Bachelor theses / Master theses / Diploma theses / Student Assistant

Inline fluid separators separate fluids of different density within a flow channel by centrifugal forces. This is investigated in our group of multiphase flow of air / water mixtures. The separation quality is to be improved by an advanced sensor and control and regulation concept. To this end, image data from wire-mesh sensors upstream and a ECT sensor downstream are to be processed quickly as an input for control based system. To solve this task, which is embedded in a larger EU project, we offer the following cooperation possibilities and topics:

• Development and validation of a control concept (implementation of the controller structure in MATLAB / SIMULINK, software tests)
• Participation in the further development and testing of imaging sensors for multiphase flows
• Tasks in image processing and image data analysis

Electrical engineer student, preferably with a bachelor degree
Skilled in MATLAB/SIMULINK
Good written and verbal communication skills
For control system development key concepts to know/learn:

• Feedback principles (Disturbance attenuation, command signal following, robustness and shaping of behavior)
• System modelling (mathematical representation about the system)
• Dynamic Behavior (equilibrium points, stability, limit cycles)
• Linear systems (approximation of nonlinear systems by a linear one)
• Transfer Function (input/output relation for a linear time invariant system)
• PID controller (Basic properties of proportional-integral-derivative controller)

For image processing:

• Relevant experience with image processing toolbox from MATLAB
• Working knowledge of various image and video standards
• Experience in morphological image processing, filtering, segmentation
• Calculating and implementing signal processing algorithms

3 - 6 months duration for each position