Get 1st element/reading from a Real-time encoder readings
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Ahmet 2022 年 10 月 23 日
コメント済み: Dimitri MANKOV 2022 年 10 月 24 日
I am using an absolute encoder to read my motor in real time through udp on Simulink Real-time, and i would like to save the 1st element from the readings (the position at which the encoder starts at) to use it later on,
I am using the very simple function below, i tried to modify it to include a dynamic array thast stores all values of encoder yet, without success,
Thanks in advance!
function y = Encoder_I(Encoder_Readings)
y = Encoder_Readings(1);
編集済み: Dimitri MANKOV 2022 年 10 月 24 日
How about using a block-based approach instead? You could for example go for something similar to this:
In this case, I use the simulation time to switch between the new data and the data from the previous step, but you can adjust that condition to your use case.
I hope this is helpful!
Certainly! When the simulation starts, the clock signal will start incrementing accordingly. If you know when you expect to receive your first UDP Packet, you can compare the clock signal to that value to trigger the condition that will reuse the first packet's data continuously until the end of the simulation.
In the example screenshot above, that time is set to 1ms. Suppose you have a time step of 1ms and you know with certainty that you will receive data during the first time step, this approach could work.
An alternative would be to monitor the data signal output by the "Receive UDP packets" block, and to trigger the same condition as the one shown in the screenshot above by detecting the first change in the data signal.
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