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Modelling and experimental testing of an innovative Sabatier reactor for a Power-to-Gas plant.
The scope of this dissertation is the development of a state observer for Power-to-Gas (PtG) plants. A physical performance model of an innovative reactor concept for different …
Electrochemical Processes for Metallization of Novel Silicon Solar Cells.
Within this work electrochemical processes for manufacturing of novel silicon solar cells are investigated. Direct plating of Ni and Al on n- and p-silicon is demonstrated by …
Gain Scheduling Pitch Control for Fatigue Load Reduction for Wind Turbines.
Three different control design methods have been investigated, and will be discussed regarding their advantages and disadvantages: (1) Classical linear PID (Proportional Integral …
Load Reducing Control for Wind Turbines.
In wind turbine engineering, it is a well-known fact that mechanical loading of the structural components, as tower and blades, can be heavily influenced by means of control. This …
Quantum Technologies.
Modelling and simulation of low-temperature district heating systems for the development of an exergy-based assessment method.
Low temperature district heating (LTDH) offers possibilities for efficient heat supply based on renewable energies. For the analysis of LTDH, the exergetic assessment is a suitable …
Heavily n-type doped silicon and the dislocation formation during its growth by the Czochralski method.
Heavily doped silicon is required for devices such as PowerMOSFETs. For the devices to be as sufficient as possible it is necessary to lower the electrical resistivity of the …
Switch Observability for Differential-Algebraic Systems.
Switch observability is a new observability concept for switched systems with unknown switching signals that is useful in the context of fault detection and identification. This …
Ultrashort Laser Pulses for Electrical Characterization of Solar Cells.
The ability to provide highly accurate performance evaluations of photovoltaic devices has never been more important given the recent, and anticipated, progress in photovoltaics. …
GaN-Based Tri-Gate High Electron Mobility Transistors.
The rapidly-growing data throughput rates in a wide range of wireless communication applications are pushing the established semiconductor device technologies to their limits. …
FutureHotel - Token Economy.
Mathematical models for the simulation of combined depth and cake filtration processes.
In this work, mathematical models for combined depth and cake filtration are developed. Their formulation is either based on a moving or free boundary description. For the free …