Optimization Model to Manage Ship Fuel Consumption and Navigation Time

Abstract

Owners of vessels are interested in the lowest possible operating costs. These costs are mainly related to fuel consumption during navigation. To manage it rationally, the main decision-making problem is selecting the proper parameters of the ship’s propulsion system during navigation. In practice, operators of ships equipped with controllable pitch propellers controlled in manual mode make a selection of the commanded outputs based on their own knowledge, intuition, and all accessible information regarding sea conditions. In many cases, their decisions are unreasonable or incorrect. Therefore, it would be desirable to support their decision-making in selecting the commanded outputs. For this reason, we have decided to develop a decision support system in the form of an expert system. This computer-aided system supports the selection of the commanded outputs of the ship’s propulsion system. The most important component of this system is the two-criteria optimization model, allowing the rational management of the ship fuel consumption and navigation time.

Application of IoT Technologies in Seaport Management

“…Seaports or shipping are also part of the cause. A large number of studies have been carried out on the green and clean technological solutions for seaports and shipping such as toxic emission management [78][79][80][81][82][83][84], and utilization and application of clean energy relating to toxic emission and clean energy management become extremely important [85][86][87][88][89], ballast water treatment in seaport [90][91][92], treatment and management for oily water and polluted water sources by heavy metal caused by maritime activities [93][94][95][96][97][98][99][100][101].…”

Hierarchical Multiscale Fluctuation Dispersion Entropy for Fuel Injection System Fault Diagnosis

“…(3) To obtain the hierarchical components 𝑋𝑋 𝑘𝑘,𝑒𝑒 of each layer in the hier process, the operator 𝑄𝑄 𝑗𝑗 𝑘𝑘 is used repeatedly. At the same time, define the o 1} and integer e = ∑ γ j 2 n−j n j=1 (4) Based on vector [𝛾𝛾 1 , 𝛾𝛾 2 ,••• , 𝛾𝛾 𝑛𝑛 ], the hierarchical component of the e-th can be calculated by 𝑋𝑋 𝑘𝑘 (5) For each 𝑋𝑋 𝑘𝑘,𝑒𝑒 , the coarse-gain sequence can be calculated by…”

“…These have become the main source of pollutants in the sea and coastal areas of ports, causing serious damage to the ecological environment and affecting people's health [4]. The fuel injection system of a marine diesel engine has an important influence on its power, economy and emissions [5], such as improving combustion performance, reducing pollutant emissions and increasing diesel engine power [6]. The ideal fuel injection system has the characteristics of high injection pressure, flexible adjustment of the injection law and injection timing [7].…”

Computer-Aided System for Layout of Fire Hydrants on Boards Designed Vessel Using the Particle Swarm Optimization Algorithm

“…This can be done using various techniques, but in this study, min-max normalization was applied. A detailed description of such a method utilized by the authors can be found in [23].…”