A5060505974- Parallel Computing and Optimization Techniques
- Embedded Systems Design Techniques
- Machine Fault Diagnosis Techniques
- Real-Time Systems Scheduling
- Smart Grid Energy Management
- Power Transformer Diagnostics and Insulation
- Physics and Engineering Research Articles
- Interconnection Networks and Systems
- Magnetic Properties and Applications
- Non-Destructive Testing Techniques
- Smart Grid Security and Resilience
- Optimal Power Flow Distribution
- Engineering Diagnostics and Reliability
- Power Line Communications and Noise
- Vibration and Dynamic Analysis
- Power System Reliability and Maintenance
- Technical Engine Diagnostics and Monitoring
- Metallurgy and Material Forming
- Advanced Electrical Measurement Techniques
- Refrigeration and Air Conditioning Technologies
- Electrical Fault Detection and Protection
- Building Energy and Comfort Optimization
- Electric Motor Design and Analysis
- Advanced Software Engineering Methodologies
- Power Quality and Harmonics
Munich University of Applied Sciences
2019-2024
Omron (Japan)
2017
TU Dortmund University
2012-2013
University of Augsburg
2003-2010
Augsburg University
2003-2006
Engineers who design hard real-time embedded systems express a need for several times the performance available today while keeping safety as major criterion. A breakthrough in is expected by parallelizing applications and running them on an multi-core processor, which enables combining requirements high-performance with timing-predictable execution. parMERASA will provide timing analyzable system of parallel scalable multicore processor. goes one step beyond mixed criticality demands: It...
This paper proposes a processor core that allows to support the autonomic computing principles in embedded hard-real-time systems. The simultaneous multithreaded CAR-core features hardware-integrated scheduling schemes isolate thread from non-real-time threads. It is binary compatible with Infineon's TriCore and designed as IP for system-on-chip. challenge design implement multithreading such cannot influence timing behavior of another order allow predictable execution times. Therefore new...
The frequency response analysis (FRA) is a known highly sensitive method to detect mechanical and electrical defects in power transformers. Investigations already showed, that this technique applicable broken windings or shorted turns rotor stator of rotating machines. Here, the applicability FRA other was investigated, like rods damping synchronous machines squirrel cage induction motors, which often can be detected only by disassembling machine. reason lies design: as well cages have no...
This paper defines a real-time capable interface between the simultaneous multithreaded CarCore processor and MOLEN-based reconfigurable unit. is an IP core that enables execution of one hard-real-time thread further non-real-time threads. The coupling described in this extends by hardware such both can execute different threads simultaneously, while realtime behavior not harmed. challenge design common memory for both, hardware, operations fulfil constraints. Experimental results with MJPEG...
Electrical rotating machines are often system-relevant in their application. To avoid unplanned failures, the regularly checked for faults. A novel way to do this is SFRA method. It non-invasive and can be carried out with little effort short measurement time. Furthermore, it possible detect different faults magnetic or electrical circuit simultaneously. The main objective of present paper give theoretical background new For purpose, empirical measurements on fifteen synchronous induction...
This paper defines a real-time capable interface between the simultaneous multithreaded CarCore processor and MOLEN-based reconfigurable unit. is an IP core that enables execution of one hard-real-time thread further non-real-time threads. The coupling described in this extends by hardware such both can execute different threads simultaneously, while realtime behavior not harmed. challenge design common memory for both, hardware, operations fulfil constraints. Experimental results with MJPEG...
This paper presents a real-time Java hardware and software system for use in embedded applications. The includes multithreaded microcontroller, an adapted Virtual Machine (JVH) extended application programming interface (API). microcontroller core is designed with pipeline support scheduling algorithms. consists of trap routines complex byte-codes, garbage collection class loader creating data structures. On higher level, the provides easy thread management access to components like serial...
Electrical equipment constitutes a considerable economic asset value for the distribution- and transmission system operators. Many network in electrical networks have long intrinsic lifetimes most of which exceed 40 years. It is crucial performance operators to make optimal use over time therefore they should apply Asset Management (AM). Extending life one solution AM focus this paper. This paper present results from CIRED working group WG 2020-1 Lifetime extension options equipment. The...
In the billion transistor era only a few architectural approaches propose new paths to improve execution of conventional sequential instruction streams. Many legacy applications could profit from processors that are able speed-up beyond performance current superscalar processors. The Grid arithmetic logic unit (ALU) Processor (GAP) accelerates streams without need for recompilation. GAP comprises processor front-end similar extended by configuration and two-dimensional array functional units...
Several studies have shown, that the SFRA method is not only suitable for transformers but also rotating machines as a tool reliable condition diagnosis. Is has ability to sensitively detect diverse faults, which influence frequency response in different ranges. Therefore, assessment of machine possible. Even faults are directly electrical measuring circuit an effect on and therefore detectable. Examples rod ruptures damper cage synchronous or broken rods squirrel cages induction machines....
The increasing number of decentralized energy resources and the growth controllable loads, especially e-mobility, cause new challenges for stable operation grids. Demand side management to reduce power peaks is one possible alternative grid reinforcements, allows minimization peak loads thus increase efficiency. Within this research work a concept load electric vehicles developed. following paper analyses current regulatory framework based on existing German laws customer contracts realize...
This paper presents a new power management technique integrated into multithreaded microcontroller with built-in real-time scheduling schemes. Power is done by hardware based on the Guaranteed Percentage scheme. The applied saving mechanisms are frequency reduction, dynamic voltage scaling and pipeline gating. Our evaluation showed that for given workload an average processor utilization of 22.6% frequent change in range 0% to 58% energy consumption could be reduced 12.7% required system...
Paris agreement signed up from nearly 200 countries in 2015 achieving climate protection goals has led to further package of measures. Governments all over the world decided focusing expansion renewable energies. This target influences operation and planning energy grids. One new challenge for stable grids is interplay difficult-to-predict feed-in decentralized resources load consumption. Especially photovoltaic systems feed into low voltage grid, where measurement data are rarely available....
Due to the planned profound expansion of photovoltaic systems and charging points in Germany, stress on German low-voltage grids is increasing. To relieve grid during peak load feed-in periods, an approach for a decentralized, self-sufficient control flexible loads was developed project FLAIR2. In real laboratory, measurement data are collected tested field. The aim this research define well-functioning algorithm diverse configurations without having set individual parameters. Based data,...