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The design of rail straightness detector based on the laser displacement sensor 3

The design of rail straightness detector based on the laser ...

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3rd International conference on Advanced Manufacturing Technology and Manufacturing systems, ICAMTMS 2024

作者： Wang, Lijie Shi, Weichao Xu, Dekai Mei, Yifeng Xi'an University of Technology Beilin District Shaanxi Xi'an China

ISBN: (纸本)9781510681804

The straightness of the rail track not only affects the running speed and comfort of the train, but also leads to violent noise and damage to the accelerated train, and even endangers the traffic safety. Therefore, the detection of the rail straightness is crucial to the maintenance of the track. This paper designed a rail straightness detector based on laser displacement sensor. According to the detection requirements of rail straightness, through the design of the detector structure and hardware and software, the manufacturing of the mechanical structure of the experimental prototype and the debugging of the software system were completed. And the detection accuracy of the detector was tested experimentally. The results show that the rail straightness detector has the characteristics of reliable detection performance and many detection points, which provides technical support for the rail straightness detection. © 2024 SPIE.

关键词： Program debugging

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Digital virtual ecological product development and design intelligent system based on SaaS mode

Digital virtual ecological product development and design in...

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2023 International conference on Computer Application and Information Security, ICCAIS 2023

作者： Chen, Ruixi School of Finance Renmin University of China Beijing China

ISBN: (纸本)9781510675032

With the development of cloud computing, the Internet of Things, and other new technologies, people have put forward higher requirements for virtualization product services and management. Based on the SaaS model, this paper analyzes and develops a set of intelligent management systems based on desktop electronic science and technology ecological projects with practical application examples. The system uses the model framework to realize the collaborative control function between devices by studying data interaction and designing a digital virtual ecological product development intelligent system. Users can select the device and resource type of interest, add or download relevant hardware facilities and other information according to their own needs, and also monitor the storage and management resources in the virtual machine in real time. After that, this paper also tests the performance of the system. The test results show that the development efficiency of the digital virtual ecological product development and design intelligent system based on SaaS mode is more than 83%. © 2024 SPIE.

关键词： Intelligent systems

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Research on operational characteristics and methods for new energy nearby connected converters 9

Research on operational characteristics and methods for new ...

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9th International conference on Energy Materials and Electrical engineering, ICEMEE 2023

作者： Zhang, Hongyang Sun, Yang Wang, Meiwei Shi, Zhentang Petrochemical Research Institute Co. Ltd Liaoning Dalian116045 China

ISBN: (纸本)9781510672765

As an important means of carbon reduction, the application scale of new energy power generation is gradually expanding. With the diversity of new energy access to grid, many wind or photovoltaic converters have directly encountered issues such as circulating current or resonance, so the operational characteristics and methods for new energy nearby connected converters are crucial for the safe and stable operation of enterprise power grids. Firstly, the current research achievements and main technical characteristics were introduced. Secondly, topology design and architecture are explained, then centralized complementary architecture principles are presented based on independent port constraints. Thirdly, energy release stability control based on active protection and system regulation strategy and constraints are studied. Finally, the conclusion summarizes the main research content, the line parameters in the application of nearby connected converters is the main performance influencing factors. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

关键词： Solar energy Power grids Control systems design and modelling

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design and performance analysis of tetrafurcated optical fiber displacement sensors for enhanced range and linearity 11

Design and performance analysis of tetrafurcated optical fib...

引用

Photonic Instrumentation engineering XI 2024

作者： Zubia, Gorka Zubia, Joseba Durana, Gaizka Aldabaldetreku, Gotzon Amorebieta, Josu Dept. of Automatic Control and Systems Engineering University of the Basque Country Plaza Ingeniero Torres Quevedo 1 Bilbao48013 Spain Dept. of Communications Engineering University of the Basque Country Plaza Ingeniero Torres Quevedo 1 Bilbao48013 Spain Dept. of Applied Mathematics University of the Basque Country Plaza Ingeniero Torres Quevedo 1 Bilbao48013 Spain

ISBN: (纸本)9781510670464

optical fiber displacement sensors (OFDS) offer several advantages over conventional sensors due to their compact size and immunity to electromagnetic interference. These are particularly useful for applications in confined spaces, including aeronautical turbines. The critical component of OFDS is the fiber bundle, whose response depends on the arrangement, radius, and number of fibers. We developed a straightforward yet effective method for designing OFDSs based on sensor specifications: working point, range, and sensitivity. This allows to determine the bundle geometry directly from the specified requirements. Among the explored designs, the tetrafurcated bundle stands out, composed by a transmitting fiber at the center, surrounded by three collections of receiving fibers. This paper demonstrates that tetrafurcated OFDS designs significantly enhance both the range and linearity. Additionally, they effectively reduce the dead zone of the sensors, enabling precise measurements even at very short distances. The design has been manufactured and experimentally validated. Simulation and measurements are in good agreement with an MSE of 0.26%. Our findings highlight the practicality and reliability of tetrafurcated OFDS designs, opening new possibilities for advanced displacement sensing applications. © 2024 SPIE.

关键词： optical fibers

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Optimized finite state machine design for autonomous decision-making of VR intelligent agents in nuclear emergency response training

Optimized finite state machine design for autonomous decisio...

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2024 International conference on Algorithms, High Performance Computing, and Artificial Intelligence, AHPCAI 2024

作者： Guo, Ming Hu, Fengying Xu, Zijian Li, Biao Feng, Xiaofei Zhong, Guobo College of Nuclear Science and Technology Naval Engineering University Wuhan430033 China

ISBN: (纸本)9781510685840

In modern emergency management and training, Virtual Reality (VR) technology has become an indispensable tool due to its safety and high simulation capabilities. However, in complex scenarios such as nuclear emergency response, traditional VR systems often require the collaboration of multiple participants, increasing the complexity of organization and implementation. This paper proposes an optimized Finite State Machine (FSM) method based on state aggregation and hierarchical design to enhance the autonomous decision-making capability and task execution efficiency of VR intelligent agents. By decomposing complex tasks into different levels and aggregating similar states, the optimized FSM effectively reduces the number of states and transitions, significantly improving the system's response speed and flexibility. This provides a new solution for intelligent training systems in emergency management. The experimental results demonstrate the optimized FSM's superior performance in state reduction and transition efficiency, offering significant improvements in system response and flexibility for VR intelligent agents in nuclear emergency scenarios. © 2024 SPIE.

关键词： Efficiency

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Towards the software-hardware co-design for the refined management system of medical consumables combined with information technology in hospitals 3

Towards the software-hardware co-design for the refined mana...

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3rd International conference on Biomedical and Intelligent systems, IC-BIS 2024

作者： Ding, Wanfu Yang, Yao Tian, Qian Wang, Yiqun Zhang, Yuming Wu, Zilin Shenzhen People's Hospital First Affiliated Hospital of Southern University of Science and Technology Second Clinical Medicine College of Jinan University Shenzhen China

ISBN: (纸本)9781510681279

To investigate the application effects and value of the refined management system for hospital consumables based on collaborative design of software and hardware, we selected the consumable management data from Shenzhen People's Hospital and divided the management modes into traditional and informatized ones. Through a comparative analysis of order confirmation time, inventory counting time, warehouse expenses, and other aspects, we aim to demonstrate that the refined management system for medical consumables significantly improves the quality and efficiency of hospital consumable management, enhancing the management benefits, social benefits, and economic benefits of medical institutions. © 2024 SPIE.

关键词： Economic and social effects

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Software for Monitoring Patients at Risk of Stroke Due to Atrial Fibrillation (Cardiac Arrhythmia) 2

Software for Monitoring Patients at Risk of Stroke Due to At...

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2nd International conference on Emerging Trends in Information Technology and engineering, ic-ETITE 2024

作者： Ibáñez, Eduar Bayona Claro-Ascanio, Liseth Paola Rico-Bautista, Dewar Swaminathan, Jose University Francisco de Paula Santander Department of Systems and Informatics Ocaña Colombia University Francisco de Paula Santander Faculty of Administrative and Economic Sciences Ocaña Colombia School of Mechanical Engineering Vellore Institute of Technology Vellore India

ISBN: (纸本)9798350328202

By 2050 the number of people over 60 years of age will grow exponentially, the population will be older, and the number of chronic diseases will increase. In this sense, providing technological solutions that help to improve the health and quality of life of chronic patients is essential to adapt to the new times. 17.5 million people die worldwide from cardiovascular diseases. The project shows the design of a system that allows the diagnosis and monitoring of patients suffering from CVD using a device;to develop a non-invasive optical technique that allows the measurement of heart rate to be interpreted using algorithms. The project is currently in the testing phase to adjust for its implementation. © 2024 IEEE.

关键词： Telemedicine

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CONCEPTUAL design AND VIRTUAL PROTOTYPING OF A COMPLIANT, LOW-COST PROSTHETIC HAND 16

CONCEPTUAL DESIGN AND VIRTUAL PROTOTYPING OF A COMPLIANT, LO...

引用

ASME 16th Annual conference of the Smart Materials, Adaptive Structures and Intelligent systems (SMASIS)

作者： Baggetta, Mario Margherita, Vazzoler Palli, Gianluca Melchiorri, Claudio Berselli, Giovanni Univ Genoa DIME Dept Mech Energy Management & Transportat En Genoa Italy Univ Bologna DEI Dept Elect Elect & Informat Engn Guglielmo Ma Bologna Italy Findaz Ist Italiano Tecnol IIT ADVR Adv Robot Dept Rome Italy

ISBN: (纸本)9780791887523

This paper presents the development of an underactuated prosthetic hand that offers a cost-effective, functional, and human-like alternative for individuals with upper limb amputations. The design and virtual prototyping of the hand focus on achieving a size, weight, and appearance that closely resemble a human hand, aiming to enhance user acceptance. The prosthetic hand consists of ten degrees of freedom (DoF), with four of them being actuated. Among these, three degrees of actuation (DoA) are controlled by electric motors and a tendon transmission system, while the remaining DoA is manually actuated by the user through a spring plunger. The underactuated design incorporates compliant hinges based on springs and a mechanism that decouples the motors from the fingers, enabling more natural movements and greater adaptability to different objects. By incorporating a tendon transmission system and manual thumb actuation, users can easily accomplish basic grasping tasks without relying on complex control systems. To evaluate the gripping abilities and maximum gripping force of the hand, a virtual prototype has been created and tested in different grasping scenarios. This assessment allows for performance evaluation and refinement of the design. To improve affordability and accessibility for a wider range of users, the prosthetic hand has been designed with a focus on cost-effective components and widespread utilization of additively manufactured parts.

关键词： Conceptual design Springs Motors design Control systems Grasping Electric motors Artificial limbs Performance evaluation engineering prototypes Degrees of freedom Weight (Mass) Tendons Hinges Additive manufacturing

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Research progress and development considerations on load flight test of transport aircraft 10

Research progress and development considerations on load fli...

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10th International conference on Mechanical engineering, Materials, and Automation Technology, MMEAT 2024

作者： Cao, Liangqiu Chinese Flight Test Establishment Xi’an710089 China

ISBN: (纸本)9781510682634

Load flight test is one of the important projects for the approval flight test of transport aircraft. The flight test team has accumulated rich experience through multiple model flight tests, and has made significant progress in the technical fields of load flight test, safety monitoring based on measured loads, and model-based load flight testing. However, facing the future development trend of transportation aircraft, it is still necessary to continue conducting research on load flight test technology to further improve the effectiveness, safety, and economy of load flight test. © 2024 SPIE.

关键词： Calibration design Safety Environmental monitoring Transportation Unmanned aerial vehicles Control systems Data processing Structural health monitoring Velocity measurements

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design & Simulation of Fuel cell/Battery Hybrid Energy Storage System 7

Design & Simulation of Fuel cell/Battery Hybrid Energy Stora...

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7th International conference on Circuit Power and Computing Technologies, ICCPCT 2024

作者： Yagnendra, Chilla Kumar, Badigi Ajay Suresh, Ambhati Ghosh, Sourav Madanapalle Institute of Technology & Science Department of Electronics & Communication Engineering Andhra Pradesh India

ISBN: (纸本)9798350372816

This work presents the design and simulation of a Hybrid Energy Storage System (HESS) integrating a fuel cell with a battery, managed by bidirectional DC-DC converters. The proposed system aims to capitalise on the complementary characteristics of each energy storage element;the fuel cell provides a stable power supply, the battery offers high energy density for extended use, and handles peak loads with its high-power density and rapid charging/discharging capabilities. Utilising a sophisticated control strategy, the system dynamically manages energy flows to meet varying load demands efficiently, thereby enhancing the overall performance and extending the lifespan of the storage components. The design underscores the potential of HESS in applications requiring a reliable and continuous power supply, such as renewable energy systems, electric vehicles, and grid stabilisation. Simulation results demonstrate the system's adeptness at offering a balanced energy solution, which is both resilient and adaptable to fluctuating power requirements, highlighting the feasibility of such a system for advanced energy management applications. © 2024 IEEE.

关键词： Charge storage

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