Engine Speed controller Simulink
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Hello,
I have been using Engine Speed PI Controller as an example, but I could not understand the equation given in Throttle Angle subsystem i.e. 2.821 - 0.05231*u + 0.10299*u*u - 0.00063*u*u*u
So is it possible to help me with this situation on what are these actual values which are considered above does specify it ?
Thank you for your support.
regards,
Vishal
回答（1 个）
The entire subsystem represents a calculation of the mass flow rate. You can find the equation on the Modeling Engine Timing page.
What you posted represents f(theta) and where u=theta. I haven't read the paper cited in the link above, but I would guess that equation was developed to fit test data based on the description.
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