automatic switch set by time simulink

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JULIO JULIP
JULIO JULIP 2015-4-17
评论： Youri Miessen 2021-4-14
Hello, i have a simulink model for small building distribution system, include PV and PU system. Is there any switching method in the matlab simulink, where can automatically trigger/choose from 2 inputs, 1 output and it driven by time (24hour period)?. For example; at time 9am-3pm, switch in A connection; at time 3.01pm-8.59am, switch in B connection. please help..

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Sebastian Castro
Sebastian Castro 2015-4-17
You can
  • Use a Clock block to get the simulation time
  • Use a Math Function block to get the modulo, so time wraps to zero for a new day
  • Use an Interval Test block to check whether you are in the range 9 am - 3 pm
  • Feed that logical signal to your switch
For example, check this screenshot:
- Sebastian
  1 个评论
Youri Miessen
Youri Miessen 2021-4-14
But what if the stepsize is large (f.e. when you are simulating a whole year) and the modulo misses the exact point where it would wrap to zero for a new day?

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