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IEEE International Conference on Rehabilitation Robotics (ICORR)

作者： Ekaterina Ivanova Jörg Krüger Robert Steingräber Simone Schmid Henning Schmidt Stefan Hesse Rehabilitation Robotics Group (IPK/TUB) Itechnische Universität Berlin Berlin Germany Rehabilitation Robotics Group (IPK/TUB) Fraunhofer Institute for Production Systems and Design Technology (IPK) Berlin Germany Rehabilitation Robotics Group (IPK/TUB) Technische Universität Berlin Berlin Germany Center for Stroke Research Berlin Charité - Universitätsmedizin Berlin Berlin Germany

Robotic therapy devices have been an important part of clinical neurological rehabilitation for several years. Until now such devices are only available for patients receiving therapy inside rehabilitation hospitals. Since patients should continue rehabilitation training after hospital discharge at home, intelligent robotic rehab devices could help to achieve this goal. This paper proposes a novel multimodal home therapy concept and robot based system for motor telerehabilitation which is currently being further developed. The system is based on two haptic rehabilitation devices i) the Bi-Manu-Track (BMT) 2×1 DOF robotic haptic rehabilitation device with assist-as-needed control algorithms and ii) an enhanced version of the 3 DOF passive Reha-Slide system. The paper describes the technical system setup as well as user centered design aspects.

关键词： Medical treatment Haptic interfaces Training Visualization Rehabilitation robotics Games

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Robot control as a service — Towards cloud-based motion planning and control for industrial robots

Robot control as a service — Towards cloud-based motion pla...

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International Workshop on Robot Motion and Control (RoMoCo)

作者： Axel Vick Vojtěch Vonásek Robert Pěnička Jörg Krüger Department of Industrial Automation Technology Technische Universität Berlin Berlin Germany Faculty of electrical engineering Czech Technical University in Prague Prague Czech Republic Department of Robotics and Automation Fraunhofer Institute for Production Systems and Design Technology IPK Berlin Germany

This paper introduces a new concept for flexible motion planning and control of industrial robots. Instead of a closed monolithic architecture, an open service-based framework is proposed. The services can be run hardware-independent on a decentralized IT infrastructure (Cloud) allowing a fast reconfiguration of control modules and their multiple usage in different tasks. The services can be run on a dedicated PC or on individual virtual machines inside a single computing cluster. The proposed service-based framework was implemented and tested for the motion planning of a robotic manipulator. Effects on control performance, availability and scalability are investigated and documented.

关键词： Planning Collision avoidance Service robots Robot kinematics Robot sensing systems Interpolation

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Validation of Product-service systems in Virtual Reality

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Procedia CIRP 2015年 30卷 96-101页

作者： Konrad Exner Rainer Stark Technische Universität Berlin Pascalstraße 8-9 10587 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Pascalstraße 8-9 10587 Berlin Germany

Research in the area of the integrated development of products and services, designated as Product-Service systems (PSS), is maturing and a transition in industrial practices is noticeable. Nevertheless, PSS development methodologies lack consistent approaches regarding the integrated validation of different PSS elements rather than a separate development and validation. To prevent an expensive roll-out and testing in late development stages new methodologies and techniques need to be developed and applied. The challenge is theenablement of experiencing and thus testing of PSS in early stages, like planning and concept *** order to address these challenges for an integrated validation of PSS a prototyping approach named SHP4PSS has been introduced on a conceptual level [1], integrating virtual and physical prototypes in a Virtual Reality (VR). To complete the methodology a matrix is presented to derive test cases out of early PSS concepts. Furthermore, the evaluation matrix regarding the test phase and the current version of the demonstrator is introduced.

关键词： Product-Service systems validation evaluation Virtual Reality experiencing

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Providing Product-Service-systems - The Long Way from a Product OEM towards an Original Solution Provider (OSP)

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Procedia CIRP 2015年 30卷 233-238页

作者： Christian Schnürmacher Haygazun Hayka Rainer Stark Technische Universität Berlin Pascalstraße 8-9 10587 Berlin Germany Fraunhofer Institute for Production Systems and Design Technology Pascalstraße 8-9 10587 Berlin Germany

Product-Service-systems (PSS) have gained tremendous attention in research and industry over the past years [1] , [2] , [3] , [4] .Manufacturing firmstransform from providing pure productstowards providing integrated products and services [2] . This development is triggered by the increasing customer demand forPSS and the opportunity of manufacturers to differentiate themselves from their competitors as services are hard to replicate. For providing PSS companies need to go throughfundamental changes which range from organizational adaptions within the company structure over novel development processes to improving the customer relationship. In this paper the authors describe requirements for providing PSS which werederived from a case study with a crane manufacturer and an extensive literature research. These requirements are considered with respect to the different PSS business models related to the PSS types defined by Tukker [5] . Furthermore the implementation of one of these requirements in the case company is described.

关键词： Product-Service systems Original Solution Provider Change Management Transformation PSS business model

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Sustainable Corporate Development Measured by Intangible and Tangible Resources as Well as Targeted by Safeguard Subjects

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Procedia CIRP 2015年 26卷 630-634页

作者： Ronald Orth René Scheumann Mila Galeitzke Kirana Wolf Holger Kohl Matthias Finkbeiner Fraunhofer Institute for Production Systems and Design Technology Berlin 10587 Germany Department of Environmental Technology Technische Universität Berlin Germany Department of Assembly Technology and Factory Management Technische Universität Berlin Germany

The needed shift towards sustainable development in existing business processes can be achieved through the combination of the capital based approach and the life cycle sustainability assessment. This contribution performs an analysis and selection of assessment tools and indicators regarding the resources used in organisational processes and the life cycle of the products or services to measure the potential impacts on the environment and society. The relevance of intangible capital to improve the organisational sustainability performance as well as the expansion of the traditional dimensions of sustainability with the target of the six safeguard subjects: human health, social justice, ecosystem quality, financial stability, resource availability and man-made environment are integrated into a conceptual framework. This approach allows the development and implementation of strategies towards sustainable corporate development through a recommendation-based framework.

关键词： sustainability corporate development Life Cycle Sustainability Assessment safeguard subjects capital approach

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Strategies to improve the measuring time for industrial X-ray 3D Computed Tomography 14

Strategies to improve the measuring time for industrial X-ra...

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14th International Conference of the European Society for Precision Engineering and Nanotechnology, EUSPEN 2014

作者： Uhlmann, E. Oberschmidt, D. Sawczyn, N. Institute for Machine Tools and Factory Management Technische Universität Berlin Germany Fraunhofer IPK Institute for Production Systems and Design Technology Germany

ISBN: (纸本)9780956679031

The measuring time tm is a limiting factor for the application of industrial X-ray 3D Computed Tomography (CT) as a test method for measuring tasks, especially in technical application areas with varying components [1]. The paper shows the influence of the number of projections np and the rotation technique on the image quality in dependence of the geometry and material of test objects for industrial X-ray 3D CT.

关键词： Computerized tomography

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A transdisciplinary perspective on prototyping

A transdisciplinary perspective on prototyping

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IEEE International Conference on Engineering, technology and Innovation/ International technology Management Conference, ICE/ITMC 2015

作者： Exner, Konrad Lindow, Kai Stark, Rainer Angesleva, Jussi Bahr, Benjamin Nagy, Emilia Department of Industrial Information Technology Technische Universität Berlin Berlin Germany Division of Virtual Product Creation Fraunhofer Institute for Production Systems and Design Berlin Germany Institute of Time Based Media Berlin University of the Arts Berlin Germany Quality and Usability Labs Technische Universität Berlin Berlin Germany Hybrid Plattform Berlin University of the Arts Berlin Germany

ISBN: (纸本)9781467371568

New societal challenges influence product development on different levels, from business strategies of companies to engineering activities. For instance, the extension of product centered development to Product-Service systems including products, services, infrastructure, business models etc. demand specialists of different domains regarding the development of such solutions. Therefore, transdisciplinary team work is not an academic concept, but a necessity in practice. Besides classical challenges regarding team work, transdisciplinary teams have to face differences in the mutual understanding of development concepts, thus, resulting in misunderstandings. The research group Rethinking Prototyping focusses on prototyping processes, in particular by integrating different approaches and analyzing future potential of prototyping. The main idea is to bring different perspectives into collision to learn from each other and develop a common understanding of prototyping. For this purpose a two-day workshop has been conducted, bringing together a group of engineers, architects, interaction designers, media designers etc. Various domain specific design tasks have been analyzed and performed in mixed teams while recording the design process of the group and specific wording of each participant regarding prototyping. This paper describes the research approach and the qualitative results of the study. © 2015 IEEE.

关键词： process prototyping transdisciplinary

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Target-oriented Modularization – Addressing Sustainability design Goals in Product Modularization

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Procedia CIRP 2015年 29卷 603-608页

作者： Friedrich A. Halstenberg Tom Buchert Jérémy Bonvoisin Kai Lindow Rainer Stark Technische Universität Berlin Office PTZ4 Pascalstr. 8-9 10707 Berlin Germany Fraunhofer Institute Production Systems and Design Technology Pascalstr. 8-9 10707 Berlin Germany

Through modularization, a large range of sustainability goals can be addressed in design, e.g. environmentally friendly end-of-life or improved MRO (maintenance, repair and overhaul) processes. The development of methods for product modularization raised increasing interest in recent years. However, published methods for product modularization still lack of flexibility and standardization. Numerous methods have been developed that are defined for one or a given list of design goals. As a result, it is still difficult for engineers to find and apply the right method for a defined set of design goals. In this paper, the field of modular product design methods has been analyzed with the aim to develop a Target-oriented Modularization Method that allows defining modular product structure according to user-defined design goals. The introduced method is demonstrated on the example of a Garrett GT2860R turbocharger.

关键词： product modularity modular product design sustainable design product design design methods

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Laser based spot weld characterization

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AIP Conference Proceedings 2016年第1期1706卷

作者： Florian Jonietz Philipp Myrach Michael Rethmeier Hubert Suwala Mathias Ziegler 1BAM Federal Institute for Materials Research and Testing Unter den Eichen 87 12205 Berlin Germany 2Fraunhofer Institute for Production Systems and Design Technology Pascalstraße 8-9 10587 Berlin Germany

Spot welding is one of the most important joining technologies, especially in the automotive industry. Hitherto, the quality of spot welded joints is tested mainly by random destructive tests. A nondestructive testing technique offers the benefit of cost reduction of the testing procedure and optimization of the fabrication process, because every joint could be examined. This would lead to a reduced number of spot welded joints, as redundancies could be avoided. In the procedure described here, the spot welded joint between two zinc-coated steel sheets (HX340LAD+Z100MB or HC340LA+ZE 50/50) is heated optically on one side. Laser radiation and flash light are used as heat sources. The melted zone, the so called “weld nugget” provides the mechanical stability of the connection, but also constitutes a thermal bridge between the sheets. Due to the better thermal contact, the spot welded joint reveals a thermal behavior different from the surrounding material, where the heat transfer between the two sheets is much lower. The difference in the transient thermal behavior is measured with time resolved thermography. Hence, the size of the thermal contact between the two sheets is determined, which is directly correlated to the size of the weld nugget, indicating the quality of the spot weld. The method performs well in transmission with laser radiation and flash light. With laser radiation, it works even in reflection geometry, thus offering the possibility of testing with just one-sided accessibility. By using heating with collimated laser radiation, not only contact-free, but also remote testing is feasible. A further convenience compared to similar thermographic approaches is the applicability on bare steel sheets without any optical coating for emissivity correction. For this purpose, a proper way of emissivity correction was established.

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Detection of Counterfeit by the Usage of Product Inherent Features

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Procedia CIRP 2015年 26卷 430-435页

作者： Matthias Blankenburg Christian Horn Jörg Krüger Fraunhofer-Institute for Production Systems and Design Technology Pascalstr. 8-9 D-10587 Berlin Germany Technische Universität Berlin Institute for Machine Tools and Factory Managment Pascalstr. 8-9 D-10587 Berlin Germany

One aspect of the economical dimension of sustainable business development is the protection of high value products from counterfeiting. This holds especially true for consumer goods since the sustainable manufacturing process gains a more and more important role, e.g. in the creation of a brand image. In this paper we propose a method for detecting counterfeit by capture of inherent features indissolubly linked with the product induced by the production process itself. Since a counterfeiter gains margin by the use of inferior production processes and material the differences between genuine product and counterfeit can be captured in an automated fashion. The proposed method not only renders the application of artificial security tags obsolete which helps reducing the material usage but also gives enhanced protection against counterfeiting as the inherent characteristics cannot be removed from the article.

关键词： Counterfeit Detection Pattern Recognition Machine Learning 2D and 3D Image Processing Electronic Nose

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