نتایج جستجو برای: ship transportation
تعداد نتایج: 73205 فیلتر نتایج به سال:
Ship path planning is one of the key technologies for ship automation. Establishing a cooperative collision avoidance (CA) multi-ship encounters great value to maritime intelligent transportation. This study aims solve problem collaborative based on algorithm Conflict Search (CS) and Space-Time Hybrid A-star (STHA). First, static CA searched each by using space-time algorithm, conflict risk are...
Ship collision is the most common type of accident in Northern Baltic Sea, posing a risk to safety maritime transportation. Near miss detection from automatic identification system (AIS) data provides insight into transportation safety. Collision always triggers ship maneuver for safe passing. Some frenetic rudder actions occur at last moment before collision. However, relationship between beha...
This paper examines a ship routing problem with pickup and delivery and time windows for maritime oil transportation, motivated by the production and logistics activities of an oil company operating in the Brazilian coast. The transportation costs from offshore platforms to coastal terminals are an important issue in the search for operational excellence in the oil industry, involving operation...
Usage of the new and alternative clean fuel is becoming a hot topic in marine transportation in accordance with environmental regulations of I.M.O. Using L.N.G as the ship fuel is a reliable and long term solution for environmental issues. Iran owing to its large number of natural gas fields and unique geographical position, has adequate potential to provide services to shipping fleets. Finding...
Ships play the major role in bulk transportation and they need their special energy system. This paper proposes a stochastic programing method for optimal sizing of a hybrid ship power system with energy storage system (ESS), photovoltaic power (PV) and diesel generator. To account for uncertainties, in this study a two-stage stochastic mixed-integer non-linear programing is used to model the o...
Aim To establish prehospital triage in accordance with the new guidelines for endovascular therapy, we retrospectively analyzed the monitoring data of the city-wide transportation system using the Maria Prehospital Stroke Scale (MPSS), a novel prehospital stroke scale for emergency medical technicians (EMTs) to predict the likelihood of thrombolytic therapy after transportation. Methods Kawas...
دینامیک کشتی در امواج تابع فاکتورهای مختلفی از جمله سرعت کشتی، اندازه کشتی، زاویه برخورد موج و ارتفاع موج است. اگر حرکات کشتی در امواج بلند و شرایط نامساعد دریا زیاد شود نتایج نامطلوبی را به دنبال خواهد داشت. ایجاد پدیده هایی چون خیسی عرشه، کوبش کف، خروج پروانه از آب و شتاب های بالا نتایج منفی را برای سازه و خدمه و مسافر و بار در پی خواهد داشت. بنابراین رفتار مناسب و آرام کشتی در امواج دریا و ش...
Although liability under general tort and contract law principles is not limited to a certain amount, liability arising under a carriage contract is limited by the majority of international transport conventions and national legislatures and, there are certain reasons given to justify the “essential departure from the current rules of civil law” and it is common for the liability of the carrier...
The conventional method towards deriving schedule for a fleet of ships to minimize cost alone has the short-coming of not addressing the problem of operation revenue losses associated with delays during maintenance at ships dockyards. In this paper, a preventive maintenance schedule for a fleet of ships that incorporates op-portunity cost is presented. The idea is to assign a penalty cost to al...
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