文件列表:

LICENSE.md (1486, 2023-12-22)
PmsmDriveOptimization.prj (175, 2023-12-22)
SECURITY.md (389, 2023-12-22)
data/ (0, 2023-12-22)
data/SaturationLossMap.mat (404784, 2023-12-22)
data/SystemParams.m (2833, 2023-12-22)
data/igbt_Infineon_FS200R07A1E3_params.mat (1263, 2023-12-22)
data/output/ (0, 2023-12-22)
data/output/inner_estim.mat (2318, 2023-12-22)
data/output/outer_estim.mat (2277, 2023-12-22)
models/ (0, 2023-12-22)
models/components/ (0, 2023-12-22)
models/components/PMSM.slx (39977, 2023-12-22)
models/components/PMSM_Controller.slx (81001, 2023-12-22)
models/components/inverter/ (0, 2023-12-22)
models/components/inverter/AveragedInverter.slx (38357, 2023-12-22)
models/components/inverter/SwitchingInverterIdeal.slx (37722, 2023-12-22)
models/components/inverter/SwitchingInverterTabulated.slx (38524, 2023-12-22)
models/pmsm_foc_drive.slx (80364, 2023-12-22)
overview/ (0, 2023-12-22)
overview/html/ (0, 2023-12-22)
overview/html/pmsm_foc_drive_optimization.html (148105, 2023-12-22)
overview/html/pmsm_foc_drive_optimization.png (2288, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_01.png (92004, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_02.png (25942, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_03.png (78101, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_04.png (28279, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_05.png (34362, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_06.png (20642, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_07.png (58141, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_08.png (80037, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_09.png (32512, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_10.png (132617, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_11.png (69710, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_12.png (132617, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_13.png (28054, 2023-12-22)
overview/html/pmsm_foc_drive_optimization_14.png (36774, 2023-12-22)
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# **Motor Efficiency Improvements With Optimized Control Parameters** [](https://www.mathworks.com/matlabcentral/fileexchange/104840-motor-efficiency-improvements-with-tuned-control-parameters) [](https://matlab.mathworks.com/open/github/v1?repo=mathworks/pmsm-drive-optimization) ## Overview PMSM drive using imported FEM data and optimized Field-Oriented Control (FOC), with supporting design scripts that: 1. Determine open-loop frequency response and check stability margins. This requires Simulink Control Design, using the Frequency Response Estimator block. 2. Determine the optimal d-axis and q-axis currents that minimize overall motor losses when delivering a commanded torque and speed. The Electric Drive is implemented using: 1. A detailed Simscape Electrical nonlinear motor model in the form of tabulated flux linkages and Steinmetz coefficients. For more information, see [this example](https://www.mathworks.com/help/physmod/sps/ug/import-ipmsm-flux-linkage-data-from-motor-cad.html). 2. A Field-Oriented Controller (FOC) that has been optimized to minimize motor losses. ### **Drive System** The drive is parameterized for a 70 kW (maximum power), 150 Nm (maximum torque) motor, suitable for an electric vehicle powertrain. The supply is a 500 V DC source.  ### **Field-Oriented Controller Architecture** The PMSM Field-Oriented Controller subsystem has an outer loop of speed control, and an inner loop of current control. The outer loop determines the current references for the inner loop.  ### **Motor Loss Map** The motor losses depend on d-axis and q-axis currents, and rotor speed. Motor losses are a combination of copper losses and iron losses.  ### **Optimal Field Currents** The *ControllerOptimization.mlx* Live Script computes the optimal d-axis and q-axis current references that minimize motor losses, in function of rotor speed and reference torque.  ### **Optimization Validation**  ### **Power Losses for Step Load** The test scenario is a reference speed of 3000 rpm and a torque load stepped from 0 Nm to 50 Nm at t=0.1s.  You can notice the lower motor losses when using optimized control parameters. ## Setup Open the project file *PmsmDriveOptimization.prj* to get started. - Run *workflows/ControllerOptimization.mlx* to compute the optimal control parameters. - Run *workflows/FreqResponseAnalysis.mlx* to check the control system stability margins. This is computationally intensive. ### MathWorks Products (https://www.mathworks.com) Requires MATLAB release R2021b or newer. - [Simscape](https://www.mathworks.com/products/simscape.html) - [Simscape Electrical](https://www.mathworks.com/products/simscape-electrical.html) - [Simulink](https://www.mathworks.com/products/simulink.html) - [Simulink Control Design](https://www.mathworks.com/products/simcontrol.html) - [Control System Toolbox](https://www.mathworks.com/products/control.html) - [Optimization Toolbox](https://www.mathworks.com/products/optimization.html) ### Getting Started To learn more about modeling and simulation with Simscape, please visit: * [Simscape Getting Started Resources](https://www.mathworks.com/solutions/physical-modeling/resources.html) ## License The license is available in the License file within this repository. ## Community Support [MATLAB Central](https://www.mathworks.com/matlabcentral) Copyright 2022 The MathWorks, Inc.

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