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Wyświetlanie 1-15 z 21
Tytuł:
IT Systems in Aid of Welding Processes Quality Management in the Automotive Industry
Autorzy:
Restecka, M.
Wolniak, R.
Powiązania:
https://bibliotekanauki.pl/articles/351666.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
robotics
computer-aiding
CAE
welding
quality
Opis:
The most important issue for the producers nowadays is to meet the requirements of customers, satisfying their perceived but also the unperceived needs. In order to control the quality of welding processes correctly one must have knowledge of welding drawings, symbols, designs of welded joints, welding procedures, requirements set in codes and standards, also have knowledge of the techniques of inspection and testing connected with the automotive industry. The article shows ways to increase quality in the industry through the use of robotization and computerization. Presented examples and application of IT systems in aid of welding processes quality management in the automotive industry.
Źródło:
Archives of Metallurgy and Materials; 2016, 61, 4; 1785-1792
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Parametric programming of industrial robots
Autorzy:
Szulczyński, P.
Kozłowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/229427.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
robotics
robot programming
CAAD/CAM
parametric design
Opis:
This article proposes the use of parametric design software, commonly used by architects, in order to obtain complex trajectory and program code for industrial robots. The paper describes the drawbacks of existing solutions and proposes a new script to obtain a correct program. The result of the algorithm was verified experimentally.
Źródło:
Archives of Control Sciences; 2015, 25, 2; 215-225
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of predictive control for manipulator mounted on a satellite
Autorzy:
Rybus, T.
Seweryn, K.
Sąsiadek, J. Z.
Powiązania:
https://bibliotekanauki.pl/articles/229912.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
space robotics
predictive control
trajectory optimization
free-floating manipulator
Opis:
Specific conditions of on-orbit environment are taken into account in the design of all devices intended to be used in space. Despite this fact malfunctions of satellites occur and sometimes lead to shortening of the satellite operational lifetime. It is considered to use unmanned servicing satellite, that could perform repairs of other satellites. Such satellites equipped with a manipulator, could be used to capture and remove from orbit large space debris. The critical part of planned missions is the capture manoeuvre. In this paper a concept of the control system for the manipulator mounted on the satellite is presented. This control system is composed of the trajectory planning module and model predictive controller (the latter is responsible for ensuring precise realization of the planned trajectory). Numerical simulations performed for the simplified planar case with a 2 DoF manipulator show that the results obtained with the predictive control are better than the results obtained with adaptive control method.
Źródło:
Archives of Control Sciences; 2018, 28, 1; 105-118
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Industry 4.0 desiderata as micro foundations in the assessment of companies’ maturity – case study
Autorzy:
Nogalski, Bogdan
Niewiadomski, Przemysław
Powiązania:
https://bibliotekanauki.pl/articles/1841394.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Industry 4.0
adaptation
digitisation
robotics
business model
agricultural machinery
manufacture
Opis:
The industry transformation to the digital model 4.0 will be a significant change from the perspective of the organisation and processes. In the context of the above, the research was undertaken, the principal aim of which constituted the attempt to answer the question concerning the technological advancement level of manufacturing companies operating in the agricultural machinery sector. It is about identifying what adaptation projects in the context of the fourth generation industry era should be undertaken by the Polish manufacturers operating in the agricultural machinery sector. The achievement of the main objective required formulation and implementation of partial objectives, which, according to the authors, include: C(1) – defining the Industry 4.0 axiom merit; C(2) – using the subject literature reconstruction and interpretation methods – nomination of areas, on the one hand essential from the perspective of the model 4.0, and on the other hand those that may demonstrate the maturity in the domain of the adopted desiderata; C(3) – compilation of the research model, in the form of an assessment sheet, being a resultant of literature studies and research conducted among deliberately selected domain experts; C(4) – based on the selected indicators, the technological advancement level recognition of the studied companies; specification of a technological gap (questioning among experts).
Źródło:
Management and Production Engineering Review; 2020, 11, 4; 92-103
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FLHex: a flapped-paddle hexapod for all-terrain amphibious locomotion
Autorzy:
Burzyński, Piotr
Simha, Ashutosh
Kotta, Ülle
Pawluszewicz, Ewa
Sastry, Shivakumar
Powiązania:
https://bibliotekanauki.pl/articles/2086886.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biologically-inspired robots
amphibious robotics
mechanism design
biologicznie inspirowany robot
roboty pływające
projektowanie mechanizmu
Opis:
This paper presents the design of a versatile mechanism that can enable new directions in amphibious, all-terrain locomotion. The simple, passive, flapped-paddle can be integrated with several structures that are well-suited for locomotion in terrestrial applications. The flapped-paddle overcomes a serious limitation of the conventional flipper where the net lateral forces generated during oscillatory motion in aquatic environments averages out to zero. The flapped-paddle and its mounting, collectively, rests in natural positions in the aquatic environment so as to maximize hydrodynamic force utilization and consequently the propulsive efficiency. The simplicity of the design enabled us to develop a simulation model that concurs well with experimental results. The results reported in the paper are based on integrating the flapped-paddle with the curved leg of the RHex hexapod robot.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 6; e139007, 1--9
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Noise sensitivity of selected kinematic path following controllers for a unicycle
Autorzy:
Libal, U.
Płaskonka, J.
Powiązania:
https://bibliotekanauki.pl/articles/200552.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
wheeled mobile robots
path following
Serret-Frenet frame
model-based control
nonlinear control systems
nonholonomic constraints
probabilistic robotics
Opis:
In the paper a path following problem for a wheeled mobile robot of (2,0) type has been considered. The kinematic model of the robot was derived with respect to the Serret-Frenet frame. Two kinematic control algorithms - Samson and Morin-Samson - have been tested taking into account their sensitivity to a white noise with a zero mean appearing in the one of state variables. The properties of path following errors have been analysed using statistical techniques. The conclusions related to an acceptable level of noise and a range of applicability of the presented algorithms have been reached.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2014, 62, 1; 3-13
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Architektura wspomagana mechatroniką. Robot Aided Design
Architecture with Mechatronics. Robot Aided Design
Autorzy:
Wojtowicz, J.
Wrona, S.
Powiązania:
https://bibliotekanauki.pl/articles/145672.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
architektura
mechatronika
robotyka
projektowanie
fabrykacja
montaż
automatyzacja budownictwa
architektura kinetyczna
architecture
mechatronics
robotics
design
fabrication
assembly
automation of construction
kinetic architecture
Opis:
Integrowanie projektowania i mechatroniki prowadzi ku nowej domenie architektury. Robotyka staje się obecna w twórczych procesach projektowania, modelowania i budowania architektury społeczeństwa wiedzy. Powstaje nowa architektura, która może reagować na zmienne warunki środowiska oraz zmienne wymagania funkcjonalne. Robotyka umożliwia współpracę projektanta i użytkownika w tych procesach. Wybrane przykłady świadczą, że fabrykacja i montaż elementów architektury z wykorzystaniem robotów jest zjawiskiem potencjalnie istotnym w przekształceniach miasta i jego architektury.
The new phenomena resulting from the integration of architecture and mechatronics are discussed. In the society of knowledge, design, modeling, fabricating and assembling of architecture with robotics can be seen as part of creative design process. The use of robotics and automation affects the practice and world of architecture. Fabrication and assembly of structures and elements of building using robots is an important phenomenon, as illustrated by the cited examples. Kinetic architecture becomes a form of interface that responds to changing conditions context and to dynamic user requirements.
Źródło:
Kwartalnik Architektury i Urbanistyki; 2017, 62, 1; 5-23
0023-5865
Pojawia się w:
Kwartalnik Architektury i Urbanistyki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Virtual factory as a method of foundry design and production management
Autorzy:
Stawowy, A.
Wrona, R.
Brzeziński, M.
Ziółkowski, E.
Powiązania:
https://bibliotekanauki.pl/articles/383269.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
information technology
foundry industry
automation in foundry
robotics in foundry
virtual factory design
technologia informacyjna
przemysł odlewniczy
automatyka w odlewnictwie
robotyka w odlewnictwie
Opis:
The paper outlines the methodology of virtual design of a foundry plant as a system. The most important stage in the procedure involves the development of a model defined as a set of data about the system. Model development involves two stages: defining the model’s architecture and specifying the model data in the form of parameters and input-output relationships. The structure is understood as configuration of machines and transport units, representing the sub-systems and system components. As the main purpose of the simulation procedure is to find the characteristics of the system’s behaviour, the merits of the iterative method involving analysis, synthesis and evaluation of results are fully explored.
Źródło:
Archives of Foundry Engineering; 2013, 13, 1; 113-118
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-Criterion Assessment of Different Variants of Casts Manufacturing Processes
Autorzy:
Kukla, S.
Powiązania:
https://bibliotekanauki.pl/articles/381235.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
application of information technology
foundry industry
automation in foundry
robotics in foundry
zastosowanie technologii informatycznych
przemysł odlewniczy
automatyka w odlewnictwie
robotyka w odlewnictwie
Opis:
The paper presents the issue of production processes improvement in foundries in the area of finishing treatment of iron casts manufactured on automated foundry lines with vertical or horizontal mould division. Due to numerous factors which influence the efficiency of the processes, multi-criterion assessment tools were proposed in order to select the optimal solution for the assumed criteria. After determining the criteria weight using the Saaty method, a simulation experiment was designed and carried out which presents possible scenarios of casts finishing treatment operations. Basing on experiment reports from a computer model, particular solutions were evaluated using the Yager’s method. The evaluation of the experiment results was performed by experts who assessed different options according to each of the criteria adopted. After the establishment of the total standardized ratings by averaging the scores given by individual experts, the final decision was generated. Using the presented method, the best solution was chosen from among the analyzed scenarios.
Źródło:
Archives of Foundry Engineering; 2014, 14, 3; 47-50
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The obstacle vector field (OVF) method for collision-free trajectory planning of free-floating space manipulator
Autorzy:
Rybus, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/2173652.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
space robotics
obstacle avoidance
obstacle vector field
free-floating system
on-orbit servicing
robotyka kosmiczna
unikanie przeszkód
pole wektora przeszkód
system swobodnie pływający
serwis orbitalny
Opis:
Manipulators mounted on small satellites will be used to perform on-orbit servicing, removal of space debris, and assembly of large orbital structures. During such operations, the manipulator must avoid collisions with the target object or the elements of the assembled structure. Planning of the manipulator trajectory is one of the major challenges for the proposed missions because the motion of the manipulator influences the position and orientation of the satellite. Thus, the dynamic equations of motion must be used during trajectory planning. Methods developed for fixed-base manipulators working on Earth cannot be directly applied. In this paper, we propose a new obstacle vector field (OVF) method for collision-free trajectory planning of a manipulator mounted on a free-floating satellite. The OVF method is based on a vector field that surrounds the obstacles and generates virtual forces that drive the manipulator around the obstacles. The OVF method is compared with the classical artificial potential field (APF) method and the rapidly exploring random trees (RRT) method. In the presented examples the trajectory planning problem is solved for a planar case in which the satellite is equipped with a 2 DoF manipulator. It is shown that the OVF method is more efficient than the APF method, i.e., it allows us to solve the trajectory planning problem in some of the cases, in which the APF method is unsuccessful. The time required to find the solution with the use of the OVF method is shorter than the time needed by the APF and the RRT method.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2022, 70, 2; art. no. e140691
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Use of Formal Knowledge Representation in Operating on Resources Concerning Cast Iron Processing
Autorzy:
Kluska-Nawarecka, S.
Wilk-Kołodziejczyk, D.
Rojek, G.
Regulski, K.
Polek, G.
Powiązania:
https://bibliotekanauki.pl/articles/380345.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
information technology
foundry industry
automation in foundry
robotics in foundry
semantic analysis
semantic search
technologia informatyczna
przemysł odlewniczy
automatyka w odlewnictwie
robotyka w odlewnictwie
analiza semantyczna
wyszukiwarka semantyczna
Opis:
The problem of materials selection in terms of their mechanical properties during the design of new products is a key issue of design. The complexity of this process is mainly due to a multitude of variants in the previously produced materials and the possibility of their further processing improving the properties. In everyday practice, the problem is solved basing on expert or designer knowledge. The paper is the proposition of a solution using computer-aided analysis of material experimental data, which may be acquired from external data sources. In both cases, taking into account the rapid growth of data, additional tools become increasingly important, mainly those which offer support for adding, viewing, and simple comparison of different experiments. In this paper, the use of formal knowledge representation in the form of an ontology is proposed as a bridge between physical repositories of data in the form of files and user queries, which are usually formulated in natural language. The number and the sophisticated internal structure of attributes or parameters that could be the criteria of the search for the user are an important issue in the traditional data search tools. Ontology, as a formal representation of knowledge, enables taking into account the known relationships between concepts in the field of cast iron, materials used and processing techniques. This allows the user to receive support by searching the results of experiments that relate to a specific material or processing treatment. Automatic presentation of the results which relate to similar materials or similar processing treatments is also possible, which should make the conducted analysis of the selection of materials or processing treatments more comprehensive by including a wider range of possible solutions.
Źródło:
Archives of Foundry Engineering; 2015, 15, 2; 39-42
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Use of Abrasive Waterjet Cutting to Remove Flash from Castings
Autorzy:
Bańkowski, D.
Spadło, S.
Powiązania:
https://bibliotekanauki.pl/articles/380980.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
surface treatment
quality management
automation in foundry
robotics in foundry
abrasive water jet cutting
castings
obróbka powierzchniowa
zarządzanie jakością
automatyzacja w odlewni
robotyka w odlewni
cięcie strumieniem wody
odlewy
Opis:
This article proposes to use abrasive waterjet cutting (AWJ) for deflashing, deburring and similar finishing operations in casting. The basic requirements concerning the dimensional accuracy and surface texture of cast components are not met if visible surface flaws are detected. The experiments focused on the removal of external flash from elements made of EN-GJL-150 cast iron. The method employed for finishing was abrasive waterjet cutting. The tests were carried out using an APW 2010BB waterjet cutting machine. The form profiles before and after flash removal were determined with a Taylor Hobson PGI 1200 contact profiler. A Nikon AZ100 optical microscope was applied to observe and measure the changes in the flash height and width. The casting surface after finishing was smooth, without characteristic sharp, rough edges that occur in the cutting of objects with a considerable thickness. It should be emphasized that this method does not replace precise cutting operations. Yet, it can be successfully used to finish castings for which lower surface quality is required. An undoubted advantage of waterjet cutting is no effect of high temperature as is the case with plasma, laser or conventional cutting. This process is also easy to automate; one tool is needed to perform different finishing operations in order to obtain the desired dimensions, both internal and external.
Źródło:
Archives of Foundry Engineering; 2019, 3; 94-98
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The rationalization of automatic units for HPDC technology
Autorzy:
Herman, A.
Powiązania:
https://bibliotekanauki.pl/articles/382755.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
automatyka w odlewnictwie
robotyka w odlewnictwie
zarządzanie jakością
odlewanie wysokociśnieniowe
cykl pracy
automation in foundry
robotics in foundry
quality management
high pressure die casting (HPDC)
work cycle
rationalization of automatic unit
Opis:
The paper deals with problem of optimal used automatic workplace for HPDC technology - mainly from aspects of operations sequence, efficiency of work cycle and planning of using and servicing of HPDC casting machine. Presented are possible ways to analyse automatic units for HPDC. The experimental part was focused on the rationalization of the current work cycle time for die casting of aluminium alloy. The working place was described in detail in the project. The measurements were carried out in detail with the help of charts and graphs mapped cycle of casting workplace. Other parameters and settings have been identified. The proposals for improvements were made after the first measurements and these improvements were subsequently verified. The main actions were mainly software modifications of casting center. It is for the reason that today's sophisticated workplaces have the option of a relatively wide range of modifications without any physical harm to machines themselves. It is possible to change settings or unlock some unsatisfactory parameters.
Źródło:
Archives of Foundry Engineering; 2012, 12, 2; 29-34
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality and Safety Assurance of Iron Casts and Manufacturing Processes
Autorzy:
Kukla, S.
Powiązania:
https://bibliotekanauki.pl/articles/381237.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
foundry
automation in foundry
robotics in foundry
transport systems
quality management
workplace organization
ergonomics of work
odlewnia
automatyzacja w odlewni
robotyka w odlewni
systemy transportowe
zarządzanie jakością
organizacja pracy
ergonomia pracy
Opis:
The scope of this work focuses on the aspects of quality and safety assurance of the iron cast manufacturing processes. Special attention was given to the processes of quality control and after-machining of iron casts manufactured on automatic foundry lines. Due to low level of automation and huge work intensity at this stage of the process, a model area was established which underwent reorganization in accordance with the assumptions of the World Class Manufacturing (WCM). An analysis of work intensity was carried out and the costs were divided in order to identify operations with no value added, particularly at individual manufacturing departments. Also an analysis of ergonomics at work stations was carried out to eliminate activities that are uncomfortable and dangerous to the workers' health. Several solutions were proposed in terms of rationalization of work organization at iron cast after-machining work stations. The proposed solutions were assessed with the use of multi-criteria assessment tools and then the best variant was selected based on the assumed optimization criteria. The summary of the obtained results reflects benefits from implementation of the proposed solutions.
Źródło:
Archives of Foundry Engineering; 2016, 16, 2; 17-20
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Production of Plaster Molds with Patternless Process Technology
Autorzy:
Pastirčák, R.
Sládek, A.
Kucharčíková, E.
Powiązania:
https://bibliotekanauki.pl/articles/379940.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
innovative foundry technology
innovative foundry material
automation in foundry
robotics in foundry
Patternless process technology
plaster thermomold
aluminium alloy
innowacyjna technologia odlewnicza
innowacyjny materiał odlewniczy
automatyka w odlewnictwie
robotyka w odlewnictwie
technologia Patternless
stop aluminium
Opis:
The work deals with technology Patternless process that combines 3 manufacturing process mold by using rapid prototyping technology, conventional sand formation and 3D milling. It's unconventional technology that has been developed to produce large-sized and heavy duty castings weighing up to several tons. It is used mainly in prototype and small batch production, because eliminating production of models. The work deals with the production of blocks for making molds of gypsum and gypsum drying process technology Thermomold. Into blocks, where were made cavities by milling were casted test castings from AlSi10MgMn alloy by gravity casting. At machining of the mold cavity was varied feed rate of tool of cemented carbide. Evaluated was the surface roughness of test castings, that was to 5 micrometers with feed from 900 to 1300 mm/min. The dimensional accuracy of castings was high at feed rate of 1000 and 1500 mm/min did not exceed 0.025 mm.
Źródło:
Archives of Foundry Engineering; 2015, 15, 2; 91-94
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 21

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