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Wyszukujesz frazę "Reinert, D." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Ion Microscopy and Tomography
Autorzy:
Butz, T.
Lehmann, D.
Reinert, T.
Spemann, D.
Vogt, J.
Powiązania:
https://bibliotekanauki.pl/articles/2028912.pdf
Data publikacji:
2001-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
41.75.Ak
72.20.My
29.30.Kv
Opis:
The use of light ions for microscopy and tomography is illustrated by a variety of recent applications in materials and life sciences at the Leipzig high-energy ion-nanoprobe LIPSION with a short comparison to other microscopic techniques. The versatility of ion techniques is exemplified by Rutherford backscattering spectrometry maps of thin films of solar cell materials, particle induced X-ray emission maps of manganese in ancient human bones, particle induced X-ray emission on single aerosol particles withμm size, and scanning transmission ion microscopy and tomography on pigs knee cartilage. Finally, the design of a single ion single living cell bombardment facility is sketched for studies of the cellular response and microdosimetry.
Źródło:
Acta Physica Polonica A; 2001, 100, 5; 603-613
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
International Research Into Occupational Safety and Health Protection
Autorzy:
Meffert, K.
Reinert, D.
Powiązania:
https://bibliotekanauki.pl/articles/90553.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
research priorities
occupational safety and health
international comparison
bezpieczeństwo i higiena pracy
projektowanie pracy
badania naukowe
Opis:
Are we doing the right thing? Are we setting the right priorities for the future in occupational safety and health research? How does BG (Institution for Statutory Accident Insurance and Prevention) research compare nationally and internationally? As a mosaic of answers to these questions, this article explores international research on priorities in occupational research and analyses these against the backdrop of the nearly 1,000 research projects conducted by 9 institutions from 8 countries in the year 2003.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 4; 347-354
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Certification of Highly Complex Safety-Related Systems
Autorzy:
Reinert, D.
Schaefer, M.
Powiązania:
https://bibliotekanauki.pl/articles/89868.pdf
Data publikacji:
1999
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
certification
complex electronic systems
numerical controller
power drive
machining centre
validation
verification
microcomputer
metrics
software
certyfikacja
systemy elektroniczne
centra obróbkowe
mikrokomputery
oprogramowanie
Opis:
The BIA has now 15 years of experience with the certification of complex electronic systems for safety-related applications in the machinery sector. Using the example of machining centres, this presentation will show the systematic procedure for verifying and validating control systems using Application Specific Integrated Circuits (ASICs) and microcomputers for safety functions. One section will describe the control structure of machining centres with control systems using “ integrated safety.” A diverse redundant architecture combined with crossmonitoring and forced dynamisation is explained. In the main section the steps of the systematic certification procedure are explained showing some results of the certification of drilling machines. Specification reviews, design reviews with test case specification, statistical analysis, and walk-throughs are the analytical measures in the testing process. Systematic tests based on the test case specification, Electro Magnetic Interference (EMI) and environmental testing, and site acceptance tests on the machines are the testing measures for validation. A complex software driven system is always undergoing modification. Most of the changes are not safety-relevant but this has to be proven. A systematic procedure for certifying software modifications is presented in the last section of the paper.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1999, 5, 4; 537-552
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Safety Studies on Hydraulic Proportional Valves With Electrical Position Feedback
Autorzy:
Reinert, D.
Kimura, T.
Gorgs, K.- J.
Powiązania:
https://bibliotekanauki.pl/articles/90877.pdf
Data publikacji:
2006
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
proportional value
electrical position feedback
failure behaviour
hydraulic safety
fault detection
zawór
elektryczność
hydraulika
Opis:
The authors analysed a proportional valve with electrical position feedback for its failure behaviour. Several failures were introduced into the feedback loop, especially into the 2 solenoids and the inductive position transducer. The behaviour of the valve for square and ramp reference signals was recorded and systematically analysed. It was shown that failures could be detected by monitoring the residual signal from the equipment under control or the residual signal from the sensor. It was possible to achieve the safe position within twice the normal response time of the valve by switching off the current of both solenoids. The application of these results for a new generation of safe proportional valves is discussed. The use of the results of these investigations obviates the need for redundancy of the electrical position monitoring arrangement in a safe proportional valve.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2006, 12, 1; 105-115
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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