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Wyniki wyszukiwania dla: DELIVERY MOBILE ROBOTS
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Some Artificial Intelligence Driven Algorithms For Mobile Edge Computing in Smart City
PublikacjaSmart mobile devices can share computing workload with the computer cloud that is important when artificial intelligence tools support computer systems in a smart city. This concept brings computing on the edge of the cloud, closer to citizens and it can shorten latency. Edge computing removes a crucial drawback of the smart city computing because city services are usually far away from citizens, physically. Besides, we introduced...
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Installation of GNSS receivers on a mobile railway platform – methodology and measurement aspects
PublikacjaDetermining the course of a railway track axis using satellite methods relies on ensuring the precise assembly of GNSS receivers in dedicated measuring devices. Depending on the number of receivers, solutions that are based on placing the apparatus directly above the railway track axis (as well as in eccentric positions) are used to indirectly obtain data to form the basis of the desired results. This publication describes the...
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The analysis of tram tracks geometrical layout based on Mobile Satellite Measurements
PublikacjaIn this article, the results of the research in a field of which uses active global navigation satellite system (GNSS) geodetic networks for the inventory of geodetic geometric tram tracks are presented. The applied measurement technique has been adapted for the designing of the geometric layout of tram tracks. Several configurations of receivers and settings of an active GNSS networks with the objective to increase the accuracy...
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A Method of Fast and Simultaneous Calibration of Many Mobile FMCW Radars Operating in a Network Anti-Drone System
PublikacjaA market for small drones is developing very fast. They are used for leisure activities and exploited in commercial applications. However, there is a growing concern for accidental or even criminal misuses of these platforms. Dangerous incidents with drones are appearing more often, and have caused many institutions to start thinking about anti-drone solutions. There are many cases when building stationary systems seems to be aimless...
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Optical properties of the chemotherapy drugs used in the central nervous system lymphoma therapy: monitoring drug delivery
PublikacjaOur aim is to optically monitor the delivery of the chemotherapy drugs for brain tumours, particularly used in the central nervous system (CNS) lymphoma therapy. In vivo monitoring would help to optimize the treatment and avoiding unnecessary medications. Moreover, it would be beneficial to be able to measure which of the multi-regimen drugs actually do penetrate and how well into the brain tissue. There exist several potential...
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Dynamic Signal Strength Mapping and Analysis by Means of Mobile Geographic Information System
PublikacjaBluetooth beacons are becoming increasingly popular for various applications such as marketing or indoor navigation. However, designing a proper beacon installation requires knowledge of the possible sources of interference in the target environment. While theoretically beacon signal strength should decay linearly with log distance, on-site measurements usually reveal that noise from objects such as Wi-Fi networks operating in...
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Development of Biocompatible Fe3O4@SiO2 Nanoparticles as Subcellular Delivery Platform for Glucosamine-6-phosphate Synthase Inhibitors
PublikacjaNumerous inhibitors of glucoseamine-6-phophate synthase (GlcN-6-P), the enzyme responsible from catalysis of the first step of metabolic pathway leading to metabolism 5’-diphospho-N-acetyl-D- glucosamine, were reported as effective agents for inhibiting the growth of various fungal pathogens. Among the reported inhibitors,...
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Recent Advances in Polymer-Based Vaginal Drug Delivery Systems
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Chitosan-Based Nanoparticles as Effective Drug Delivery Systems—A review
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Wettability and Stability of Naproxen, Ibuprofen and/or Cyclosporine A/Silica Delivery Systems
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Chitosan as Valuable Excipient for Oral and Topical Carvedilol Delivery Systems
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Antibiotic loaded microspheres as antimicrobial delivery systems for medical applications
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Filling of Carbon Nanotubes: Containers for Magnetic Probes and Drug Delivery
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Encouraging pro-environmental behaviour through an educational mobile application: Preliminary insights from early adopters
PublikacjaThis article aims to explore the extent to which the educational mobile application PULA supports and promotes pro-environmental behaviours, identify the most utilised functionalities by early adopters, and explore the least engaged functionalities. The study employs a quantitative approach based on data collected from the application. The analysis provides a comprehensive understanding of users' experiences and behaviours within...
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Encouraging Pro-environmental Behaviour Through an Educational Mobile Application: Preliminary Insights from Early Adopters
PublikacjaThis article aims to explore the extent to which the educational mobile application PULA supports and promotes pro-environmental behaviours, identify the most utilised functionalities by early adopters, and explore the least engaged functionalities. The study employs a quantitative approach based on data collected from the application. The analysis provides a comprehensive understanding of users' experiences and behaviours within...
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Proposal of a Mobile Medical Waste Incinerator with Application of Automatic Waste Feeder and Heat Recovery System as a Novelty in Poland
PublikacjaThe paper presents and discusses the issues of medical waste (including hazardous ones) and the problems regarding their proper management in Poland. Inappropriate handling of infectious medical waste directly endangers human health and the environment. Infectious waste must be properly disposed of—in practice, the only method of their disposal available in Poland is a thermal treatment in the incinerators tailored for this purpose....
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Weakly cooperative mobile guards in grids.
PublikacjaProblem straży w kratach stanowi przypadek problemu minimalnego pokrycia spójnego podzbioru płaszczyzny przez pewne szczególne podzbiory. W modelu tym przyjmuje się, że strażnik porusza się wzdłuż odcinka kraty i widzi wszystkie przecinające się z nim (prostopadłe) odcinki. W rozważanym modelu współpracy zakłada się, że każdy strażnik musi być widziany przez przynajmniej jednego innego strażnika. W pracy pokazano dowód NP-zupełności...
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An interactive system for mobile robot navigation
PublikacjaW pracy przedstawiono interaktywny system do zdalnego sterowania robotem mobilnym zbudowany przy użyciu języka VRML. System jest wspomagany przez algorytm wyznaczania optymalnej trajektorii ruchu robota mobilnego poruszającego się w obecności przeszkód statycznych. Otoczenie reprezentowane jest przez graf nieskierowany. W metodzie wykorzystano algorytm Dijkstry.
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Multimedia mobile services for the semantic web
PublikacjaDokument przedstawia metodologię tworzenia semantycznie rozszerzonych multimedialnych usług mobilnych z wykorzystaniem narzędzi i ułatwień oferowanych przez projekt DESYME. Zaprezentowano zwięzły wstęp do tematyki sieci Semantycznej wraz z wyjaśnieniem jej związku z zagadnieniami Web Services. Następnie przedstawiono opis projektu DESYME. Przedstawiono również przykładowe usługi multimedialne, które są opracowywane w Katedrze Systemów...
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Anonymity Architecture for Mobile Agent Systems
PublikacjaThe paper presents a new security architecture for MAS, which supports anonymity of agent owners. The architecture is composed of two main elements: Module I: Untraceability Protocol Infrastructure and Module II: Additional Untraceability Support. Module I is based on the recently proposed untraceability protocol for MAS and it forms the core of the anonymity architecture, which can be supported by the ele- ments of the second...
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AEGIS – Mobile Device for Generating Electromagnetic Curtain for Special Applications and Countering the Threats of RCIED
PublikacjaIn the article the assumptions, design and realization of the technological demonstrator of a mobile device for generating an electromagnetic curtain (with a cryptonym AEGIS) were presented, both in the area of hardware and software. The device is designed to block the radio communication systems by which it is possible to detonate the Radio Controlled Improvised Explosive Devices (RCIEDs). The preliminary laboratory tests of the...
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Digital Filtering of Railway Track Coordinates in Mobile Multi–Receiver GNSS Measurements
PublikacjaThe article discusses an important issue in connection with the technique of mobile Global Navigation Satellite System (GNSS) measurements of railway track coordinates, which is digital filtering performed to precisely determine railway track axes. For this purpose, a measuring technique is proposed which bases on the use of a measuring platform with a number of appropriately distributed GNSS receivers, where two of them determine...
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Greencoin: prototype of a mobile application facilitating and evidencing pro-environmental behavior of citizens
PublikacjaAmong many global challenges, climate change is one of the biggest challenges of our times. While it is one of the most devastating problems humanity has ever faced, one question naturally arises: can individuals make a difference? We believe that everyone can contribute and make a difference to the community and lives of others. However, there is still a lack of effective strategies to promote and facilitate pro-environmental...
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DOP and Pseudorange Error Estimation in Urban Environments for Mobile Android GNSS Applications
PublikacjaJust a couple of years ago, GNSS (Global Navigation Satellite Systems) were available only for a narrow group of users. Currently, with the outbreak of mobile devices, they are accessible to anyone and everywhere. Urban navigation or searching for POIs (Points of Interest) had become an everyday activity. With the availability of consumer electronics and wireless technologies, each user can obtain information considering his or...
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Optimization of the autoconfiguration mechanisms of the mobile stations supporting IPv6 protocol in the IEEE 802.16
PublikacjaCelem pracy jest analiza funkcjonowania procedur przełączania w sieciachWiMAX/IPv6, wybór mechanizmów będących powodem największych opóźnień izaproponowanie ich poprawy. Teza pracy dotyczy wykazania, że procesrekonfiguracji IPv6 w czasie przełączenia w sieciach 802.16 nie jestoptymalny i możliwe jest osiągnięcie zwiększonej wydajności przełączaniapoprzez modyfikację protokołów IPv6, DHCPv6 oraz Mobile IPv6. Na drodzedo osiągnięcia...
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Comparing Apples and Oranges: A Mobile User Experience Study of iOS and Android Consumer Devices
PublikacjaWith the rapid development of wireless networks and the spread of broadband access around the world, the number of active mobile user devices continues to grow. Each year more and more terminals are released on the market, with the smartphone being the most popular among them. They include low-end, mid-range, and of course high-end devices, with top hardware specifications. They do vary in build quality, utilized type of material,...
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The role and importance of WIMAX mobile system as a high-performance data transfer technology in wireless sensor networks for wide area monitoring applications
PublikacjaThe study discuses basic features and functional design of WiMAX Mobile system, based on the IEEE 802.16e (Release 1.5 Rev. 2.0) standard. The analysis has been made in terms of ability to use this system to transmit video stream related to monitoringof large agglomeration areas. What is more, the study includes comparison of technical parameters of WiMAX Mobile system with competitive systems such as: HSPA+ and UMTS-LTE, which...
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The Application of a Mobile Unmanned Device for Monitoring Water and Sediment Pollution in the Port of Gdynia
PublikacjaPollution in the Port of Gdynia can encompass various types of substances and contaminants that affect the quality of water and sediment in this region. Ships entering and leaving the port can release pollutants such as oil, fuel, waste, and chemicals into the water. Controlling and monitoring these pollutants is a crucial part of environmental stewardship. In recent years, uncrewed units have been increasingly in use for in situ...
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CNN-CLFFA: Support Mobile Edge Computing in Transportation Cyber Physical System
PublikacjaIn the present scenario, the transportation Cyber Physical System (CPS) improves the reliability and efficiency of the transportation systems by enhancing the interactions between the physical and cyber systems. With the provision of better storage ability and enhanced computing, cloud computing extends transportation CPS in Mobile Edge Computing (MEC). By inspecting the existing literatures, the cloud computing cannot fulfill...
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Exploring perceptions of pro environmental educational mobile applications based on semantic field analysis
PublikacjaThe paper aims to identify multidimensional perceptions of mobile apps by their users. Special attention has been paid to pro-environmental educational apps. Semantic field analysis and measurement of emotional temperatures were performed to achieve this goal. Transcripts from seven focus group interviews were used as research material. The results indicate that functionality based on a reward or benefit system reinforces environmentally...
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Embedded device for indoor positioning of mobile terminals in ISM 2.4 GHz frequency band integrated with ESPAR antenna
PublikacjaIn the era of multifunctional mobile phones, wireless positioning is one of the most important branches of telecommunications development. This functionality is possible thanks to global positioning systems such as GPS, whose services are available to every average user. Global systems, however, suffer from their low accuracy in confined environments such as forests and building interiors. A popular...
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Single-wall carbon nanotubes based anticancer drug delivery system
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Does Obesity Influence Women’s Decision Making about the Mode of Delivery?
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Multi‐wall carbon nanotubes – a vehicle for targeted Irinotecan drug delivery
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Natural carbon-based quantum dots and their applications in drug delivery: A review
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pH-dependent composite coatings for controlled drug delivery system - Review
PublikacjaNowadays in case of long-term implants, the most common postoperative complications are bacterial infections, which in consequence may provoke loos- ening of the implants in the primary phase of stabilization. Bacterial infections are currently the most frequent cause of revision surgery of the implants such as hip joint endoprosthesis, knee joint endoprosthesis and dental implants. In order to provide the local and long-term antibacterial...
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Do online reviews reveal mobile application usability and user experience? The case of WhatsApp
PublikacjaThe variety of hardware devices and the diversity of their users imposes new requirements and expectations on designers and developers of mobile applications (apps). While the Internet has enabled new forms of communication platform, online stores provide the ability to review apps. These informal online app reviews have become a viral form of electronic wordof-mouth (eWOM), covering a plethora of issues. In our study, we set ourselves...
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On the Consumption of Multimedia Content Using Mobile Devices: a Year to Year User Case Study
PublikacjaIn the early days, consumption of multimedia content related with audio signals was only possible in a stationary manner. The music player was located at home, with a necessary physical drive. An alternative way for an individual was to attend a live performance at a concert hall or host a private concert at home. To sum up, audio-visual effects were only reserved for a narrow group of recipients. Today, thanks to portable players,...
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Mobile system for on-road measurements of air pollutants
PublikacjaW pracy zaprezentowano prototyp mobilnej stacji diagnostycznej do pomiarów stężeń typowych zanieczyszczeń powietrza (C6H6, NO2, NOx, CO i CO2) pochodzących z komunikacji w miastach. Nowością proponowanego systemu jest możliwość przeprowadzania pomiarów emisji zanieczyszczeń wzdłuż ciągów komunikacyjnych i w miejscach, w których nie mogą być zastosowane stacjonarne stacje monitoringowe. W proponowanym rozwiązaniu, urządzenie...
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Remote DHCPv6 autoconfiguration for mobile IPv6 nodes
PublikacjaPrzedstawiono ideę przełączania międzydomenowego węzłów wspierających protokół IPv6, z wykorzystaniem procedur stanowej (statefull) z użyciem serwerów autokonfiguracji DHCPv6. Dokonano analizy czasu trwania procesów przełączania w warstwach: drugiej i trzeciej. Zaproponowano zmodyfikowaną metodę autokonfiguracji węzła, pozwalającą na wyeliminowanie przerwy w transmisji związanej z wykrywaniem zduplikowanych adresów (Duplicate Address...
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Zastosowanie sieci Mobile WiMAX w aglomeracji
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Selected problems of navigation of educational mobile robot
PublikacjaW artykule przedstawiono ideę sterowania układem autonomicznego robota mobilnego skonstruowanego do celów edukacyjnych. Opisano strukturę mechaniczną układu, układy sensorów oraz zakres możliwości wynikających z działania oprogramowania robota.
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Localization of Mobile Robot Using Radio Waves
PublikacjaOpisano systemy lokalizacji robotów mobilnych wykorzystujące metody triangulacji i trilateracji, w przestrzeniach dwuwymiarowych. Zaproponowano metodę pomiaru odległości drogą radiową oraz przedstawiono uzyskane wyniki badań.
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Mobile satellite measurements on the Pomeranian Metropolitan Railway
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Project DESYME - development system for mobile services
PublikacjaPrzedstawiono cele, aspekty techniczne i strukturę programu europejskiego DESYME. Przeanalizowano aktualny stan techniki i trudności, na jakie napotykają podmioty usiłujące wykorzystać techniki mobilne w swych przedsięwzięciach. Przedstawiono potencjalne korzyści płynące z implementacji w tych warunkach wyników projektu DESYME. Skrótowo przedstawiono architekturę proponowanych rozwiązań oraz wykorzystywane techniki. Przedstawiono...
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THE ROLE OF INFERENCE IN MOBILE MEDICAL APPLICATION DESIGN
PublikacjaIn the early 21st century, artificial intelligence began to be used to process medical information. However, before this happened, predictive models used in healthcare could only consider a limited number of variables, and only in properly structured and organised medical data. Today, advanced tools based on machine learning techniques - which, using artificial neural networks, can explore extremely complex relationships - and...
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Charakterystyki jakościowe systemu Wimax mobile z interfejsem SOFDMA/TDD w łączu w górę
PublikacjaW pracy przedstawiono założenia systemu WiMAX Mobile, podstawowe cechy interfejsu SOFDMA/TDD oraz wyniki badań symulacyjnych, obejmującychwyznaczanie charakterystyk jakościowych tego systemu, tj. zależności blokowej stopy błędów od stosunku sygnału do szumu dla różnych rodzajów modulacji i kodowania. Prezentowane wyniki badań uwzględniają mobilność terminali w dostępie do usług i dotyczą łącza w górę.W kontekście przeprowadzonych...
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Badanie metod szeregowania danych w systemie WiMAX Mobile z wykorzystaniem standaryzowanych modeli kanału
PublikacjaW referacie omówiono podstawowe założenia systemu WiMAX Mobile oraz przedstawiono i przeanalizowano wyniki badań symulacyjnych wybranych metod szeregowania danych i przydziału podnośnych. W oparciu o uzyskane wyniki badań, dokonano analizy porównawczej dwóch popularnych metod szeregowania danych tj. WRR i PF oraz własnej metody CDFQ, wykorzystującej w procesie kolejkowania i przydziału zasobów informację...
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Optical Sensor Based Gestures Inference Using Recurrent Neural Network in Mobile Conditions
PublikacjaIn this paper the implementation of recurrent neural network models for hand gesture recognition on edge devices was performed. The models were trained with 27 hand gestures recorded with the use of a linear optical sensor consisting of 8 photodiodes and 4 LEDs. Different models, trained off-line, were tested in terms of different network topologies (different number of neurons and layers) and different effective sampling frequency...
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Efficient handover scheme for Mobile IPv4 over IEEE 802.11 networks with IEEE 802.21 triggers.
PublikacjaEfektywność przełączania jest bardzo istotnym parametrem, decydującym o pracy sieci bezprzewodowych, realizujacych usługi multimedialne na wysokim poziomie jakości. Użytkownicy takich sieci oczekują ciągłej obsługi podczas procesu przemieszczania się. Okazuje się, że istotnym źródlem opóźnień są nieefektywne procedury przełączania w warstwach drugiej i trzeciej, wynikający częściowo z postulatu o separacji funkcji realizowanych...