Dresden University of Applied Sciences

Dresden, Germany
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The calculation of building energy demands is based on the hypothesis that there is a strong correlation between the energy consumption and a number of building properties, e. g. the geometrical characteristics, the structural physics and the building use. The building simulation method according to DIN V 18599 (2011) has been implemented to estimate the building heat demands within a city. This method is based on the detailed balancing of the heat losses by the individual building envelope surfaces and by the regular ventilation of a building as well as on the heat gains by solar irradiation and by internal heat sources. Additionally, this component-based method allows the analysis and simulation of saving potentials due to building refurbishments and is an integral part of the German energy saving regulation (EnEV) (2009) for the energetic evaluation of buildings. For the calculation of the electricity and warm water demand, statistical methods have been selected and implemented. Statistical and geo data were used as data bases, which are available in a clearly defined (in some cases official) quality for a region. For example, the envelope surface areas and volumes of the buildings were calculated from the virtual 3D city model and the number of population as well as the building age were obtained from web services of the city of Berlin. The actual calculation of the energy demands was carried out within a web application. The web application facilitates to estimate different variants of measures dynamically and in real-time, e. g. the possible effects of a building rehabilitation on energy consumption and energy efficiency (Kaden 2016).

Von Der Weth R.,Dresden University of Applied Sciences | Starker U.,University of Bamberg
Production Planning and Control | Year: 2010

Psychological aspects play a role in explaining the success or failure for ERP-implementation projects. Because of that, factors like motivation, emotion and knowledge should be carefully taken into account. The approach of this contribution focuses on the detection and analysis of emotional and motivational processes, which are influencing the organisational and technical change during the implementation process. The theoretical background for this paper is our 'Competence Regulation Model'. According to this model there exist self-energising or stable feedback loops between the individual's emotional and motivational processes and the reactions of the whole work system. The analysis of resulting developments allows prognoses about the effects of implementation measures on the individual and the whole work system. Developing on this, a strategy for software implementation is described which is based on this analysis. The article presents two case studies which show applications of this approach and closes with conclusions. © 2010 Taylor & Francis.

Agency: European Commission | Branch: FP7 | Program: CP | Phase: ICT-2009.1.1 | Award Amount: 4.48M | Year: 2010

FIVER project proposes and develops a novel integrated access network architecture employing only OFDM signals for the provision of quintuple play services (Internet, phone/voice, HDTV, wireless -WiMAX, UWB and LTE femtocell- and home security/control). FIVER architecture is completely integrated: The optical access FTTH, the in-home optical distribution network and the final radio link become part of the access network. This permits a streamlined network architecture avoiding most of the conversion stages and proving cost, space and energy savings.\nFIVER is a fully OFDM based network. This permits cost effective, fully centralised network architecture where the transmission impairment (both optical and radio) compensation and network management is done in only at the Central Office. No further compensation, regeneration or format conversion is required along the network giving a streamlined network architecture capable of handling future services of interest.\nFIVER services are fully converged: Both baseband (Gigabit-Ethernet provision) and standard wireless (WiMAX, UWB and LTE) radio-over-fibre signals are transmitted in radio-over-fibre through the FTTH, the in-building optical infrastructure and also the final user radio link. The use of full-standard wireless signals for optical and radio transmission gives two advantages: Fully standard receiver equipment can be used by the customer, and no ad hoc detection, re modulation or frequency conversion is required. All the transmission compensation algorithms, electro optical subsystems and network management are developed by FIVER consortium.\nFIVER architecture is future-proof. The project demonstrates HDTV service provision in the 60 GHz radio band at the last stage. Other wireless services operation in other bands can be included in the FIVER network architecture as long as they are OFDM.-based. This is due to the powerful transmission impairment compensation algorithms developed in the project.

Agency: European Commission | Branch: FP7 | Program: CP-IP | Phase: SST.2008.1.1.6. | Award Amount: 12.92M | Year: 2009

The study of CER, UNIFE, UIC and Euromot of the railway and engine manufacturing industries concluded on a risk of disruptive effect of the NRMM Directive application on the railway diesel vehicle supply market, leading to a possible risk of a partial modal shift from rail to road on regional passenger lines and freight transportation specialized routes, with even foreseeable consequences on the operations of the main electrified system. Such a shift would of course be highly detrimental to the achievement of the general objectives of a sustainable development of the European transport system. The project would also find the best balance between environmental and economical requirements, in order to avoid an always possible shift from rail transport to a less sustainable mode like road, even on electrified main routes would also encourage the engine industry to give rail applications serious consideration in their product development plans and provide the European Commission with proposals for a flexible move to the IIIB objective. The four years project is therefore build on the basis of several application sub-projects, representative of the different engine applications (rail cars, Diesel Multiple Units, shunting locomotives, main line light and heavy-haul locomotives) that will enable the industry to evaluate the different solutions to be applied to rail systems in real operating conditions. The optimum trade-off between the reduction of pollutant emissions by rail vehicles and the fuel energy consumption and CO2 emissions, as well as the overall impact of the applied technologies on the environment through a life cycle assessment approach, will be identified by this experimental part of the project. But the rail manufacturing industry also wishes to foster the development of rail specific applications of innovative solutions so as to even further develop the competitive advantages of rail transport in terms of sustainable development.

Agency: European Commission | Branch: H2020 | Program: IA | Phase: WATER-1b-2015 | Award Amount: 10.74M | Year: 2016

The AquaNES project will catalyse innovations in water and wastewater treatment processes and management through improved combinations of natural and engineered components. Among the demonstrated solutions are natural treatment processes such as bank filtration (BF), managed aquifer recharge (MAR) and constructed wetlands (CW) plus engineered pre- and post-treatment options. The project focuses on 13 demonstration sites in Europe, India and Israel covering a repre-sentative range of regional, climatic, and hydrogeological conditions in which different combined natural-engineered treatment systems (cNES) will be demonstrated through active collaboration of knowledge and technology providers, water utilities and end-users. Our specific objectives are to demonstrate the benefits of post-treatment options such as membranes, activated carbon and ozonation after bank filtration for the production of safe drinking water to validate the treatment and storage capacity of soil-aquifer systems in combination with oxidative pre-treatments to demonstrate the combination of constructed wetlands with different technical post- or pre-treatment options (ozone or bioreactor systems) as a wastewater treatment option to evidence reductions in operating costs and energy consumption to test a robust risk assessment framework for cNES to deliver design guidance for cNES informed by industrial or near-industrial scale expe-riences to identify and profile new market opportunities in Europe and overseas for cNES The AquaNES project will demonstrate combined natural-engineered treatment systems as sus-tainable adaptations to issues such as water scarcity, excess water in cities and micro-pollutants in the water cycle. It will thus have impact across the EIP Waters thematic priorities and cross-cutting issues, particularly on Water reuse & recycling, Water and wastewater treatment, Water-energy nexus, Ecosystem services, Water governance, and DSS & monitoring.

Agency: European Commission | Branch: FP7 | Program: CP-FP-SICA | Phase: ENV.2011.3.1.1-2 | Award Amount: 4.78M | Year: 2011

Saph Pani addresses the improvement of natural water treatment systems such as river bank filtration (RBF), managed aquifer recharge (MAR) and wetlands in India building on a combination of local and international expertise. The project aims at enhancing water resources and water supply particularly in water stressed urban and peri-urban areas in different parts of the sub-continent. The objective is to strengthen the scientific understanding of the performance-determining processes occurring in the root, soil and aquifer zones of the relevant processes considering the removal and fate of important water quality parameters such as pathogenic microorganisms and respective indicators, organic substances and metals. Moreover the hydrologic characteristics (infiltration and storage capacity) and the eco-system function will be investigated along with the integral importance in the local or regional water resources management concept (e.g. by providing underground buffering of seasonal variations in supply and demand). The socio-economic value of the enhanced utilisation of the attenuation and storage capacity will be evaluated taking into account long-term sustainability issues and a comprehensive risk management. The project focuses on a set of case study areas in India covering various regional, climatic, and hydrogeological conditions as well as different treatment technologies. The site investigations will include hydrological and geochemical characterisation and, depending on the degree of site development, water quality monitoring or pre-feasibility studies for new treatment schemes. Besides the actual natural treatment component the investigation may encompass also appropriate pre- and post treatment steps to potabilise the water or avoid clogging of the sub-surface structures. The experimental and conceptual studies will be complemented by modelling activities which help to support the transferability of results.

Agency: European Commission | Branch: FP7 | Program: CP | Phase: ICT-2007.1.1 | Award Amount: 21.00M | Year: 2008

Key objectives of EUWB are i) to explore the enormous economic potential of the ground-breaking Ultra-Wideband (UWB) radio technology, ii) to extend the UWB concept with advanced cognitive radio, multiband/multimode networking, and multiple antenna system concepts, iii) to enable the introduction of advanced services and competitive applications using the radio spectrum in a sophisticated manner.\nThe advanced scientific and technical project work will be accompanied by activities in European and world wide regulation and standardisation bodies in which EUWB partners are highly committed. As a key for economic success of UWB, the project partners will continue to devote significant efforts to participation in CEPT ECC, IEEE, ITU, ETSI, and ECMA working towards consensus building and iterative improvement of the initial European and world-wide UWB regulation and standardisation.\nUWB technology enables gigabits per second short range communications and inherent precise real-time location tracking. Prominent examples to be implemented in the EUWB project are the Intelligent Home environment, the Public Transport environment, the Automotive environment and the Next Generation of Heterogeneous Public Access Network environment, following a strong demand from the mentioned industry sectors.\nEUWB is an industry-led initiative of 22 highly regarded industrial, consulting, and academic organisations. It builds on previous projects, such as PULSERS, and take into account stakeholders of the whole value chain. Major aim is to consolidate the technology advances in scientific areas related to UWB and to define system concepts for the envisaged four application areas. The results will be materialised in four application platforms built on the open UWB technology developed in EUWB. Besides integration in the AIRBUS plane, the DAIMLER car, the PHILIPS future home, and the TELEFNICA access network, scientific studies will guide industry to gain competitiveness with their UWB system.

Lehmann R.,Dresden University of Applied Sciences
AVN Allgemeine Vermessungs-Nachrichten | Year: 2015

This contribution describes an automatic method, which can be applied to classical geodetic computation problems. Starting from given input quantities (e. g. coordinates of known points, measurements) computation opportunties for all other relevant quantities are found. For redundant input quantities a multitude of different computation opportunties exists, which are all found automatically, and their results are computed. If the computation is non-unique, but only a finite number of solutions exist, then all solutions are found and computed. By comparison of the different computation results there is the opportunity to detect gross errors in the input quantities and to produce a robust final result. The method does not work stochastically, so no stochastic model of the observations is required. The description of the algorithm is illustrated with the help of examples. The method was implemented as a webserver script and is available for free in the internet.

Gestring I.,Dresden University of Applied Sciences
Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST | Year: 2016

Green supply chain design considers besides costs and service level as well the environmental impact. There is a trade-off in terms of costs and environmental impact between the size of warehouses and the transport mode and transport frequency. High frequent deliveries with trucks result in high emission during transport, but low emission during the storage process. Less frequent delivery with trains or ships have a lower emission during transport, but the items must be stored for a longer time and so need more space in a warehouse. The consequences are illustrated with a case study. The total CO2emission and the eco-efficiency are calculated. © ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2016.

Agency: European Commission | Branch: FP7 | Program: CP | Phase: ICT-2009.1.4 | Award Amount: 3.37M | Year: 2010

Over the past years, the deployment of sensor networks into industrial environments attracted a lot of several business domains. Therefore, an increasing number of applications are developed in several business domains, ranging from defence, public security, energy management and traffic control to health care. Sensor networks are particularly interesting due to their ability to control and monitor physical environments. Nevertheless, several technical (e.g. remote management, deployment) and security (e.g. users privacy, data confidentiality and reliability) challenges deter that integration. The present proposal aims at supporting and securing the integration of sensor networks into large scale industrial environments.In the scope of TWIST, we will identify number of use cases, from nuclear plant facility to supply and demand energy management, which illustrate the integration of sensor networks into industrial environments. From those use cases, users privacy, node authentication or data reliability appear as the most important security requirements.The TWIST project will provide a platform enabling business application to command and control sensor network in a secure and trusted way. Integrating commercial off-the-shelf or pre-standard devices, that platform will serve as a mediation layer between the sensor network and industrial applications. Empowered with security architecture addressing the major business application security requirements (e.g. users privacy, data confidentiality, reliability), that platform will be validated based on the identified use cases. Finally, the scientific and technical outcome of TWIST will be its contribution to standards, such as IETF 6lowpan. These standards will be enhanced to make them capable of addressing the use cases proposed by the project.

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