Master Thesis: Predictive Hybrid Pre-Charge & Current-Injection Control for Reducing Output-voltage
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This Master Thesis project investigates a predictive hybrid pre-charge and auxiliary current-injection circuit to improve transient performance and reduce output-voltage droop in switching power supplies. Students will design, simulate, and experimentally evaluate the proposed circuit, gaining hands-on experience with control theory and power electronics.
Ansvarsområden
- Design, simulate, and experimentally evaluate a hybrid transient-support circuit.
- Characterize the existing SMPS and identify causes of output droop.
- Develop a model of the converter, output capacitor, load, and pre-charge circuit.
- Design a controlled auxiliary energy-storage and current-injection stage.
- Add feedforward from the load-enable or load-current signal.
- Develop feedback to regulate output voltage and auxiliary current.
- Investigate adaptive pre-charge levels for different load conditions.
- Analyze interaction between the SMPS control loop and the fast correction loop.
- Validate the design using laboratory measurements.
Krav
- Mathematics: differential equations, small-signal modeling, feedback and control theory.
- Electronics: MOSFET transistor behavior, PWM and current mode control, inductor, transformers, and capacitors.
- Simulation skills: LT-spice, MATLAB/Simulink, and Python.
Önskade kvalifikationer
- Thesis suitable for two students.
Förmåner
- Outstanding opportunity to use skills and imagination.
- Work on challenging problems.
- Join a team of diverse innovators.
- Opportunity to craft what comes next.
Färdigheter
PythonMATLABLT-spiceSimulink
#master thesis#predictive control#power supply#electronics#research
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Företag
EricssonPublicerade jobb
för 1 månad sedan
Anställningstyp
Praktik
Arbetsform
På plats
Erfarenhetsnivå
Student
Platser
Lund, Sweden
Kvalifikation
Masterexamen
Sökande
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