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2012 International Conference on Smart Grid technology, Economics and Policies, SG-TEP 2012

作者： Illing, Bjoern Bretschneider, Peter Fraunhofer Application Center System Technology Ilmenau Germany

ISBN: (纸本)9781467359306

The increasing change of the electrical power system caused by the influence of renewable energy on the power flow in the distribution grid mainly affects the distribution system operators. They have to cope with the changed power flow as well as to account for congestions. Therefore they have to take influence on these power flows. One opportunity is represented by variable grid fees which enable a causation-based allocation of grid costs and a higher predictability concerning power system planning. According to the development of pricing in the communication sector flat-rate pricing for grid usage seems to be an appropriate solution. Therefore an approach based on a flatrate tariff with an additional usage-sensitive component is developed. © 2012 IEEE.

关键词： Costs

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AN EMBEDDED SOLUTION FOR TIME CRITICAL MAINTENANCE TASKS THROUGH WIRELESS COMMUNICATION 5

AN EMBEDDED SOLUTION FOR TIME CRITICAL MAINTENANCE TASKS THR...

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5th International Conference on Electrical and Control Technologies (ECT 2010)

作者： Wenzel, Andreas Guss, Christian Biederstaedt, Andreas Fraunhofer Application Center System Technology Germany Otto Bock Mobility Solutions GmbH Germany

ISBN: (纸本)9781634397995

The paper describes a concept for managing time critical tasks via networks without quality of service (QoS). In this work the design of a solution for the remote maintenance of power wheelchairs across GPRS mobile communication networks is described. The whole system consists of a microcontroller-based module, which communicates with the power wheelchair control system via CAN bus and a server-based remote maintenance software. The two main challenges are the implementation of a highly specialized communication protocol and the design of embedded software with special regard to timing aspects.

关键词： remote maintenance wireless communication real-time software CAN time critical process

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Flat-rate pricing for grid usage in distribution grids

Flat-rate pricing for grid usage in distribution grids

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10th International Conference on the European Energy Market, EEM 2013

作者： Illing, Bjoern Bretschneider, Peter Westermann, Dirk Fraunhofer Application Center System Technology Ilmenau Germany Ilmenau University of Technology Ilmenau Germany

ISBN: (纸本)9781479920082

The increasing change of the electrical power system caused by the influence of renewable energy on the power flow in the distribution grid effects mainly the distribution system operators. They have to deal with changed power flow as well as to account for congestions. Therefore they have to take influence on these power flows. One opportunity is represented by variable grid fees which enable a causation-based allocation of grid costs and a higher predictability concerning power system planning. According to the development of pricing in the communication sector flat-rate pricing for grid usage seems to be an appropriate solution. Therefore an approach based on a flat-rate tariff with an additional usage-sensitive component is proposed. © 2013 IEEE.

关键词： Costs

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ConSys - A new software framework for underwater vehicles

ConSys - A new software framework for underwater vehicles

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OCEANS'10 IEEE Sydney, OCEANSSYD 2010

作者： Pfuetzenreuter, Torsten Renkewitz, Helge Fraunhofer Application Center System Technology Am Vogelherd 50 98693 Ilmenau Germany

ISBN: (纸本)9781424452217

Today a large number of autonomous underwater vehicles (AUVs) are evaluated or operated all over the world. Most of them use their own control systems created by the vehicle's manufacturer or scientists of different research areas. The fraunhofer application center system technology currently owns three underwater vehicles (both AUVs and remotely operated vehicles, ROVs), a forth is under development. All these vehicles have their individual control systems that are very different with respect to changing / creating software modules, mission planning and evaluation. These differences are one reason to develop a new software framework for underwater vehicles called ConSys. © 2010 CROWN.

关键词： Control systems

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Flash flood prediction for small rivers

Flash flood prediction for small rivers

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International Conference on Networking, Sensing and Control

作者： Linke, Hartmut Karimanzira, Divas Rauschenbach, Thomas Pfutzenreuter, Torsten Fraunhofer Institute of Optronics System Technologies and Image Exploitation Application Center System Technology Am Vogelherd 50 98693 Ilmenau Germany

ISBN: (纸本)9781424495702

Rainfall-runoff models are used as an integral part of flood warning systems. Especially in small catchment areas with a fast response to intense rain, an early enough triggering of warnings requires high quality weather forecasts as well as sufficiently accurate models. A conceptual rainfall-runoff model proposed by Lorent/Gevers serves as core routine of a pilot flash flood warning system for the Truse catchment in Thuringia (Germany). A moving horizon state estimator is used in order to enable this model for online application. © 2011 IEEE.

关键词： Catchments

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A low cost embedded solution for detection and analysis of three-dimensional gestures through wireless communication

A low cost embedded solution for detection and analysis of t...

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1st IFAC Conference on Embedded systems, Computational Intelligence and Telematics in Control, CESCIT 2012

作者： Weiskopf, A. Weichert, F. Dommes, E. Fraunhofer Application Center System Technology Embedded Systems 98693 Ilmenau Germany Erfurt University of Applied Science 99085 Erfurt Germany

ISBN: (纸本)9783902661975

This paper describes the concept of a non-optical acceleration-based gesture recognition system for a low cost and small size remote control for mobile robots which is capable of recognizing more than 5 gestures based on the input signals from a MEMS 3-axes accelerometer and a MEMS 2 axes-gyroscope. The system is designed like a wristwatch and based on a microcontroller module which detects the accelerations and the movements of the user's arm and transmits the results wirelessly to a receiver. The two main topics in this paper are the description of the hardware and the newly developed algorithm used to analyze and classify the detected movements in comparison to the traditional algorithms Hidden Markov Model (HMM) and Dynamic Time Warping (DTW). © 2012 IFAC.

关键词： Accelerometers

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Design of a software framework based on Geospatial standards to facilitate environmental modelling workflows

Design of a software framework based on Geospatial standards...

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6th Biennial Meeting of the International Environmental Modelling and Software Society: Managing Resources of a Limited Planet, iEMSs 2012

作者： Watson, Vanessa Watson, Kym Fraunhofer Application Center System Technology AST Fraunhofer Institute of Optronics System Technologies and Image Exploitation IOSB Am Vogelherd 50 98693 Ilmenau Germany Fraunhofer Institute of Optronics System Technologies and Image Exploitation IOSB Fraunhoferstr. 1 76131 Karlsruhe Germany

ISBN: (纸本)9788890357428

Environmental modelling workflows are often tedious due to heterogeneity of data sources, types and formats. This paper discusses how a software framework based on Open Geospatial Consortium (OGC) standards may facilitate the workflow steps and improve their flexibility by supporting data access, processing, and decision-making. The software framework is designed based on OGC standards, which can be realized in any modern programming language, to encapsulate processing algorithms (so called fusors) that fuse the environmental input data and run a model based computation. Such a software framework can improve the integration of new data sources into environmental applications as well as the data exchange between scientists who can then focus on the real application problem at hand. The open source model MODFLOW, which is worldwide one of the standard codes for groundwater flow simulation, is taken here as an example data fusor. A further objective of this software framework is to offer the complete modelling workflow as a web service.

关键词： Open source software

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A Hierarchical Management Approach for Electrical Energy Storages in Distribution Grids

A Hierarchical Management Approach for Electrical Energy Sto...

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IEEE Power and Energy Society General Meeting

作者： Steffen Nicolai Sabine Ritter Daniel Beyer Peter Bretschneider Fraunhofer Application Center System Technology Ilmenau Germany

ISBN: (纸本)9781467327275

In this paper an approach for optimal management of electrical energy storages in distribution grid with high share of renewable energies is presented. Within this approach a multi stage combination of a Storage Scheduling as a long term optimization and a Storage Dispatch as the short term consideration is applied. For this a reference distribution grid with realistic low voltage level structures is applied. The modeling of this reference grid is presented for several levels of the management approach. By means of currently assumed development data for energy generation from renewable fluctuating sources scenarios for the reference distribution grid are developed and the presented approach is investigated in numerical case studies. In conclusion, results of the model calculations are analyzed.

关键词： Index Terms-- electrical energy storages operational management hierarchical approach distribution grid renewable generation decentralized generation optimal power flow Power grids storages Grid references electrical energy Renewable energy Power production MODEL CALCULATION energy storage

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A low cost embedded solution for detection and analysis of three-dimensional gestures through wireless communication

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IFAC Proceedings Volumes 2012年第4期45卷 272-277页

作者： A. Weiskopf F. Weichert E. Dommes Fraunhofer Application Center System Technology Embedded Systems 98693 Ilmenau Erfurt University of Applied Science 99085 Erfurt

关键词： Accelerometers A/D converters Communication Data transmission Detection system Gyroscopes Movement Remote control Sensors

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Embedded control design of a mobile robot system: Results on a robust localization module

Embedded control design of a mobile robot system: Results on...

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IEEE Conference on Control technology and applications (CCTA)

作者： Fabian Mueller Andreas Wenzel Achim Gehr Christoph Ament Fraunhofer Application Center System Technology of the Institute of Optronics System Technologies and Image Exploitation Ilmenau Germany

This paper presents the embedded control design of the mobile robot system “Quanjo TDS”. Its control architecture combines software control aspects as well as an appropriate hardware layout in an overall concept. Related to this the results of an embedded, adaptive localization module incorporating a slip-free speed sensor are presented, which is an essential part of the modularized control concept.

关键词： Robot sensing systems Global Positioning system Vehicles Mobile robots Kalman filters Mathematical model

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