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Development and Key Technologies of Maritime Unmanned Systems

Qiu Zhiming, Meng Xiangyao, Ma Yan, Chen Yi, Feng Wei

Strategic Study of CAE 2023, Volume 25, Issue 3, Pages 74-83 doi: 10.15302/J-SSCAE-2023.03.005

Abstract:

Maritime unmanned system are crucial for future intelligent and unmannedanalyzes the development status of maritime unmanned systems and corresponding technologies in ChinaThe challenges and trends for the development of maritime unmanned systems are summarized and keyMoreover, development pathways of maritime unmanned systems in key directions are explored and countermeasuresto promote the sustained, steady, and rapid development of maritime unmanned systems are recommended

Keywords： maritime unmanned systems cluster intelligent cross-domain collaboration key technologies

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Intelligent unmanned systems: important achievements and applications of new generation artificial intelligence Editorial

Cheng Wu, Tao Zhang

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 5, Pages 649-651 doi: 10.1631/FITEE.2030000

Abstract: For example, the development of intelli-gent unmanned systems (IUSs) will soon become a landmark achievementOver the years, humans have created various types of unmanned systems.More importantly, as human knowledge develops, the technology level of unmanned systems is graduallyUnmanned systems are a variety of systems de-veloped to work without human inputs, but the highest levelof “unmanned” systems is man-machine integration.

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Improving the resilience of maritime supply chains: The integration of ports and inland transporters

Frontiers of Engineering Management Pages 51-66 doi: 10.1007/s42524-022-0231-3

Abstract: player, ports can integrate with inland logistics providers to improve the efficiency and resilience of maritimeThis study examines the strategic options of two competing maritime supply chains consisting of portsimpact of cooperation between ports and inland logistics providers and government regulation on the maritimeResults indicate that the hybrid scenario is an equilibrium strategy for maritime supply chain, although

Keywords： resilience Hotelling model social welfare maritime supply chain game theory

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A model for the evaluation of environmental impact indicators for a sustainable maritime transportationsystems

Lizzette Pérez LESPIER, Suzanna LONG, Tom SHOBERG, Steven CORNS

Frontiers of Engineering Management 2019, Volume 6, Issue 3, Pages 368-383 doi: 10.1007/s42524-019-0004-9

Abstract: Maritime shipping is considered the most efficient, low-cost means for transporting large quantitiesTherefore, environmental sustainability is a pressing issue for maritime shipping management, given theIn-depth studies of maritime transportation systems (MTS) can be used to identify key environmental impact

Keywords： Environmental sustainability maritime transportation system environmental impact indicators fuzzy analytic

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Maritime Strategies of other Nations and Their Implications for China

Yang Jinsen and Wang Fang

Strategic Study of CAE 2016, Volume 18, Issue 2, Pages 119-125 doi: 10.15302/J-SSCAE-2016.02.015

Abstract:

Based on a review of existing studies on the development of maritime strategies of the US, UK andChina's neighboring countries, this paper summarizes their history and features of each state's maritimeThe success of a maritime power, in achieving its goals, relies on the overall strategy of a nation andand advanced science and technology have formed solid foundations for transforming China into a great maritimeOther countries' maritime strategies provide useful data for China's development of its

Keywords： maritime strategy experience and reference

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Toward autonomous mining: design and development of an unmanned electric shovel via point cloud-based

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0686-2

Abstract: With the proposal of intelligent mines, unmanned mining has become a research hotspot in recent yearsIn this study, an unmanned electric shovel (UES) is developed, and key robotization processes consisting

Keywords： autonomous excavation unmanned electric shovel point cloud excavation trajectory planning

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Theory and Practice of Maritime Power

Wang Fang

Strategic Study of CAE 2016, Volume 18, Issue 2, Pages 55-60 doi: 10.15302/J-SSCAE-2016.02.006

Abstract: This study outlines the foundations of a theoretical system of harmonious maritime power that will bethe overall development of the oceanic economy, marine science and technology, marine environment and maritimeFinally, this paper introduces the idea of transforming China into a new maritime power that is "strong, but not tyrannical", which require a new approach to maritime power development with Chinese

Keywords： Chinese characteristics maritime power strengthening the country and enriching the people

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Dynamic Target Tracking of Unmanned Aerial Vehicles Under Unpredictable Disturbances

Yanjie Chen,Yangning Wu,Limin Lan,Hang Zhong,Zhiqiang Miao,Hui Zhang,Yaonan Wang,

Engineering doi: 10.1016/j.eng.2023.05.017

Abstract: This study proposes an image-based visual servoing (IBVS) method based on a velocity observer for an unmanned

Keywords： Unmanned aerial vehicle Visual servoing Velocity observer Target tracking

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Integrated Network Design and Demand Forecast for On-Demand Urban Air Mobility Article

Zhiqiang Wu, Yu Zhang

Engineering 2021, Volume 7, Issue 4, Pages 473-487 doi: 10.1016/j.eng.2020.11.007

Abstract:

Urban air mobility (UAM) is an emerging concept proposed in recent years that uses electric vertical take-off and landing vehicles (eVTOLs). UAM is expected to offer an alternative way of transporting passengers and goods in urban areas with significantly improved mobility by making use of low-altitude airspace. In addition to other essential elements, ground infrastructure of vertiports is needed to transition UAM from concept to operation. This study examines the network design of UAM on-demand service, with a particular focus on the use of integer programming and a solution algorithm to determine the optimal locations of vertiports, user allocation to vertiports, and vertiport access- and egress-mode choices while considering the interactions between vertiport locations and potential UAM travel demand. A case study based on simulated disaggregate travel demand data of the Tampa Bay area in Florida, USA was conducted to demonstrate the effectiveness of the proposed model. Candidate vertiport locations were obtained by analyzing a three-dimensional (3D) geographic information system (GIS) map developed from lidar data of Florida and physical and regulation constraints of eVTOL operations at vertiports. Optimal locations of vertiports were determined to achieve the minimal total generalized cost; however, the modeling structure allows each user to select a better mode between ground transportation and UAM in terms of generalized cost. The outcomes of the case study reveal that although the percentage of trips that switched from ground mode to multimodal UAM was small, users choosing the UAM service benefited from significant time saving. In addition, the impact of different parameter settings on the demand for UAM service was explored from the supply side, and different pricing strategies were tested that might influence potential demand and revenue generation for UAM operators. The combined effects of the number of vertiports and pricing strategies were also analyzed. The findings from this study offer in-depth planning and managerial insights for municipal decision-makers and UAM operators. The conclusion of this paper discusses caveats to the study, ongoing efforts by the authors, and future directions in UAM research.

Keywords： Advanced air mobility Skyport Travel mode choice Low-altitude airspace Unmanned systems

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Strengthening the Rise of the 21st-Century Maritime Silk Road Strategic Pivot

Zhang Dayong

Strategic Study of CAE 2016, Volume 18, Issue 2, Pages 105-110 doi: 10.15302/J-SSCAE-2016.02.013

Abstract:

The strategic pivot of the 21st-Century Maritime Silk Road refers to China's policy of bolsteringThis paper also advances some policy recommendations for the 21st-Century Maritime Silk Road such as

Keywords： 21st-Century Maritime Silk Road strategy pivot economy and trade cooperation science and technology

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The Development and Research Synopsis of Large UAV in China

Zhao Xu

Strategic Study of CAE 2003, Volume 5, Issue 1, Pages 38-41

Abstract: first developed simulated target drone, all kinds of substantial pilotless drone and the developing unmannedThe developing journey of all kinds of unmanned air vehicle is formulised.

Keywords： target drone unmanned air vehicle (UAV) unmanned combat air vehicle (UCAV) development application

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A review of cooperative path planning of an unmanned aerial vehicle group

Hao Zhang, Bin Xin, Li-hua Dou, Jie Chen, Kaoru Hirota,brucebin@bit.edu.cn

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 12, Pages 1671-1814 doi: 10.1631/FITEE.2000228

Abstract: As a cutting-edge branch of unmanned aerial vehicle (UAV) technology, the of a group of UAVs has attracted

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Development of Unmanned Equipment in Marine Rights Protection

Meng Xiangyao, Ma Yan, Cao Yuan, Cui Donghua

Strategic Study of CAE 2020, Volume 22, Issue 6, Pages 49-55 doi: 10.15302/J-SSCAE-2020.06.007

Abstract: Considering the varying marine security situations and the rapid development of intelligent technology, unmannedMoreover, we propose the development goals, important tasks, and key techniques for developing unmannedpromote marine power, China should perfect its equipment system for marine rights protection using the unmannedequipment, and make breakthroughs in key technologies by combing unmanned technologies for military

Keywords： marine rights and interests marine rights protection unmanned equipment system key technology

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Affine formation tracking control of unmanned aerial vehicles Research Articles

Huiming LI, Hao CHEN, Xiangke WANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6, Pages 909-919 doi: 10.1631/FITEE.2100109

Abstract:

The tracking problem for (UAVs) is considered in this paper, where fixed-wing UAVs are modeled as unicycle-type agents with asymmetrical speed constraints. A group of UAVs are required to generate and track a time-varying target formation obtained by affinely transforming a nominal formation. To handle this problem, a distributed control law based on stress matrix is proposed under the leader-follower control scheme. It is proved, theoretically, that followers can converge to the desired positions and achieve affine transformations while tracking diverse trajectories. Furthermore, a saturated control strategy is proposed to meet the speed constraints of fixed-wing UAVs, and numerical simulations are executed to verify the effectiveness of our proposed tracking control strategy in improving maneuverability.

Keywords： Affine formation Fixed-wing unmanned aerial vehicles Multi-agent system

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of Cooperation and Mechanisms for International Cooperation in the Blue Economy of the 21st-Century Maritime

Chen Mingbao and Han Limin

Strategic Study of CAE 2016, Volume 18, Issue 2, Pages 98-104 doi: 10.15302/J-SSCAE-2016.02.012

Abstract: The economic sector emphasizes the sustainable development of the maritime economy as well as a cooperativeThe 21st-Century Maritime Silk Road and Economic Belt is an important platform for cooperation on the

Keywords： 21st-Century Maritime Silk Road blue economy driving factors cooperative fields cooperative mechanism