How can I implement inertia in my control system?
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Hello,
I want to implement the inertia of a pump (0.102 kg/m²) into my model, but I do not know where to start with this. Could someone help me out with this? I want to use an differential equation if possible (like newton's first law).
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Zack Peters
2016-4-7
Hi Igor,
Your question is a bit vague on what you specifically want to model with this. Moment of Inertia follows to the simple equation of T = Ia.
Here are some Simulink examples which model something a bit more complex with Inertia. Note that a wheel or drive shaft with inertia is going behave much in the same way as the rotating pump will.
http://www.mathworks.com/help/simulink/examples/modeling-an-anti-lock-braking-system.html http://www.mathworks.com/help/simulink/examples/modeling-an-automatic-transmission-controller.html http://www.mathworks.com/help/simulink/examples/building-a-clutch-lock-up-model.html
I'd also like to point out that a physical modeling suite of products (Simscape, Simscape Multibody, Simscape Fluids, etc.) Are designed for modeling physical systems in a much more intuitive way and much of the blocks have equations of motion built into them rather than developing the equations yourself.
~Zack
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