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An Analysis of Flexible Manufacturing on the Support of the Development of Smart Product-Service systems 17th

An Analysis of Flexible Manufacturing on the Support of the ...

引用

17th IFIP WG 5.1 International Conference on Product Lifecycle Management, PLM 2020

作者： de M. Leite, Athon F. C. S. Canciglieri, Matheus B. Szejka, Anderson L. Goh, Yee Mey Monfared, Radmehr P. de F. R. Loures, Eduardo Junior, Osiris Canciglieri Industrial and Systems Engineering Graduate Program Pontifical Catholic University of Paraná CuritibaParaná Brazil School of Mechanical Electrical and Manufacturing Engineering Loughborough University Loughborough Leicestershire United Kingdom

ISBN: (纸本)9783030628062

Currently, changes in the customer’s mindset and increased flexibility in manufacturing shifted competition between companies to focus on the product’s value rather than its cost. In this context, Product-Service systems (PSSs) are an alternative to traditional value propositions (i.e. pure products, pure services) by combining services with products and providing an experience to customers. In recent decades, PSSs were expanded from solely business aspects to engineering aspects and technical considerations in their scope, such as the paradigms of Technical PSS, Industrial PSS, Digitalized PSS and Cyber-Physical PSS. More recently, due to the application of Industry 4.0 concepts, there is a significant increase of "smart technologies", i.e. sensors;connectivity;mobile application, in PSSs, naming it a new paradigm on the field, known as Smart PSSs. In this context, this research aims to explore and discuss current issues related to the integration of flexible manufacturing processes and Smart PSSs through a literature review and analysis, regarding information sharing, traceability and system reconfiguration based on customer’s requirements. Found literature points to gaps in the theme related to semantic issues and design issues regarding the dynamic reconfiguration of the manufacturing process and the Smart PSS. The modern approaches to the theme, as found in literature, are still not able to cope with the semantic barriers and high volume of heterogeneous information in a holistic manner. Conclusions point that further investigation of the cited issues is required in a systematic manner, as well as the development of models that can cope with the presented issues. © 2020, IFIP International Federation for Information Processing.

关键词： Semantics

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Guidelines for Hoshin Kanri: Successive refinements with experts

Guidelines for Hoshin Kanri: Successive refinements with exp...

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IIE Annual Conference and Expo 2015

作者： Da Silveira, Willian Giordani De Lima, Edson Pinheiro Deschamps, Fernando Da Costa, Sergio E. Gouvea Industrial and Systems Engineering Graduate Program Pontifical Catholic University of Parana Brazil Federal University of Technology Parana Brazil Deparment of Mechanical Engineering Federal University of Parana Curitiba Brazil

ISBN: (纸本)9780983762447

Hoshin Kanri is a model for strategy management that was conceived in Japan and is usually applied in the context of Total Quality Management (TQM) and lean implementations. This model is recognized for its strength to build the link between business strategy and business execution. The limited universe of empirical research about Hoshin Kanri, in addition to the resurgence of interest in it amongst western managers, who may face cultural challenges in Hoshin Kanri implementation, leads to the necessity of systematizing a set of universally applicable guiding principles for Hoshin Kanri initiatives. An initial model for guidelines was developed in a previous work through a systematic literature review supported by content analysis techniques. However, in order to develop guidelines that are as relevant as possible for the context of companies, the model must be refined through an empirical approach that takes into account practical experiences from different experts. This work fulfills this through a systematic approach by applying expert interviews for the successive refinement of the guidelines model. The results comprise the refined and confirmed model of guidelines regarding the process and the context of Hoshin Kanri and the discussion about conceptual foundations of the model.

关键词： Total quality management

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programmable skins based on core-shell microsphere/nanotube/polymer composites

Programmable skins based on core-shell microsphere/nanotube/...

引用

2015 MRS Spring Meeting

作者： Panchapakesan, Balaji Onal, Cagdas Loomis, James Systems Laboratory Department of Mechanical Engineering Worcester Polytechnic Institute WorcesterMA01609 United States Soft Robotics Laboratory Department of Mechanical Engineering Robotics Engineering Program Worcester Polytechnic Institute WorcesterMA01609 United States Department of Mechanical Engineering Massachusetts Institute of Technology CambridgeMA02139 United States

ISBN: (纸本)9781510826533

In this paper, we describe unique thermally responsive polymer system based on nanotube-elastomers dispersed with core-shell expanding microspheres (phase-change material). Upon thermal or infrared stimuli, liquid hydrocarbon cores encapsulated within the microspheres vaporize, expanding the surrounding shells and stretching the matrix. Microsphere transfonnation resulted in visible dimensional changes associated with macroscopic volume increase (>500%), reduction in density (>80%), and increase in elastic modulus (>675%). Additionally, electrically conductive nanotubes allowed for expansion dependent electrical responses. We present our new findings on expansion dependent superhydrophobicity in these materials and present some outlook and comparison of our stimuli responsive polymers with other material systems for future origami based applications. © Materials Research Society 2015.

关键词： Microspheres

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Chaotic differential evolution applied to electromagnetics optimization

Chaotic differential evolution applied to electromagnetics o...

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12th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2006

作者： Dos Santos Coelho, Leandro Mariani, Viviana Cocco Production and Systems Engineering Graduate Program Automation and Systems Laboratory Pontifical Catholic University of Paraná Imaculada Conceicao 1155 80215-901 Curitiba Brazil Pontifical Catholic University of Paraná Mechanical Engineering Graduate Program PUCPR/PPGEM Imaculada Conceicao 1155 80215-901 Curitiba Brazil

ISBN: (纸本)1424403200

This work presents a new global optimization algorithm based on differential evolution (DE) method and DE combined with chaotic sequences (DEC) given by logistic map. In this paper, the optimal shape design of Loney's solenoids benchmark problem is carried out by DE and DEC algorithms. The results of DE and DEC approaches are also investigated and their performance compared with those reported in the literature. © 2006 IEEE.

关键词： Chaos theory

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0906 | Experimental Investigation of Increased Bearing Capacity When Imparting Vibration to Loose Ground in Low Atmospheric Pressure 21

0906 | Experimental Investigation of Increased Bearing Capac...

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21st International and 12th Asia-Pacific Regional Conference of the International Society for Terrain-Vehicle systems, ISTVS 2024

作者： Watanabe, Tomohiro Iizuka, Kojiro Department of Engineering Mechanical Engineering Program Niigata University Niigata Prefecture Niigata City Japan Department of Science and Engineering Machinery and Control Systems Shibaura Institute of Technology Saitama Prefecture Saitama City Japan

ISBN: (纸本)9781942112570

Recently, legged robots have attracted considerable attention as highly mobile rovers for planetary exploration. However, the surfaces of celestial bodies such as Mars and the Moon are primarily loose, causing slippage due to surface deformation from the rover's leg movements. To mitigate this, a walking method aimed at preventing slippage was proposed. In this walking method, the bearing capacity is increased by imparting vibration from the rover's leg to the loose soil on the ground. This walking method improved the mobility performance of the legged rover. It is crucial to investigate the increase in bearing capacity by imparting vibration in a realistic space environment to validate the effectiveness of the proposed method. This study examines the change in bearing capacity due to vibration under low atmospheric pressure, a condition found on Mars and the Moon. This condition affects the characteristics of ground sand due to decreased air resistance. Our findings provide valuable insights into using vibration in planetary exploration to enhance the performance of legged rovers. The experimental results indicate that the bearing capacity under low atmospheric pressure is nearly identical to that under standard atmospheric pressure, suggesting that atmospheric pressure conditions have minimal impact on the bearing capacity when vibration is applied. © 2024 International Society for Terrain-Vehicle systems. All rights reserved.

关键词： Atmospheric pressure

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Experimental study for reducing tip noise generated from trailing-Edge flap of a supersonic configuration

Experimental study for reducing tip noise generated from tra...

引用

2010 Asia-Pacific International Symposium on Aerospace Technology, APISAT 2010

作者： Zhong, Lei Hiroki, Ura Masayoshi, Noguchi Department of Mechanical Systems Engineering Tokyo University of Science Suwa Nagano-ken Japan Aviation Program Group Japan Aerospace Exploration Agency Tokyo Japan

ISBN: (纸本)9787561228999

Noise reduction is an import problem to realize the next generation supersonic transport to achieve environmentally acceptable noise level at take-off and landing. The objective of this study is to reduce the flap tip noise by extending trailing-edge flap in spanwise. Noise measurement was conducted to investigate effects of flap tip devices on noise reduction for a supersonic civil transport configuration. Noise sources of airframe noise were identified by using a phased-array microphone measurement system, and it showed that the airframe noise mainly contributed from tips of the leading-edge and trailing-edge flaps. Results showed that noise levels were reduced by flap tip devices, and effects of noise reduction were confirmed.

关键词： Aerodynamics Flap Noise Supersonic transport

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Ultrasonic satellite system for the positioning of mobile robots

Ultrasonic satellite system for the positioning of mobile ro...

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IECON 2004 - 30th Annual Conference of IEEE Industrial Electronics Society

作者： Lee, Jung-Min Lee, DongHwal An, HeeTae Huh, Nam Kim, Myoung Kook Lee, Man Hyung Departement of Interdisciplinary Program in Mechatronics Pusan National University Busan Korea Republic of Departement of Mechanical and Intelligent Systems Engineering Pusan National University Busan Korea Republic of School of Mechanical Engineering Pusan National University Busan Korea Republic of

The positioning problem of mobile robot is an important part of control problem for mobile robot. Dead Reckoning is widely used for positioning of mobile robot. However this method has problems because it accumulates estimation errors. In this paper, we propose a new method to increase the accuracy of estimated position using the U-SAT(Ultrasonic Satellite system). U-SAT is composed of a distance measurement using ultrasonic wave and the position acquisition in the world coordinate using the GPS. It is shown that we will be able to estimate the position of mobile robot precisely, in which errors are not accumulated. The experimental results show that the proposed method is enable to estimate the position of the mobile robot. © 2004 IEEE.

关键词： Mobile robots

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Model Predictive Control of a Hybrid VA v for Parcel Delivery Applications 1

Model Predictive Control of a Hybrid VA v for Parcel Deliver...

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1st AIRPHARO Workshop on Aerial Robotic systems Physically Interacting with the Environment, AIRPHARO 2021

作者： Konyalioglu, Turan Alnipak, Sinan Altug, Erdinc İstanbul Technical University System Dynamics and Control Graduate Program İstanbul Technical University Autonomous Systems Research Laboratory Department of Mechanical Engineering İstanbul Turkey

ISBN: (纸本)9781665433891

Within the last decade, e-commerce has increased at an extraordinary level. The widespread use of Unmanned Aerial Vehicles (VAVs) in the logistics sector can reduce traffic density, improve delivery time, and can provide contactless delivery. This work proposes a new hybrid VAV, that combines the benefits of vertical take-off and land vehicle and a fixed-wing aircraft. It can carry multiple packages, which can decent automatically towards the recipients. This approach eliminates time-consuming landing maneuvers of the VA V for delivery. This work focuses on the design of the vehicle, and the challenges of the transitions from VTOL to aircraft modes and vice versa with a Model Predictive Controller. © 2021 IEEE.

关键词： Fixed wings

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EXERGETIC ANALYSIS OF A SOLAR ENERGY-BASED HYDROGEN PRODUCTION SYSTEM 23

EXERGETIC ANALYSIS OF A SOLAR ENERGY-BASED HYDROGEN PRODUCTI...

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23rd World Hydrogen Energy Conference: Bridging Continents by H2, WHEC 2022

作者： Akci, Hilal Gunerhan, Huseyin Hepbasli, Arif Ege University Graduate School of Natural and Applied Science Mechanical Engineering Program Bornova Izmir35100 Turkey Ege University Faculty of Engineering Department of Mechanical Engineering Bornova Izmir35100 Turkey Yasar University Faculty of Engineering Department of Energy Systems Engineering Bornova Izmir35100 Turkey

ISBN: (纸本)9786250008430

In this study, energy, exergy and sustainability analyses are performed for a solar energy-based hydrogen production system, which is modeled with TRNSYS and engineering Equation Solver (EES) software packages. This system consists of solar photovoltaic panels (PVs), a controller, an electrolyzer, a metal hydride hydrogen tank used for hydrogen production and storage, and Proton Exchange Membrane Fuel Cell (PEMFC) for electricity storage. Dead state temperature is taken as 0 ºC. The results revealed that the PEMFC had the highest energy efficiency of 53.28%. Exergy efficiencies of the solar PV panel, the electrolyzer and the PEMFC were determined to be 9.66%, 60% and 29.39%, respectively. The exergetic sustainability index of the electrolyzer had the maximum value of 2.501. © 2022 Proceedings of WHEC 2022 - 23rd World Hydrogen Energy Conference: Bridging Continents by H2. All rights reserved.

关键词： Hydrogen production

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Performance analysis of UPS(Ultrasonic Positioning System) using DGPS

Performance analysis of UPS(Ultrasonic Positioning System) u...

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IECON 2004 - 30th Annual Conference of IEEE Industrial Electronics Society

作者： Kim, Su Yong Lee, Dong Hwal An, Hee Tae Lee, Sang Hun Koh, Young Ho Lee, Man Hyung Department of Mechanical and Intelligent Systems Engineering Pusan National University Busan Korea Republic of Department of Interdisciplinary Program in Mechatronics Pusan National University Busan Korea Republic of School of Mechanical Engineering Pusan National University Busan Korea Republic of

In this paper, the position of a mobile robot using DGPS(Differential GPS) and UPS(UItrasonic Positioning System) is measured and the performance of UPS is analyzed using DGPS. UPS is absolute positioning system using ultrasonic waves and has better performance in low price than the other absolute positioning systems. So in order to evaluate the performance, UPS is compared with the RTK(Real-Time Kinematics) method, which is of the most accurate methods in the DGPS. As a result, the possibility of using UPS can be discussed as pseudolites or pseudo-satellites in the place where GPS is not available. © 2004 IEEE.

关键词： Mobile robots

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