Motor Design
A | Motor Design | |
A1 | Flux linkage, Ld, Lq, back emf (FE) | |
A2 | kt using FE | |
A3 | Torque and ripple (cogging, rated and peak) | |
A4 | Back emf and terminal voltages | |
A5 | Flux linkages | |
A6 | Iron losses | |
A7 | Demagnetisation | |
A8 | Torque vs gamma | |
A9 | Drag Torque | |
A10 | Torque-speed curve | |
A11 | Steady State Thermal | |
A12 | Transient Thermal | |
A13 | Active short circuit | |
A14 | Battery disconnect | |
A15 | Winding Proximity losses | |
A16 | Forces in the tooth/ Magnet | |
A17 | Maps, Efficiency, Torque, Losses | |
A18 | Inductance matrix | |
A19 | Optimisation using genetic algorithm | |
A20 | Other short circuit simulations | |
A21 | Magnet eddy current losses |
Methodology: Analytical, FE 2D and FE 3D
Softwares: MotorDesigner, SPEED, Opera, MotorCAD, Ansys Maxwell, Infolytica Plugin for AutoCAD, JMAG, Flux, EMWorks
B | Control | |
B1 | Vector control, Sine Triangle PWM, ideal | |
B2 | Vector control, SVPWM, ideal | |
B3 | Vector control, current hysteresis control switching(bang bang control) | |
B4 | Direct control of torque and flux (DTC), ideal | |
B5 | Co-simulation with direct FE for vector control with Sine triangle PWM | |
B6 | Co-simulation with direct FE for vector control with SVPWM | |
B7 | Co-simulation with direct FE for vector control with current hysteresis control switching | |
B8 | Co-simulation with direct FE for direct torque (and flux) control | |
B9 | Vector control, Sine triangle PWM, Non-linear flux linkage motor model | |
B10 | Vector control, SVPWM, Non-linear flux linkage motor model | |
B11 | Vector control, current hysteresis switching control, , Non-linear flux linkage motor model | |
B12 | Direct Torque (and flux) Control, Non-linear flux linkage model | |
B13 | Current harmonic injection to minimise the torque ripple using co-simulation with direct FE | |
B14 | Current harmonic injection to minimise the torque ripple using non-linear flux linkage motor model |
C | Full or Partial Real Time Simulations – (HIL, PIL, SIL, etc) and embedded systems programming | |
C1 | Autocode (C++) generation using embedded coder for TMS320 and TMS570 for vector control with Sine triangle PWM | |
C2 | Autocode (C++) generation using embedded coder for TMS320 and TMS570 for vector control with SVPWM | |
C3 | Autocode (C++) generation using embedded coder for TMS320 and TMS570 for vector control with current hysteresis switching | |
C4 | Autocode (C++) generation using embedded coder for TMS320 and TMS570 for direct torque (and flux) control | |
C5 | Autocode generation dspace HIL simulation | |
C6 | Non-linear motor model (flux linkage lookup table) for real time systems | |
C7 | Non-linear motor model (flux linkage lookup table) for real time system | |
D |
Power Electronics Simulations – Under development | |
Multi-physics analysis on bond wires for EM forces, mechanical stress and thermal stress
Loss model and comparison of Si, SiC and GaN devices |
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E | Mechanical Design/ Structural Analysis (FE) | |
Mechanical stress in rotor at high speed
Modal analysis of stator EM forces Stress due to electromagnetic forces in the steel (Co-simulation of structural FE and electromagnetic physics) Acoustics due to electromagnetic forces |
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F | Cooling System/ CFD and Thermal FE | |
Spiral cooling channel in the stator housing for inner rotor pmsm
Thermal FE and iron losses (co-simulation of thermal FE and electromagnetic physics) |