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Mohamad Nazir


Last seen: ongeveer een maand ago |  Active since 2021

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Connection to target microcontroller error
Hi, I designed an interrupt-based model for object code generation to the target microcontroller including blocks from the targ...

11 maanden ago | 1 answer | 0

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Answered
Turning voltage on/off in a PV Array and DC motor simulation
What do you mean exactly the controlled voltage source does not work? Did you take into consideration that the load torque will ...

12 maanden ago | 0

Answered
how to calculate Zero Sequence inductance(L0)For IPMSM delta connection
The zero sequence inductance can be calculated using L0 = V0open/I​0short​ where V0open​ is the open-circuit voltage for the zer...

ongeveer een jaar ago | 0

| accepted

Answered
How to calculate accurate Sample time for PWM generator block & Current Controller (Here I am using Torque Controller with FOC Controller & 3 Phase IPMSM)
The general rule is Nyquist's theorem which is a sampling frequency at least 10x the frequency of the signal you are trying to s...

ongeveer een jaar ago | 0

| accepted

Answered
in My model I am using torque controller with FOC for IPMSM. How to tune Current Controller PID .Because Current controller have two PID controller.
You can follow the steps of the following example in the link below to tune the current controllers at first and then repeat it ...

meer dan een jaar ago | 0

Answered
What is an efficient way to do PID tuning in a model with long computing time?
You can identify a second order transfer function model of your VFD from the open-loop step response (using overshoot, response ...

meer dan een jaar ago | 1

Answered
What is the wL block circled in blue called in MATLAB?
Hi, isn't this the velocity multiplied by the inductance? this can be implemented by simply using the product block (https://fr....

meer dan een jaar ago | 0

Answered
How can I make a simscape representation of the simulink 'Universal Bridge'
Hi, I think the closest block to the Universal Bridge in the electrical library is https://fr.mathworks.com/help/sps/ref/convert...

meer dan een jaar ago | 0

Answered
Transfer function matrix of a Multiple input DC-DC converter
Hi Mohammad, you can probably use Model Linearizer app (https://fr.mathworks.com/help/slcontrol/ug/modellinearizer-app.html) on ...

meer dan een jaar ago | 0

Answered
Help required for creating a current sink
Hi, depending on which library you are using, you can use one of the blocks below to model a variable resistor such that the cur...

meer dan een jaar ago | 0

| accepted

Answered
Controling multiple switches in a multiple input DC-DC converter
Hi Mohamad, to my understanding you need to have a charging/discharging case which can be simply modelled with a manual switch w...

meer dan een jaar ago | 0

Answered
Explaining the function of certain blocks
When a DC motor is supplied with a fixed value DC voltage, it runs at a constant speed (assuming constant load). To control its ...

bijna 2 jaar ago | 1

| accepted

Answered
How to converge 3 phases of simulink voltage onto a simscape VI measurement which accepts 1 port
All you have to do is right click on the current & voltage sensor, choose Simscape > Modeling option > expanded three-phase port...

bijna 2 jaar ago | 0

Answered
Which block to use for BLDC motor for BLDC speed controller design?
BLDC normally denotes a permanent magnet synchronous machine with trapezoidal back-emf waveform. When the machine is called simp...

bijna 2 jaar ago | 0

| accepted

Answered
How can I implement computation step in simulink?
Hi, Depends on what you are trying to achieve. If you want to implement it in Laplace form, for the first block your a is = T...

meer dan 3 jaar ago | 1

Answered
Error in PWM Generator Vienna Rectifier
Have you tried to simply insert a "round" block or a "data type conversion" block (or maybe both) for "SmallJexNum" in the "PWM ...

meer dan 3 jaar ago | 0