Wyniki wyszukiwania dla: VEHICLE DRIVE SYSTEMS

• Autonomous Battery Drive in Trolleybuses: an Overview of Practical Examples

  Publikacja

  • M. Bartłomiejczyk

  - Rok 2017

  Battery electric buses are believed to be means of transportation of the future. However, despite the continuous development of electrochemical batteries technology and the multitude of electric buses on offer, it is still no proved solutions that can be widely used. Charging is the one of the weakness point of the electric buses. Trolleybuses are alternative for them. Especially, trolleybuses equipment with traction batteries...

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• Fast Real-Time RDFT- and GDFT-Based Direct Fault Diagnosis of Induction Motor Drive

  Publikacja

  • P. Kołodziejek
  • D. Wachowiak

  - ENERGIES - Rok 2022

  This paper presents the theoretical analysis and experimental verification of a direct fault harmonic identification approach in a converter-fed electric drive for automated diagnosis purposes. On the basis of the analytical model of the proposed real-time direct fault diagnosis, the fault-related harmonic component is calculated using recursive DFT (RDFT) and Goertzel DFT (GDFT), applied instead of the full spectrum calculations...

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• Potential Application of Solar Energy Systems for Electrified Urban Transportation Systems

  Publikacja

  • M. Bartłomiejczyk

  - ENERGIES - Rok 2018

  The paper presents a novel approach toward the use of solar energy systems in public transportation. The concept of energy generation in PV systems for supplying a trolleybus transportation system is proposed for the city of Gdynia (Poland). The suggested way of energy production allows reducing the environmental harm impact of the municipal transportation system. Moreover, the proposed way of green energy use can be a more profitable...

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• Towards solving heterogeneous fleet vehicle routing problem with time windows and additional constraints: real use case study

  Publikacja

  • K. Bruniecki
  • A. Chybicki
  • M. Moszyński
  • M. Bonecki

  - Annals of Computer Science and Information Systems - Rok 2016

  In advanced logistic systems, there is a need for a comprehensive optimization of the transport of goods, which would reduce costs. During past decades, several theoretical and practical approaches to solve vehicle routing problems (VRP) were proposed. The problem of optimal fleet management is often transformed to discrete optimization problem that relies on determining the most economical transport routes for a number of vehicles...

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• Speed sensorless ac drive with inverter output filter and fault detection using load torque signal

  Publikacja

  • J. Guziński
  • H. Abu-Rub
  • H. A. Toliyat

  - Rok 2010

  In this paper, a sensorless induction motor (IM) drive using speed observer system is presented. The system includes load torque computation for gear fault detection. Nonlinear control method is adopted for controlling the motor over a wide speed range. An LC filter for smoothing current and voltage waveforms is used at the output of the voltage inverter. The use of filter imposes more building of the used observer to avoid using...

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• A commercial of the shelf components for a unmanned air vehicle photogrammetry

  Publikacja

  • P. Burdziakowski
  • J. Szulwic

  - Rok 2016

  A photogrammetry from a unmanned aerial vehicle (UAV) can be understood as a new measurement tool. Is introduces a low-cost alternatives for a traditional aerial photogrammetry. A commercial off-the-shelf products (COTS), that are commercially available for a costumers, are the standard manufactures products, not custom. COTS products are available in the commercial market and can be bought and used under government contract. That...

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• Estimation of Vehicle Energy Consumption at Intersections Using Microscopic Traffic Models

  Publikacja

  • J. Oskarbski
  • K. Biszko

  - ENERGIES - Rok 2023

  This paper addresses issues related to modeling energy consumption and emissions using microscopic traffic simulations. This paper develops a method in which a traffic model is used to calculate the energy needed to travel through selected types of intersections. This paper focuses on energy consumption and derived values of calculated energy, which can be, for example, carbon dioxide emissions. The authors present a review of...

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• Innovative Research Into Road Restraint Systems

  Publikacja

  • K. Jamroz
  • K. Wilde
  • M. Budzyński
  • Ł. Jeliński
  • J. Chróścielewski
  • S. Burzyński
  • Ł. Pachocki

  - Journal of KONBiN - Rok 2019

  Key to understanding the needs and building road infrastructure management tools to prevent and mitigate run-off-road accidents is to identify hazards and their sources which are a result of wrong design, construction, installation and maintenance of road restraint systems [1]. Building such tools requires advanced studies with field tests, simulations and models to demonstrate the effects of selected parameters on road user safety...

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• Rafał Leszczyna dr hab. inż.

  Osoby

  Katedra Informatyki w Zarządzaniu

  Dr hab. inż. Rafał Leszczyna jest profesorem uczelni na Wydziale Zarządzania i Ekonomii Politechniki Gdańskiej. W lipcu 2020 r., na podstawie osiągnięcia naukowego w obszarze zarządzania cyberbezpieczeństwem infrastruktur krytycznych w sektorze elektroenergetycznym, uzyskał stopień doktora habilitowanego w dziedzinie nauk inżynieryjno-technicznych, dyscyplina informatyka techniczna i telekomunikacja. W latach 2004–2008 pracował...

• Robust Model Predictive Control for Autonomous Underwater Vehicle – Manipulator System with Fuzzy Compensator

  Publikacja

  • H. Nejatbakhsh Esfahani

  - Polish Maritime Research - Rok 2019

  This paper proposes an improved Model Predictive Control (MPC) approach including a fuzzy compensator in order to track desired trajectories of autonomous Underwater Vehicle Manipulator Systems (UVMS). The tracking performance can be affected by robot dynamical model uncertainties and applied external disturbances. Nevertheless, the MPC as a known proficient nonlinear control approach should be improved by the uncertainty estimator...

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• Analysis of pavement structure sensitivity to passage of oversized heavy duty vehicle in terms of bearing capacity

  Publikacja

  • D. Ryś
  • P. Jaskuła

  - IOP Conference Series: Materials Science and Engineering - Rok 2018

  Oversized heavy duty vehicles occur in traffic very rarely but they reach extremely high weights, even up to 800 tonne. The detrimental impact of these vehicles on pavement structure is much higher than in case of commercial vehicles that comprise typical traffic, thus it is necessary to assess the sensitivity of pavement structure to passage of oversized vehicles. The paper presents results of sample calculations of load equivalency factor...

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• Energetic model of hydraulic system of refuse collection vehicle based on simulation and experimental data

  Publikacja

  • T. Zajdziński
  • O. Wysocki
  • J. Czyżewicz
  • J. Kropiwnicki

  - Rok 2018

  This paper presents an energetic model of hydraulic system of a refuse collection vehicle. First, benefits resulting from implementation of an energetic model in the industry and operation of a Refuse Collection Vehicle are briefly explained. Then, components of the energy consumption in hydraulic circuits of compactor and lifting device are described and combined into a comprehensive model that can be evaluated using basic measurement...

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• Impact of digital signal processing on FOC current feedback in high-speed PMSM drive

  Publikacja

  • L. Jarzębowicz
  • M. Gutten

  - Rok 2019

  In applications where size and weight of the electric motor are among major design concerns, Permanent Magnet Synchronous Motors (PMSMs) with wide operational speed-range are commonly preferred. Due to limited inverter switching frequency, high-speed operation of a drive results in a low ratio between the switching frequency and the fundamental frequency of motor voltage. Such operating conditions have been recently identified...

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• Assessing Highway Travel Time Reliability using Probe Vehicle Data

  Publikacja

  • P. Olszewski
  • T. Dybicz
  • K. Jamroz
  • W. Kustra
  • A. Romanowska

  - TRANSPORTATION RESEARCH RECORD - Rok 2018

  Probe vehicle data (also known as “floating car data”) can be used to analyze travel time reliability of an existing road corridor in order to determine where, when, and how often traffic congestion occurs at particular road segments. The aim of the study is to find the best reliability performance measures for assessing congestion frequency and severity based on probe data. Pilot surveys conducted on A2 motorway in Poland confirm...

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• Robust Model Predictive Control for Autonomous Underwater Vehicle–Manipulator System with Fuzzy Compensator

  Publikacja

  • H. Nejatbakhsh Esfahani

  - Polish Maritime Research - Rok 2019

  This paper proposes an improved Model Predictive Control (MPC) approach including a fuzzy compensator in order totrack desired trajectories of autonomous Underwater Vehicle Manipulator Systems (UVMS). The tracking performancecan be affected by robot dynamical model uncertainties and applied external disturbances. Nevertheless, the MPCas a known proficient nonlinear control approach should be improved by the...

• Integration of electric vehicle into smart grid: a meta heuristic algorithm for energy management between V2G and G2V

  Publikacja

  • G. Srihari
  • R. S. R. Krishnam Naidu
  • P. Falkowski-Gilski
  • P. Bidare Divakarachari
  • R. K. Varma Penmatsa

  - Frontiers in Energy Research - Rok 2024

  Recently, Electric Vehicles (EV) have been providing fast response and substantial progress in the power generation model. Further, EVs are exploited as adaptable Energy Storage Systems (ESSs) and show a promising performance in ancillary service markets to increase the demand of Smart Grid (SG) integration. The expansion of Vehicle-to-Grid concept has created an extra power source when renewable energy sources are not available....

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• Safety assessment of a concrete viaduct damaged by vehicle impact and an evaluation of the repair

  Publikacja

  • M. Miśkiewicz
  • D. Bruski
  • J. Chróścielewski
  • K. Wilde

  - ENGINEERING FAILURE ANALYSIS - Rok 2019

  Damage to lower parts of viaducts caused by impact from under-passing high vehicles is relatively frequent. One such incident, in which a viaduct was damaged by the impact from a truck with an improperly assembled hydraulic crane, is considered in this work. The analysis is based on a detailed object damage evaluation, 3D laser scanning, and numerical simulations. The aim of the study is to accurately model the vehicle impact into...

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• Sensorless IPMSM drive with rotor position estimator based on analysis of phase current derivatives

  Publikacja

  • L. Jarzębowicz

  - Rok 2011

  This paper describes a sensorless Interior Permanent Magnet Synchronous Motor (IPMSM) drive designed for traction applications. Wide-speed sensorless operation is provided with the use of three methods of rotor position estimation designed for: a standstill, low- and high-speed range. The paper focuses on the high-speed estimation algorithm. The estimator uses the derivatives of motor phase currentsresulting from PWM modulation...

• Magdalena Gajewska prof. dr hab. inż.

  Osoby

  Katedra Technologii w Inżynierii Środowiska

  Magdalena Gajewska (ur. 1.06.1968 r. w Gdańsku) ukończyła studia w 1993 roku na Wydziale Hydrotechniki Politechniki Gdańskiej.  Jest adiunktem w Katedrze Technologii Wody i Ścieków na Wydziale Inżynierii Lądowej i Środowiska Politechniki Gdańskiej. Doktorat (2001) i habilitacja (2013) w dyscyplinie inżynierii środowiska.  W kadencji 2016–2020 pełni funkcję prodziekana ds. nauki. Specjalizuję się w technologiach związanych z ekoinżynierią:...

• Adam Dąbrowski dr inż.

  Osoby

  Adam Dąbrowski uzyskał stopień doktora nauk inżynieryjno-technicznych w dyscyplinie inżynieria mechaniczna na Politechnice Gdańskiej oraz ukończył studia II stopnia na kierunku mechatronika na Technische Universität Hamburg a także double degree Engineering and Management of Space Systems na Hochschule Bremen. Posiada doświadczenie przemysłowe (Instytut Lotnictwa w Warszawie, SICK AG w Hamburgu, Blue Dot Solutions w Gdańsku, Niemieckie...

• PUBLICZNE ŚRODKI TRANSPORTOWE A SAMOCHÓD ELEKTRYCZNY W OBSŁUDZE PODRÓŻY MIEJSKICH W METROPOLII TRÓJMIEJSKIEJ

  Publikacja

  • D. Karkosiński
  • K. Jamroz
  • M. Pacholczyk
  • W. Kustra

  - Rok 2017

  Metropolia trójmiejska ma wyjątkowo negatywne uwarunkowania terenowe dla funkcjonowania i rozwoju sieci komunikacji publicWyznej. Dzielnice położone w tzw. dolnym tarasie są dobrze skomunikowane za pomocą linii SKM i tramwajowych. Jedynie te środki komunikacji szynowej, przy częstotliwości połączeń nie większej niż co 10 minut, są konkurencyjne dla indywidualnych dojazdów samochodami osobowymi. Natomiast autobusy i trolejbusy utykające...

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• Accumulation of water on the vehicle deck

  Publikacja

  • M. Pawłowski

  - Proceedings of the Institution of Mechanical Engineers Part M-Journal of Engineering for the Maritime Environment - Rok 2003

  Podano matematyczny model gromadzenia się wody na pokładzie garażowym statków ro-ro w stanie awaryjnym i wypiętrzania się wody ponad poziom wody zaburtowej w wyniku falowania morza. Wypiętrzanie to ma charakter losowy. Podano teoretycznie wartość średnią i wariancję tegoż wypiętrzenia.

• Erroneous Vehicle Velocity Estimation Correction Using Anisotropic Magnetoresistive (AMR) Sensors

  Publikacja

  • D. Miklusis
  • V. Markevicius
  • D. Navikas
  • M. Ambraziunas
  • M. Cepenas
  • A. Valinevicius
  • M. Zilys
  • K. P. Okarma
  • I. Cuinas
  • D. Andriukaitis

  - SENSORS - Rok 2022

  Magnetic field sensors installed in the road infrastructure can be used for autonomous traffic flow parametrization. Although the main goal of such a measuring system is the recognition of the class of vehicle and classification, velocity is the essential parameter for further calculation and it must be estimated with high reliability. In-field test campaigns, during actual traffic conditions, showed that commonly accepted velocity...

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• Research project BRIK: development of an innovative method for determining the precise trajectory of a railway vehicle

  Publikacja

  • A. Wilk
  • C. Specht
  • W. Koc
  • K. Karwowski
  • P. Chrostowski
  • J. Szmagliński
  • P. Dąbrowski
  • M. Specht
  • S. Judek
  • J. Skibicki... i 2 innych

  - Przegląd Komunikacyjny - Rok 2019

  In the paper the essential assumptions regarding a research project implemented by a consortium of Gdansk University of Technology and Gdynia Maritime University are presented. The project has been commissioned by National Center of Research and Development with cooperation with Polish Railways (PKP Polskie Linie Kolejowe S.A.). The project is focused in implementation of modern measurement techniques using Global Navigation Positioning...

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• Motor Cable Influence on the Conducted EMI Emission of the Converter Fed AC Motor Drive. - Vol. 1

  Publikacja

  • J. Łuszcz

  - Rok 2011

  Investigation of conducted electromagnetic interference in AC motor drives fed by pulse width modulated voltage converters requires considering parasitic capacitances in converters, motor windings and feeding cables to be taken into account. Motor voltage transients and related conducted electromagnetic emission are significantly correlated with resonance effects occurring in load circuits. The levels of intensity of these phenomena...

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• Multi-criterion, evolutionary and quantum decision making in complex systems

  Publikacja

  • J. Balicki
  • G. Drozda
  • J. Masiejczyk

  - Rok 2011

  Multi-criterion, evolutionary and quantum decision making supported by the Adaptive Quantum-based Multi-criterion Evolutionary Algorithm (AQMEA) has been considered for distributed complex systems. AQMEA had been developed to the task assignment problem, and then it has been applied to underwater vehicle planning as another benchmark three-criterion optimization problem. For evaluation of a vehicle trajectory three criteria have...

• SYSTEMS SCIENCE

  Czasopisma

  ISSN: 0137-1223

• Assessment of the Accuracy of Determining the Angular Position of the Unmanned Bathymetric Surveying Vehicle Based on the Sea Horizon Image

  Publikacja

  • K. Naus
  • Ł. Marchel
  • P. Szymak
  • A. Nowak

  - SENSORS - Rok 2019

  The paper presents the results of research on assessing the accuracy of angular position measurement relative to the sea horizon using a camera mounted on an unmanned bathymetric surveying vehicle of the Unmanned Surface Vehicle (USV) or Unmanned Aerial Vehicle (UAV) type. The first part of the article presents the essence of the problem. The rules of taking the angular position of the vehicle into account in bathymetric surveys...

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• Terminal charging scheduling of battery electric buses based on vehicle routing problem

  Publikacja

  • B. Csonka
  • M. Bartłomiejczyk

  - Rok 2023

  Electric buses are considered to be a viable solution for reducing emission in dense urban areas. However, the greater charging time is a huge challenge for operators. In this paper, charging scheduling method was elaborated based on vehicle routing problem using mixed-integer linear programming model. The main novelty of the paper is the combination of modelling aspect, namely flexible turn sequence and heterogeneous shared charging...

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• Numerical modelling of different airbag folding patterns and their influence on occupant responses in frontal vehicle impact

  Publikacja

  • Ł. Pachocki
  • H. Fang

  - INTERNATIONAL JOURNAL OF CRASHWORTHINESS - Rok 2024

  This paper presented a procedure for airbag folding for the application in occupant safety studies and analysed the influence of different airbag folding patterns on the occupant severity in frontal impact. Airbags were folded in two patterns: zig-zag and top-roll, using two folding techniques: Initial Metric Method and Explicit Folding. The explicit folding was found to be more expensive in terms of preparation time. However,...

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• Analysis of the possibility of determining the general characteristics using the operational data of a vehicle engine

  Publikacja

  • O. Wysocki
  • J. Kropiwnicki
  • J. Czyżewicz

  - Combustion Engines - Rok 2017

  The paper presents an analysis of the possibility of determining the general characteristics using the operational data of an engine of refuse collection vehicle. Data acquisition was done by reading information from the CAN network using FMS standard (Fleet Management System), which is widely used in heavy duty vehicles since year 2002. The paper presents the analysis of the expected measurement uncertainties resulting from the...

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• Electric motor drive with inverter output filter

  Publikacja

  • J. Guziński
  • H. Abu-Rub
  • A. Zobaa

  - Rok 2011

  Przedstawiono zagadnienie sterowania i estymacji w układzie napędowym z silnikiem indukcyjnym i filtrem sinusoidalnym.Filtr użyty jest do wygładzenia prądu i napięcia silnika. Filtr wprowadza spadek napięcia i przesunięcie fazowe prądów i napięć uniemożliwiające stosowane bezczujnikowych metod sterowania wektorowego. Rozwiązaniem jest uwzględnienie filtru w sterowaniu i estymacji. Artykuł pokazuje takie rozwiązanie dla metody sterowania...

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• Hybrid dynamically balanced saw frame drive

  Publikacja

  • R. Wasielewski
  • K. Orłowski

  - European Journal of Wood and Wood Products (HOLZ ALS ROH-UND WERKSTOFF) - Rok 2002

  W pilarkach ramowych, w których rama piłowa jest napędzana poprzez mechanizm korbowy, generowana przez ramę piłową siła bezwładności oddziaływuje na fundament pilarki oraz na jej układ napędowy. W niniejszym artykule przedstawiono sposób eliminacji tych niekorzystnych zjawisk. Autorzy zaprezentowali dynamicznie wyrównoważony hybrydowy układ napędu ramy piłowej, w którym występuje akumulator energii kinetycznej przyłączony równolegle...

• Examining the Impact of Distance Between VSL Road Signs on Vehicle Speed Variance

  Publikacja

  • A. Sroczyński
  • A. Czyżewski

  - IEEE Access - Rok 2023

  Variable speed limit (VSL) is an intelligent transportation system (ITS) solution for traffic management. The speed limits can be changed dynamically to adapt to traffic conditions such as visibility and traffic volume, curvature, and grip coefficient of the road surface. The VSL traffic sign location problem and attempts to solve it using computer simulation are presented in this paper. Experiments on a selected road segment,...

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• Risk Assessment at Unsignalized Intersections Based on Human-Road-Environment-Vehicle System Applying Fuzzy Logic

  Publikacja

  • I. Medvediev
  • D. Muzylyov
  • V. Ivanov
  • J. Montewka
  • J. Trojanowska

  - Rok 2024

  The constant increase in motorization level and traffic density increases risks due to dangerous situations for road participants. Therefore, assessing the accident level of road network elements has been an urgent task over the past decades. However, existing approaches mainly rely on traffic flow parameters and account for dynamic vehicle characteristics. The research aims to design a model accounting for uncertain factors (weather...

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• The guidelines and principles for planning and design of road restraint systems

  Publikacja

  • M. Budzyński
  • M. Antoniuk

  - MATEC Web of Conferences - Rok 2017

  The project RID 3A Road Safety Equipment (RoSE) implemented by the Gdansk University of Technology within the RID programme, aims to conduct a comprehensive study and analyses of different vehicle containment systems (PN-EN 1317) and types of support structures (PN-EN 12767) and their performance. Within the project an analysis will be conducted of available research reports...

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• Shore Construction Detection by Automotive Radar for the Needs of Autonomous Surface Vehicle Navigation

  Publikacja

  • S. Andrzej
  • K. Witold
  • P. Burdziakowski
  • W. Motyl
  • W. Marta

  - ISPRS International Journal of Geo-Information - Rok 2019

  Autonomous surface vehicles (ASVs) are becoming more and more popular for performing hydrographic and navigational tasks. One of the key aspects of autonomous navigation is the need to avoid collisions with other objects, including shore structures. During a mission, an ASV should be able to automatically detect obstacles and perform suitable maneuvers. This situation also arises in near-coastal areas, where shore structures like...

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• Information Systems Security 2023

  Kursy Online

  • B. Czaplewski
  • M. Dzwonkowski
  • J. A. Litka

  The e-learning course for the Information Systems Security, in the field of Electronics and Telecommunications in the II degree studies (2nd year of studies, 3rd semester).

• Speed Sensorless AC Drive with Inverter LC Filter and Fault Detection Using Load Torque Signal

  Publikacja

  • J. Guziński
  • H. Abu-Rub
  • P. Strankowski

  - Przegląd Elektrotechniczny - Rok 2017

  The industrial development in recent years has seen a major increase in the use of induction motors, whereby the cost has to be as low as possible and the lifetime as long as possible. To follow up this desire, investigations in this area have become very intense. For that reason, this paper presents a solution for driving an induction motor and simultaneous fault detection with no need for additional sensors. In order to achieve...

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• A Comparison of Gaseous Emissions from a Hybrid Vehicle and a Non-Hybrid Vehicle under Real Driving Conditions

  Publikacja

  • P. Bielaczyc
  • J. Merkisz
  • J. Pielecha
  • J. Woodburn

  - Rok 2018

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• Modeling, simulation, and validation of a TB41 crash test of the H2/W5/B concrete vehicle restraint system

  Publikacja

  • Ł. Pachocki
  • D. Bruski

  - Archives of Civil and Mechanical Engineering - Rok 2020

  The paper addresses numerical simulations of a concrete vehicle restraint system. The model is described in detail. The advanced material law of the continuous surface cap model was used to analyze the damage locations in concrete barrier segments. The results were validated against the TB41 full-scale crash test. The test was conducted in compliance with European standard EN 1317, and the validation was performed in accordance...

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• Vibrations in Physical Systems

  Czasopisma

  ISSN: 0860-6897

• Grain type and size of particulate matter from diesel vehicle exhausts analysed in transmission electron microscopy

  Publikacja

  • P. Sielicki
  • H. Janik
  • A. Guzman - Sielicka
  • J. Namieśnik

  - ENVIRONMENTAL TECHNOLOGY - Rok 2012

  The aim of this research was to apply a simple and quick method of size and shape characterization by TEM to diesel exhaust particles from large-capacity, high-performance trucks. Particulate matter (PM) samples were collected while the engines were idling. It was found that PM from vehicle exhaust emissions can be divided into three groups: soot, irregular-shaped particles and circular particles. Irregular-shaped particles and...

• Modeling of performance and safety of a multi-task unmanned autonomous maritime vehicle = Modelowanie ruchu i bezpieczeństwa wielozadaniowego bezzałogowego autonomicznego pojazdu wodnego

  Publikacja

  • M. K. Gerigk

  - Journal of KONBiN - Rok 2015

  At the beginning of the paper the aim of research is presented. Then the method is introduced. Next, the unmanned autonomous maritime vehicle is briefly described. The following chapter concerns a model of vehicle performance including the ballasting and motion. Some information on an integrated steering, positioning and stabilization system of the vehicle is briefly presented in the paper. Such the system enables to obtain a fully...

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• Model Predictive Super-Twisting Sliding Mode Control for An Autonomous Surface Vehicle

  Publikacja

  • H. Nejatbakhsh Esfahani
  • R. Szłapczyński

  - Polish Maritime Research - Rok 2019

  This paper presents a new robust Model Predictive Control (MPC) algorithm for trajectory tracking of an Autonomous Surface Vehicle (ASV) in presence of the time-varying external disturbances including winds, waves and ocean currents as well as dynamical uncertainties. For fulfilling the robustness property, a sliding mode control-based procedure for designing of MPC and a super-twisting term are adopted. The MPC algorithm has been...

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• Visualization of short-term heart period variability with network tools as a method for quantifying autonomic drive

  Publikacja

  • D. Makowiec
  • B. Graff
  • A. Kaczkowska
  • G. Graff
  • D. Wejer
  • J. Wdowczyk-Szulc
  • M. Żarczyńska-Buchowiecka
  • M. Gruchała
  • Z. R. Struzik

  - Rok 2017

  We argue that network methods are successful in detecting nonlinear properties in the dynamics of autonomic nocturnal regulation in short-term variability. Two modes of visualization of networks constructed from RR-increments are proposed. The first is based on the handling of a state space. The state space of RR-increments can be modified by a bin size used to code a signal and by the role of a given vertex as the representation...

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• Operational Research - Queuing Systems 2022

  Kursy Online

  • J. Konorski

  Components, characteristics, classification, analysis, and applications of queuing systems.

• Estimation of vehicle operational fuel consumption

  Publikacja

  • J. Kropiwnicki

  - Combustion Engines - Rok 2010

  W pracy przedstawiono metodę umożliwiającą wyznaczenie referencyjnego zużycia paliwa dla zarejestrowanych warunków eksploatacji. Warunki eksploatacji opisane są rozkładem energochłonności jednostkowej, która obejmuje zarówno wpływ warunków zewnętrznych jak również styl jazdy kierowcy. W pracy przedstawiono zestawienie wyników uzyskanych dla przejazdów wykonanych na terenie Gdańska, w regularnym ruchu miejskim. Przedstawiono także...

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• Modeling Dynamics of Autonomous Underwater Vehicle.

  Publikacja

  • P. Grymajło
  • M. Kwiesielewicz

  - Rok 2004

  Artykuł dotyczy budowy modelu autonomicznego pojazdu podwodnego do celów syntezy układu sterowania pojazdem. Rozważany pojazd ma długośc ok. 1 m i 30 cm średnicy. Wyposażony jest w 5 pędników, które pozwalają na sterowanie w pięciu stopniach swobody. Do badań wykorzystano model o 4 stopniach swobody. Dokonano identyfikacji parametrycznej modelu. Model zrealizowano w środowisku programowym Matlab/Simulink.

• A modern approach to an unmanned vehicle navigation

  Publikacja

  • P. Burdziakowski
  • A. Janowski
  • M. Przyborski
  • J. Szulwic

  - Rok 2016

  A traditional approach to manned vehicles navigation uses a data combined form a variety of navigation sensors like satellite, inertial and time-of-flight. With support of operators perception, chart and sensor, data are analyzed and navigation decisions are made. An unmanned platforms navigation needs an operators support, who is supervising a platforms decision process, basing on navigation data obtained via variety of electronic...