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作者： Pitu, Ciprian-Leonard Blendea, Carmen-Melinda Siemens Program and System Engineering Braşov Corporate Technology Central Eastern Europe Department Romania

ISBN: (纸本)9781424473359

In this paper the authors present the results of a prototype implemented based on previous concept studies: a novel mobility management framework with functions for built-in verification of configuration changes and for fault tolerance. This mechanism is required for increased network stability, to prevent the data loss, inadequate changes and to ensure that the moving user stays connected even in a busy network environment. The scope of this paper is to propose a proof of concept study in order to demonstrate the reliability and the superiority of the new architecture when compared to the traditional peer-to-peer (P2P) model. The paper deals with the implementation of the algorithm for fault tolerance and functions for updating the network configuration against all unexpected changes. The advantage of this approach is that the fault rate is extremely decreased, the data flow is constant, time is saved, the client's performance is increased and the server load is reduced. The mobility framework is implemented in Java using OMNET++ platform as a simulation environment.

关键词： Fault tolerance

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Proof-of-concept for a novel management mobility framework for point to point radio communication in wireless networks

Proof-of-concept for a novel management mobility framework f...

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作者： Pitu, Ciprian-Leonard Blendea, Carmen-Melinda Campeanu, Radu Siemens Program and System Engineering Braşov Corporate Technology Central Eastern Europe Department Romania Universitatea Transilvania Braşov Catedra de AutomaticǍ Romania

ISBN: (纸本)9789537044114

In this paper the authors present the results of an implementation prototype based on previous concepts studies: a novel management mobility framework with functions for builtin verification of configuration changes and for fault tolerant algorithm. Such a mechanism is required to obtain network stability, to prevent the data loss, inadequate changes and to ensure that the moving entity stays connected in case of the mobility of a dynamic and busy wireless network environment. The scope of this paper is to propose a proof of concept study in order to demonstrate the reliability and the superiority of the new architecture when compared to the traditional peer-to-peer (P2P) model, to evaluate the effects of the novel framework. The paper deal with the implementation of the algorithms for fault tolerant and functions for update the network configuration against all unexpected changes. The advantage of this approach is that the faults rate are extremely decreased, the flow of data is constant, time is saved, the client performance is increased and the server load is reduced. The mobility framework is implemented in Java using OMNET++ as a simulation environment.

关键词： Radio communication

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Studies of distributed energy supply systems using an innovative energy management system

Studies of distributed energy supply systems using an innova...

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Power Industry Computer Application Conference (PICA)

作者： H. Muller A. Rudolf G. Aumayr Department of Electric Power Systems University of Technology Vienna Vienna Austria Program and System Engineering Energy & Information Siemens Ag Austria Program and System Engineering Energy & Information Siemens Ag Germany

ISBN: (纸本)0780366816

The liberalization of energy markets and the aims of the climate protection promote distributed systems. These systems permit inclusion of all practicable energy resources in the energy mix in connection with storage facilities, controllable loads as well as combined heating and power generation. This article describes an energy management system for distributed energy supply systems and it's application as a planning tool to prepare economy studies. The function of the energy management system is short-term optimization in co-generation systems, incorporating generating units using renewable primary energy. It is based essentially on the function packages forecast (weather, generation and load), operations planning and online modules. The operations planning takes into account different generating units, energy storage mechanisms, demand-side management, contracts and co-generation. The online modules perform redistribution of generation and load schedules, generation control and load control. The studies reported here deal with contract management, evaluation of emissions and renewable energy combined with battery systems.

关键词： Energy management Energy storage Weather forecasting Contracts Power system protection Energy resources Temperature control Control systems Cogeneration Power generation planning

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An integrated testing platform for automotive and industrial electronic control units

An integrated testing platform for automotive and industrial...

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IEEE International Conference on Automation, Quality and Testing, Robotics, AQTR

作者： B. Târnaucă C. Suciu D. Floroian Siemens AG Germany Siemens Program and System Engineering Corporate Technologies Department of Automation Transilvania University of Brasov Romania

ISBN: (纸本)9781424467242;9781424467228

Any person involved in R&D activities is aware about the importance of testing. Depending on the type of R&D field, test associated costs can vary between 25% of the total costs to 80%. The importance of this activity is not always fully understood nor financially supported. Also, the high pressure put on reducing the time to market (TTM) for new products leads to reductions being made sometimes in the detriment of the testing activities. Therefore the efficiency and speed of the testing processes, in different stages of the product development, has to increase with every intended reduction for the TTM. This paper presents an integrated test platform which targets the testing of electronic control units (ECUs) from the automotive field as well as other industrial controllers and hardware solutions. It includes the hardware test equipment and the software tools developed for this purpose.

关键词： Electronic equipment testing Automotive engineering Industrial electronics Time to market Costs Hardware Product development Consumer electronics Electronics industry Industrial control

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The quality of multiple VoIP calls in an encrypted wireless network

The quality of multiple VoIP calls in an encrypted wireless ...

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International Conference on Optimization of Electrical and Electronic Equipment, OPTIM

作者： Mihai Ivanovici Ştefan Savu Department of Electronics and Computers Transilvania University of Brasov Brasov Romania Siemens Program and System Engineering Brasov Romania

We quantified the user-perceived quality for a VoIP application running in an encrypted wireless network and we experimentally determined the maximum number of parallel VoIP calls that can be achieved, at the best quality of the speech signal. We studied the behaviour of the application for four encryption mechanisms and for each of them we measured the bandwidth waste due to encryption. We used the ITU-T PESQ score to objectively assess the quality of the speech signal. In this paper we present the test setup and the tools we used for our experiments, as well as our experimental results and conclusions.

关键词： Cryptography Wireless networks Wireless LAN Internet telephony Space technology Speech analysis Computer networks Application software Bandwidth Costs

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An assessment and analysis tool for statistical process control of software processes 7

An assessment and analysis tool for statistical process cont...

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7th International SPICE Conference on Process Assessment and Improvement, SPICE 2007

作者： Kirbaş, Serkan Tarhan, Ayça Demirörs, Onur Siemens Program and System Engineering Department ODTU Teknokent Silikon Blk No:21 Ankara06531 Turkey Bilgi Group Software Research Education and Consultancy Ltd ODTU Teknokent Gumus Blk No:3 Ankara06531 Turkey Informatics Institute Middle East Technical Universit AnkaraMM Kat:4 06531 Turkey

ISBN: (纸本)9788976416094

In software engineering domain, SPC is currently utilized only by organizations which have high maturity levels according to the process improvement models like ISO/IEC 15504 and CMMI. In this paper, we present a software tool that we developed to ease and enhance application of SPC especially for emergent organizations. Our tool has facilities to assess the suitability of software processes and metrics for SPC as well as to analyze a software process with respect to its qualifying metrics using SPC techniques like control charts, histograms, bar charts, and pareto charts. In this paper we explain the tool by means of a bug-fixing process of a system and software development organization.

关键词： Statistical process control

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Abstracts from the 8th International Conference on cGMP Generators, Effectors and Therapeutic Implications : Bamberg, Germany. 23-25 June, 2017

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BMC pharmacology & toxicology 2017年第SUPPL 1期18卷 64-64页

作者： Todd Milne, G. Sandner, Peter Lincoln, Kathleen A. Harrison, Paul C. Chen, Hongxing Wang, Hong Clifford, Holly Qian, Hu Sheng Wong, Diane Sarko, Chris Fryer, Ryan Richman, Jeremy Reinhart, Glenn A. Boustany, Carine M. Pullen, Steven S. Andresen, Henriette Moltzau, Lise Román Cataliotti, Alessandro Levy, Finn Olav Lukowski, Robert Frankenreiter, Sandra Friebe, Andreas Calamaras, Timothy Baumgartner, Robert McLaughlin, Angela Aronovitz, Mark Baur, Wendy Wang, Guang-Rong Kapur, Navin Karas, Richard Blanton, Robert Hell, Stefan Waldman, Scott A. Lin, Jieru E. Colon-Gonzalez, Francheska Kim, Gilbert W. Blomain, Erik S. Merlino, Dante Snook, Adam Erdmann, Jeanette Wobst, Jana Kessler, Thorsten Schunkert, Heribert Walter, Ulrich Pagel, Oliver Walter, Elena Gambaryan, Stepan Smolenski, Albert Jurk, Kerstin Zahedi, Rene Klinger, James R. Benza, Raymond L. Corris, Paul A. Langleben, David Naeije, Robert Simonneau, Gérald Meier, Christian Colorado, Pablo Chang, Mi Kyung Busse, Dennis Hoeper, Marius M. Masferrer, Jaime L. Jacobson, Sarah Liu, Guang Sarno, Renee Bernier, Sylvie Zhang, Ping Flores-Costa, Roger Currie, Mark Hall, Katherine Möhrle, Dorit Reimann, Katrin Wolter, Steffen Wolters, Markus Mergia, Evanthia Eichert, Nicole Geisler, Hyun-Soon Ruth, Peter Feil, Robert Zimmermann, Ulrike Koesling, Doris Knipper, Marlies Rüttiger, Lukas Tanaka, Yasutake Okamoto, Atsuko Nojiri, Takashi Kumazoe, Motofumi Tokudome, Takeshi Miura, Koichi Hino, Jun Hosoda, Hiroshi Miyazato, Mikiya Kangawa, Kenji Kapil, Vikas Ahluwalia, Amrita Paolocci, Nazareno Eaton, Philip Campbell, James C. Henning, Philipp Franz, Eugen Sankaran, Banumathi Herberg, Friedrich W. Kim, Choel Wittwer, M. Luo, Q. Kaila, V. Dames, S. A. Tobin, Andrew Alam, Mahmood Rudyk, Olena Krasemann, Susanne Hartmann, Kristin Prysyazhna, Oleksandra Zhang, Min Zhao, Lan Weiss, Astrid Schermuly, Ralph Moyes, Amie J. Chu, Sandy M. Baliga, Reshma S. Hobbs, Adrian J. Michalakis, Stylianos Mühlfriedel, Regine Schön, Christian Fischer, Dominik M. Wilhelm, Barbara Zobor, Ditta Kohl, Ironwood Pharmaceuticals Cambridge USA Bayer AG Drug Discovery - Cardiovascular Research Wuppertal Germany Department of Cardiometabolic Diseases Research Boehringer Ingelheim Pharmaceuticals Ridgefield USA Department of Small Molecule Drug Research Boehringer Ingelheim Pharmaceuticals Ridgefield USA Department of Pharmacology University of Oslo and Oslo University Hospital Oslo Norway Institute of Experimental Medical Research University of Oslo and Oslo University Hospital Oslo Norway Center for Heart Failure Research University of Oslo and Oslo University Hospital Oslo Norway Department of Pharmacology Toxicology and Clinical Pharmacy Institute of Pharmacy University of Tuebingen Tuebingen Germany Physiologisches Institut Universität Würzburg Würzburg Germany Molecular Cardiology Research Institute Tufts Medical Center Boston USA Present Affiliation: Division of Cardiology University of Pittsburgh Medical Center Pittsburgh USA Present Affiliation: Department of Medicine Brown University School of Medicine Providence USA Division of Cardiology Tufts Medical Center Boston USA Max Planck Institute for Biophysical Chemistry Göttingen and German Cancer Research Center (DKFZ) Heidelberg Germany Department of Pharmacology and Experimental Therapeutics Thomas Jefferson University Philadelphia USA Institut für Kardiogenetik and Universitäres Herzzentrum Lübeck Universität zu Lübeck Lübeck Germany & DZHK e.V. (German Center for Cardiovascular Research) Partner Site Hamburg/Kiel/Lübeck Lübeck Germany Deutsches Herzzentrum München Klinik für Herz- und Kreislauferkrankungen Technische Universität München Munich Germany Center for Thrombosis & Hemostasis Universitätsklinikum der Johannes Gutenberg-Universität Mainz Mainz Germany Leibniz-Institut für Analytische Wissenschaften – ISAS – e.V Dortmund Germany Sechenov Institute of Evolutionary Physiology and Biochemistry Russian Academy of Sciences St. Petersburg Russia UCD Conway Institute UCD School of Medicine

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