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International Conference on Transportation Information and Safety (ICTIS)

作者： Yue Yu Shijie Li Jialun Liu Xinjue Hu Hongxu Guan School of Transportation and Logistics Engineering Wuhan University of Technology Wuhan China Laboratory of Science and Technology on Marine Navigation and Control China State Shipbuilding Corporation Tianjin China National Engineering Research Center for Water Transport Safety Wuhan China State Key Laboratory of Maritime Technology and Safety Wuhan University of Technology Wuhan China Intelligent Transportation Systems Research Center Wuhan University of Technology Wuhan China School of Navigation Wuhan University of Technology Wuhan China

In recent years, there has been a significant growth in intelligent ship technology. As the automation, intelligence, and autonomous development of ships continue to advance, it becomes crucial to conduct extensive testing and verification to ensure the rationality, reliability, and integrity of their functions and performance. Developing a mature and efficient intelligent testing and evaluation system becomes a prerequisite for further advancement in intelligent ship technology. This paper proposes a method for designing an experimental framework for intelligent navigation testing of ships, utilizing the Turing test. The first step involves building the necessary hardware and software experimental platform based on the requirements of driving behavior. Additionally, standardized experimental steps are designed to align with the characteristics of the platform. Subsequently, an experimental data evaluation method is proposed, based on probabilistic statistics and considering different navigation scenarios and characteristics of navigation data. This method relies on the principles of the normal distribution law. Finally, a human-machine confrontation experimental framework is constructed, based on the Turing test principle. The effectiveness of this framework is verified by integrating the experimental platform and experimental parameters. The proposed experimental framework serves as a reference and provides theoretical support for intelligent ship navigation testing, with the aim of promoting the overall development of intelligent ships.

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Stereo Vision based Relative Pose and Motion Estimation for Unmanned Helicopter Landing

Stereo Vision based Relative Pose and Motion Estimation for ...

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International Conference on Information and Automation (ICIA)

作者： Cui Xu Liankui Qiu Ming Liu Bin Kong Yunjian Ge Department of Automation University of Science and Technology Hefei Anhui China Center for Biomimetic Sensing and Control Research Institute of Intelligent Machines Chinese Academy and Sciences Hefei Anhui China Department of Electrical and Computer Systems Engineering Monash University Melbourne VIC Australia

In this paper, we present a real-time stereo vision based pose and motion estimation system that will be used for landing an unmanned helicopter on a moving target such as a ship deck. The vision algorithm mainly consists of a feature extraction task and a pose and motion estimation task. The 2D planer target with regular features defined can significantly simplify the feature extraction task such as corner detection and feature points matching. To effectively estimate the distance between the camera carrier and target a stereo camera system is applied. By means of sub-pixel corner location the precisions of pose estimation and relative motion detection can be improved. We present results from semi-physical simulation which show that our vision algorithm is accurate and robust. The methodology provides an effective subsystem for the development of autonomous robot helicopter that will land on a given target under the guide of vision.

关键词： Stereo vision Motion estimation Helicopters Feature extraction Cameras Robot vision systems Real time systems Marine vehicles Metalworking machines Computer vision

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A Machine Learning-Based Bayesian Model for the Development of Highly-Effect Port State control Inspection Policy

SSRN

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SSRN 2022年

作者： Yang, Zhisen Yu, Qing Yang, Zaili Wan, Chengpeng College of Urban Transportation and Logistics Shenzhen Technology University Shenzhen China Intelligent Transportation Systems Research Center Wuhan University of Technology Wuhan China National Engineering Research Centre for Water Transport Safety Wuhan China School of Navigation Jimei University Xiamen China Research Institute Liverpool John Moores University Liverpool United Kingdom

PSC inspections are of great importance for port authorities to improve vessel quality and ensure maritime safety around the world. However, the increasing rate and duration of ship detention indicates that serious deficiencies of visiting vessels still largely exist and the relevant scientific solutions are highly demanded. This research aims to improve the inspection efficiency and reduce the duration of detention through developing a data-driven machine learning (ML) based BN model. New risk variables influencing the duration of ship detention, especially deficiency types, are identified based on the established database containing detention records within the jurisdiction of Paris MoU from January 2015 to March 2022. Thorough analysis via the developed model enables to identify the deficiency types with significant effects on the duration of detention, reveal the mutual dependencies among these deficiency types, as well as clarify the major and abnormal deficiency types in different port states. Managerial suggestions and insights for port authorities, i.e., high priority is given on deficiency types with a huge effect on duration of detention, different countries should conduct specific actions on major and abnormal deficiency types identified within their jurisdiction, are given based on the analysis results obtained from the proposed model to stimulate the rational formation of corresponding inspection regulations. This research will provide good reference for effectively reducing the duration of ship detention, improving vessel quality, and ensuring maritime safety. © 2022, The Authors. All rights reserved.

关键词： Bayesian networks

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Dynamic Security Evaluation Method for Power systems Considering Cascading Failures 7

Dynamic Security Evaluation Method for Power Systems Conside...

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7th IEEE Conference on Energy Internet and Energy System Integration, EI2 2023

作者： Liu, Ren Xu, Xingye Du, Wei Xiahou, Kaishun Zhu, Yihua Chang, Dongxu Guo, Hengdao Electric Power Research Institute of China Southern Power Grid Csg Key Laboratory For Power System Simulation Guangzhou China School of Electric Power Engineering South China University of Technology Guangzhou China Electric Power Research Institute of China Southern Power Grid State Key Laboratory of Hvdc Guangzhou China China Southern Power Grid National Energy Power Grid Technology R&d Centre Guangzhou China Intelligent Operation and Control For New Energy Power System Guangdong Provincial Key Laboratory of China Southern Power Grid Guangzhou China

ISBN: (纸本)9798350345094

With the increasing level of informatization and interconnection in the electric power system, the risk of external attacks on power systems is increasing. In response to the drawbacks of traditional static security assessment methods, this paper establishes two security metrics, which are voltage and power flow amplitude deviation security metric and power flow entropy security metric. Based on these security metrics, a dynamic security evaluation model that considers cascading failure is proposed. Simulation results demonstrate that the proposed security metrics can effectively reflect the security of cascading failure propagation, thereby providing valuable insights for decision-making by power system operators. © 2023 IEEE.

关键词： Informatization

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An overview of robust maritime situation awareness methods

An overview of robust maritime situation awareness methods

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International Conference on Transportation Information and Safety (ICTIS)

作者： Xueqian Xu Xinqiang Chen Bing Wu Tsz Leung Yip Intelligent Transport Systems Research Centre (ITSC) Wuhan University of Technology Wuhan china Institute of Logistics Science and Engineering Shanghai Maritime University shanghai china Department of Logistics and Maritime Studies Hong Kong Polytechnic University Hung Hom Kowloon Hong Kong

ISBN: (纸本)9781665497145

Maritime situation awareness is the core of ship navigation and determines the development direction of smart ships. Visual perception becomes an active yet important research task in maritime traffic. To aim that, this paper introduces three situation awareness methods based on visual images. The first method uses kernelized correlation filtering algorithms and Kalman filter models to solve ship occlusion in the image and achieve accurate ship tracking tasks; The second method uses kernelized correlation filtering and logarithmic polar coordinate transformation to solve the imaging size changes during ship navigation; The third method uses yolo algorithms to obtain the high-quality distance information from port videos. The experimental results and quantitative indicators show that each method can effectively achieve reliable maritime situational awareness tasks. The comprehensive realization of maritime situation awareness can better reduce risks and ensure the safety of ships.

关键词： Visualization Correlation Navigation Interference Cameras Safety Reliability

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Recapitalizing the Navy through optimized manning and improved reliability

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NAVAL ENGINEERS JOURNAL 1998年第6期110卷 61-72页

作者： Anderson, DE Malone, TB Baker, CC Mr. David E. Anderson:is a Navel Engineer with the Naval Sea Systems Command where he is currently assigmd to the HumanSystems Integration branch. Mr Anderson has a Bachelor of Science degree an Environmental Engineering from Flurida Technological University and a Master's in Environmental Engiwering from the University of Central Flurida. He currentEy is an HSI manager for a number oflvay R&D and skig acquisition efforts. Dr. Thomas B. Malone:received a Ph.D. in Experimental Psychology from Fordham University in 1964. He is President of Carlow International Incorporated an organization dedicated to human factors research and development with emphasis an mantime systems. He has directed over 350 programs and projects in his 33 year career and is responsible for overall management of all contract programs within the Corporation. He is a Past President of the Human Factors and E r g m i c s Society (HFES) of which he is a Fellow. He is also a Fellow of the Washington Academy of Sciences He was selected as a member of the N A S Space Sciences Technical Advisuiy Committee on Technoloo Requirements for Human Performance on Long Duration Space Missions in 2989 and 90. He was elected as the First Chair of the Systems Development Technical Group of the HFES. Dr Malone is currently managing eflorts to devehp and auto- mate standardized processes for canducting human systems integration (HSI) in the military weapon systems acquisition process and fov developing automated tools to facilitate fledormance of specific steps in the HSI process. Dr Malone also is currently occupied in applying human engineering to the DD 21 and is serving as the Chair ofthe System ManninglHuman Perfomzance Working IPT under the DD 21 ManninglHSI IPT chaired ty PMS 500M. Mr. Clifford Baker:has over 20 years experience in developing and applying human factors technology to complex systems. He holds a masters degree in psychology with a specialization in human factors engineering and he is a Board Certified Human Factors Engineering Profesional

Reduced manning is the process (and the result) of removing human functions from a system while retaining or improving system operability and effectiveness. Reliability and maintainability characterize a system's operability and effectiveness. Reduced manning impacts system reliability by changing the characteristics of (1) human error associated with system operation and maintenance, (2) time to repair failed components, and (3) mean-time-between-failures (MBTF) in a reduced manning environment. Simply reducing manning without compensating for system dependence on human involvement generally has a negative impact on system maintainability. Methods to address this include (1) human-system integration design of maintenance interfaces and (2) design of operations activities that are closely related to device failures. After demonstrating reliable performance through testing and operation, ship commanders can be assured that fewer people can effectively operate and maintain Navy ships and systems.

关键词： Naval vessels

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Recycling qubits for the generation of Bell nonlocality between independent sequential observers

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Physical Review A 2022年第2期105卷 022411-022411页

作者： Shuming Cheng Lijun Liu Travis J. Baker Michael J. W. Hall The Department of Control Science and Engineering Tongji University Shanghai 201804 China Shanghai Institute of Intelligent Science and Technology Tongji University Shanghai 201804 China Institute for Advanced Study Tongji University Shanghai 200092 China College of Mathematics and Computer Science Shanxi Normal University Linfen 041000 China Centre for Quantum Computation and Communication Technology (Australian Research Council) Centre for Quantum Dynamics Griffith University Brisbane QLD 4111 Australia Department of Theoretical Physics Research School of Physics Australian National University Canberra ACT 0200 Australia

There is currently much interest in the recycling of entangled systems, for use in quantum information protocols by sequential observers. In this work, we study the sequential generation of Bell nonlocality via recycling one or both components of two-qubit states. We first give a description of two-valued qubit measurements in terms of measurement bias, strength, and reversibility, and derive useful tradeoff relations between them. Then, we derive one-sided monogamy relations for unbiased observables that strengthen the recent conjecture by Cheng et al. [Phys. Rev. A 104, L060201 (2021)] that if the first pair of observers violate Bell nonlocality then a subsequent independent pair cannot, and give semianalytic results for the best possible monogamy relation. We also extend the construction by Brown and Colbeck [Phys. Rev. Lett. 125, 090401 (2020)] to obtain (i) a broader class of two-qubit states that allow the recycling of one qubit by a given number of observers on one side and (ii) a scheme for generating Bell nonlocality between arbitrarily many independent observers on each side, via the two-sided recycling of multiqubit states. Our results are based on a formalism that is applicable to more general problems in recycling entanglement and hence is expected to aid progress in this field.

关键词： Nonlocality Quantum correlations in quantum information Quantum networks

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Prioritization of Influencing Factors for Remote control intelligent ships Collision Based on Fuzzy Fault Tree Analysis

Prioritization of Influencing Factors for Remote Control Int...

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International Conference on Transportation Information and Safety (ICTIS)

作者： Ziyue Wang Xinping Yan Bing Wu State Key Laboratory of Maritime Technology and Safety(SKL-MTS) Wuhan University of Technology Wuhan china Intelligent Tranport Systems Research Centre(ITSC) Wuhan University of Technology Wuhan china National Engineering Research Center for Water Transport Safety (WTSC) Wuhan University of Technology Wuhan China School oftransportation and Logistics Engineering Wuhan University of Technology Wuhan China Inland Port and Shipping Industry Research Co. Ltd. of Guangdong Province China Acadmician Work station of China COSCO SHIPPING Co. Ltd China Wuhan china

Navigation safety is the core of the intelligent ships development. However, the few studies focus on the qualitative and quantitative analysis of intelligent ships collision risk, and there is a lack of statistical data on bottom events related to intelligent ships. To solve this problem, this paper utilizes fuzzy theory and fault tree to assess remote control intelligent ships collision risk in inland waterways. Firstly, this paper identifies the conventional bottom events using the actual marine accident data, then identifying the influencing factors of collision risk for inland remote control intelligent ships, based on the conventional ship risk factors and in combination with the remote control intelligent ships hierarchical control structure, the impact factors of collision risk are reduced and supplemented. Constructs the fault tree of the remote control intelligent ships collision risk based on above bottom events. Secondly, using the Delphi method to evaluate the fuzziness of the failure probability of bottom events, the failure probability of the bottom events is calculated through triangular fuzzy numbers and trapezoidal fuzzy numbers. Finally, the occurrence probability of collisions involving inland remote control intelligent ships and the importance ranking of the probability of each bottom event are calculated. Through this research, the main factors affecting the collision of inland remote control intelligent ships are identified, providing an analytical basis for the development of corresponding prevention and control strategies.

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A Data logger for educational purposes of a laboratory chemical reactor: an IoT approach

A Data logger for educational purposes of a laboratory chemi...

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Electrical, Computer, Communications and Mechatronics engineering (ICECCME), International Conference on

作者： José Lima Thadeu Brito Olga Ferreira Maria J. Afonso Vítor H. Pinto José A. Carvalho Paulo Costa Research Centre in Digitalization and Intelligent Robotics (CeDRI) Instituto Politécnico de Bragança Bragança Portugal Laboratório Para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC) Instituto Politécnico de Bragança Bragança Portugal Centre for Robotic in Industry and Intelligent Systems Institute for Systems and Computer Engineering Technology and Science (INESC-TEC) Porto Portugal CeDRI SusTEC INESC-TEC Faculty of Engineering of University of Porto (FEUP) Porto Portugal SusTEC ESTiG Instituto Politécnico de Bragança Bragança Portugal ARISE & ECE Dept. Research Center for Systems and Technologies (SYSTEC) FEUP CeDRI SusTEC INESC-TEC FEUP

This paper presents the development of an acquisition system and data logger from an existing set of three continuous stirred-tank reactors in series. The reactors are currently used in chemical engineering educational laboratories to perform kinetic and tracer experiments. In this sense, to accomplish the store data process, the volumetric flow rate and the concentration of tracer, reactants and/or products of the reaction must be acquired as a function of time. In the original experimental setup, only the signal conditioning system was operational, while the acquisition, visualization, and control systems were obsolete and damaged. Thus, a new system composed of an interface and real-time acquisition data is proposed alongside preserving the main reactor structure. A graphical user interface and the automation of the various actuators were developed based on worldwide usage and low cost, respectively. This system, based on a common 8-bit microcontroller and an application developed in Lazarus, allows the storage of the acquired data in a time-series database. In this way, students can analyze the results later or in real time. Moreover, remote access allows controlling the reactor and getting data by the Internet of Things (IoT) resources. Additionally, the proposed system using IoT allows data to be shared with the community as a dataset.

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Programming Mobile Robots in an Educational Context: a Hardware-in-the-loop Approach

Programming Mobile Robots in an Educational Context: a Hardw...

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International Conference on control, Decision and Information Technologies (CoDIT)

作者： Laiany Brancalião Mariano Alvarez João Coelho Miguel Conde Paulo Costa José Gonçalves Research Centre in Digitalization and Intelligent Robotics (CeDRI) Instituto Politécnico de Bragança Bragança Portugal University of Léon León Spain Institute of Engineering Systems and Computers Technology and Science (INESC TEC) University of Porto Porto Portugal Laboratory for Sustainability and Technology in Mountain Regions (SusTEC) Instituto Politécnico de Bragança Bragança Portugal

ISBN: (数字)9798350373974

ISBN: (纸本)9798350373981

In this paper it is presented a Hardware-in-the-loop (HIL) mobile robot programming approach, to be applied in a robotics educational context. The motivation to apply this approach is the fact that students can program the robots without access to the robot hardware, but still maintain some important closed loop control critical features, such as a realistic lag time and the possibility for a larger number of students to program at the same time. Therefore, the developed software is applied to the real hardware without any change. The HIL approach was applied to provide a simulation close to reality, once the processing occurs in the real robot processor and the actuation and sensorization inside the simulation, adding to the advantage to test the firmware avoiding damage in the physical robot.

关键词： Context Robot sensing systems Hardware Software Mobile robots Information technology Programming profession Microprogramming

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