How do I get the DC motor model to match real world

Question

Maarten van den Berg 2015-9-28

0
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https://ww2.mathworks.cn/matlabcentral/answers/245534-how-do-i-get-the-dc-motor-model-to-match-real-world

回答： Arkadiy Turevskiy 2015-10-15

I'm working on a dc motor model, and trying to compare it to the real world. my model can be seen in figure 1. When I use the input given in figure 2, I get the following outputs: Figure 3 angle of the motor (Yellow is simulation, purple is real world); Figure 4 speed of the motor (yellow is simulation, purple is real world). They match pretty well, but when i look at my current, it is way too high. What parameter do I need to adjust to get the current down, and keep the outputs as they are?

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5