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How to achieve fan rpm with increasing step size?

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sudarshan Kanse
sudarshan Kanse el 27 de Feb. de 2023
Comentada: sudarshan Kanse el 1 de Mzo. de 2023
I have a Simulink model in that I want to achieve fan rpm speed by increasing up to 1500 rpm. I have used a 1-dimensional table that includes temperature and revolutions per minute. So my rpm depends upon the temperature. But if the temperature is 50, the fan rpm will go to 1500 rpm. In this case, fan rpm should increase with a step size. How can I achieve this?
  1 comentario
sudarshan Kanse
sudarshan Kanse el 27 de Feb. de 2023
I have attached the scope results. When I increase temp from 20 to 50, it will go in step size. But when my temp is 50, the fan rpm will go 1500rpm. So want to achieve this 1500 rpm with a step size.

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Fangjun Jiang
Fangjun Jiang el 28 de Feb. de 2023
The "step" increase you saw is probably determined by your lookup data and simulation step size.
What you really need is probably the "Rate Limiter" block. It limits how fast a signal can increase or decrease its value.

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