منابع مشابه
Automation Effects in Train Driving with Train Protection Systems – Assessing Person- and Task-related Factors
Signals passed at danger (SPADs) are amongst the most common incidents in railway operations and are largely attributed to human errors. Train protection systems have therefore been introduced to mitigate and prevent SPADs. Overrunning and slipping past stops, however, remains an issue and very little empirical research has looked into the effects of such partial automation systems thereby, esp...
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Standards relating to the development of safetyrelated systems containing software tend to focus on the requirements that need to be met in order to ensure that a system of the expected integrity is delivered. These standards are establishing benchmarks which customers and regulators are now specifying. The problem is that if a high integrity system is required, it may be uneconomic because of ...
متن کاملProtection Survivability Importance for Evaluating System Survivability in Multi-state Protection Systems
Importance measures are being widely used in risk-informed applications to characterize the importance of component failures, human errors, common cause failures, etc. In order to decrease the impact of external factors and increase the system survivability, a multilevel protection is applied to its components or subsystems. Each level of protection can have multiple states from perfect protect...
متن کاملSecuring Positive Train Control Systems
Positive train control (PTC) systems are distributed interoperable systems that control the movement of passenger and freight trains, providing significant safety enhancements over traditional methods of operating railroads. Due to their reliance on wireless communications, PTC systems are vulnerable to attacks that can compromise safety and potentially cause serious accidents. Designing PTC sy...
متن کاملMultidimensional Coefficient Approach to Comfort Evaluating for High-speed Train
In the complex operation environment of high-speed trains, the comprehensive evaluation index systems with high scientificity and measurability have been established after the all-round analysis of various effects on comfort for high-speed train. Meanwhile, a comprehensive evaluation method on comfort for high-speed train has been built by the rough set theory and multidimensional coefficient t...
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ژورنال
عنوان ژورنال: Journal of the Operational Research Society
سال: 2004
ISSN: 0160-5682,1476-9360
DOI: 10.1057/palgrave.jors.2601724