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23rd International Conference on Engineering, technology and Innovation, ICE/ITMC 2017

作者： Exner, Konrad Stark, Rainer Kim, Ji Yoon Division of Virtual Product Creation Fraunhofer Institute for Production Systems and Design Berlin Germany Department of Industrial Information Technology Technische Universität Berlin Berlin Germany

ISBN: (纸本)9781538607749

The appearance of Industrie 4.0 also known as cyber-physical systems and internet of things enables a continuous creation of data based on intelligent facilities. It is assumed that data will be one of the main resources in the future. Nevertheless, data need to be transformed into valuable information and further systematically integrated into a value proposition. In order to develop these smart services a data-driven business model has to be developed and evaluated. For this reason, a literature review has been conducted to identify existing business model approaches in context of Industrie 4.0 and Product-Service systems. Based on the results of the review requirements for a new model and method have been defined and a data-driven business model including an extensive catalogue of key questions have been developed and applied with an industrial partner. The findings and results of the study are presented in this paper. © 2017 IEEE.

关键词： Embedded systems

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Enterprise Interoperability II: New Challenges and Approaches

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2016年

作者： Ricardo Jardim-Gonalves Jrg P Mller Kai Mertins Martin Zelm

ISBN: (纸本)9781447171317

This volume provides a concise reference to the state-of-the-art in software interoperability. Composed of over 90 papers, Enterprise Interoperability II ranges from academic research through case studies to industrial and administrative experience of interoperability. The international nature of the authorship continues to broaden. Many of the papers have examples and illustrations calculated to deepen understanding and generate new ideas.

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The Effects of Laser Microtexturing of Biomedical Grade 5 Ti-6Al-4V Dental Implants (Abutment) on Biofilm Formation

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Procedia CIRP 2018年 68卷 184-189页

作者： Eckart Uhlmann Luiz Schweitzer Heinz Kieburg Anja Spielvogel Katrin Huth-Herms Fraunhofer Institute for Production Systems and Design Technology Pascalstrasse 8-9 Berlin 10587 Germany Institute for Machine Tool and Factory Management Technische Universität Berlin Pascalstrasse 8-9 Berlin 10587 Germany Laser-Mikrotechnologie Dr. Kieburg James-Frank-Str. 13 Berlin 12489 Germany

Every surface exposed in the oral cavity is covered by a layer of salivary proteins (pellicle). The initial formation of the pellicle, which is a cellular, proteinaceous film on the surface, is followed by the adsorption of bacterial cells. Well-developed biofilms on dental implant surfaces become the main source of pathogenic microbes causing Peri-Implantitis, a condition that has been described as one of the main causes of dental implant failure. The surface wettability affects the formation of pellicle and biofilms. This paper presents laser surface microtexturing as a surface treatment of Ti-6Al-4V against the settlement of the bacteria Streptococcus mutans .

关键词： Peri-Implantitis laser ablation with ultrashort pulses microtexturing

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A Model for the Development of Sustainable Innovations for the Early Phase of the Innovation Process

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Procedia Manufacturing 2017年 8卷 215-222页

作者： Stock, Tim Obenaus, Michael Slaymaker, Amara Seliger, Günther Institute for Assembly Technology and Factory Management Technische Universität Berlin Pascalstraße 8-9 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology IPK Pascalstraße 8-9 10587 Berlin Berlin Germany Department of Chemical Engineering McGill University 3610 University Street Montreal H3A 0C5 Quebec Canada

Current industrial development is faced by the global challenge to meet the continuously growing demand for capital and consumer goods in emerging countries while simultaneously ensuring a sustainable industrial growth in the social, environmental and economic dimension. By means of market dynamics of cooperation and competition in global value creation and knowledge networks, innovations geared towards sustainability can be essential drivers for realizing a sustainable development. The targeted development of new sustainable innovations is consequently a key activity in order to move towards sustainable industrial growth. This paper will describe a model for the development of sustainable innovations. The model focuses on idea generation in the early phase of the innovations process, addressing the fuzzy front end of innovation. In this context, specific goals and principles of sustainable development are integrated into a problem-solving approach. This integrated approach is subsequently used as a foundation for the targeted development of sustainable innovations in the frame of a workshop concept. © 2017 The Authors

关键词： Innovation management Model Sustainable development

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Laser-plasma-cladding as a hybrid metal deposition-technology applying a SLM-produced copper plasma nozzle

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Procedia CIRP 2018年 74卷 738-742页

作者： Christian Brunner-Schwer Robert Kersting Benjamin Graf Michael Rethmeier Fraunhofer Institut for Production Systems and Design Technology Pascalstraße 8-9 10587 Berlin Germany Federal Institute for Materials Research and Testing Unter den Eichen 87 12205 Berlin Germany Technical University Berlin Institute of Machine Tools and Factory Management Pascalstraße 8-9 10587 Berlin Germany

Laser-Metal-Deposition (LMD) and Plasma-Transferred-Arc (PTA) are well known technologies which can be used for cladding purposes. The prime objective in combining LMD and PTA as a Hybrid Metal Deposition-technology (HMD) is to achieve high deposition rates at low thermal impact. Possible applications are coatings for wear protection or repair welding for components made of steel. The two energy sources (laser and plasma arc) build a joint process zone and are configurated to constitute a stable process at laser powers between 0.4-1 kW (defocused) and plasma currents between 75-200 A. Stainless steel 316L serves as filler material. For this HMD process, a plasma Cu-nozzle is designed and produced by powder bed based Selective Laser Melting. The potential of the HMD technology is investigated and discussed considering existing processes. This paper demonstrates how the interaction of the two energy sources effects the following application-relevant properties: deposition rate, powder efficiency and energy input.

关键词： Laser-Metal-Deposition Plasma-Transferred-Arc SLM printed plasma torch Laser-Plasma-Hybrid

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Embedding electronics into additive manufactured components using laser metal deposition and selective laser melting

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Procedia CIRP 2018年 74卷 168-171页

作者： Torsten Petrat Robert Kersting Benjamin Graf Michael Rethmeier Fraunhofer Institut for Production Systems and Design Technology Pascalstraße 8-9 10587 Berlin Germany Federal Institute for Materials Research and Testing Unter den Eichen 87 12205 Berlin Germany Technical University Berlin Institute of Machine Tools and Factory Management Pascalstraße 8-9 10587 Berlin Germany

The paper deals with the integration of a light emitting diode (LED) into an additive manufactured metal component. Selective laser melting (SLM) and laser metal deposition (LMD) are used. The material used is the chrome-nickel steel 316L. The basic component is manufactured by means of SLM and consists of a solid body and an area with grid structure. The solid body includes a duct in the shape of a groove with a recess for the positioning of the power cable. The LED is embedded in the grid structure via an inlet from the solid body. In further processing, the groove is filled with LMD. Two strategies with different parameter combinations were investigated. It shows that a high energy input near the power cable leads to its destruction. By using multiple parameter combinations during the manufacturing process, this destruction can be prevented. There was a comparison of both strategies with regard to the necessary number of tracks and duration of welding time.

关键词： additive manufacturing condition monitoring process chain laser-metal-deposition selektive-laser-melting embedded electronics

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Surgical navigation with QR codes

Surgical navigation with QR codes

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作者： Katanacho, Manuel De la Cadena, Wladimir Engel, Sebastian Fraunhofer Institute for Production Systems and Design Technology IPK Pascalstrasse 8 – 9 Berlin10587 Germany

The presented work is an alternative to established measurement systems in surgical navigation. The system is based on camera based tracking of QR code markers. The application uses a single video camera, integrated in a surgical lamp, that captures the QR markers attached to surgical instruments and to the patient. ©' 2016 Manuel Katanacho et al., licensee De Gruyter.

关键词： Gesture recognition

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Intelligent Pattern Recognition of a SLM Machine Process and Sensor Data

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Procedia CIRP 2017年 62卷 464-469页

作者： Eckart Uhlmann Rodrigo Pastl Pontes Abdelhakim Laghmouchi André Bergmann Fraunhofer Institute for Production Systems and Design Technology (IPK) Pascalstraße 8-9 Berlin 10587 Germany Technische Universität Berlin - Institute for Machine Tools and Factory Management (IWF) Pascalstraße 8-9 Berlin 10587 Germany

Selective Laser Melting is an additive manufacturing process, in which the research has been increasing over the past few years to meet customer-specific requirements. Therefore, new manufacturing parameters have been monitored raising the number of sensors in the machines. Consequently, it leads to a bigger amount of data and difficulties to perform manual data analysis. In order to improve the analysis, this paper illustrates a possibility of pattern recognition using a different historical process and sensors data from a SLM machine. The results are evaluated using an intelligent tool for algorithms configuration and data analysis developed at fraunhofer ipk.

关键词： Pattern recognition data analysis SLM additive manufacturing sensor data

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design of a pressure sensitive matrix for analyzing direct haptic patient-therapist interaction in motor rehabilitation after stroke

Design of a pressure sensitive matrix for analyzing direct h...

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作者： Pust, Michael Ivanova, Ekaterina Schmidt, Henning Krüger, Jörg TU Berlin Berlin Germany Rehabilitation Robotics Group Department of Industrial Automation Technology TU Berlin Berlin Germany Rehabilitation Robotics Group Fraunhofer Institute for Production Systems and Design Technology Berlin Germany Department of Industrial Automation Technology TU Berlin Berlin Germany

Robot based therapy is one of the prevalent therapeutic approaches in motor stroke rehabilitation. It is often used in hospitals in combination with conventional therapy. In order to optimize human-robot interaction, we aim to investigate how a therapist physically supports patients during motor training of the upper extremities. This paper presents the design of a flexible textile sensor matrix, which measures the pressure exerted between therapist and patient during direct haptic interaction as well as the hand position and orientation in space. The matrix contains 144 sensors which enables measuring pressure intensity and localization of areas where the pressure is applied. The measurement matrix was evaluated with four healthy participants. © 2017 Michael Pust et al., licensee De Gruyter.

关键词： Human robot interaction

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An integrated approach for industrial robot control and programming combining haptic and non-haptic gestures

An integrated approach for industrial robot control and prog...

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IEEE International Workshop on Robot and Human Communication (ROMAN)

作者： Johannes Hügle Jens Lambrecht Jörg Krüger Fraunhofer Institute for Production Systems and Design Technology Pascalstr. 8-9 10587 Berlin Industrial Automation Technology of the Institute for Machine Tools and Factory Management at Technische Universität Berlin Pascalstr Berlin Fraunhofer Institute for Production Systems and Design Technology Pascalstr Berlin

We present a hybrid programming method for industrial robots combining advantages of manual haptic guidance of the end-effector and programming approaches using non-haptic pointing gestures for the spatial definition of poses and trajectories. Whereas the bare-hand spatial interaction can be implemented and performed cost- and time-efficiently but lacks accuracy, haptic-interaction is more time-consuming but it is used in a reduced manner in order to enable a highly-accurate refinement of target working poses. Additionally, the user is supported by a mobile Augmented Reality simulation providing spatial validation of the robot program, program management and transmission towards the robot controller. The implementation is realized by a compliance control based on a sensor mounted between flange and end-effector combined with our former introduced approach for spatial programming. We conducted a user study comparing Teach-In and Offline programming. The analysis shows a significant reduction of programming duration as well as a reduction of programming errors compared with Teach-In. Most participants favor the hybrid programming system. No significant differences for the programming duration could be determined between experts and non-experts. In comparison between haptic and non-haptic interaction, non-experts favor non-haptic interaction due to the higher intuitiveness of pointing gestures compared to direct physical interaction.

关键词： Programming Robot sensing systems Haptic interfaces Service robots Trajectory Mobile communication

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