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stability or accuracy in making model, which one is more important?
The importance of stability versus accuracy in model development depends on the specific context and goals of the project. Accur...

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how can i implement cdma technique using matlab?
A good starting point to learn about this topic is: https://www.mathworks.com/help/comm/ug/gsm-cdma-and-wimax-channel-models.h...

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how to change phasor type to discrete type
In 2012 I don't think this was easy to do. Since R2023a, an interface to connect a Discrete Phasor network to Discrete network i...

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for loop hanging in mfile
Is the while (abs(g(j)) > 0.001) that is causing the problems as abs(g(j) is always greater than 0.001. The algorithm may also b...

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dynamically changing inductance value
If using Simscape it is possible to use a Variable Inductor block: https://www.mathworks.com/help/sps/ref/variableinductor.html...

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How is calculate the current through the condensator?
The capacitor is described by I=C(dV/dt) where I is current, C is capacitance, V is voltage, and t is time.

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I want to design the loss calculation model of three phase inverter and loss calculation of the motor using the FEM Parameterized PMSM
For simulation with semiconductor switches you cannot use Frequency and time simulation. Frequency and time simulation mode spee...

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I tried to find many papers finding a script of MPPT with shading , but i can't find it . Can you help me? to write this script? In those papers has only simulink
The question is unclear. I would advise to check this Simscape Electrical example as a starting point: https://www.mathworks.co...

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Calculate the torque of PMSM motor (within FOC) , using just the quadrature current and Motor back EMF constant
Considering the back EMF constant as the peak voltage induced by the permanent magnet in the per-unit rotational speed of each o...

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How to connect simpower 2013a circuit connections with simpower 2020a circuit connectons
You are trying to connect two different technologies. In 2020a the two technologies are part of Simscape Electrical. The blue bl...

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hi, im a student from madrid, im trying to model a simple battery with the battery (table-based) block, but im getting a temperature related error
I don’t have the model, but I suspect is issue arises from the data extrapolation. There is a mask parameter ‘Extrapolation meth...

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Function dnlim unrecognized.
In your netlist the function dnlim us called a few times but this function is nt defined anywhere. Therefore, subcircuit2ssc wil...

environ 2 ans il y a | 0

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Creating a 2D Lookup Table for PMSM in EV Applications Using Simulink
Since 2024a, the generateMotorDriveROM function takes a motor drive subsystem and creates a reduced-order model (ROM) in the for...

environ 2 ans il y a | 0

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FOC speed control oscillation
This is probably due to controller parameterization. I suggest trying to use the PID autotuner which can deal with non-linear sy...

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Interface between simscape electrical and specialized power systems
This can be done using Controlled Voltage/Current sources and sensors. However, it is better to use only one technology because ...

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Battery pack(battery builder app) to SOC estimator connection issue
By default, the SOC Estimator blocks do not allow a vector of currents input. To enable cell currents as inputs you need to tick...

plus de 2 ans il y a | 0

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Open-end winding induction motor model simulink
Simscape Electrical has many machines that have the open end configuration exposed. Induction Machine Squirrel Cage has both ~1 ...

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Simulate open loop V/f for induction motor with the given parameters in MATLAB Simulation. Nominal Power : 850 kW
A good starting point to learn more abput V/f (scalar) control of induction machines is this example in Simscape Electrical: ht...

plus de 2 ans il y a | 0

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EV inverter simulation - Simscape electrical vs simscape specialized power systems
The choice would depend on many factors, such as multi-domain simulation, required level of fidelity, and so on. For this applic...

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I want to design the loss calculation model of three phase inverter and loss calculation of the motor using the FEM Parameterized PMSM
Frequency-and-time equation formulation is intended for systems with a single nominal frequency. It is not possible to simulate ...

plus de 2 ans il y a | 0

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Has anyone tried to simulate a multicell DC-DC converter with intercell transformer?
Simscape Electrical can model a multicell DC-DC converter that includes an intercell transformer. While there isn't a dedicated ...

plus de 2 ans il y a | 0

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How can I find the steady state of the Externally Excited Synchronous Motor model?
Starting in R2023b, you must use openExample to open Simscape Electrical example models from the MATLAB Command Window. You can ...

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Connect a PV block model to charge a battery
Simscape Electrical provides many solar examples to start with. Check the Stand-Alone Solar PV DC Power System with Battery Back...

plus de 2 ans il y a | 0

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V/F closed loop control of 3-phase Induction Motor
The PI integrator is too aggressive. Reducing the integral gain will fix the problem in this case. As there is an integrator in ...

plus de 2 ans il y a | 1

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SimPowerSystems PMSM block parameter
The "Back EMF Flat Top Area" refers to the flat region of the Phase back-EMF waveform when the motor is configured for a trapezo...

plus de 2 ans il y a | 0

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What is mistake in the PWM generator for the Dual Active Bridge model I built?
The problem is the Max step size computed by the model. The parameter ‘Max step size’ in the Model Settings/Solver is set to ‘au...

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How to convert controlled pwm voltage block from electrical port to physical port using Matlab 2014a?
The option to have PS input (as opposed to electrical connections) was introduced in R2017b.

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How can I simulate online PSO based MPPT in simulink?
Yes, you can use the MATLAB Function block in Simulink to implement custom code, including a Particle Swarm Optimization (PSO) a...

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Why the different response of two Simulink models?
The two structures are not the same. A PID controller is designed to take an error signal as input, which is the difference betw...

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Problem in generating PWM pulses for DC-DC converter
This line of code is not doing what is intended: m=[0 1],[0.5 0.5];%Message amplitude must be less than Sawtooth to make it wo...

plus de 2 ans il y a | 0