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Currently my simulation time is between 0–50s but I just want to get parameters like RMS or overshoot between 20–35s and 35s-50s. I tried changing the time-span and time-offset in the View tab but the graph shows completely wrong and the result is also wrong.

ANSWER

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  1. Put the Scope block inside an Enabled Subsystem.
  2. Use…


I have a complex stateflow subsystem which has given me less coverage while using simulink coverage and simulink design verifer license. Is there any formal method to resolve the missing coverage without using simulink Test license nor do I use reactis license

My approaches so far

I have even tried generating multiple .cvt files (coverage files) but thats not helping me to maximise the coverage.

Does entering range of min and max values of inputs help to maximise the coverage.

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fm = get_fimath();

idx = fi(1,0,1,0,fm);
a = (idx+fi(2,0,2,0,fm))*fi(1/3,0,16,17,fm);
k = fi(a,0,17,0,fm)

function fm = get_fimath()
fm = fimath('RoundingMethod', 'Floor',...
'OverflowAction', 'Wrap',...
'ProductMode','FullPrecision',...
'MaxProductWordLength', 128,...
'SumMode','FullPrecision',...
'MaxSumWordLength', 128);
end

This code is generated when using the Matlab Coder . I want to know why is k equal to zero? Is it because of division 1/3?

ANSWER

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Dear All,

I have a code into a MATLABFUNCTION block of Simulink that jump out this error message “

Variable ‘CONDICIONTRAMO’ is not fully defined on some execution paths. Function ‘Battery_Control/Function_Cruz_v2’ (#25.1881.1895), line 57, column 12: “CONDICIONTRAMO” Launch diagnostic report.”

Anyone of you can help me out to find the way to solve this ? Please.

function [SOC_CC, Bat_charge] = BUsage(top, SOC, SOC_Seg, SOCint, W_demand, Power_PV)
if SOC>=SOC_Seg
SOC_CC=0;
Bat_charge=0;
return
else
if SOC>=SOCint
SOC_CC=1…

Hi there.

I’ve found a lot of models on simulink of DFIG’s using the simscape ‘asynchronous machine block’. The left side of the machine with “Tm, A, B, C” inputs represents the stator side.

When the machine is operating as a generator why is it that we supply a voltage to the stator, this doesn’t really make sense to me as the stator is producing active power fed to the grid/load. In operation as a machine it makes sense however.

I also undertsnd that the rotor requires an input current for magnetisation and therefore to induce a voltage.

Could anyone…


I would like to change the default settings of the configuration parameters for Simulink.

ANSWER

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The default settings for the Configuration Parameters can be changed as follows:

1. Go to File->Preferences->Simulink->Simulation in the MATLAB desktop

2. Click “Launch model explorer” button

3. In Model Explorer, select “Configuration preferences” on left pane.

4. In middle pane…


Hello, my model is generally about a mobile charging station where a robot picks up a battery from the charge station and drives it a particular car, charges the car and returns the battery to the station

My stateflow model has an input vector called batLevel (carrying the state of charge for four different batteries) gotten from Simulink using the “vector concatenate” block. I appleid a graphical for loop function (pickBat which has input as batLevel) to check the values of the batLevel vector. If batLevel(i) == 100 then battery i should be disconnected from charge station by setting charge(i)…


How do I correct the ‘Invalid root outport connection in the referenced model ‘referenced_model’ error in Simulink 7.2 (R2008a)?

I have a model, which contains a referenced model. When I update the main model I receive the following error:

Invalid root outport connection in the referenced model 'referenced_model'. Two different blocks drive the root Outport block 1. To be a valid connection, the root Outport block must be driven by one source port.  Use the 'Invalid Root Inport and Outport block connection' option on the 'Model Referencing' group of the Diagnostics page of the Configuration Parameters dialog box to…


Code generated for a division operation with ‘Floor’ rounding and ‘int32’ output datatype is generating a Polyspace Defect: ‘Sign Change Integer Conversion Overflow’. The supposed overflow occurs in the code where the absoute value of the numerator is calculated. When the numerator is negative, the value is cast as an uint32_T before calculating the two’s complement to make it positive. I don’t understand how this can overflow. Is this a bug with Polyspace?

Example:

int32_T div_s32_floor(int32_T numerator, etc ...)
{
uint32_T absNum;
...
absNum = (numerator < 0) ? ((~((uint32_T)numerator)) + 1U): ((uint32_T)numerator);
... …


Hi all,

I have outport block in a subsystem.

In outside subsystem, there is block connect with this outport block.

I want to get property of that outside block by command line.

Do any know?

ANSWER

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For your specific query, follow these steps:

First get the line handles of your chosen subsystem.

blk_lines = get_param('model/subsystem','LineHandles');

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