Hybrid power and propulsion systems for ships: Current status and future challenges

Inal, Ömer Berkehan; Charpentier, Jean-Frédéric; Deniz, Cengiz

doi:10.1016/j.rser.2021.111965

Cited by 133 publications

(45 citation statements)

References 114 publications

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“…The additional benefits of adopting electric propulsion systems correspond to the ability to imagine alternate configurations to the conventional approach. This approach consists of one central motor and many mechanical transmission systems [10].…”

Section: Automotive Structure With Two Separate Front-wheel Drivesmentioning

confidence: 99%

Stability Control Modeling and Simulation Strategy for an Electric Vehicle Using Two Separate Wheel Drives

Attia¹,

Zaamouche²,

Houam³

et al. 2022

EJEE

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This study of modifying the frame forces of an electric vehicle offers benefits for controlling stability. We used a two-wheeled self-driving electric vehicle in this study. Taking into account important parameters such as vehicle speed, the vehicle's stability criterion is determined based on the torque level and lateral slip angle. It is equipped with a traction control system that integrates its dynamic system with a sporty design. This level of control improves the vehicle's stability and safety. A conventional regulator has been developed and trained to apply motor control to a sophisticated power supply system. The stability of the EVs was controlled by a simulation model. We validated the proposed stability criterion, and the wheel torque control algorithm. Stability control for two-wheeled autonomous vehicles can be developed on the basis of related research. We would like to stress that the controller can be used in a variety of modern electric vehicles because it is so easy to use. An overview of the modeling and simulation results for this system in the MATLAB-Simulink environment will be presented.

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Section: Automotive Structure With Two Separate Front-wheel Drivesmentioning

confidence: 99%

Stability Control Modeling and Simulation Strategy for an Electric Vehicle Using Two Separate Wheel Drives

Attia¹,

Zaamouche²,

Houam³

et al. 2022

EJEE

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“…In recent years, there has been a shifting trend to electrification in maritime transportation [2]. The hybrid electric configurations with diesel generators, batteries, fuel cells, solar panels, and other sources for power supply, have attracted increasing interest [3]. Through Alternating Current (AC) or Direct Current (DC) distribution systems, the produced current is delivered to the electric motor that drives the ship's propulsor.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Review of Modeling and Optimization Methods for Ship Energy Systems

2023

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This paper presents a comprehensive literature review of the state-of-the art modeling and optimization methods for the power and propulsion systems of ships. Modeling is a tool to investigate the performance of actual systems by running simulations in the virtual world. There are two main approaches in modeling: physics-based and data-driven, which are both covered in detail in this survey paper. The output from the simulations might not be optimal in terms of certain performance criteria such as energy consumption, fuel cost etc. Hence, it is vital to optimize the systems considering the efficient interaction between the components, to yield the optimal performance for the integrated vessel's powertrain. In this paper, the optimization case studies, for the ship energy systems, will be divided in terms of a) optimal design (topology and sizing), b) optimal control and energy management strategies, c) combined optimal design and control. Tables that summarize the literature review outcomes will also be presented at the end of each section. The main outcome is that limited literature is available for optimizations of ship powertrains using datadriven models, especially surrogate models. Surrogate-assisted optimizations for integrated ship energy systems can yield optimal solutions at fast computational speeds, with sufficient accuracy, even for complex, nested, multi-level, multi-objective optimizations.

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“…As the worldwide shipping activities are continuously growing, higher requirements are put forth towards the green shipping in order to limit the environmental impacts of maritime industry. The International Maritime Organization (IMO) has established a series of regulatory frameworks for the limitation of both the air pollutants, such as nitrogen oxides (NOx), and greenhouse gaseous emissions, primarily CO 2 [1][2][3]. Especially, Annex IV of MARPOL Convention defines the Energy Efficiency Design Index (EEDI) for new ships, the Energy Efficiency for Existing Ship Index (EEXI), the Ship Energy Efficiency Management Plan (SEEMP), ship fuel oil Data Collection System (DCN) and the Carbon Intensity Indicator (CII) and CII Rating [4,5].…”

Section: Introductionmentioning

confidence: 99%

Simulation Study on the Performance and Emission Parameters of a Marine Diesel Engine

Xin

Zhai

Chang

et al. 2022

JMSE

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Development of intelligent ships requires marine diesel engine simulation models of high accuracy and fast response. In addition, with advent of tighter shipping air emissions regulations, such models are required to have emission prediction capabilities. In this article, such a model was developed and validated for a 30,000-ton bulk carrier main engine using MATLAB/Simulink. The simulation is based on mean value model, which predicts both the steady-state and dynamic performance of the engine. The results show that the steady-state performance parameters of the main engine are predicted within 2.2% error, and the exhaust emissions parameters are predicted within 7% error as compared to the bench test data from the engine manufacturer. The Maximum Continuous Rating (MCR) points at 100%, 75%, 50% and 25% of the E3 duty cycle were investigated with emphasis according to the diesel propulsion characteristics. In dynamic simulation, it is found that the compressor pressure fluctuation is greater than that of the exhaust pressure with the load variation. Furthermore, the compressor and the exhaust pipe have a similar temperature drop value (about 60 K) when the engine load changes from 100% to 50% MCR, and the exhaust pipe temperature fluctuation is more significant when the load varies from 50% to 25% MCR. The above results show the model’s good transient capability in simulating the dynamic characteristics of the engine. This model can be used especially for the development and control of marine diesel engines in intelligent ships as well as training-oriented marine engine and ship simulators.

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Hybrid power and propulsion systems for ships: Current status and future challenges

Cited by 133 publications

References 114 publications

Stability Control Modeling and Simulation Strategy for an Electric Vehicle Using Two Separate Wheel Drives

Stability Control Modeling and Simulation Strategy for an Electric Vehicle Using Two Separate Wheel Drives

A Comprehensive Review of Modeling and Optimization Methods for Ship Energy Systems

Simulation Study on the Performance and Emission Parameters of a Marine Diesel Engine

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