Réponse apportée

Create a repeating sequence without interpolation

There are three repeating sequence blocks in Simulink. With the right choice for Lookup Method, the block Repeating...

Create a repeating sequence without interpolation

There are three repeating sequence blocks in Simulink. With the right choice for Lookup Method, the block Repeating...

plus d'un an il y a | 0

| A accepté

Réponse apportée

Simulink start takes long time to compile

If you have not done so already, I suggest you run Simulink Performance Advisor tool on your model. The Tool knows lots of grea...

Simulink start takes long time to compile

If you have not done so already, I suggest you run Simulink Performance Advisor tool on your model. The Tool knows lots of grea...

plus d'un an il y a | 0

Réponse apportée

calling fi(var1, var2,..varN) in matlab function in a simulink model asks for constant values for input 2 to N

I don't know if there is or is not a way to make the MATLAB Function block recognize that W_HDISP as a constant at update diagra...

calling fi(var1, var2,..varN) in matlab function in a simulink model asks for constant values for input 2 to N

I don't know if there is or is not a way to make the MATLAB Function block recognize that W_HDISP as a constant at update diagra...

plus d'un an il y a | 0

Réponse apportée

Unit Delay block is supposed to be NOT a DIRECT FEEDTHROUGH But in documentation it is said YES

The Delay Block and the Unit Delay Block are subtly complicated especially with regard to Direct Feedthrough. Whether or not Di...

Unit Delay block is supposed to be NOT a DIRECT FEEDTHROUGH But in documentation it is said YES

The Delay Block and the Unit Delay Block are subtly complicated especially with regard to Direct Feedthrough. Whether or not Di...

plus d'un an il y a | 1

| A accepté

Réponse apportée

How to remain the bits of input signal port unchanged after using fixed-point tool?

LockScale prevents changes by Fixed-Point Tool Often some signals and parameters in a model are mandated early in the design pr...

How to remain the bits of input signal port unchanged after using fixed-point tool?

LockScale prevents changes by Fixed-Point Tool Often some signals and parameters in a model are mandated early in the design pr...

plus d'un an il y a | 0

| A accepté

Réponse apportée

Is it possible to disable compiling before simulating in Simulink?

Simulink Fast Restart is exactly what you want (assuming you are not making structural changes to your model between simulations...

Is it possible to disable compiling before simulating in Simulink?

Simulink Fast Restart is exactly what you want (assuming you are not making structural changes to your model between simulations...

plus d'un an il y a | 2

| A accepté

Réponse apportée

Nonlinear plant in simulink

The key is to model Y(k+1) to Y(k) using a unit delay. The output of the unit delay is the input value from one time step earl...

Nonlinear plant in simulink

The key is to model Y(k+1) to Y(k) using a unit delay. The output of the unit delay is the input value from one time step earl...

plus d'un an il y a | 0

Réponse apportée

Mask parameter value is ignored with HDL Counter word length

Model Reference is not compatible with what you are trying to do. As an alternative, consider creating a Simulink library and pu...

Mask parameter value is ignored with HDL Counter word length

Model Reference is not compatible with what you are trying to do. As an alternative, consider creating a Simulink library and pu...

plus d'un an il y a | 1

| A accepté

Réponse apportée

help required for fixed point conversion

Mapping an A2D to a fixed-point data type One way to map an A2D converter to a fixed-point data type is to use two real-world-v...

help required for fixed point conversion

Mapping an A2D to a fixed-point data type One way to map an A2D converter to a fixed-point data type is to use two real-world-v...

plus d'un an il y a | 0

| A accepté

Réponse apportée

help required for fixed point conversion

The number 395 is how many times that block in the model overflowed during the previous simulation. Suppose the element was a da...

help required for fixed point conversion

The number 395 is how many times that block in the model overflowed during the previous simulation. Suppose the element was a da...

plus d'un an il y a | 0

Réponse apportée

help required for fixed point conversion

Hi Gary, That portion of your model will involve 4 data types. Digital measurement of output signal from analog plant Set poi...

help required for fixed point conversion

Hi Gary, That portion of your model will involve 4 data types. Digital measurement of output signal from analog plant Set poi...

plus d'un an il y a | 0

Réponse apportée

Overflows when I use Fixed-Point Tool

Two Kinds of Overflows Fixed-Point Tool presents two types of overflows, Actual and Potential. Actual Overflows Actual overfl...

Overflows when I use Fixed-Point Tool

Two Kinds of Overflows Fixed-Point Tool presents two types of overflows, Actual and Potential. Actual Overflows Actual overfl...

plus d'un an il y a | 0

| A accepté

Réponse apportée

Problem with Simulink.NumericType after AUTOSAR-XML (ARXML) import

To simulate the model with the fixed-point data types and see bit-true behavior will require a Fixed-Point Designer license. Ho...

Problem with Simulink.NumericType after AUTOSAR-XML (ARXML) import

To simulate the model with the fixed-point data types and see bit-true behavior will require a Fixed-Point Designer license. Ho...

plus d'un an il y a | 0

Réponse apportée

Can we replace parameter value with parameter name while generating C code from model?

Please see the documentation Macro Definitions (#define) - MATLAB & Simulink (mathworks.com)

Can we replace parameter value with parameter name while generating C code from model?

Please see the documentation Macro Definitions (#define) - MATLAB & Simulink (mathworks.com)

plus d'un an il y a | 0

Réponse apportée

Am I missing something, or is the Tip wrong?

Hi, The advise is generally correct. Turning off Integer Saturation and allowing the math to wrap modulo 2^N will lead to lea...

Am I missing something, or is the Tip wrong?

Hi, The advise is generally correct. Turning off Integer Saturation and allowing the math to wrap modulo 2^N will lead to lea...

plus d'un an il y a | 1

| A accepté

Réponse apportée

Why is my Simulink data type randomly changing?

Yes, this is most likely due to attribute propagation. You likely have an underspecified "chicken and egg loop" in your model. T...

Why is my Simulink data type randomly changing?

Yes, this is most likely due to attribute propagation. You likely have an underspecified "chicken and egg loop" in your model. T...

plus d'un an il y a | 1

| A accepté

Réponse apportée

What is the efficient code?

Simple Ansewer: Use shift approach unless multiplicative constant is really big In my experience, the multiply by constant foll...

What is the efficient code?

Simple Ansewer: Use shift approach unless multiplicative constant is really big In my experience, the multiply by constant foll...

plus d'un an il y a | 0

Réponse apportée

Method of Real number multiplication operation

Quick Answer: Shifts are Multiply or Divide by a Power of Two Shift left of M bits is equivalent to multiplication by 2^M wh...

Method of Real number multiplication operation

Quick Answer: Shifts are Multiply or Divide by a Power of Two Shift left of M bits is equivalent to multiplication by 2^M wh...

plus d'un an il y a | 0

| A accepté

Réponse apportée

Trouble using fixed point type conversion in Simulink

Check rounding and overflow handling mode By default, the Data Type Conversion block rounds to Floor and Wraps overflows. In c...

Trouble using fixed point type conversion in Simulink

Check rounding and overflow handling mode By default, the Data Type Conversion block rounds to Floor and Wraps overflows. In c...

plus d'un an il y a | 0

| A accepté

Réponse apportée

What is the "net slope"

Net slope is used in fixed-point operations to achieve agreement of scaling. The slopes of all the variables involved in an oper...

What is the "net slope"

Net slope is used in fixed-point operations to achieve agreement of scaling. The slopes of all the variables involved in an oper...

plus d'un an il y a | 0

| A accepté

Réponse apportée

Simulink model converts floating-point numbers to fixed-point numbers

Suggestion consider using modByConstant Since the "denominator" of your modulos are constants, you my wish to use the modByCons...

Simulink model converts floating-point numbers to fixed-point numbers

Suggestion consider using modByConstant Since the "denominator" of your modulos are constants, you my wish to use the modByCons...

plus d'un an il y a | 0

Réponse apportée

Simulink model converts floating-point numbers to fixed-point numbers

By default zeros() gives double Your output is double because of how it is initialized with the zeros() function n = 3; m = 4...

Simulink model converts floating-point numbers to fixed-point numbers

By default zeros() gives double Your output is double because of how it is initialized with the zeros() function n = 3; m = 4...

plus d'un an il y a | 0

| A accepté

Réponse apportée

Data type conversion changes the value of the signal

Why cast to single has large quantization error. The cast from fixed-point to single will use single precision for constants an...

Data type conversion changes the value of the signal

Why cast to single has large quantization error. The cast from fixed-point to single will use single precision for constants an...

presque 2 ans il y a | 0

| A accepté

Réponse apportée

Data type conversion changes the value of the signal

Brief answer The original value 0.1 is between two representable values (0.099609375 and 0.1005859375) of the type being quanti...

Data type conversion changes the value of the signal

Brief answer The original value 0.1 is between two representable values (0.099609375 and 0.1005859375) of the type being quanti...

presque 2 ans il y a | 0

Réponse apportée

Time delay threshold for constant output

I suggest you start by writing down on paper the equations or pseudo code that you think will solve the requirements of your pro...

Time delay threshold for constant output

I suggest you start by writing down on paper the equations or pseudo code that you think will solve the requirements of your pro...

presque 2 ans il y a | 0

Réponse apportée

Error in Divide Block - System Generator

The System Generator is a Simulink add-on product developed by AMD (Xilinx). The data types mentioned in the error message, Fix...

Error in Divide Block - System Generator

The System Generator is a Simulink add-on product developed by AMD (Xilinx). The data types mentioned in the error message, Fix...

presque 2 ans il y a | 0

| A accepté

Réponse apportée

Remainder of a division operation in System Generator

Consider restructuring your design to work in units of revolutions instead of in degrees. In that case you only need to perform ...

Remainder of a division operation in System Generator

Consider restructuring your design to work in units of revolutions instead of in degrees. In that case you only need to perform ...

presque 2 ans il y a | 0

| A accepté

Réponse apportée

Simulink Moving Average block not averaging according to the window length specified

Hi Shani, Please create a simplified model that exercises the Moving Average Block in isolation. Create a test input sequence...

Simulink Moving Average block not averaging according to the window length specified

Hi Shani, Please create a simplified model that exercises the Moving Average Block in isolation. Create a test input sequence...

presque 2 ans il y a | 0

Réponse apportée

Floating-Point to Fixed-Point Conversion of IIR Filters

Hi, Examples often depend on supporting files. To successfully run these examples, all the files needed by the example need to ...

Floating-Point to Fixed-Point Conversion of IIR Filters

Hi, Examples often depend on supporting files. To successfully run these examples, all the files needed by the example need to ...

presque 2 ans il y a | 0

Réponse apportée

FAQ: Why does a value look more precise when displayed in MATLAB or Simulink than in the generated code?

Textual Representation is Often an Approximation The textual representation of values displayed in MATLAB and Simulink is ofte...

FAQ: Why does a value look more precise when displayed in MATLAB or Simulink than in the generated code?

Textual Representation is Often an Approximation The textual representation of values displayed in MATLAB and Simulink is ofte...

presque 2 ans il y a | 1

| A accepté