When I choose to simulate temperature effects of battery, it takes too much time to simulate

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Ameen Bassam
Ameen Bassam 2025-8-26
回答： CHANDRA BABU GUTTIKONDA 2025-8-30
I am trying to simulate the battery performance during charge and discharge and when I choose to simulate temperature effects of battery, it takes too much time to simulate. I am now working with a variable-step solver with automatic solver selection ans a Continuous powergui block. I tried to change the solver type and the relative tolerance but the simulation still slow.
R2019b

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回答（1 个）

CHANDRA BABU GUTTIKONDA
Simulating battery temperature effects in MATLAB R2019b can be slow because it adds thermal-electrical coupling, making the system stiff and computationally heavy. To improve performance, try switching to a stiff solver like ode15s, increase the relative tolerance slightly, and set a reasonable max step size. Simplifying the thermal model or using a discrete powergui block can also help.

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