منابع مشابه
Hybrid Metaheuristics to Aid Runway Scheduling at London Heathrow Airport
A London Heathrow is one of the busiest airports in the world, it has only one runway for use by departing aircraft at any time. Separations are required between each pair of aircraft at take-off—depending on their routes, weights, and speeds—to ensure safety. Efficient scheduling of the aircraft for take-off can reduce the total separations and increase throughput. A runway controller is respo...
متن کاملDeparture Runway Scheduling at London Heathrow Airport Extended Abstract
London Heathrow airport is one of the busiest airports in the world as it is very popular with both airlines and passengers. The capacity of the departure system at Heathrow is limited by the capacity of the runway. It is therefore imperative to maximise the throughput of the single available departure runway. Aircraft taxi from the stands to the ends of the runway where they queue in holding p...
متن کاملGreening London: Sustainability, Politics and the Third Way
One of the key problems of the sustainability agenda is the relationship between policy and implementation. Policy perspectives are often informed by normative definitions of sustainability. Implementation, by contrast, has to focus on the complex and pragmatic concerns of governance institutions, citizens and other actors involved in the process. The linkage between both sides of the agenda is...
متن کاملHybrid metaheuristics to aid runway scheduling under uncertainty at London Heathrow airport
London Heathrow Airport is a very popular and busy airport. Indeed it is one of the busiest airports in the world. In order to control noise for residents on flight paths, only one of Heathrow’s two parallel runways can be used for departures at any given time. We aim to increase the throughput of the departure system, and in particular the runway, which is a bottleneck for the whole system. Mi...
متن کاملPulmonary tuberculosis among political asylum seekers screened at Heathrow Airport, London, 1995-9.
BACKGROUND Over 50% of cases of tuberculosis (TB) in the UK occur in people born overseas, and new entrants to the country are screened for TB. A study was undertaken to determine the prevalence and disease characteristics of pulmonary TB in new entrants to the UK seeking political asylum. METHODS A retrospective analysis of the results of screening 53 911 political asylum seekers arriving at...
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ژورنال
عنوان ژورنال: Nature
سال: 1970
ISSN: 0028-0836,1476-4687
DOI: 10.1038/225773c0