irrigation controller analog circuit my course is l inear control system , i hav

Question

irrigation controller analog circuit

my course is linear control system , i have to do a project but a new idea not bloated before in the internet , mu course description :

Analysis and design of feedback control systems, Block diagram and signal flow graph system models, Servomechanism characteristics, steady-state errors, sensitivity to parameter variations and disturbance signals, Time domain performance specifications, Stability, Root locus, Nyquist, Bode diagram analysis, Design of compensation circuits, Closed loop frequency response determination, Introduction to time domain analysis and design.

today i have to sumbet

the modeling and characteristic of the motor with the sensor

define the gain and the time constant

Explanation / Answer

Characterstics of the motor with the sensor are torque/Speed curve and another is power curve.touque is inversly proportional to the speed of the outer portion of the motor shaft.
here is a relation between between how much torque a motor delivers, and how fast the output shaft spins.
The linear model of a D.C. motor torque/speed curve is a very good approximation
power curves for a D.C. motor with respect to both speed and torque are quadratics.

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