Essays about: "Pulse Width Modulation"

Showing result 1 - 5 of 48 essays containing the words Pulse Width Modulation.

1. 1. FPGA Based Control of Multiple Electric Machines for Marine Propulsion Systems

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Simon Weideskog; [2024]
   Keywords : FPGA; Field Oriented Control; BLDC; SVPWM; SMO; Electric Drives; Electric Machines; Sliding Mode Observer; Marine Propulsion; Multiple Machines; Boat Motor; Fältorienterad styrning; marin framdrivning; elektriska drivsystem; elmaskiner; flertal maskiner; båtmotor;

   Abstract : This master thesis addresses the control of electric propulsion motors in a marine context. The focus lies mainly on the implementation of field oriented control (FOC) in a field programmable gate array (FPGA). The hypothesis is that FPGAs provide performance advantages over microcontroller-based control solutions by enabling parallel processing. READ MORE

3. 2. Pulse-width voltage modulation in the Python-based open-source simulator Motulator : A Realization of SVPWM, Harmonic analyzer and Over-modulation on Two and Three-level Inverters, and a Solution for Unbalanced Neutral Point Voltage on Three-level Inverters

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Jiale Deng; [2023]
   Keywords : Three-level inverters; over-modulation techniques; space vector modulation; neutral-point voltage balancing; non-uniform Fourier transform; Trenivåväxelriktare; övermodulation; spacevektormodulering; balansering av nollpunktsspänning; olikformig Fouriertransform;

   Abstract : Controlling the dynamic outputs of electrical machines has always been an essential topic in aerospace, automotive and other industries. Electrical machine control consists of several components, each of which can be controlled in various ways. Whereas the dynamic responses are mostly simulated using MATLAB/SIMULINK, Prof. READ MORE

4. 3. Analogue Circuit for Detection of Ageing Phenomena in Electric Drives

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Yudong Lin; [2023]
   Keywords : Electric Drives; Ageing Process; Pulse-Width Modulation; Ringing Current; Peak Holder; Analogue Circuits; Elektriska drivsystem; Åldringsprocess; Pulsbreddsmodulering; Ringningar i strömmen; Toppvärdesdetektor; Analog krets;

   Abstract : This master thesis presents an analogue peak holder circuit design aimed at facilitating the non-invasive inspection of the ageing process in electric drives. The ageing process of electric drives is a crucial aspect that demands accurate monitoring to ensure their long-term performance and reliability. READ MORE

5. 4. Dataset Drift in Radar Warning Receivers : Out-of-Distribution Detection for Radar Emitter Classification using an RNN-based Deep Ensemble

   University essay from Uppsala universitet/Avdelningen för systemteknik

   Author : Kevin Coleman; [2023]
   Keywords : Radar Emitter Classification; Pulse Descriptor Word; Out of Distribution Detection; Dataset Drift; Uncertainty Estimation; Deep Ensembles; Recurrent Neural Networks; LSTM;

   Abstract : Changes to the signal environment of a radar warning receiver (RWR) over time through dataset drift can negatively affect a machine learning (ML) model, deployed for radar emitter classification (REC). The training data comes from a simulator at Saab AB, in the form of pulsed radar in a time-series. READ MORE

6. 5. Designing an electrical peak-shaving system for households appliances

   University essay from Uppsala universitet/Institutionen för elektroteknik

   Author : Martin Hellgren; Erik Andersson; [2023]
   Keywords : ;

   Abstract : In this report you will be introduced to a prototype solution for a peak shaving solution. The purpose with this project is to is to help the consumers reduce their power consumption with help of pulse width modulation but also steer the consumer into a more sustainable power consumption livelihood. READ MORE