621 Angewandte Physik
Refine
H-BRS Bibliography
- yes (10)
Departments, institutes and facilities
Document Type
- Part of a Book (5)
- Article (2)
- Conference Object (2)
- Book (monograph, edited volume) (1)
Keywords
- Festigkeitslehre (1)
- HTS (1)
- Lehrbuch (1)
- Statik (1)
- fully superconducting generator (1)
- power converter (1)
- synchronous generator (1)
- wind energy (1)
The design of a fully superconducting wind power generator is influenced by several factors. Among them, a low number of pole pairs is desirable to achieve low AC losses in the superconducting stator winding, which greatly influences the cooling system design and, consecutively, the efficiency of the entire wind power plant. However, it has been identified that a low number of pole pairs in a superconducting generator tends to greatly increase its output voltage, which in turn creates challenging conditions for the necessary power electronic converter. This study highlights the interdependencies between the design of a fully superconducting 10 MW wind power generator and the corresponding design of its power electronic converter.
Asymmetric threats require powerful surveillance technology which helps to preserve the security. Security checks which focus on Improvised Explosive Devices (IED’s) or the identification of persons carrying hazardous substances are the major task of our research within the HAMLeT+ (Hazardous Material Localization and Person Tracking) project. Further on, there is a pressing need for assisting the security personnel, either civil or military, by extending the detection capabilities and to deliver efficient and reliable, real time decision support for their task to percept threats. Military camp protection with heterogeneous net-worked sensors and comprehensive sensor data fusion could be such an element. The technology developments concentrate on the integration of different sensor types (video, tracking sensors, CBRNE sensors) in order to get a better and comprehensive understanding in a defined entry area. Data fusion is used to combine kinematic data of persons (where, when) with additional attribute information of them (what) in order to identify that single person carrying the attributes and to classify the threat. The project was initiated as a Supporting Activity funded by the EU within the PASR 2006 scheme. With regards to the specific task for military camp protection it was extended and redesigned. In HAMLeT+ several chemical sensors for hydrocarbons like fuels, alcohols or solvents were used. Such chemicals are available in bigger amounts on the free market. Using them e.g. as fire accelerants they can cause a huge damage. Therefore their detection or the detection of persons carrying such substances or having contaminations on their clothes is of great interest. Sensitive devices for the detection of these analytes are e.g. metal oxide sensors [1]. Our presentation illustrates experimental data, which were gathered with the experimental system HAMLeT+ during the NATO “Defense Against Terrorism (DAT)” campaign „COMMON SHIELDS” in August and September 2008.
We introduce our Lessons Learned from the NATO CNAD PoW “Defense Against Terrorism (DAT)” campaign „COMMON SHIELD” from August and September 2008, present our data and illustrate our experience, which were gathered with the experimental system HAMLeT+ (Hazardous Material Localization and Person Tracking Plus) for military camp protection. The focus of „COMMON SHIELD” was the network-centric operation and demon-stration of innovative technologies for Intelligence, Surveillance, Reconnaissance and Target Acquisition of Terrorists (ISRTA). With regard to the specific task for military camp protection, the original demonstrator HAMLeT [1], which was initiated as a Supporting Activity funded by the EU within the PASR 2006 scheme, was extended and redesigned as HAMLeT+. In HAMLeT+ several chemical sensors for hydrocarbons like fuels, alcohols or solvents were used. The identification of persons carrying hazardous substances and the classification of those substances are the major task of our research. Further on, there is a pressing need for assistance systems for the guards, to extend the spectra of detection capabilities and to receive efficient and reliable, real time decision support for the task to percept threats, which so far could not even be realized at an entry control facility. Security assistance by means of heterogeneous net-worked sensors and comprehensive sensor data fusion could be such an element for better protection. New technological developments concentrate on the integration of different sensor types (video, tracking sensors, CRE sensors) in order to get a better and comprehensive understanding of potential threats in a defined area. Multiple sensors data fusion can be used to combine complementary types of data e.g. kinematic data of objects (where, when) with additional attribute information (what) in order to identify those objects carrying the attributes of interest and give a classification of the potential threat.
Dieses Buch ganz besonders dazu geeignet, Studierenden in den ersten Semestern den Zugang zur Technischen Mechanik zu öffnen und ihnen dabei zu helfen, diese gefürchtete Prüfung des Maschinenbaustudiums erfolgreich zu bestehen. Mit rund 120 Beispielen und Aufgaben mit detaillierten Lösungen sowie Fallstudien zu interessanten mechanischen Fragen.