The Experts below are selected from a list of 9 Experts worldwide ranked by ideXlab platform
Ison, David C. - One of the best experts on this subject based on the ideXlab platform.
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Analysis of Runway Incursion Trends: Implications for Cost-Benefit Analysis of Mitigation Investments
2374-6793, 2020Co-Authors: Ison, David C.Abstract:This causal-comparative and correlation study investigated the costs of runway incursion safety improvements in relation to their effectiveness to assess potential aviation system benefits.Two airports (Los Angeles International and Dallas-Ft. Worth International), which were early adopters of Runway Status Lights (RWSL), a runway incursion technology, were targeted in this analysis. Findings indicated that there were no significant differences in counts or rates of Category A, B, and D incursions at LAX and DFW when comparing the time periods before versus after RWSL Installation. Category C counts and rates were found to have increased significantly after RWSL Installation. The findings of this study outline the importance of assessing empirically-based impacts of large investments in aviation safety prior to implementing them system-wide. The findings do not support the premise that RWSL has improved safety at either LAX or DFW airports. Suggestions for future research are also outlined
Luo Wei-na - One of the best experts on this subject based on the ideXlab platform.
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A collection of Frequently Asked Questions during the execution of GB 4793.1-2007《Safety requirementsfor electrical equipment for measurement,control,and laboratory use Part 1:General requirements》
Chinese Journal of Medical Device, 2008Co-Authors: Luo Wei-naAbstract:The determination of Installation Category,Marking,Dielectric strength tests,Mechanical resistance to shock and impact,Protection against HAZARDS from fluids and Protection against the spread of fire for IVD equipment are basic requirement of GB 4793.1-2007 standard.This requirement is always the consideration of most manufactures during their process of product design and execution of GB 4793.1-2007 standard.
Gregg Kervill - One of the best experts on this subject based on the ideXlab platform.
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Creepage and clearance
Practical Guide to Low Voltage Directive, 1998Co-Authors: Gregg KervillAbstract:Clearance and electric strength requirements are based on the expected overvoltage transients, which may enter the equipment from the mains supply. According to IEC Publication 664, the magnitude of these transients is determined by normal supply voltage and supply arrangement. The latter are categorized into four groups as Installation Categories I to IV (also known as Overvoltage Categories I to IV).This standard assumes Installation Category II at the equipment supply terminals. Transients may be caused by switching inductive loads or (the most severe form) by lightning. These transients are higher near their source and become attenuated by the inductive and capacitive components, within the power distribution system and building wiring, as they propagate to adjacent equipment.