How could I go about creating a variable load for a CubeSat at different modes of operation, using conditional logic?
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I am trying to simulate the power subsystem of my team's cubesat, and I have started a simple simulation. The goal is to measure the power useage of the cubesat over an orbital period. The cubesat has three modes of operation that are relevant here: talking, idle, and imaging mode. I am modelling the loads of each of the subsystems using resistors, solving for their values from the total voltages and the power consumption.
I am stumped on how to approach varying the loads in different modes, I was thinking of using a multi-port switch but I do not think this is what I am looking for. I am looking for some way to use conditional logic (if time within the orbital period is x, turn this branch on, if its x>a, turn this other branch on).
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Dallas Perkins
2024-4-19
Hi Chris,
Stateflow is a great tool to model modes and conditional logic. You could use a Stateflow chart to control values feeding into variable resistors based on mode, or switch on/off different fixed-value resistors. If you know the load wattage you could also use the dynamic load block.
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