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8th International Conference on Life System Modeling and Simulation, LSMS 2024 and 8th International Conference on Intelligent Computing for Sustainable Energy and Environment, ICSEE 2024

作者： Jiang, Yuchen Lin, Yufeng Liang, ZhenLong Zhang, Yilian Key Laboratory of Transport Industry of Marine Technology and Control Engineering Shanghai Maritime University Shanghai201306 China College of Information and Communications Technology School of Engineering and Technology Central Queensland University Rockhampton4701 Australia

ISBN: (纸本)9789819602933

This paper investigates the problem of state monitoring of Intelligent Guided Vehicles (IGVs) operating in the complex port environment. Considering the perturbation suffered by the IGV, a two-step interval estimation method by integrating robust observer design with reachability analysis is proposed. First, we physically model the port IGV and its operating states subject to disturbances and noises, respectively. Then, a robust observer for the state monitoring of the considered IGV is designed and the existing conditions of the observer parameters are derived. In addition, based on the conditions for the existence of the proposed observer, the reachable set is obtained by the zonotope technique. Finally, the effectiveness of the proposed two-step interval estimation algorithm for the considered port IGV is verified by numerical simulations. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： Automatic guided vehicles

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Research on Propeller Dynamic Load Simulation System of Electric Propulsion Ship

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China Ocean engineering 2013年第2期27卷 255-263页

作者：黄辉沈爱弟褚建新 Key Laboratory of Marine Technology & Control Engineering Ministry of CommunicationsShanghai Maritime University

A dynamic marine propeller simulation system was developed, which is utilized for meeting the experimental requirement of theory research and engineering design of marine electric propulsion system. By applying an actual ship parameter and its accurate propeller J＇ -KT＇ and J＇ - Kp＇ curve data, functional experiments based on the simulation system were carried out. The experiment results showed that the system can correctly emulate the propeller characteristics, produce the dynamic and steady performances of the propeller under different navigation modes, and present actual load torque for electric propulsion motor.

关键词： electric propulsion ship-propeller model dynamic load emulation torque closed-loop control

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Analysis and experimental results of frequency splitting of underwater wireless power transfer

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Journal of engineering 2017年第7期2017卷 385-390页

作者： Niu, Wangqiang Gu, Wei Chu, Jianxin Key Laboratory of Marine Technology and Control Engineering Ministry of Communications PRC Shanghai Maritime University Shanghai201306 China

Underwater wireless power transfer (UWPT) is an important technique to power underwater devices while its frequency splitting phenomena are not fully elucidated. In this study, frequency splitting phenomena of a symmetrical planar two-coil wireless power transfer (WPT) system resonated at 90 kHz are investigated in seawater and freshwater. A concise frequency splitting analysis of this WPT system in air based on circuit model is given first and then experimental data are reported to show there is little difference between power transfer in air, freshwater and seawater in the range of 40-140 kHz of this WPT system. Consequently, the frequency splitting analysis and observations in air are also applicable in freshwater and seawater. It is found a V-type frequency splitting pattern exists in this WPT system under seawater and freshwater. Frequency shift is observed in this UWPT system in overcoupled region, and no frequency shift is observed in undercoupled region. In undercoupled region, in the low frequency zone of 40-90 kHz the load voltage characteristics in three media are identical;in the high-frequency zone of 90-140 kHz, the load voltage in air is slightly larger than those in freshwater and seawater.

关键词： Seawater

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Transcriptomic defense mechanism of Japanese Eel (Anguilla japonica) against Edwardsiella anguillarum infection after bath immunization with Bacillus subtilis spores displaying OmpA of E. anguillarum

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Aquaculture Reports 2025年 42卷

作者： Chen, Minxia Chen, Zihao Sun, Guanghua Yang, Qiuhua Guo, Songlin Fisheries College/Engineering Research Center of the Modern Industry Technology for Eel. Ministry of Education of PRC Jimei University Xiamen 361021 China Fisheries Research Institute of Fujian Province Key Laboratory of Cultivation and High-value Utilization of Marine Organisms in Fujian Xiamen 361013 China State Key Laboratory of Mariculture Breeding Fisheries College of Jimei University Xiamen 361021 China

this study investigated the effecacy and transcriptomic mechanisms of bath immunization using Bacillus subtilis spore-displayed outer membrane protein A (OmpA) against the infection of Edwardsiella anguillarum, a pathogen causing hemorrhagic septicemia in Japanese eels (Anguilla japonica). Eels were immunized with B. subtilis spores displaying OmpA (WA group) or inactivated whole-cell E. anguillarum (EA group), alongside two control groups receiving wild-type B. subtilis spores (WC group) or PBS (Con group). Following 28-day (d) immunization, all groups were challenged with E. anguillarum, and mortality was monitored for 14 d. Histopathology and gene expression were assessed 48 hours (h) post-infection. The WA and EA groups showed significantly lower mortality rates (64.3 % and 57.1 % relative survival, respectively) compared to the Con group. Histopathological examination revealed attenuated hepatic and renal in immunized groups, relative to pathology observed in control groups. Transcriptomic profiling identified 1973 differentially expressed genes (DEGs) in WA-bath infected group (WA_inf) and 866 in EA-bath infected group (EA_inf) relative to PBS-bath (Con_inf) and WC-bath (WC_inf) infected groups. Gene Ontology (GO) and KEGG annotation of DEGs highlighted 5 GO terms associated with "catalytic activity", "binding", "cell part", "membrane part", "biological regulation", and "cellular process", and 4 KEGG pathways related to "Cancer", "Infectious disease", "Immune system", and "Signal transduction". Enrichment analysis emphasized 3 GO terms—transporter activity, heme binding, and oxidoreductase activity—and 10 immune-related KEGG pathways, especially those involving phagosomes, in the WA_inf vs WC_inf comparison. Chord diagram and protein-protein interaction network analyses identified 17 immune-related DEGs and four hub proteins critical for anti-E. anguillarum immunity. These results underscore the potential of bath immunization to boost eel survival against E. a

关键词： Bacillus subtilis spore displayed OmpA Bath immunization Edwardsiella anguillarum Histopathology RNA-seq

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Experimental investigation of frequency characteristics of underwater wireless power transfer

Experimental investigation of frequency characteristics of u...

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2018 IEEE MTT-S International Wireless Symposium, IWS 2018

作者： Niu, Wangqiang Gu, Wei Chu, Jianxin Key Laboratory of Marine Technology and Control Engineering Ministry of Communications PRC Shanghai Maritime University Shanghai201306 China

ISBN: (纸本)9781538663462

Frequency characteristics of underwater wireless power transfer systems centered at 470 kHz are investigated experimentally. Experimental results show the V-type frequency splitting pattern disappears in seawater and freshwater. When the coil distance is bigger than the 22.5 cm coil diameter (the midrange conception), the eddy current behaves like a relay coil, the load voltage is stable at 6 V in seawater and at 5 V in fresh-water and insensitive to the coil distance while it is decayed exponentially to 0.2 V in air. © 2018 IEEE.

关键词： Energy transfer

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control Strategy of Hybrid Electric Ship Based on Improved Fuzzy Logic Threshold 29

Control Strategy of Hybrid Electric Ship Based on Improved F...

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第29届中国控制与决策会议

作者： Gao Diju Pan Kangkai Chu Jianxin Shen Aidi Sun Yanyan Key Laboratory of Marine Technology and Control Engineering Ministry of Communications Shanghai Maritime University

ISBN: (纸本)9781509046584

Diesel generators and power battery hybrid all electric ship is the research object in this *** key components of the hybrid power system models are established and the energy management strategy is *** diesel generators power output is chosen as control variables and a logic threshold control strategy is suggested taking the diesel fuel economy and efficiency as the control *** algorithm is used to further improve the logic threshold energy control *** two algorithms are validated by the hybrid ship physical simulation *** experimental results show that the improved fuzzy energy control strategy can be adapted to various ship maneuver scenarios and has good fuel economy,compared with the traditional logic threshold energy control strategy.

关键词： Hybrid electric ship control strategy Fuzzy logic Threshold

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Study of on-line detection of voltage transient disturbance based on DSP and wavelet

Study of on-line detection of voltage transient disturbance ...

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2014 International Conference on Mechatronics and Mechanical engineering, ICMME 2014

作者： Huang, Xi-Xia Wang, Fei Hou, Cheng Zhang, Bing Key Laboratory of Marine Technology and Control Engineering Ministry of Communications PRC Scientific Research Academy Shanghai Maritime University Shanghai China

ISBN: (纸本)9783038352921

In this paper, a set of voltage disturbance detection device based on DSP2812 was designed and a method of transient voltage disturbance detection based on DSP and Wavelet Transform was studied. The device collects electrical signal through a Hall sensor and the parallel A/D converter and regards TMS320F2812, a kind of high-performance digital signal processor (DSP), as a core data processing unit. Discrete Wavelet Transform (DWT) algorithm on DSP board was carried out to detect transient voltage disturbance. Software modules including the main program module, A/D module, interrupt module, communication module and so on was designed. The DWT algorithm on DSP board which could detect transient voltage disturbance on line was carried out based on the strong operation ability of DSP and the high effectiveness of DWT algorithm. This device can simultaneously realize power acquisition and voltage disturbance analysis in real-time. Contrast tests show that the device is of high-precision, of high-data-processing-speed and has a capability of voltage disturbance detecting in real-time. © (2014) Trans Tech Publications, Switzerland.

关键词： MATLAB

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Application of OPC technology in supervisory system of marine electrical propulsion

Application of OPC technology in supervisory system of marin...

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Pacific-Asia Conference on Circuits, communications and System

作者： Zhu, Jin Zhang, Xiumei Kang, Wei Key Lab of Marine Technology and Control Engineering Ministry of Communications PRC Shanghai Maritime University Shanghai 201306 China

ISBN: (纸本)9781457708565

In this paper, an intensive research was made into the OPC technology and the OPC Data access specification, then the application of OPC communications in the supervisory system of marine electrical propulsion was proposed to achieve data exchange between the field control station and operator station. The OPC Server was used to collect the state and key parameters of the control system, and the OPC client communication program was realized in the Delphi7.0 IDE, thus completing the supervisory and management of entire marine electrical propulsion system. Experimental results showed that the client has improved considerably in timeliness and satisfied the requirements of ship electric propulsion supervisory system which was more flexible and extensible. © 2011 IEEE.

关键词： Electronic data interchange

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Zoning search using a hyper-heuristic algorithm

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Science China(Information Sciences) 2019年第9期62卷 193-195页

作者： Qinqin FAN Ning LI Yilian ZHANG Xuefeng YAN Key Laboratory of System Control and Information Processing Ministry of Education of ChinaShanghai Jiao Tong University Logistics Research Center Shanghai Maritime University Key Laboratory of Marine Technology and Control Engineering Ministry of CommunicationsShanghai Maritime University Key Laboratory of Advanced Control and Optimization for Chemical Processes of Ministry of Education East China University of Science and Technology

Dear editor,With the development of high-performance computing techniques, run time of meta-heuristic algorithms can be reduced effectively. However, improved computation power has not been indirectly converted into search capability in most of previous studies [1]. Moreover, the solution precision of an optimization problem is directly determined

关键词： pro CEC Zoning search using a hyper-heuristic algorithm

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Fault Detection for Automated Straddle Carriers Based on Set-membership Filtering Approach

Fault Detection for Automated Straddle Carriers Based on Set...

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2022 International Symposium on Sensing and Instrumentation in 5G and IoT Era, ISSI 2022

作者： Lin, Shuang Zhang, Yilian Ding, Zonghe Chen, Yang Shanghai Maritime University Key Laboratory of Marine Technology and Control Engineering Ministry of Communications Shanghai China

ISBN: (数字)9781665498289

ISBN: (纸本)9781665498289

This paper is concerned with fault detection problem for an automated straddle carrier(ASC). Considering the harsh port environment and unknown-but-bounded(UBB) noise interference, a recursive fault detection algorithm based on set-membership filtering approach is proposed. The algorithm consists of a prediction ellipsoid set and an estimation ellipsoid set. This method determines the fault signal by detecting the existence of intersection between the above sets. Simulation results are provided to demonstrate the effectiveness of the proposed method. © 2022 IEEE.

关键词： Fault detection

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