Transfer function model from block diagram

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Peter Dauksch
Peter Dauksch 2025-1-29
回答： Paul 2025-1-29
Hello, i am facing difficulties in translating the transfer function of the block diagram above into Matlab.
I do have the control systems toolbox.
for the system plant, I have
tf_1 = feedback(tf([1],[I_wh 0]),c_vis); % small loop with c_vis
tf_2 = series(tf([1/R],[L/R 1])*3/2*kT, tf_1) % series of tf_1 and motor tf
tf_system_plant = series(feedback(tf_2,ke),tf([J 0],1))
The upper two paths in the controller can be summarized as
tf_ctrl1 = parallel(tf(k_omega,[1 0]),tf(k_phi,[1 0 0]))
But I do not know how to include the feedback loop of the reaction torque and the feed forward component k_alpha.
Any help is appreciated!

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采纳的回答

Paul
Paul 2025-1-29
The easiest way, IMO, is to use connect. Feel free to post back here if you still have questions after reading the doc page and trying it out.

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