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Foundations of Control and Management Sciences
2007 No. 7 27-36
EN The objectives of this paper arc to present a laboratory kit for examination of the properties of a stepper motor. The paper thoroughly treats about the results of a research on proper control and functionality of the stepper motor and its power controller. Angular position, accuracy of positioning [...]
Pomiary Automatyka Kontrola
PL W artykule przedstawiono zbudowany w katedrze Robotyki i Dynamiki maszyn AGH minirobot mobilny MRM. Zaprezentowano jego ogólną budowę, możliwości jezdne oraz metodę programowania. Dzięki zastosowaniu sensorów położenia pokazano wyniki weryfikacji obiektu w warunkach rzeczywistych.
EN The article demonstrate mobile minirobot built in Department of Robotics and Machine Dynamics, AGH. Presented his general building, driven possibilities and method of programming. The results of verification of object were got applying appropriate sensors.
Journal of Telecommunications and Information Technology
2008 nr 2 46-53
EN In this paper a summary is given of the ongoing research at the Belgian Royal Military Academy in the field of mobile ad hoc networks in general and wireless sensor networks (WSNs) in particular. In this study, all wireless sensor networks are based on the physical and the medium access layer of the[...]
Geodeta : magazyn geoinformacyjny
2007 nr 3 24-27
Foundations of Computing and Decision Sciences
EN This paper presents a fuzzy logic algorithm applied to control position of heavy-loaded platform. The work was realized for PAnDa project and refers to development of anti-proton detector in Darmstadt, Germany. Electromagnet of the detector has total mass of about 360 tons. It is placed on a mobile [...]
Journal of Theoretical and Applied Mechanics
2003 Vol. 41 nr 4 873-885
PL W pracy zaprezentowano metodę pozycjonowania i minimalizacji końcowych wahań ładunku w żurawiach obrotowych. Funkcja napędowa obrotu nadwozia została dobrana na drodze optymalizacji dynamicznej dla uproszczonego modelu zakładającego całkowitą sztywność układu nośnego żurawia. Zaproponowano układ reg[...]
EN In the paper a method of load positioning and minimization of load final oscillations in rotary cranes has been presented. Drive functions of the slewing of an upper structure have been determinated by means of dynamic optimisation. In the optimisation task a simplified model has been used. A comple[...]
Journal of Applied Computer Science
EN This research presents a voltage control method of an electromagnetic levitation device. Finite element method is used to model the device known as Team Workshop Problem 28. Double Proportional-Integral-Derivative controller of sinusoidal voltage amplitude is applied to the levitator positioning. Bo[...]
Machine Dynamics Research
EN The described system design eliminates the typical drawbacks of pneumatic positioning drives. It enhances maintaining the desired position, ensures shorter positioning times and higher average speed of the piston travel and, last but not least: greater positioning accuracy. An important advantage of[...]
Annual of Navigation
2016 No. 23 53--68
PL Przetwarzanie sygnałów odbieranych w odbiorniku GPS obejmuje szereg operacji, w wyniku których wyznaczane są między innymi współrzędne i prędkości satelitów w globalnym układzie współrzędnych ECEF oraz pseudoodległości i zmiany pseudoodległości pomiędzy użytkownikiem systemu a poszczególnymi obserwo[...]
EN Processing of signals in Global Positioning System (GPS) receivers includes numerous signal and data operations leading to calculation of coordinates and velocities of satellites in global Earth-Centered Earth-Fixed (ECEF) frame of reference as well as pseudoranges and delta-ranges between the user [...]
Polish Maritime Research
2017 nr 2 3--12
EN The main aim of this paper is to assess the possibility of using non-conventional geodetic estimation methods in maritime navigation. The research subject of this paper concerns robust determination of vessel’s position using a method of parameters estimation in the split functional model (Msplit es[...]
Annual of Navigation
2017 No. 24 103--117
PL W artykule podjęto próbę ustalenia wpływu rozwijanego wielomianu na dokładność wyznaczenia współrzędnych pozycji z pomiaru dwóch namiarów. Analizie poddano strukturę nawigacyjną składającą się z dwóch znaków nawigacyjnych, względem których jednostka manewrująca na zadanym obszarze wyznaczała swoją p[...]
EN An attempt to determine the impact of developing polynomial on the accuracy of setting down a ship's position coordinates based on measurements of two bearings has been ventured in this paper. A navigation structure consisting of two aids has been analysed. A ship maneuvering within a given area was[...]
Molecular and Quantum Acoustics
2005 Vol. 26 115-128
EN The paper presents a design of integrated positioning system for AUV. The system is composed of IMU, electronic compass, Doppler velocity log and depth sensor and is integrated according to the scheme of feed-forward compensation. A Kalman filter and a traditional complementary filter are used for j[...]
Metrology and Measurement Systems
EN The paper presents a method of obtaining short-term positioning accuracy based on micro electro-mechanical system (MEMS) sensors and analysis of the results. A high-accuracy and fast-positioning algorithm must be included due to the high risk of accidents in cities in the future, especially when aut[...]
Artificial Satellites : Journal of Planetary Geodesy
2007 Vol. 42, No. 2 113--120
EN The combined use of GPS and GLONASS satellite systems is a main technology for the development of the fundamental geodetic network in Russia and for crust movement studies along the North Eurasian tectonic plate. All permanent stations of the state fundamental geodetic network will be provided with [...]
Advances in Science and Technology. Research Journal
2015 Vol. 9, nr 28 112--119
EN The paper presents results of studies undertaken by the authors, aimed at determination of character of influence of marker arrangement on real-time measurement of position and orientation of an object, using an exemplary optical tracking system PST-55. Such a system can be used for interaction in i[...]
Advances in Science and Technology. Research Journal
2017 Vol. 11, no 4 159--167
EN The aim of this paper is to draw attention to more reliable verification method of positioning accuracy. The improvement lies in mathematical elimination of thermal impact during the measurement process. This thermal impact, always present during the motion of movable parts, is of a special systemic[...]
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
2011 Vol. 5, no. 2 149--156
EN A robust electronic position, navigation and timing system (PNT) is considered as one of the core elements for the realization of IMO-s (International Maritime Organization) e-Navigation strategy. Ro-bustness can be interpreted as the capability of an integrated PNT system to provide PNT relevant da[...]
Journal of Telecommunications and Information Technology
2010 nr 3 36-41
EN The major challenge in designing wireless sensor networks (WSNs) is to find tradeoff between the desired and contrary requirements for the lifetime, coverage or cost while coping with the computation, energy and communication constraints. This paper examines the optimal placement of nodes for a WSN.[...]
Zeszyty Naukowe Akademii Morskiej w Szczecinie
2015 nr 44 (116) 57--60
EN Many radio-navigation systems dating from the seventies and eighties of the last century were replaced by a single Global Positioning System (GPS) a dozen or so years ago. However, for several years the opinion that the GPS monopoly is becoming dangerous has been expressed increasingly often in navi[...]
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