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Li, M. (author), Bijvoet, Bas (author), Wu, Kangjie (author), Jiang, X. (author), Negenborn, R.R. (author)Offshore wind energy is expected to be the most significant source of future electricity supply in Europe. Offshore wind farms are located far from the shores, requiring a fleet of various types of vessels to access sites when maintaining offshore wind turbines. The employment of the vessels is costly, accounting for the majority of the total...journal article 2024
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Xin, Jianbin (author), Meng, Chuang (author), D'Ariano, Andrea (author), Schulte, F. (author), Peng, Jinzhu (author), Negenborn, R.R. (author)This paper investigates a novel routing problem of a multi-robot station in a manufacturing cell. In the existing literature, the objective is to minimize the cycle time or energy consumption separately. The routing problem considered in this paper aims to reduce the cycle time and energy consumption jointly for each robot while avoiding...journal article 2023
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Tao, W. (author), Zhu, Man (author), Chen, Shengyong (author), Cheng, Xu (author), Wen, Yuanqiao (author), Zhang, Weidong (author), Negenborn, R.R. (author), Pang, Y. (author)Vessels sailing in a single platoon could reduce resistance from the perspective of the whole platoon and the individual vessel, and contribute to improving energy benefits. Moreover, transportation energy costs and traffic efficiency are essential indicators for measuring waterborne transportation systems. We attempt to minimize...journal article 2023
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Kirichek, Alex (author), Pruyn, J.F.J. (author), Atasoy, B. (author), Negenborn, R.R. (author), Zuidwijk, R. (author), van Duin, Ron (author), Tachi, K. (author), van Koningsveld, M. (author)Several measures have been developed to prevent emissions from inland water transportation. However, it is challenging to weigh all the aspects to identify the pathway that will ultimately result in zero-emission inland shipping. A data-driven virtual representation of the inland shipping system can be used to evaluate zero-emission strategies,...conference paper 2023
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Xin, Jianbin (author), Wei, Liuqian (author), D'Ariano, Andrea (author), Zhang, Fangfang (author), Negenborn, R.R. (author)Operations of Automated Guided Vehicles (AGVs) are desired to be more energy-efficient while maintaining high transport productivity, motivated by the green production requirements. This paper investigates a new energy-efficient planning problem for determining conflict-free paths of the AGVs in its transport roadmap. In this problem, the...journal article 2023
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Li, M. (author), Jiang, X. (author), Carroll, James (author), Negenborn, R.R. (author)The determination of maintenance strategies is subject to complexity and uncertainty arising from variable offshore wind farm states and inaccuracies in model parameters. The most common method in the existing studies is to adopt an open-loop approach to optimize a maintenance strategy. However, this approach lacks the ability to capture...journal article 2023
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Armenta, C. (author), Delprat, S. (author), Hawksley, B. (author), Negenborn, R.R. (author)This work proposes a controller design that integrates an Equivalent Consumption Minimization Strategy framework and a quasi-LPV framework. The proposed scheme allows exploiting the characteristics of both frameworks. Also, a proof of the input-state-stability (ISS) of the closed-loop is presented, expressed as linearmatrix-inequality conditions...journal article 2022
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Xin, J. (author), Meng, Chuang (author), D'Ariano, Andrea (author), Wang, Dongshu (author), Negenborn, R.R. (author)Energy consumption is expected to be reduced while maintaining high productivity for container handling. This paper investigates a new energy-efficient scheduling problem of automated container terminals, in which quay cranes (QCs) and lift automated guided vehicles (AGVs) cooperate to handle inbound and outbound containers. In our scheduling...journal article 2022
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Wang, Kai (author), Xue, Yu (author), Xu, Hao (author), Huang, Lianzhong (author), Ma, Ranqi (author), Zhang, Peng (author), Jiang, X. (author), Yuan, Yupeng (author), Negenborn, R.R. (author), Sun, Peiting (author)Wing-diesel engine-powered hybrid ships can effectively reduce fuel consumption and CO<sub>2</sub> emissions by using wind energy as the auxiliary driving power. The energy optimization management of the hybrid system can further improve the ship's energy efficiency. To achieve this purpose, it is significant to establish an effective energy...journal article 2022
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Li, M. (author), Jiang, X. (author), Carroll, James (author), Negenborn, R.R. (author)While offshore wind energy is showing enormous potential, effective approaches to enhance its economics are being sought at the same time. The design of maintenance strategy is a type of strategic decision-making for offshore wind farms, aiming to improve energy production and reduce maintenance expenses. As a complicated and challenging task...journal article 2022
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Armenta, Carlos (author), Delprat, Sebastien (author), Negenborn, R.R. (author), Haseltalab, A. (author), Lauber, Jimmy (author), Dambrine, Michel (author)Pontryagin’s Minimum Principle is a way of solving hybrid powertrain optimal energy management. This paper presents an improvement of a classical implementation. The core of this improvement consists in relaxing the tolerance on some intermediate steps of the algorithm in order to reduce the number of iterations and thereby reducing the...journal article 2021
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Wang, Kai (author), Xu, Hao (author), Li, Jiayuan (author), Huang, Lianzhong (author), Ma, Ranqi (author), Jiang, X. (author), Yuan, Yupeng (author), Mwero, Ngome A. (author), Sun, Peiting (author), Negenborn, R.R. (author), Yan, Xinping (author)It is of significant importance to optimize the energy consumption of ships in order to improve economy and reduce CO<sub>2</sub> emissions. However, the energy use of ships is affected by a series of navigational environmental parameters, which have certain spatial and temporal differences and variability. Therefore, the dynamic...journal article 2021
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Haseltalab, A. (author), van Biert, L. (author), Sapra, H.D. (author), Mestemaker, Benny (author), Negenborn, R.R. (author)The shipping industry is facing increasing demands to reduce its environmental footprints. This has resulted in adoption of new and more environmental friendly power sources and fuels for on-board power generation. One of these novel power sources is the Solid Oxide Fuel Cell (SOFC) which has a great potential to act as a power source, thanks...journal article 2021
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Li, M. (author), Jiang, X. (author), Negenborn, R.R. (author)Operation & maintenance (O&M) costs account for a large portion of total life cycle cost for onshore wind energy, and the amount is estimated to be more for offshore wind energy. Developing a sound opportunistic maintenance strategy is a solution to reduce O&M costs and enhance wind energy's competitiveness. When the wind farm is...journal article 2021
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Wang, X. (author), Shipurkar, U. (author), Haseltalab, A. (author), Polinder, H. (author), Claeys, Frans (author), Negenborn, R.R. (author)Ship hybridization has received some interests recently in order to achieve the emission target by 2050. However, designing and optimizing a hybrid propulsion system is a complicated problem. Sizing components and optimizing energy management control are coupled with each other. This paper applies a nested double-layer optimization...journal article 2021
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Li, M. (author), Jiang, X. (author), Carroll, James (author), Negenborn, R.R. (author)The increasing capacity of offshore wind energy around the world brings challenges in Operation and Maintenance (O&M) management. Over the past years, many studies have focused on developing sound maintenance strategies in order to minimize maintenance cost or maximize availability. One of the promising maintenance strategies is...conference paper 2021
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Wang, K. (author), Li, Jiayuan (author), Yan, Xinping (author), Huang, Lianzhong (author), Jiang, X. (author), Yuan, Yupeng (author), Ma, Ranqi (author), Negenborn, R.R. (author)The optimization of ship energy consumption is attracting a great deal of attention, as societies seek to save energy and reduce emissions. Shipping companies are more concerned with the energy consumption of a ship fleet, as opposed to that of a single ship. Because the energy consumption of a fleet is influenced by multiple factors...journal article 2020
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Wang, K. (author), Li, Jiayuan (author), Huang, Lianzhong (author), Ma, Ranqi (author), Jiang, X. (author), Yuan, Yupeng (author), Mwero, Ngome A. (author), Negenborn, R.R. (author), Sun, Peiting (author), Yan, Xinping (author)Energy saving and emission reduction have attracted a great deal of attention in the maritime industry. The optimization of a ship's energy efficiency can reduce energy consumption and CO<sub>2</sub> emissions effectively. However, most of the available studies only focus on either the sailing speed or route optimization, and the interaction...journal article 2020
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Haseltalab, A. (author), Negenborn, R.R. (author)Over the last few years, autonomous shipping has been under extensive investigation by the scientific community where the main focus has been on ship maneuvering control and not on the optimal use of energy sources. In this paper, the purpose is to bridge the gap between maneuvering control, energy management, and the control of the Power and...journal article 2019
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Wang, K. (author), Yan, Xinping (author), Yuan, Yupeng (author), Jiang, X. (author), Lin, X. (author), Negenborn, R.R. (author)Nowadays, optimization of ship energy efficiency attracts increasing attention in order to meet the requirement for energy conservation and emission reduction. Ship operation energy efficiency is significantly influenced by environmental factors such as wind speed and direction, water speed and depth. Owing to inherent time-variety and...journal article 2018
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