Simulink Memory Block: Integration & Inherit Sample Time

In summary, the conversation discussed the concept of a major integration step in a block, which involves using the input signal to calculate an output value through a process called integration. This can be done using different numerical integration techniques. Additionally, it was mentioned that if the inherit sample time option is chosen, the block will inherit the sample time from the source block, resulting in the output being sampled at the same rate as the input signal.
  • #1
Cdz
21
1
upload_2015-8-17_20-20-37.png

Ok,here is the problem. The block holds and delays the input signal for some time but what is a major integration step?Where is the integration?And if we choose inherit sample time,from where does the block inherit sample time?
 
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  • #2
A major integration step is when the block uses the input signal to calculate an output value. This is done through a process called integration, which means that the input signal is used to update the output value based on changing conditions. The integration step can be performed using various numerical integration techniques, such as Euler's method or the Runge-Kutta method.If we choose inherit sample time, the block inherits the sample time from the source block. This means that the output of the source block will be sampled at the same rate as the sample rate of the input signal.
 

What is a Simulink Memory Block?

A Simulink Memory Block is a special type of block used in the Simulink environment to store and retrieve data during simulation. It allows you to save and access data at different points in a simulation, making it useful for implementing memory in your models.

What is the purpose of Integration & Inherit Sample Time in a Simulink Memory Block?

The Integration & Inherit Sample Time feature in a Simulink Memory Block allows you to specify the sample time of the block and whether it should inherit the sample time from the input signal. This is important for ensuring that the block operates at the correct rate and that the data is properly synchronized.

How do I set the sample time for a Simulink Memory Block?

To set the sample time for a Simulink Memory Block, you can right-click on the block and select "Block Parameters." From there, you can choose the integration method and specify the sample time in the "Sample time" field.

Can I use a Simulink Memory Block in a continuous-time system?

Yes, a Simulink Memory Block can be used in both continuous-time and discrete-time systems. However, it is important to ensure that the block's sample time is correctly specified for the system in which it is being used.

Are there any limitations to using a Simulink Memory Block?

While Simulink Memory Blocks are useful for implementing memory in models, they do have some limitations. For example, they cannot be used in a conditionally executed subsystem or in a model with variable step solvers. It is also important to carefully consider the sample time selection to ensure proper functioning of the block within the model.

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