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Solve this problem ONLY in MATLAB, please attach the entire script. Please note that for part A , C , D and E the final
Solve this problem ONLY in MATLAB, please attach the entire script. Please note that for part and the final answers are given.
A continuous ball mill with four classes of particle sizes, constant total mass and perfect mixing throughout the mill, where only class and class particles are fed, is described by the mathematical model:
Where is the mass fraction of particles of class in the mill, is the selection rate of breaking of particles of class and is the breakdown distribution of particles of class in class
for where class are the largest particles and class the smallest. The mill feed has a mass fraction class particles, whose value occasionally irregular.
The turnover frequency the mill manipulated with the mass flow fed the mill conveyor belts achieve the desired mass fraction class particles.
Manipulated input variable: Disturbance: State variables: Output variable: Model parameters:
Find the numerical values the steady state when Answer for this section:
Linearize the model, write into deviation variables, and substitute numerical values into the linearization matrices.
Determine the system controllable and observable. Answer for this section: observable and controllable.
Obtain the transfer functions and and determine the zeros and poles each. Answer for this section:
determine the open loop stability. Answer for this section: stable
For the conditions the previous section, determine the range values that guarantee that the closed loop a feedback control scheme stable.
For the conditions the previous section, determine the ultimate frequencies.
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