How to store value in simulink
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Hello everyone I am desgning a model in which I need to store a value . For example: there is 2 inputs to the subsystem, input a & b .If a &b both are true, I calculate some values,say, x1 and x2. Now, next time when either a or b is false, I want to use those previously calcutaed values (i.e. when a & b were true). So, is there any way to store x1 and x2 in Simulink to use it later? Thanks in adcance.
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Aquatris
2019년 4월 23일
You can use a "transport delay" block to store the value for the next time step (transport delay to delay the signal 1 time step so that the next time step you will have access to the signal from current time step) . Do you need to store the values for more than 1 time step?
Gabriele Curcio
2022년 5월 6일
I have the same problem, but I need to store values for more than 1 time step. How it's possible to do it?
Thanks in advance
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Ben Cunningham
2019년 4월 23일
편집: Ben Cunningham
2019년 4월 23일
I'd recommend the 'Enabled Subsystem' approach (coincidently the author's favourite as well).
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/215550/image.png)
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Ben Cunningham
2019년 4월 23일
Alternately if you have the DSP System Toolbox the Sample and Hold block would be a neater but comparable solution.
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