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Year 2019

Year 2015

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Year 2022

  • Analysis of data fusion algorithms for the vessel with the dynamic positioning system
    Publication

    The dynamic positioning (DP) system on the vessel is operated to control the position and heading of the vessel with the use of propellers and thrusters installed on the board. On DP vessels redundant measurement systems of position, heading and the magnitude and direction of environmental forces are required for safety at sea. In this case, a fusion of data is needed from individual measurement devices. The article proposes a...

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  • Analysis of exhaled breath for dengue disease detection by low-cost electronic nose system
    Publication

    - MEASUREMENT - Year 2022

    This paper presents a procedure and a set-up of an electronic nose system analyzing exhaled breath to detect the patients suffering from dengue – a mosquito-borne tropical disease. Low-power resistive gas sensors (MiCS-6814, TGS8100) were used to detect volatile organic compounds (VOCs) in the exhaled breath. The end-tidal phase of patients exhaled breath was collected with a BioVOCTM breath sampler. Two strategies were assessed...

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  • Analysis of Factors Influencing the Prices of Tourist Offers

    Tourism is a significant branch of many world economies. Many factors influence the volume of tourist traffic and the prices of trips. There are factors that clearly affect tourism, such as COVID-19. The paper describes the methods of machine learning and process mining that allow for assessing the impact of various factors (micro, mezzo and macro) on the prices of tourist offers. The methods were used on large sets of real data...

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  • Analysis of floor-to-column pounding of buildings founded on different soil types

    The aim of this study is to investigate the effect of the soil type on buildings experiencing floor-to-column pounding during earthquakes. Five buildings with 4-storeys, 6-storeys, and 7-storeys were considered. Three types of the 4-storey building with different total heights were taken into account which leads to floor-to-column pounding at 1/3, 1/2 and 2/3 of the height of the impacted column. Two pounding scenarios were considered,...

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  • Analysis of Impulse Responses Measured in Motion in a Towing Tank
    Publication

    - Electronics - Year 2022

    The growing interest in developing autonomous underwater vehicles (AUVs) and creating underwater sensor networks (USNs) has led to a need for communication tools in underwater environments. For obvious reasons, wireless means of communication are the most desirable. However, conducting research in real conditions is troublesome and costly. Moreover, as hydroacoustic propagation conditions change very significantly, even during...

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  • Analysis of Methods for Determining Shallow Waterbody Depths Based on Images Taken by Unmanned Aerial Vehicles
    Publication
    • M. Specht
    • M. Wiśniewska
    • A. Stateczny
    • C. Specht
    • B. Szostak
    • O. Lewicka
    • M. Stateczny
    • S. Widźgowski
    • A. Halicki

    - SENSORS - Year 2022

    Hydrographic surveys enable the acquisition and processing of bathymetric data, which after being plotted onto nautical charts, can help to ensure safety of navigation, monitor changes in the coastal zone, and assess hydro-engineering structure conditions. This study involves the measurement of waterbody depth, identification of the seabed shape and geomorphology, the coastline course, and the location of underwater obstacles....

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Year 2016

Year 2021

  • Analysis of energy efficiency of suburban railway transport network
    Publication

    Rising numbers of agglomeration residents cause increased need for people movement on daily basis. Because of congestion of local roads, air pollution and limited parking space, providing mass transit based on electric traction is reasonable. While the electric rail vehicles are considered highly efficient in themselves, they need to be analyzed as a part of a transport network, because energy consumption depends on operating conditions...

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  • Analysis of Failure Mechanism in Joints with Positive Eccentricity in CFS Truss

    The paper presents studies concerning the load-bearing capacity of truss joints with a positive eccentricity resulting from the arrangement of geometric members and the failure mechanisms observed in the joints. Based on the previously conducted experimental study, a numerical model of the tested fragment of the CFS truss with eccentricity in the joint was created and validated. All structural details of the tested truss and the...

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  • Analysis of GNSS, Hydroacoustic and Optoelectronic Data Integration Methods Used in Hydrography
    Publication
    • O. Lewicka
    • M. Specht
    • A. Stateczny
    • C. Specht
    • D. Brčić
    • A. Jugović
    • S. Widźgowski
    • M. Wiśniewska

    - SENSORS - Year 2021

    The integration of geospatial data in hydrography, performed using different measurement systems, involves combining several study results to provide a comprehensive analysis. Each of the hydroacoustic and optoelectronic systems is characterised by a different spatial reference system and the method for technical implementation of the measurement. Therefore, the integration of hydrographic data requires that problems in selected...

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  • Analysis of Learning Outcomes in Medical Education with the Use of Fuzzy Logic
    Publication

    - Studies in Logic, Grammar and Rhetoric - Year 2021

    The national curricula of the EU member states are structured around learning outcomes, selected according to Bloom’s Taxonomy. The authors of this paper claim that using Bloom’s Taxonomy to phrase learning outcomes in medical education in terms of students’ achievements is difficult and unclear. This paper presents an efficient method of assessing course learning outcomes using Fuzzy Logic.

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Year 2010

Year 2023

Year 2018

Year 2011

Year 2007

Year 2013

  • Analysis of pressure ratio in the intake in dependence on high-voltage behaviours
    Publication

    - Przegląd Elektrotechniczny - Year 2013

    Power control in spark ignition engines by regulating the intake air is performed. The control unit needs information about the air pressure conditions which then enters the combustion chamber. The information about the intake air pressure is an important quantity for optimal control of combustion mixtures. The paper describes some types of sensors that are used to measure the air intake temperature. Air pressure in the intake...

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