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From Remotely Operated Vehicles to Autonomous Undersea Vehicles

Feng Xisheng

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 29-33

Abstract:

A clear definition and a very fine classification of the unmanned undersea vehicles are given in thisundersea vehicles.SIA started to be engaged in the research and development of the remotely operated tethered vehiclespaper gives a wide introduction of the critical characteristics and technical descriptions of the first remotelyoperated tethered vehicle “HR- 01” in China, the first autonomous underwater vehicle &ldquo

Keywords： undersea vehicles     ROV     AUV     ocean engineer     ocean resources exploration    

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Efficient Identification of water conveyance tunnels siltation based on ensemble deep learning

Xinbin WU; Junjie LI; Linlin WANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 5,   Pages 564-575 doi: 10.1007/s11709-022-0829-x

Abstract: The remotely operated vehicle (ROV) can detect such siltation.

Keywords： water conveyance tunnels     siltation images     remotely operated vehicles     deep learning     ensemble learning    

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Development and deep-sea exploration of the Haidou-1

Frontiers of Engineering Management   Pages 546-549 doi: 10.1007/s42524-023-0260-6

Abstract: Development and deep-sea exploration of the Haidou-1

Keywords： hadal zone     autonomous and remotely-operated vehicle     integrated exploration operation     deep dive exceeding    

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Detecting large-scale underwater cracks based on remote operated vehicle and graph convolutional neural

Wenxuan CAO; Junjie LI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 11,   Pages 1378-1396 doi: 10.1007/s11709-022-0855-8

Abstract: It is of great significance to quickly detect underwater cracks as they can seriously threaten the safety of underwater structures. Research to date has mainly focused on the detection of above-water-level cracks and hasn’t considered the large scale cracks. In this paper, a large-scale underwater crack examination method is proposed based on image stitching and segmentation. In addition, a purpose of this paper is to design a new convolution method to segment underwater images. An improved As-Projective-As-Possible (APAP) algorithm was designed to extract and stitch keyframes from videos. The graph convolutional neural network (GCN) was used to segment the stitched image. The GCN’s m-IOU is 24.02% higher than Fully convolutional networks (FCN), proving that GCN has great potential of application in image segmentation and underwater image processing. The result shows that the improved APAP algorithm and GCN can adapt to complex underwater environments and perform well in different study areas.

Keywords： underwater cracks     remote operated vehicle     image stitching     image segmentation     graph convolutional    

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Structural synthesis of ancient Chinese foot-operated silk-reeling mechanism

Kuohung HSIAO, Yuhsun CHEN, Hongsen YAN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 279-288 doi: 10.1007/s11465-010-0101-2

Abstract: This work synthesizes the structures of the foot-operated silk-reeling mechanism, which was vaguely depicted

Keywords： silk-reeling mechanism     structure of mechanism     reconstruction design     history of machinery    

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Combustion analysis of a hydrogen-diesel fuel operated DI diesel engine with exhaust gas recirculation

M. LOGANATHAN, A. VELMURUGAN, TOM PAGE, E. JAMES GUNASEKARAN, P. TAMILARASAN

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 568-574 doi: 10.1007/s11708-017-0461-y

Abstract: The rapid depletion of fossil fuel and growing demand necessitates researchers to find alternative fuels which are clean and sustainable. The need for finding renewable, low cost and environmentally friendly fuel resources can never be understated. An efficient method of generation and storage of hydrogen will enable automotive manufacturers to introduce hydrogen fuelled engine in the market. In this paper, a conventional DI diesel engine was modified to operate as gas engine. The intake manifold of the engine was supplied with hydrogen along with recirculated exhaust gas and air. The injection rates of hydrogen were maintained at three levels with 2 L/min, 4 L/min, 6 L/min and 8 L/min and 10 L/min with an injection pressure of 2 bar. Many of the combustion parameters like heat release rate (HRR), ignition delay, combustion duration, rate of pressure rise (ROPR), cumulative heat release rate (CHR), and cyclic pressure fluctuations were measured. The HRR peak pressure decreased with the increase in EGR rate, while combustion duration increased with the EGR rate. The cyclic pressure variation also increased with the increase in EGR rate.

Keywords： hydrogen     exhaust gas recirculation (EGR)     diesel     combustion     heat release rate (HRR)     combustion duration    

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Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets

Atma Ram GUPTA,Ashwani KUMAR

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 86-98 doi: 10.1007/s11708-017-0456-8

Abstract: The aim of this paper is to analyze unbalanced radial distribution systems (UBRDS) with the distribution static compensator (D-STATCOM). The main objectives of this paper are D-STATCOM allocation in UBRDS with an objective of providing reactive power support to enhance voltage profile and reduce line losses of the distribution network, determination of optimal D-STATCOM rating subjected to minimization of total cost, and impact of D-STATCOM placement on improving power factor and savings in cost of energy loss. The analysis is conducted on a large industrial load model with light, medium and high loading scenarios. Further, the impact of load growth is also considered for better planning of the power distribution system. The results are obtained on standard 25-bus UBRDS to check the feasibility of the proposed methodology.

Keywords： unbalanced distribution system     D-STATCOM     voltage sensitivity index     load models     load growth     distribution network operator (DNO)    

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Process stability and microbial community composition in pig manure and food waste anaerobic co-digesters operated

Conor Dennehy, Peadar G. Lawlor, Gillian E. Gardiner, Yan Jiang, Paul Cormican, Matthew S. McCabe, Xinmin Zhan

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0923-9

Abstract: Continuously stirred tank reactors of 3.75 L working volume were operated in triplicate at 42°C.

Keywords： Biogas     Sequencing     Clocamonaceae     Spiorchatetes     Isobutyrate     Biosafety    

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Research on the theory and application of adsorbed natural gas used in new energy vehicles: A review

Zhengwei NIE,Yuyi LIN,Xiaoyi JIN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 258-274 doi: 10.1007/s11465-016-0381-2

Abstract: ANG constitutes a safe and low-cost way to store methane for natural gas vehicles at an acceptable energyliterature on adsorbents, adsorption theories, ANG conformable tanks, and related technologies on ANG vehiclesThe review aims at illustrating both achievements and problems of the ANG technologies-based vehicles

Keywords： adsorbed natural gas (ANG)     adsorbent     adsorption theory     conformable tank     natural gas vehicles (NGVs)    

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Extended model predictive control scheme for smooth path following of autonomous vehicles

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 4-4 doi: 10.1007/s11465-021-0660-4

Abstract: extended model predictive control (MPC) scheme for implementing optimal path following of autonomous vehiclescan improve the path following quality for better ride comfort and road availability of autonomous vehicles

Keywords： autonomous vehicles     vehicle dynamic modeling     model predictive control     path following     optimization    

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Implementation of a flexible Major Vacation Toll-free Program for small passenger vehicles in China

Meng XU, Ziyou GAO

Frontiers of Engineering Management 2017, Volume 4, Issue 4,   Pages 498-499 doi: 10.15302/J-FEM-2017111

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Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane

Nathan P. BELZ

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 1,   Pages 8-16 doi: 10.1007/s11709-016-0365-7

Abstract: This research addresses the nature of gap distributions and use of turn indicators by exiting vehiclesRejected headways are analyzed in the context of priority abstaining events when entering drivers yield to vehiclesResults indicate that exiting vehicles, particularly those that do not use their turn indicators when

Keywords： roundabouts     exiting vehicles     turn indicator use     headways    

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Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Frontiers in Energy doi: 10.1007/s11708-023-0909-1

Abstract: It also conducted a comparative study for battery electric vehicles (BEVs) and internal combustion enginevehicles (ICEVs).

Keywords： hydrogen energy     life-cycle assessment (LCA)     fuel cell vehicle     carbon emission     energy cost    

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The industrialization problems of electric vehicles in China

Guo Konghui

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 4-7

Abstract:

The characteristics and development situation of electric vehicles areLarge specific weight and high specific price electric are characteristics of electric vehicles, andcost, life and weight are the key points to the development of electric vehicles.It is proposed that developing small and efficient electric vehicles is the strategic choice of ChinaFinally, the line of electric vehicles development is given: market guiding, supporting small and helping

Keywords： electric vehicles     industrialization     strategic choice     development line    

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Real-world fuel consumption of light-duty passenger vehicles using on-board diagnostic (OBD) systems

Xuan Zheng, Sheng Lu, Liuhanzi Yang, Min Yan, Guangyi Xu, Xiaomeng Wu, Lixin Fu, Ye Wu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1212-6

Abstract: increasing discrepancy between real-world and type-approval fuel consumption for light-duty passenger vehiclesThe results showed that the normalized NEDC real-world fuel consumption of the tested vehicles was 13%

Keywords： Fuel consumption     Light-duty passenger vehicles     On-board diagnostic systems    

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Title Author Date Type Operation

From Remotely Operated Vehicles to Autonomous Undersea Vehicles

Feng Xisheng

Journal Article

Efficient Identification of water conveyance tunnels siltation based on ensemble deep learning

Xinbin WU; Junjie LI; Linlin WANG

Journal Article

Development and deep-sea exploration of the Haidou-1

Journal Article

Detecting large-scale underwater cracks based on remote operated vehicle and graph convolutional neural

Wenxuan CAO; Junjie LI

Journal Article

Structural synthesis of ancient Chinese foot-operated silk-reeling mechanism

Kuohung HSIAO, Yuhsun CHEN, Hongsen YAN,

Journal Article

Combustion analysis of a hydrogen-diesel fuel operated DI diesel engine with exhaust gas recirculation

M. LOGANATHAN, A. VELMURUGAN, TOM PAGE, E. JAMES GUNASEKARAN, P. TAMILARASAN

Journal Article

Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets

Atma Ram GUPTA,Ashwani KUMAR

Journal Article

Process stability and microbial community composition in pig manure and food waste anaerobic co-digesters operated

Conor Dennehy, Peadar G. Lawlor, Gillian E. Gardiner, Yan Jiang, Paul Cormican, Matthew S. McCabe, Xinmin Zhan

Journal Article

Research on the theory and application of adsorbed natural gas used in new energy vehicles: A review

Zhengwei NIE,Yuyi LIN,Xiaoyi JIN

Journal Article

Extended model predictive control scheme for smooth path following of autonomous vehicles

Journal Article

Implementation of a flexible Major Vacation Toll-free Program for small passenger vehicles in China

Meng XU, Ziyou GAO

Journal Article

Investigating the role of exiting vehicles and turn indicator usage in gap acceptance at single-lane

Nathan P. BELZ

Journal Article

Analysis on carbon emission reduction intensity of fuel cell vehicles from a life-cycle perspective

Journal Article

The industrialization problems of electric vehicles in China

Guo Konghui

Journal Article

Real-world fuel consumption of light-duty passenger vehicles using on-board diagnostic (OBD) systems

Xuan Zheng, Sheng Lu, Liuhanzi Yang, Min Yan, Guangyi Xu, Xiaomeng Wu, Lixin Fu, Ye Wu

Journal Article