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检索条件"丛书名=Lecture Notes in Mechanical Engineering"

共 6720 条记录，以下是531-540 订阅

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Lean 4.0 Deployment Case Studies in UK Industrial Companies: Lessons Learned 32nd

Lean 4.0 Deployment Case Studies in UK Industrial Companies:...

引用

32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Queiroz, Geandra Alves Alves Junior, Paulo Nocera Mello, Isotilia Costa Univ Fed Lavras Sao Sebastiao Do Paraiso Brazil Univ Catolica Norte UCN Coquimbo Chile Univ Lorraine CEREFIGE ICN Business Sch Paris France

ISBN: (纸本)9783031381645;9783031381652

The current paper aims to fill this gap through case-based research, understanding from empirical data the application of Lean 4.0 in four UK companies. The findings showed that Lean 4.0 represents an excellent strategy to improve the manufacturing systems' performance, mainly productivity, flexibility, real-time data accessibility, and quality control. Also, itwas possible to confirm that financial resources, adversity to change, and process complexity are the main barriers to Lean 4.0.

关键词： Lean 4.0 Lean Manufacturing Industry 4.0

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Elucidation of Fatigue Fracture Mechanism on Glass-Fiber-Reinforced-Plastics 3rd

Elucidation of Fatigue Fracture Mechanism on Glass-Fiber-Rei...

引用

3rd International Conference on Advanced Surface Enhancement (INCASE)

作者： Arakawa, J. Sakai, M. Hayashi, M. Akebono, H. Sugeta, A. Ohshita, J. Tanizawa, H. Shimizu, K. Ogawa, J. Okayama Univ Okayama Shi 3-1-1 TsushimanakaKita Ku Okayama 7008530 Japan Hiroshima Univ 1-4-1 Kagamiyama Higashihiroshima Hiroshima 7398527 Japan Digital Monozukuri Mfg Educ & Res Ctr 3-10-32 Kagamiyama Higashihiroshima 7390046 Japan Mazda Motor Corp 3-1 Shinchi Fuchu Hiroshima 7308670 Japan

ISBN: (纸本)9789819986422;9789819986439

In this study, it was elucidated that the fatigue failure mechanism of glass-fiber reinforced plastics (GFRP) with different fiber orientations, and the relationship between the fiber orientation and the failure mechanism by using a simple unidirectional fiber orientation. Fatigue tests exhibited that GFRP, whose glass fiber oriented parallel to the load direction showed high fatigue strength. Furthermore, as a result of observing the fatigue fracture, in the case of GFRP containing fibers oriented parallel to the loading direction, fatigue cracks occur at the fiber edges, propagated through between the glass fibers and the matrix. After that, the fatigue crack propagation rate gradually decreases, the fatigue crack growth stopped, and finally, GFRP material was statically fractured. Therefore, this suggests that the increase in fiber length of fibers oriented parallel to the loading direction extends the fatigue crack propagation life, leading to an increase in total fatigue life.

关键词： GFRP Fatigue crack propagation Matrix-fiber interface Shear lag model

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Study on Linear Actuators for Intake and Exhaust Systems of Internal Combustion Engines (Analytical Consideration of Thrust Characteristics by Permanent Magnet Array) 16th

Study on Linear Actuators for Intake and Exhaust Systems of ...

引用

16th International Symposium on Advanced Vehicle Control

作者： Kuroda, Jumpei Kimura, Kaito Ono, Ryutaro Kobayashi, Ikkei Uchino, Daigo Ogawa, Kazuki Ikeda, Keigo Endo, Ayato Kato, Hideaki Narita, Takayoshi Tokai Univ Course Sci & Technol Hiratsuka Kanagawa Japan Tokai Univ Res Inst Sci & Technol Hiratsuka Kanagawa Japan Tokai Univ Course Mech Engn Hiratsuka Kanagawa Japan Numazu Coll Natl Inst Technol Dept Mech Engn Shizuoka Japan Aichi Univ Technol Dept Elect Robot Nagoya Aichi Japan Hokkaido Univ Sci Dept Mech Engn Sapporo Hokkaido Japan Fukuoka Inst Technol Dept Elect Engn Fukuoka Japan Tokai Univ Dept Mech Syst Engn Hiratsuka Kanagawa Japan

ISBN: (纸本)9783031703942;9783031703928;9783031703911

To enhance internal combustion engine performance, this study focuses on developing an electric valve drive system utilizing linear actuators for intake and exhaust valve control. The linear actuator, comprising a movable coil and a fixed permanent magnet, operates based on the principle of the Lorentz force. Unlike traditional magnetic circuits, this actuator employs five permanent magnets with different magnetization directions to concentrate the flux on the coil. In this study, multiple models with varying ratios of these permanent magnets were created and analyzed using finite element analysis conducted with the JMAG software to investigate the thrust characteristics during the reciprocating motion of the actuator. The vector plot of the magnetic flux density shows that the magnetic circuit is predominantly composed of permanent magnets. The average thrust at a 10 mm displacement was approximately 107 N in the largest model. Future studies will aim to design actuators with increased thrust capabilities.

关键词： Linear Actuator Lorentz Force Magnetic Circuit Engine Intake and Exhaust System Electromagnetic Field Analysis

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Product-Service System Design - A Case Study for Parking Furniture Industry 1

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8th International Scientific-Technical Conference (MANUFACTURING)

作者： Salwin, Mariusz Kraslawski, Andrzej Andrzejewski, Michal Hryniewicka, Magdalena Warsaw Univ Technol Fac Prod Engn 85 Narbutta St Warsaw Poland Lappeenranta Univ Technol Sch Engn Sci POB 20 Lappeenranta 53581 Finland Kalmar Pac 38 Oksywska St PL-01694 Warsaw Poland Cardinal Stefan Wyszynski Univ Inst Econ & Finance Fac Socio Econ 2 3 Woycickiego St Warsaw Poland

ISBN: (数字)9783031564741

ISBN: (纸本)9783031564765;9783031564741

Product-Service System (PSS) is an innovative concept which combines products and services into comprehensive solutions that meet customer requirements. It gives the opportunity to increase the competitiveness and the development of the producers' offer and it is conducive to environmental protection. PSS theory and practice do not provide solutions that can be used in parking furniture. The aim of the paper is to develop the PSS for new type of parking furniture - garage boxes. The presented example is a part of the research on the new offer of manufacturing company. The developed PSS is supported by the real needs of people living in the blocks of flats and having their own parking spaces. It eliminates the problem of the lack of storage rooms and gives the possibility of free storage of necessary things. The research and the development of PSS was carried out in the form of industrial workshops carried out at the manufacturer's, attended by current and potential users of the garage boxes.

关键词： Product-Service System Product-Service System Design Parking Furniture Garage Box

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Improvement of the Wear Resistance of AISI4140 Steel by Duplex Treatment Combining Gas Nitriding and Physical Vapor Deposition 10th

Improvement of the Wear Resistance of AISI4140 Steel by Dupl...

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10th International Conference on Design and Modeling of mechanical Systems (CMSM)

作者： Ghanem, Abdelkarim Toumi, Siwar Terres, Mohamed Ali Univ Tunis UT Natl Higher Sch Engineers Tunis Mech Mat & Proc Lab LR99ES05 LMMP ENSIT 5 Ave Taha Hussein Tunis 1008 Tunisia Univ Sousse High Inst Sci & Appl Technol Sousse ISSATSo Cite EttafallahAve Ibn Khaldoun Sousse 4003 Tunisia Higher Inst Technol Studies Rades BP 176 Rades Medina Rades 2098 Tunisia

ISBN: (纸本)9783031650062;9783031650079

Previous studies have noted that gas nitriding and physical vapor deposition coating (PVD) considerably affect the wear resistance, friction coefficient and microstructure of AISI 4140 steel. This work studies the impact of gas nitriding and coating treatment (physical vapor deposition) on the wear resistance, friction coefficient and microhardness of this steel. The microhardness of the nitrided and PVD-coated layer increased with increasing nitrogen concentration, reaching approximately 1750 HV0.05 at a processing temperature of 525 degrees C and an ammonia content of 35%. Optical microscopy was used to study the structural properties of the nitrided layers. Furthermore, the presence of nitrogen and the TiN coating had a significant influence on the scratch resistance for a single pass, with a critical load (LC1) of approximately (5 N). Multi-pass scratching tests were used to study the wear volume, degradation process and friction coefficient. Furthermore, the multi-pass scratch method was used to obtain valuable data on the mechanical behavior and damage of the layer following duplex treatment, by combining gas nitriding and coating (PVD).

关键词： AISI 4140 Single scratch Gaseous Nitriding PVD coating multi-pass scratch

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On Bringing Fault Detection to Skill-Based Production 1st

On Bringing Fault Detection to Skill-Based Production

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1st European Symposium on Artificial Intelligence in Manufacturing (ESAIM)

作者： Ruebel, Pascal Motsch, William Schaefer, Hendrik Ruskowski, Martin German Res Ctr Artificial Intelligence DFKI Kaiserslautern Germany Technol Initiat SmartFactory KL eV Kaiserslautern Germany

ISBN: (纸本)9783031574955;9783031574962

In the context of Industrie 4.0, modular and skill-based production enables the manufacturing of small batch sizes. This leads to increased complexity of dynamic manufacturing contexts due to more constellations of cyber-physical production modules, skills, and products. However, even existing approaches aiming to enhance efficient and resilient production, fault detection applications, usually requiring big amounts of data or knowledge, remains mainly unnoticed. Against this background, it is the objective of this paper to develop a model that extends skill-based production by means of incorporating automated fault detection. This includes the identification of required fault detection components as well as its integration into the process control for executing skills. Hence, to achieve this objective, state-of-the-art approaches of fault detection are adapted and integrated into the skill model. Finally, the elaborated model is prototypically implemented in a realistic demonstration environment to come up with a proof of concept. Since it is difficult to directly model faulty behavior of Cyber-Physical Production Modules in flexible production their nominal behavior during the execution of skills is modelled and compared with its actual behavior. Based on deviations and defined thresholds symptoms are generated. The developed components are synchronized with their skill execution.

关键词： skill-based production fault detection flexible manufacturing modular production

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YOLOgraphy: Image Processing Based Vehicle Position Recognition 16th

YOLOgraphy: Image Processing Based Vehicle Position Recognit...

引用

16th International Symposium on Advanced Vehicle Control

作者： Kopeczi-Bocz, Akos T. Mi, Tian Orosz, Gabor Takacs, Denes Budapest Univ Technol & Econ Dept Appl Mech H-1111 Budapest Hungary Univ Michigan Dept Mech Engn Ann Arbor MI 48109 USA Univ Michigan Dept Civil & Environm Engn Ann Arbor MI 48109 USA Budapest Univ Technol & Econ HUN REN BME Dynam Machines Res Grp H-1111 Budapest Hungary

ISBN: (纸本)9783031703942;9783031703928;9783031703911

A methodology is developed to extract vehicle kinematic information from roadside cameras at an intersection using deep learning. The ground truth data of top view bounding boxes are collected with the help of unmanned aerial vehicles (UAVs). These top view bounding boxes containing vehicle position, size, and orientation information, are converted to the roadside view bounding boxes using homography transformation. The ground truth data and the roadside view images are used to train a modified YOLOv5 neural network, and thus, to learn the homography transformation matrix. The output of the neural network is the vehicle kinematic information, and it can be visualized in both the top view and the roadside view. In our algorithm, the top view images are only used in training, and once the neural network is trained, only the roadside cameras are needed to extract the kinematic information.

关键词： Image processing Vehicle dynamics Machine learning

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Lean Manufacturing vs Coaching Alliance in Engagement Promotion: An Employee Suggestion System Prototype 32nd

Lean Manufacturing vs Coaching Alliance in Engagement Promot...

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Salvadorinho, Juliana Bastos, Tiago Pintor, Paulo Teixeira, Leonor Univ Aveiro Dept Econ Management Ind Engn & Tourism DEGEIT Aveiro Portugal Univ Aveiro Dept Elect Telecommun & Informat DETI Aveiro Portugal Univ Aveiro Inst Elect & Informat Engn Aveiro IEETA Intelligent Syst Associate Lab LASI Aveiro Portugal

ISBN: (纸本)9783031381645;9783031381652

Industry 4.0 is being pushed by Industry 5.0 to put the human factor at the centre of technological innovation by fostering engagement practices, namely through participatory design and communication and knowledge sharing. Kaizen Teian, or suggestion systems, are tools that empower employees with voice behaviour, giving them the possibility to foster innovation in the organisation by fostering in them this feeling of involvement and/or belonging. This paper brings a prototype of a suggestion system, co-created with employees from three multi-sector companies that integrates the PDCA cycle with the Disney strategy, a Neuro-linguistic Programming technique used in Coaching. The Disney strategy aims at supporting innovation through a process for the realisation of ideas, giving them a mature character. This system fosters two of the predictors of work engagement, which are participative design and knowledge sharing, and brings transparency to suggestions, enabling the employee to monitor them. The promotion of sustainable innovation through the Disney strategy, the improvement of labour engagement and the sharing of knowledge, are all enhancing factors of organisational competitive advantage, not only by retaining the workforce, but also by preserving organisational knowledge. This is a digital tool adapted to the current challenging technological context, where Lean must be preserved and coaching tools applied.

关键词： Workforce Engagement Industry 4.0 Lean Manufacturing

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Estimation of Energy Transmission to Workpiece in Wire Electrical Discharge Machining Process 14th

Estimation of Energy Transmission to Workpiece in Wire Elect...

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14th International Conference on Computational Heat and Mass Transfer (ICCHMT)

作者： Sathavara, Parth Kumar, Mridul Desai, Akshat Parwani, Ajit Kumar Chaudhuri, Paritosh Inst Infrastruct Technol Res & Management Dept Mech & Aerosp Engn Ahmadabad 380026 Gujarat India Inst Plasma Res Gandhinagar 382428 India Homi Bhabha Natl Inst HBNI Training Sch Complex Mumbai 400094 Maharashtra India

ISBN: (纸本)9783031672408;9783031672415

Determining the fraction of the thermal energy transferred to the workpiece (fc) in a wire electrical discharge machining (WEDM) holds great significance. This is crucial for numerical modelling, as it allows to anticipate material removal mechanisms and thermal behaviour. In this study, the two metaphor-less Rao algorithms are modified to solve the inverse problem to estimate fc during the WEDM process. They are compared in terms of accuracy and convergence speed. The Rao-1 algorithm demonstrates a high accuracy and a fast convergence rate. Further to evaluate the applicability of the Rao-1 algorithm, two cases were examined: (1) a numerical experiment with simulated temperature and (2) a real-time experiment with temperature data obtained during the WEDM process. In the WEDM process heat energy is transferred to the workpiece from the wire which acts as a line heat source. The estimation of fc is accomplished by solving a two-dimensional inverse problem with a line heat source. Estimation does not need knowledge of the functional form of the line heat source. Real-time experiments have demonstrated that, under the specified machining parameters, 8.25% of the total energy is transferred to the workpiece.

关键词： Fraction of the thermal energy Wire electrical discharge machining Rao algorithm Inverse problem Line heat source

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Vibration and Modal Analysis of a Tonearm-Cartridge System 15th

Vibration and Modal Analysis of a Tonearm-Cartridge System

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15th International Conference on Vibration Problems (ICoVP)

作者： Vu, Viet-Hung Liu, Zhaoheng Thomas, Marc Ecole Technol Super Dept Mech Engn Montreal PQ Canada

ISBN: (纸本)9789819959211;9789819959228

The paper presents a research on the vibration and experimental modal analysis of a tonearm-cartridge system applied to the mechanical system of a turntable. The high fidelity of the music reproduction depends drastically on the dynamical properties of the tonearm-cartridge system, which has only been simplified and studied empirically. The recently developed techniques on the experimental modal analysis, especially on the operational modal analysis and the damping estimation, open new windows to study this micro but complex system with innovations. The finding of the system natural frequencies of the tonearm structure reveals accurately low frequency resonances of the system and the effect of the tonearm dynamics into the vibration of the whole turntable. Moreover, the finding of the cartridge compliance and damping offer some innovative approaches to reduce the vibration level at the needle. The research attracts potential attention from the vinyl record reproduction industry.

关键词： Modal analysis Stiffness and damping Compliance Tonearm-cartridge vibration Resonance

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