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Wyszukujesz frazę "Kotus, M." wg kryterium: Autor

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    Wyświetlanie 1-15 z 15
    Tytuł:
    Assessment of Customer Satisfaction as an Element Deciding About Enterprises Competitiveness
    Autorzy:
    Ingaldi, M.
    Kotus, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2064958.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Tematy:
    service quality
    customer's opinion
    CSI
    quality management
    Opis:
    Enterprises which want to ensure a secure and stable market position must constantly look for ways to convince customers (current and potential) that their goods and services are competitive and represent a sufficiently high level of quality, consistent with the their needs. Service enterprises use specific methods and tools to analyze the quality of their services and to be sure that these services are competitive on the market. One of the important elements of such an analysis is the assessment of customer satisfaction. This research should be treated as a key stage in the customer satisfaction management system. Without knowing the customers' expectations, the enterprise is unable to determine what to improve and correct. In this case, the Customer Satisfaction Index (CSI), which not only indicates what to improve, but also shows the level of customer satisfaction, should be used. The purpose of the paper is to assess customer satisfaction in a service point of a known producer of men's clothes. The CSI index and a specially developed survey were used for the research. The questionnaire was filled in by the customers of the research service point after the service delivery. According to the obtained results, individual determinants should be maintained and monitored by the enterprise. The research also identified areas for improvement, i.e. product quality, design and ways of payment. However, the overall CSI score is good, which means that despite few problems with customers' satisfaction, they are satisfied with the research service point.
    Źródło:
    Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 657--664
    2545-2827
    Pojawia się w:
    Multidisciplinary Aspects of Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Reliability evaluation in the production process of aluminum castings
    Autorzy:
    Jankajova, E.
    Kotus, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/111875.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    production process
    die casting
    aluminium castings
    proces produkcji
    odlewanie ciśnieniowe
    odlewy aluminiowe
    Opis:
    This article deals with reliability evaluation of the production process for die casting. Reliability of the production process was assessed on the basis of productivity and deformity. With suitably chosen production technology the increasing of labour productivity can be achieved alongside the required quality of aluminum castings.
    Źródło:
    Production Engineering Archives; 2015, 6, 1; 49-51
    2353-5156
    2353-7779
    Pojawia się w:
    Production Engineering Archives
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The use of importance/performance analysis in evalution of tranposport sevice
    Autorzy:
    Ingaldi, M.
    Kotus, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/114937.pdf
    Data publikacji:
    2015
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    service quality
    transport service
    Importance/Performance analysis
    IPA
    jakość usług
    usługi transportowe
    badanie satysfakcji klienta
    analiza IPA
    Opis:
    Services quality, because of their specificity, it is difficult to evaluate, especially since there is no their materiality, it can't be seen. Usually the gap between the expectations of customer and his perceptions in relation to a particular service is observed. In the chapter evaluation of transport service quality in chosen transport company in south of Poland was made. For this purpose the Importance/Performance analysis was used. First of all a survey was created. The same survey and its results were already used to evaluate quality management according to Servqual method in another paper (INGALDI M., WYWIAL S. 2015). In this case pairs of evaluations (Performance; Importance) were placed on Importance/Performance map. In this way the evaluation of the transport service was possible.
    Źródło:
    Zeszyty Naukowe. Quality. Production. Improvement; 2015, 2 (3); 124-136
    2544-2813
    Pojawia się w:
    Zeszyty Naukowe. Quality. Production. Improvement
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of Wood Processing Safety in the Production Organization
    Autorzy:
    Kotus, M.
    Koloman, K.
    Hudec, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2065027.pdf
    Data publikacji:
    2018
    Wydawca:
    STE GROUP
    Tematy:
    hazard
    threat
    risk
    circular saw
    Opis:
    Occupational health and safety legislation imposes an obligation on the production organization to regularly and comprehensibly inform employees of the dangers, threats and risks involved. In the paper, we assessed the basic requirements of safety in the wood processing workshop on the forming disc saw. Deficiencies in non-compliance with security regulations were determined from the check list analysis (CLA). The safety assessment was performed using the extended point method, where we determined the value of the risk measure. When working on a saw blade, the risk cannot be accepted and safety precautions have to be proposed. For the production organization, we have proposed remedial measures and a safety card to be considered before working on forming disc saw. All the measures proposed by us were accepted and implemented by the production organization. Applying and observing safety measures can prevent the occurrence of an occupational injury or damage to the health of the worker.
    Źródło:
    Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 727--737
    2545-2827
    Pojawia się w:
    Multidisciplinary Aspects of Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Risk assessment of decreasing the failure of thermal liquid collector
    Ocena ryzyka zmniejszenia uszkodzeń kolektora cieplnego
    Autorzy:
    Kotus, M.
    Burda, M.
    Pauliček, T.
    Kiedrowicz, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1205747.pdf
    Data publikacji:
    2014
    Wydawca:
    STE GROUP
    Tematy:
    ocena ryzyka
    kolektor
    uszkodzenie
    risk assessment
    collector
    failure
    Opis:
    Object of the study is an evaluation of applied remedies at a process of decrement of failure of the thermal liquid collector by application of FMEA method. Remedies that lead into the minimisation of failures are proposed after identification and evaluation of potentially failures.
    Celem badania jest ocena zastosowanych środków w procesie zmniejszania ilości uszkodzeń kolektora cieplnego poprzez zastosowanie metody FMEA. Środki zaradcze, które prowadzą do minimalizacji wad zostały zaproponowane po identyfikacji i ocenie potencjalnych uszkodzeń.
    Źródło:
    Management Systems in Production Engineering; 2014, 1 (13); 10-12
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Improving quality of statistical process control by dealing with non-normal data in automotive industry
    Test statystyczny sprawozdający hipotezę dobroci pearsona
    Autorzy:
    Andrássyová, Z.
    Paulicek, T.
    Pichna, P.
    Kotus, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/409966.pdf
    Data publikacji:
    2012
    Wydawca:
    STE GROUP
    Tematy:
    zasady zarządzania jakością
    przepływ informacji
    total quality management
    quality
    statistical control
    hypothesis testing
    probability distribution
    normality
    data transformation
    Opis:
    Study deals with an analysis of data to the effect that it improves the quality of statistical tools in processes of assembly of automobile seats. Normal distribution of variables is one of inevitable conditions for the analysis, examination, and improvement of the manufacturing processes (f. e.: manufacturing process capability) although, there are constantly more approaches to non-normal data handling. An appropriate probability distribution of measured data is firstly tested by the goodness of fit of empirical distribution with theoretical normal distribution on the basis of hypothesis testing using programme StatGraphics Centurion XV.II. Data are collected from the assembly process of 1st row automobile seats for each characteristic of quality (Safety Regulation -S/R) individually. Study closely processes the measured data of an airbag´s assembly and it aims to accomplish the normal distributed data and apply it the statistical process control. Results of the contribution conclude in a statement of rejection of the null hypothesis (measured variables do not follow the normal distribution) therefore it is necessary to begin to work on data transformation supported by Minitab15. Even this approach does not reach a normal distributed data and so should be proposed a procedure that leads to the quality output of whole statistical control of manufacturing processes.
    W artykule dotyczącym metod i technik prognozowania wartości kluczowych wskaźników efektywności obsługi (ang. Key Performance Indicators) zdefiniowano oraz sklasyfikowano te wskaźniki. Przedstawiono wymagania oraz sposób doboru wskaźników KPI. Dokonano przeglądu, a także scharakteryzowano metody i techniki prognozowania stanu organizacji utrzymania ruchu. Przedstawiono koncepcję wykorzystania wybranych metod oraz narzędzi gromadzenia oraz przetwarzania danych dla potrzeb prognozowania tego stanu.
    Źródło:
    Management Systems in Production Engineering; 2012, 3 (7); 26-30
    2299-0461
    Pojawia się w:
    Management Systems in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Creating Acoustic Maps Employing Supercomputing Cluster
    Autorzy:
    Czyżewski, A.
    Kotus, J.
    Szczodrak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/177400.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    noise pollution
    acoustic noise monitoring
    noise propagation model
    supercomputing
    acoustic maps
    Opis:
    The implemented online urban noise pollution monitoring system is presented with regard to its conceptual assumptions and technical realization. A concept of the noise source parameters dynamic assessment is introduced. The idea of noise modeling, based on noise emission characteristics and emission simulations, was developed and practically utilized in the system. Furthermore, the working system architecture and the data acquisition scheme are described. The method for increasing the speed of noise map calculation employing a supercomputer is explained. The practical implementation of noise maps generation and visualization system is presented, together with introduced improvements in the domain of continuous noise monitoring and acoustic maps creation. Some results of tests performed using the system prototype are shown. The main focus is put on assessing the efficiency of the acoustic maps created with the discussed system, in comparison to results obtained with traditional methods.
    Źródło:
    Archives of Acoustics; 2011, 36, 2; 395-418
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distrubuted system for noise threat evaluation based on psychoacoustic measurements
    Autorzy:
    Kotus, J.
    Szczodrak, M.
    Czyżewski, A.
    Kostek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/220609.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    noise
    environmental noise
    dosimetry
    measurements
    Opis:
    An innovative system designed for the continuous monitoring of acoustic climate of urban areas was presented in the paper. The assessment of environmental threats is performed using online data, acquired through a grid of engineered monitoring stations collecting comprehensive information about the acoustic climate of urban areas. The grid of proposed devices provides valuable data for the purpose of long and short time acoustic climate analysis. Dynamic estimation of noise source parameters and real measurement results of emission data are utilized to create dynamic noise maps accessible to the general public. This operation is performed through the noise source prediction employing a propagation model being optimized for computer cluster implementation requirements. It enables the system to generate noise maps in a reasonable time and to publish regularly map updates in the Internet. Moreover, the functionality of the system was extended with new techniques for assessing noise-induced harmful effects on the human hearing system. The principle of operation of the dosimeter is based on a modified psychoacoustic model of hearing and on the results of research performed with participation of volunteers concerning the impact of noise on hearing. The primary function of the dosimeter is to estimate, in real time, auditory effects which are caused by exposure to noise. The results of measurements and simulations performed by the system prototype are depicted and analyzed. Several cases of long-term and short-term measurements of noise originating from various sources were considered in detail. The presented outcomes of predicted degree of the hearing threshold shift induced during the noise exposure can increase the awareness of harmfulness of excessive sound levels.
    Źródło:
    Metrology and Measurement Systems; 2012, 19, 2; 219-230
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The application of a noise mapping tool deployed in grid infrastructure for creating noise maps of Urban areas
    Autorzy:
    Szczodrak, M.
    Kotus, J.
    Czyżewski, A.
    Kostek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/305743.pdf
    Data publikacji:
    2013
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    noise map
    noise modeling
    grid computing
    noise
    Opis:
    The concept and implementation of the system for creating dynamic noise maps in PL-Grid infrastructure are presented. The methodology of dynamic acoustical map screating is introduced. The concept of noise mapping, based on noise source and propagation models, was developed and employed in the system. The details of incorporation of the system to the PL-Grid infrastructure are presented. The results of simulations performed by the system prototype are depicted. The results in the form of noise maps obtained by a system are compared with some other solutions in order to investigate accuracy.
    Źródło:
    Computer Science; 2013, 14 (2); 231-242
    1508-2806
    2300-7036
    Pojawia się w:
    Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sound Intensity Distribution Around Organ Pipe
    Autorzy:
    Odya, P.
    Kotus, J.
    Szczodrak, M.
    Kostek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/177568.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    organ pipe
    acoustic vector sensor
    sound intensity
    Cartesian robot
    Opis:
    The aim of the paper was to compare acoustic field around the open and stopped organ pipes. The wooden organ pipe was located in the anechoic chamber and activated with a constant air flow, produced by an external air-compressor. Thus, a long-term steady state response was possible to obtain. Multichannel acoustic vector sensor was used to measure the sound intensity distribution of radiated acoustic energy. Measurements have been carried out on a defined fixed grid of points. A specialized Cartesian robot allowed for a precise positioning of the acoustic probe. The resulted data were processed in order to obtain and visualize the sound intensity distribution around the pipe, taking into account the type of the organ pipe, frequency of the generated sound, the sound pressure level and the direction of acoustic energy propagation. For the open pipe, an additional sound source was identified at the top of the pipe. In this case, the streamlines in front of the pipe are propagated horizontally and in a greater distance than in a case of the stopped pipe, moreover they are directed downwards. For the stopped pipe, the streamlines of the acoustic flow were directed upwards. The results for both pipe types were compared and discussed in the paper.
    Źródło:
    Archives of Acoustics; 2017, 42, 1; 13-22
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Long-Term Comparative Evaluation of Acoustic Climate in Selected Schools Before and After Acoustic Treatment
    Autorzy:
    Kotus, J.
    Szczodrak, M.
    Czyżewski, A.
    Kostek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/177966.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    noise measurement
    acoustic climate evaluation
    acoustic treatment
    noise dose
    Opis:
    The results of long-term continuous noise measurements in two selected schools are presented in the paper. Noise characteristics were measured continuously there for approximately 16 months. Measurements started eight months prior to the acoustic treatment of the school corridors of both schools. An evaluation of the acoustic climates in both schools, before and after the acoustic treatment, was performed based on comparison of these two periods of continuous measurements. The autonomous noise monitoring stations, engineered at the Multimedia Systems Department of the Gdansk University of Technology were used for this purpose. Investigations of measured noise, especially its influence on hearing sense, assessed on ground of spectral analyses in critical bands, is discussed. Effects of occupational noise exposure, including the Temporary Threshold Shift simulation, are determined. The correlation of the above said measurement results with respective instantaneous noise levels is discussed, and concluding remarks are presented. Some additional indicators such as air pollution or video analysis aiming at the analysis of corridor occupancy are also measured. It should be remembered that excessive noise, or air pollution may be evidence of a dangerous event and may pose health risks.
    Źródło:
    Archives of Acoustics; 2010, 35, 4; 551-564
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Creating Dynamic Maps of Noise Threat Using PL-Grid Infrastructure
    Autorzy:
    Szczodrak, M.
    Kotus, J.
    Kostek, B.
    Czyżewski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/177988.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    noise
    dynamic noise map
    reverse engineering
    grid computing
    Opis:
    The paper presents functionality and operation results of a system for creating dynamic maps of acoustic noise employing the PL-Grid infrastructure extended with a distributed sensor network. The work presented provides a demonstration of the services being prepared within the PLGrid Plus project for measuring, modeling and rendering data related to noise level distribution in city agglomerations. Specific computational environments, the so-called domain grids, are developed in the mentioned project. For particular domain grids, specialized IT solutions are prepared, i.e. software implementation and hardware (infrastructure adaptation), dedicated for particular researcher groups demands, including acoustics (the domain grid “Acoustics”). The infrastructure and the software developed can be utilized mainly for research and education purposes, however it can also help in urban planning. The engineered software is intended for creating maps of noise threat for road, railways and industrial sources. Integration of the software services with the distributed sensor network enables automatic updating noise maps for a specific time period. The unique feature of the developed software is a possibility of evaluating auditory effects which are caused by the exposure to excessive noise. The estimation of auditory effects is based on calculated noise levels in a given exposure period. The outcomes of this research study are presented in a form of the cumulative noise dose and the characteristics of the temporary threshold shift.
    Źródło:
    Archives of Acoustics; 2013, 38, 2; 235-242
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multimedialny System Monitorowania Hałasu
    Multimedia Noise Monitoring System
    Autorzy:
    Czyżewski, A.
    Kotus, J.
    Kostek, B.
    Szczodrak, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/180743.pdf
    Data publikacji:
    2007
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    hałas
    zagrożenie hałasem
    system monitorowania hałasu
    pomiary hałasu
    psychoakustyczny dozymetr hałasu
    noise
    noise pollution
    noise monitoring system
    noise measurements
    psychoacoustic noise dosimetry
    Opis:
    W artykule przedstawiono Multimedialny System Monitorowania Hałasu. Projekt jest sieciocentrycznym systemem dedykowanym monitorowaniu zagrożeń hałasem. Jego nadrzędnym celem jest zwiększenie skuteczności w zakresie profilaktyki chorób słuchu. Umożliwia pobieranie, gromadzenie, analizę i wizualizację danych dotyczących hałasu, pobieranych ze zdalnych urządzeń pomiarowych oraz elektronicznych ankiet dostępnych przez Internet. Ponadto w artykule przedstawiono autorską koncepcję psychoakustycznego dozymetru hałasowego. Dozymetr ten umożliwia wyznaczenie czasowego przesunięcia progu słyszenia podczas trwania ekspozycji na hałas. Możliwe jest dzięki temu ciągłe monitorowanie progu słyszenia osób przebywających w warunkach szkodliwego oddziaływania hałasu.
    A concept and an implementation of a multimedia computer system for monitoring environmental noise threats is presented. The principal aim of the project was to improve the effectiveness of prophylaxis of hearing diseases. The system makes it possible to receive, store, analyze and visualize noise data coming from noise measurement equipment and from electronic questionnaires accessible through the Internet. Moreover a new concept of psychoacoustic noise dosimetry is also presented. The designed noise dosimeter can assess temporary threshold shift (TTS) during noise exposure. In this way it is possible to monitor the hearing threshold shift continuously for people exposed to harmful noise.
    Źródło:
    Bezpieczeństwo Pracy : nauka i praktyka; 2007, 7/8; 8-11
    0137-7043
    Pojawia się w:
    Bezpieczeństwo Pracy : nauka i praktyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Problems of Railway Noise—A Case Study
    Autorzy:
    Szwarc, M.
    Kostek, B.
    Kotus, J.
    Szczodrak, M.
    Czyżewski, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/91183.pdf
    Data publikacji:
    2011
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    rail traffic noise
    national government legislation and regulations
    European Community requirements
    noise-generating devices
    rolling contact noise sources
    rail vehicle noise
    Opis:
    Under Directive 2002/49/EC relating to the assessment and management of environmental noise, all European countries are obliged to model their environmental noise levels in heavily populated areas. Some countries have their own national method, to predict noise but most have not created one yet. The recommendation for countries that do not have their own model is to use an interim method. The Dutch SRM II scheme is suggested for railways. In addition to the Dutch model, this paper describes and discusses 3 other national methods. Moreover, discrepancies between the HARMONOISE and IMAGINE projects are analysed. The results of rail traffic noise measurements are compared with national methods.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2011, 17, 3; 309-325
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A System for Acoustic Field Measurement Employing Cartesian Robot
    Autorzy:
    Szczodrak, M.
    Kurowski, A.
    Kotus, J.
    Czyżewski, A.
    Kostek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/221435.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Cartesian robot
    sound intensity
    sound field
    anechoic chamber
    Opis:
    A system setup for measurements of acoustic field, together with the results of 3D visualisations of acoustic energy flow are presented in the paper. Spatial sampling of the field is performed by a Cartesian robot. Automatization of the measurement process is achieved with the use of a specialized control system. The method is based on measuring the sound pressure (scalar) and particle velocity(vector) quantities. The aim of the system is to collect data with a high precision and repeatability. The system is employed for measurements of acoustic energy flow in the proximity of an artificial head in an anechoic chamber. In the measurement setup an algorithm for generation of the probe movement path is included. The algorithm finds the optimum path of the robot movement, taking into account a given 3D object shape present in the measurement space. The results are presented for two cases, first without any obstacle and the other - with an artificial head in the sound field.
    Źródło:
    Metrology and Measurement Systems; 2016, 23, 3; 333-343
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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