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    Wyświetlanie 1-4 z 4
    Tytuł:
    Enhancement of Drilling Safety and Quality Using Online Sensors and Artificial Neural Networks
    Autorzy:
    Liu, T.- I.
    Kumagai, A.
    Lee, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/90529.pdf
    Data publikacji:
    2003
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    drilling safety
    online sensors
    artificial neural networks
    bezpieczeństwo pracy
    ocena ryzyka zawodowego
    wiertnictwo
    sieci neuronowe
    Opis:
    Cutting force sensors and neural networks have been used for the occupational safety of the drilling process. The drill conditions have been online classified into 3 categories: safe, caution, and danger. This approach can change the drill just before its failure. The inputs to neural networks include drill size, feed rate, spindle speed, and features that were extracted from drilling force measure-ments. The outputs indicate the safety states. This detection system can reach a success rate of over 95%. Furthermore, the one misclassification during online tests was a one-step ahead pre-alarm that is acceptable from the safety and quality viewpoint. The developed online detection system is very robust and can be used in very complex manufacturing environments.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2003, 9, 1; 37-56
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of Postural Load During Tasks Related to Milking Cows—A Case Study
    Autorzy:
    Groborz, A.
    Tokarski, T.
    Roman-Liu, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/90722.pdf
    Data publikacji:
    2011
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    postural load
    milking cows
    case study
    Opis:
    The aim of this study was to analyse postural load during tasks related to milking cows of 2 farmers on 2 different farms (one with a manual milk transport system, the other with a fully automated milk transport system) as a case study. The participants were full-time farmers, they were both healthy and experienced in their job. The Ovako Working Posture Analyzing System (OWAS) was used to evaluate postural load and postural risk. Postural load was medium for the farmer on the farm with a manual milk transport system and high for the farmer working on the farm with a fully automated milk transport system. Thus, it can be concluded that a higher level of farm mechanization not always mean that the farmer’s postural load is lower, but limitation of OWAS should be considered.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2011, 17, 4; 423-432
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Practical Application of Ergonomic Settings of Typical Computerised Workstations
    Autorzy:
    Tokarski, T.
    Liu, D.
    Kamińska, J.
    Wolska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/91119.pdf
    Data publikacji:
    2000
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    computerised workstations
    ergonomic settings
    lighting
    ergonomia
    komputerowe stanowisko pracy
    oświetlenie
    Opis:
    The goal of the study was to check, with regard to ergonomics, workstations equipped with visual display terminals in selected enterprises. Over 180 workstations were tested in 3 enterprises. Most workstations were equipped with computers. The ergonomics of both the parameters of the basic components of the workstation (i.e., a chair and a desk, and the position of the computer at the workstation and its screen with respect to windows) and lighting fittings were analysed. Typical mistakes in the layout of a workstation were chairs inappropriate for computer work, as well as broken chair adjustment mechanisms, which qualified chairs for repair or replacement. Wrong positioning of monitors on the desk and with regard to windows and lighting fittings was also noted.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2000, Zeszyt Specjalny; 119-126
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Effect of an Ergonomic Intervention on Musculoskeletal, Psychosocial and Visual Strain of VDT Data Entry Work: The Polish Part of the International Study
    Autorzy:
    Konarska, M.
    Wolska, A.
    Widerszal-Bazyl, M.
    Bugajska, J.
    Roman-Liu, D.
    Aaras, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/90638.pdf
    Data publikacji:
    2005
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    data entry operators
    workload
    ergonomic interventions
    ergonomia
    warunki pracy
    praca biurowa
    choroby narządów ruchu
    komputer
    bazy danych
    stres
    zagrożenie zdrowia
    układ kostny
    Opis:
    A group of routine data entry operators (female) was included in the Polish MEPS (musculoskeletal-eyestrain-psychosocial-stress) study. Before the intervention, ergonomic assessment revealed improper working conditions such as inadequate lighting, uncomfortable chairs, and lack of forearm and wrist support while medical examination revealed that trapezius muscle load along with upper arm, head and back angles were higher than advisable. Subjects complained about neck and shoulder pain, visual problems, and psychosocial conditions. The ergonomic intervention included installation of new luminaires and Venetian blinds, new chairs, repair of ventilators, and optometric corrections. The results after the intervention showed mainly improvement in chair comfort, lighting conditions, visual strain, and sitting posture. However, financial limitations did not allow satisfactory completion of the intervention leading to a mixed interpretation of the results.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2005, 11, 1; 65-76
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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