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Joel Van Sickel

MathWorks

Last seen: 1일 전 2020 이후 활성

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Bug Simulating Thermal Losses for a Rectifier based on Foster Model
Hello, the issue here is that the system is calculating less than ideal initial conditions. The foster model's have the "start...

5일 전 | 0

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Find duty cycle of DC-DC buck-boost converter in Matrix
You should use "./" instead of "/", this changes it to a vector operation instead of a matrix operation.

5일 전 | 0

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How to update simulink model sample time dynamically during simulation?
Hello Kepler, This is a common issue where execution of code does not happen at fixed intervals. The main way of modelling thi...

5일 전 | 0

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Why do i get an an assertion error << Supply-side voltage must be greater than zero>> when trying to simulate a Dc-Dc converter ?
Hello, sorry for the late response, as this won't be useful to you, but the question got popped up again because of another use...

5일 전 | 0

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Why do we optimize these parameters and not the R &C, and what are the equations used in identifying these parameters
Hello Hend, parameter estimation uses stochastic processes (random) to randomly change parameters of a model and then determine...

15일 전 | 0

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The following two blocks cannot be connected in series: Block 1: 'A_stator: Asynchronous Machine SI Units' Block 2: 'Series RLC Branch2
This is a common issue when using specialized power systems. Inductors are modelled as current sources and cannot be in series ...

15일 전 | 0

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Closed loop discrete PI controller
Hello, please use the references on this page to dive deeper into designing closed loop control for boost converters. https://...

18일 전 | 0

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This is a picture of dfig controller in older version of matlab . in new version fcn block is not available i want represent these transformations what should i do?
Hello, this functionality can still be used, if in a slightly different block. Here are all user defined blocks that you can c...

18일 전 | 0

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Long simulation time by combining BEV and PV modelling in SIMULINK
Hello Hamizah, thank you for sharing your model. I can give you some specifics now. The first issue is that the battery is im...

18일 전 | 0

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Is there any code for calculation for Distribution of Relaxation Times (DRT) in Time domain for battery data?
Out of the box, there is not a quick way to do this. However, there are tools such as the controls system toolbox, system ident...

22일 전 | 0

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I need 6 pulse thyristor logic in formula or blocks
You can right click the block and select Mask-> look under mask to see the implementation logic.

22일 전 | 0

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Connecting Ideal Translational Motion Sensor for velocity measurement in Simscape
Hello Sudeep, it looks like there is a "short circuit" between your force source in and out ports. The 2 port mass block makes...

22일 전 | 0

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Modeling RG220 coaxial cable using a PI section line
Hello, the power line parameters tool box determines paramter predominantly from geometry, and doesn't need all information on ...

약 2달 전 | 0

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for the reading pwm, what is the unit of the 200 in the block? because it can be tune more than 255.
Simulink by default can tune a constant block to any value, it does not know that the input must be limited to 255 unless you sp...

약 2달 전 | 0

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답변 있음
Matlab Code for PV array with bypass and blocking diodes
Hello Oghenero, unfortunately, this forum is specifically for questions about MathWorks tools, not equations that are programmi...

약 2달 전 | 0

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Asynchronous Machine runs in reverse when no voltage is applied.
The issue is that you are applying a non zero torque to the machine. This is a constant torque which will put a rotational forc...

약 2달 전 | 0

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답변 있음
Unable to connect input of modeled PMSM to inverter output
Hello Anwesha, you can start here and do not need your own equations: https://www.mathworks.com/help/physmod/sps/ug/three-phase...

약 2달 전 | 0

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trying to replicate the paper :"Thermal Impacts on the Performance of Nanoscale-Gap Thermophotovoltaic Power Generators"
If you need help learning to convert an equation into matlab code, or with plotting, please take this free introductory course t...

약 2달 전 | 0

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Why is the Double Acting Actuator not working?
Hello Raphael, there needs to a bit more information in this model for the simulation to know what to do. When you model fluid...

약 2달 전 | 1

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How to display different frequencies all at once onto the Spectrum Analyzer in Simulink?
Hello Kei, the first issue is how the sin is being generated. The blocks you are using package the sine output into frames, so...

약 2달 전 | 0

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답변 있음
Three phase time varying load
The issue is how your circuit is set up. You need a snubber resistor to ground (for all three phases) because you can't have tw...

약 2달 전 | 0

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what type of simulations and analysis can be done using Simulink on an electric motor, battery and motor contoller
Please start with this example: https://www.mathworks.com/help/physmod/sps/ug/three-phase-pmsm-drive.html;jsessionid=973818b691b...

약 2달 전 | 0

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Transfer function of full bridge inverter and LLC circuit.
As there are switching devices, you either need to use averaging techniques to extract it analytically (do it by hand) or you ca...

2달 전 | 0

답변 있음
Some initial guidance with creating a microgrid model for typical mining application using simulink ?
Hello, Here is an example to get started: https://www.mathworks.com/help/physmod/sps/ug/24-hour-simulation-of-a-vehicle-to-grid...

2달 전 | 0

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Bidirectional converter for an energy storage system
Hello, unfortunately, there is not enough information from the screen shot to know for sure what is wrong. If possible, share ...

2달 전 | 0

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How to find frequency of the signal coming from an inverter output, simulink?
you attatch the scope to voltage and current measurement outputs. You have a voltage measurement right there that you could att...

3달 전 | 0

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The following two blocks cannot be connected in series
Hello Arian, this is a limit based on how that block is implemented. You can either put a larger resistor in parallel with tha...

3달 전 | 0

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Parameters of "Generic supercapacitor model" is that of a single cell or the entire stack?
Hello Gokul, the first three parameters are for the super capacitor as a whole (Total). It uses the number of series and paral...

3달 전 | 0

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How can I find the source of an ssc_build() error when the stack trace doesn't list the offending file
This one: V2 = ee.additional.spice_sources.volt_pulse(V1={-1e-3,'V'},V2={1e-3,'V'},TD={0,'s'},TR={500e-9,'s'},TF={500e-9,'s'}, ....

3달 전 | 0

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Modelling a voltage controlled current source
This looks like it creates an algebraic loop. It's easier to do this type of modelling using simcape: https://www.mathworks.com...

3달 전 | 0

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