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Deterministic Distributed Sparse and Ultra-Sparse Spanners and Connectivity Certificates
(2022)Master Thesis -
Robust control design towards flexible guidance for reusable space-launch vehicles
(2022)Rocket reusability is a key-factor for a sustainable and cost-effective future of aerospace applications. Commercial space companies, such as SpaceX and BlueOrigin, have already integrated successfully reusability by landing their launch vehicles back to Earth and reusing them for future space missions. However, there are still open challenges with respect to descent and landing phases of reusable vehicles. From a guidance and control ...Master Thesis -
Studying Behaviour Emergence in Multi-Agent Daily Life Simulation
(2022)Digital worlds offer an excellent opportunity for dynamic storytelling. However, adding inhabitants to a digital world that can adjust to their environment and express interesting unscripted behavior is challenging. This thesis proposes a method to combine short-term planning with long-term optimization to spark emergent behavior and maximize agents’ fitness to the environment. We show that our approach can reliably demonstrate emergent ...Master Thesis -
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Impact of natural hazards on global ecosystems
(2021)Natural hazards are a driver of ecological dynamics as they alter individual species, community structure and entire ecosystems. Their ecological impact can be highly variable over space and time: perceived by some species as disastrous but vital for the survival of others. The ability of a system to cope with such events is called ecological resilience and depends on biotic and abiotic factors, as well as the disturbance legacies. With ...Master Thesis -
Scheduling for MIG-Capable GPUs
(2021)The development of heterogeneous CPU-GPU systems for modern data centers in recent years increased the computational power massively. Multi-Instance GPUs (MIGs) allow to split a single physical GPU into multiple independent instances. Thus, more than one user can get exclusive acces to the same physical GPU. However, there are many different configurations for a single MIG-capable GPU that need to be controlled by a central instance. ...Master Thesis -
Sparse Learning in System Identification: Debiasing and Infinite-Dimensional Algorithms
(2021)In the traditional system identification techniques, a priori model structure is widely assumed to be available and the unknown parameters of the assumed model structure are estimated by maximizing the adherence of the assumed model structure to the experimental data. However, selecting the model structure can be problematic, sometimes leading to overfitting. Recent developments in the regularization based system identification methods, ...Master Thesis -
Online Feedback Optimization for Emergency Power System Operation
(2021)With increasing intermittent distributed power generation, emergency situations in the power system are more likely to occur. Current emergency operation in power systems is mostly based on manual remedial actions. The growing number of distributed generation devices add complexity to emergency operation and make decisions on remedial actions harder. In this thesis, a feedback optimization (FO) controller for emergency power system operation ...Master Thesis