
Powiązania:
https://bibliotekanauki.pl/articles/174807.pdf
Data publikacji:
2017
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
Malaga distribution
generalized-K distribution
atmospheric optical communications
atmospheric propagation
atmospheric turbulence
scintillation
Opis:
A generalization of the Málaga atmospheric optical communications links treated as a finite number of generalized-K distributed sub-channels is analyzed in terms of outage probability and outage rate when its β parameter belongs to the set of real numbers. To the best of the author’s knowledge, this is the first time that β ∈ ℜ is considered. The new analytical expressions derived in this paper lead to a new physical and more realistic interpretation of atmospheric optical links, especially in terms of performance.
Źródło:
Optica Applicata; 2017, 47, 4; 545-556
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lower Tithonian microconchiate simoceratins from eastern Mexico: Taxonomy, biostratigraphy, and palaeobiogeography
Autorzy:
Villasenor, A.
Oloriz, F.
Gonzalez-Arreola, C.
Powiązania:
https://bibliotekanauki.pl/articles/22008.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
biostratigraphy
paleobiogeography
paleontology
taxonomy
Mexico
Eastern Mexico
Ammonitina
Pseudovolanoceras
Tithonian
Upper Jurassic
Jurassic
deposit
Pseudovolanoceras aesinense
Pseudovolanoceras aesinense chignahuapense
new subspecies
ammonite
microconchiate simoceratin
simoceratin
Opis:
The precise record of simoceratins sampled bed−by−bed is first reported from Mexico (Mazatepec area in Puebla, central−eastern Mexico), as well as the existence of lappeted peristomes in these ammonites. Both Pseudovolanoceras aesinense and the subspecies Pseudovolanoceras aesinense chignahuapense are shown to occur among Mexican simoceratins. The European species and the Mexican subspecies share the same stratigraphic range in the studied sections, yet they differ in ephebic sculpture. Ecological adaptation to neritic seas corresponding to eastern Mexico areas is interpreted, forcing phenotypic deviation with geographic significance, i.e., subspeciation. The new subspecies would indicate stratigraphic horizons within the Semiformiceras semiforme/Haploceras verruciferum Chronozone in the Mediterranean Tethys. A revision of contemporaneous simoceratins in the Americas is founded on a comparative analysis with respect to the European species P. aesinense.
Źródło:
Acta Palaeontologica Polonica; 2011, 56, 1
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Statistical Approach To Prediction Of The CMM Drift Behaviour Using A Calibrated Mechanical Artefact
Autorzy:
Cuesta, E.
Alvarez, B.
Sanchez-Lasheras, F.
Gonzalez-Madruga, D.
Powiązania:
https://bibliotekanauki.pl/articles/221090.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multivariate regression models
coordinate measuring machine
drift behaviour
calibration
Opis:
This paper presents a multivariate regression predictive model of drift on the Coordinate Measuring Machine (CMM) behaviour. Evaluation tests on a CMM with a multi-step gauge were carried out following an extended version of an ISO evaluation procedure with a periodicity of at least once a week and during more than five months. This test procedure consists in measuring the gauge for several range volumes, spatial locations, distances and repetitions. The procedure, environment conditions and even the gauge have been kept invariables, so a massive measurement dataset was collected over time under high repeatability conditions. A multivariate regression analysis has revealed the main parameters that could affect the CMM behaviour, and then detected a trend on the CMM performance drift. A performance model that considers both the size of the measured dimension and the elapsed time since the last CMM calibration has been developed. This model can predict the CMM performance and measurement reliability over time and also can estimate an optimized period between calibrations for a specific measurement length or accuracy level.
Źródło:
Metrology and Measurement Systems; 2015, 22, 3; 417-428
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Improving the intensification and diversification balance of the tabu solution for the Robust Capacitated International Sourcing problem (RoCIS)
Autorzy:
Huacuja, H. J. F.
González-Velarde, J. R.
Valdez, G. C.
Powiązania:
https://bibliotekanauki.pl/articles/385145.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
RoCis
heuristic approach
optimization
initial solution
tabu search
memory strategies
Opis:
This paper addresses the robust capacitated international sourcing problem (RoCIS), which consists of selecting a subset of suppliers with finite capacity, from an available set of potential suppliers internationally located. This problem was introduced by González-Velarde and Laguna in [1], where they propose a deterministic solution method based on tabu search memory strategies. The pro cess consists of three steps: build an initial solution, create a neighborhood of promising solutions and perform a local search in the neighborhood. In this work we propose improving the construction of the initial solution, the cons truction of the neighborhood, the local search, and the intensification and diversification balance. Experimental evidence shows that the improved tabu solution with diver sification outperforms the best solutions reported for six of the instances considered, increases by 18% the number of best solutions found and reduces by 44% the deviation of the best solution found, respect to the best algorithm reported.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 4; 64-73
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of silicon and calcium application on growth, yield and fruit quality parameters of cucumber established in a sodic soil
Autorzy:
González-Terán, G.E.
Gómez-Merino, F.C.
Trejo-Téllez, L.I.
Powiązania:
https://bibliotekanauki.pl/articles/12714269.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
Opis:
Soil salinity is a growing problem that affects crop quality. Cucumber is a vegetable eaten fresh, with great worldwide demand, making its chemical and physical characteristics important. In the present work, the effects of foliar application of silicon (Si: 0 and 2 mM), calcium (Ca: 0 and 2 mM), and the combination of both (Si + Ca: 0 + 0 mM, 2 + 0 mM, 0 + 2 mM and 2 + 2 mM) on dry matter of leaves and stems, yield and fruit quality of cucumbers grown in a sodic soil were studied. Treatments did not affect dry biomass, yield and product size. The obtained results show that applying foliar Ca increases total soluble solids in comparison to the control. Foliar Si application significantly increased fruit firmness in the end towards the peduncle. Moreover, foliar Ca application increased the fruit hue angle (intense green), while foliar Si application increased chroma (dark green), both significantly regarding the control. The individual applications of Si and Ca were proven to differentially improve the fruit quality parameters of cucumber in sodic soil conditions.
Źródło:
Acta Scientiarum Polonorum. Hortorum Cultus; 2020, 19, 3; 149-158
1644-0692
Pojawia się w:
Acta Scientiarum Polonorum. Hortorum Cultus
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prediction of biological sensors appearance with ARIMA models as a tool for Integrated Pest Management protocols
Autorzy:
Fernandez-Gonzalez, M.
Ramos-Valcarcel, D.
Aira, M.J.
Rodriguez-Rajo, F.J.
Powiązania:
https://bibliotekanauki.pl/articles/50204.pdf
Data publikacji:
2016
Wydawca:
Instytut Medycyny Wsi
Źródło:
Annals of Agricultural and Environmental Medicine; 2016, 23, 1
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Numerical and Physical Parametric Analysis of a SEN with Flow Conditioners in Slab Continuous Casting Mold
Autorzy:
Gonzalez-Trejo, J.
Real-Ramirez, C. A.
Miranda-Tello, R.
Rivera-Perez, F.
Cervantes-de-la-Torre, F.
Powiązania:
https://bibliotekanauki.pl/articles/351515.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
submerged entry nozzle
fluid-flow modifiers
continuous casting of steel
mold flow patterns
turbulence
Opis:
Some of the most recent technologies that improves the performance in continuous casting process has installed infrastructure outside the mold to modify the natural fluid flow pattern to obtain a quasi-steady condition and promote a uniform solidified shell of steel. The submerged entry nozzle distributes the liquid steel in the mold and can be used to obtain the flow symmetry condition with external geometry improvements. The fluid flow conditioners were located near the outlet ports of the nozzle. The aim of the modifiers is to impose a pseudo symmetric pattern in the upper zone of the mold by inhibiting the fluid exchange between the zones created by conditioners. This work evaluates the effect of the thickness and length of the fluid-flow modifiers on the overall performance of the submerged nozzle. These properties of the fluid-flow modifiers were normalized based on two of the geometric dimensions of the standard equipment. Numerical and physical simulations suggest that the flow modifier should be as thin as possible.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 2A; 927-946
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Optimized Propagation Model based on Measurement Data for Indoor Environments
Autorzy:
Morocho-Yaguana, M.
Ludeňa-González, P.
Sandoval, F.
Poma-Vélez, B.
Erreyes-Dota, A.
Powiązania:
https://bibliotekanauki.pl/articles/308451.pdf
Data publikacji:
2018
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
indoor
ITU model
log-distance model
loss measurement
one-slope model
path loss
propagation measurements
propagation models
radio propagation
Opis:
Propagation is an essential factor ensuring good coverage of wireless communications systems. Propagation models are used to predict losses in the path between transmitter and receiver nodes. They are usually defined for general conditions. Therefore, their results are not always adapted to the behavior of real signals in a specific environment. The main goal of this work is to propose a new model adjusting the loss coefficients based on empirical data, which can be applied in an indoor university campus environment. The Oneslope, Log-distance and ITU models are described to provide a mathematical base. An extensive measurement campaign is performed based on a strict methodology considering different cases in typical indoor scenarios. New loss parameter values are defined to adjust the mathematical model to the behavior of real signals in the campus environment. The experimental results show that the model proposed offers an attenuation average error of 2.5% with respect to the losses measured. In addition, comparison of the proposed model with existing solutions shows that it decreases the average error significantly for all scenarios under evaluation.
Źródło:
Journal of Telecommunications and Information Technology; 2018, 2; 69-75
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 26

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