Results 1 to 10 of about 1,116,535 (288)

Motion Plan of Maritime Autonomous Surface Ships by Dynamic Programming for Collision Avoidance and Speed Optimization [PDF]

open access: yesSensors, 2019
Maritime Autonomous Surface Ships (MASS) with advanced guidance, navigation, and control capabilities have attracted great attention in recent years. Sailing safely and efficiently are critical requirements for autonomous control of MASS.
Xiongfei Geng   +3 more
doaj   +2 more sources

Optimization Based High-Speed Railway Train Rescheduling with Speed Restriction [PDF]

open access: yesDiscrete Dynamics in Nature and Society, 2014
A decision support framework with four components is proposed for high-speed railway timetable rescheduling in case of speed restriction. The first module provides the speed restriction information.
Li Wang   +4 more
doaj   +3 more sources

A speed optimization model for connected and autonomous vehicles at expressway tunnel entrance under mixed traffic environment. [PDF]

open access: yesPLoS ONE
Rear-end collisions frequently occurred in the entrance zone of expressway tunnel, necessitating enhanced traffic safety through speed guidance. However, existing speed optimization models mainly focus on urban signal-controlled intersections or ...
Jianrong Cai, Yang Liu, Zhixue Li
doaj   +2 more sources

Joint Voyage Planning and Onboard Energy Management of Hybrid Propulsion Ships

open access: yesJournal of Marine Science and Engineering, 2023
Maritime transportation decarbonization has become a crucial factor in reducing carbon emissions and mitigating climate change. As an industry that historically relies on fossil fuels, in particular, heavy fuel oil, the reinvention of the maritime ...
Yu Wang   +6 more
doaj   +1 more source

Green Vessel Scheduling with Weather Impact and Emission Control Area Consideration

open access: yesMathematics, 2023
Emissions of maritime transport have been a critical research topic with the substantial growth in the global shipping industry, encompassing both the expansion of the world fleet and the increased distances it has been covering recently.
Xin Wen   +3 more
doaj   +1 more source

Heterogeneous Tramp Ship Scheduling and Speed Optimization with Fuzzy Time Window

open access: yesShanghai Jiaotong Daxue xuebao, 2021
In order to improve the cargo owner’s satisfaction and obtain better economic benefits for shipping companies, the ship deployment along routes and speed optimization of tramp ships are studied, considering the influencing factors of ship scheduling with
FAN Houming   +5 more
doaj   +1 more source

Emission Abatement Technology Selection, Routing and Speed Optimization of Hybrid Ships

open access: yesJournal of Marine Science and Engineering, 2021
This paper evaluates the effect of a large-capacity electrical energy storage, e.g., Li-ion battery, on optimal sailing routes, speeds, fuel choice, and emission abatement technology selection.
Antti Ritari   +4 more
doaj   +1 more source

Green Technology Adoption and Fleet Deployment for New and Aged Ships Considering Maritime Decarbonization

open access: yesJournal of Marine Science and Engineering, 2022
Maritime decarbonization and strict international regulations have forced liner companies to find new solutions for reducing fuel consumption and greenhouse gas emissions in recent years.
Yiwei Wu   +4 more
doaj   +1 more source

Overview of intelligent ship route optimization methods

open access: yesZhongguo Jianchuan Yanjiu, 2023
In recent years, the route optimization of intelligent ships has attracted increasing attention in academic and industrial circles. Aiming at the problem of intelligent ship route optimization, this paper expounds upon the characteristics of various ...
Dongdong GUO, Yong YIN, Fangbing XIAO
doaj   +1 more source

Hybrid dynamic modeling and receding horizon speed optimization for liner shipping operations from schedule reliability and energy efficiency perspectives

open access: yesFrontiers in Marine Science, 2023
Uncertainties in port handling efficiency can cause port delays in the liner shipping system. Furthermore, policies on carbon emission reduction, such as EEXI standards, restrict the potential for speed optimization in liner shipping operations ...
Jian Zheng, Chuanshuo Mao, Qiang Zhang
doaj   +1 more source

Home - About - Disclaimer - Privacy