نتایج جستجو برای: fleet of ships scheduling
تعداد نتایج: 21175771 فیلتر نتایج به سال:
Second generation intact stability criteria for few past years had been under development by International Maritime Organization (IMO). Since the draft proposed amendments shall be amended to International code on Intact Stability (IS code 2008), new regulations shall enter into force for ships of length more than 24 meter. Generally second generation intact stability criteria (SGISC) refers to...
We study a dynamic repair shop scheduling problem in the context of military aircraft fleet management. A number of flights, each with a requirement for a specific number and type of aircraft, are already scheduled over a long horizon. The overall scheduling horizon is considered to be composed of multiple time periods. The goal is to maintain a full complement of aircraft. We need to assign ai...
Kliewer et al. (2006b, 2011) proposed a time window implementation to the multi-depot vehicle (and crew) scheduling problem using a time-space network (TSN). Based on this approach, we developed a new methodology to implement time windows to the vehicle-type scheduling problem (VTSP), which solves the vehicle scheduling problem considering heterogeneous fleet. Our method presents as main advant...
The integrated operational transportation planning problem extends the traditional vehicle routing and scheduling problem by the possibility of outsourcing a part of the requests by involving subcontractors. The purpose of this paper is to present the integrated planning problem and to propose an approach for solving it by a tabu search heuristic. Existing approaches from literature which discu...
Unmanned surface vehicles (USVs) have been deployed over the past decade. Current USV platforms are generally of small size with low payload capacity and short endurance times. To improve effectiveness there is a trend to deploy multiple USVs as a formation fleet. This paper presents a novel computer based algorithm that solves the problem of USV formation path planning. The algorithm is based ...
BACKGROUND Being highly contagious by person-to-person transmission, varicella can easily spread within the multinational population of a cruise ship and into communities ashore. The aim of the study was to report the prevalence of varicella infections in a fleet of cruise ships during a two-year period and to discuss measures to prevent and contain shipboard outbreaks. MATERIAL AND METHODS A...
This paper presents a decision support system that is oriented toward fisheries policy and management decisions. The important current issues involve the development of an optimal harvesting plan for the fishing industry. A simulation optimization has been built to assist authorities in scheduling for a fleet of hundreds of vessels in terms of time and location of fishing, as well as amount and...
To understand the (British) Royal Navy at the time of the Napoleonic Wars, it is necessary to appreciate the extent to which they were not a new episode for the navy but rather the latest iteration of a repeated challenge that had existed since 1689. Moreover, the navy had institutional and career continuity, and indeed to a much greater extent than its Continental rivals. As a result, it is ne...
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