Simulink Control Design™ - MathWorks

Adding Constraints on the Tuned Variables Inspection of the controller obtained above shows that the second PI controller has ne ...

with Kp = -3.07, Ki = -0.425 Name: PI_V Continuous-time PI controller in parallel form. This is due to the negative signs in the ...

showTunable(ST) Block 1: rct_distillation/PI_L = 1 Kp + Ki * --- s with Kp = 17.9, Ki = 2.44 Name: PI_L Continuous-time PI contr ...

with Kp = 14.4, Ki = 1.97 Name: PI_V Continuous-time PI controller in parallel form. ----------------------------------- Block 3 ...

Similarly, use the tunablePID object to parameterize the two PI controllers: PI_L = tunablePID('PI_L','pi'); PI_V = tunablePID(' ...

The results are similar to those obtained in Simulink. See Also looptune | looptune (slTuner) More About “Tuning of a Digital M ...

Tuning of a Digital Motion Control System This example shows how to use Control System Toolbox™ to tune a digital motion control ...

The digital controller must be tuned to maximize the production speed of the machine without compromising accuracy and product q ...

Figure 2: Digital controller Tuning is complicated by the presence of a flexible mode near 350 rad/s in the plant: G = linearize ...

Compensator Tuning We are seeking a 0.5 second response time to a step command in angular position with minimum overshoot. This ...

Measurement = 'Measured Position'; % controller input Control = 'Leadlag'; % controller output ST1 = looptune(ST0,Control,Measur ...

The tuned response has significantly less overshoot and satisfies the response time requirement. However these simulations are o ...

y = yout.signals.values; step(T1), hold, plot(t,y,'r--') legend('Continuous','Hybrid (Simulink)') Current plot held The simulati ...

adequate stability margins and small overshoot. One remedy is to add a notch filter as shown in Figure 3. Figure 3: Digital Cont ...

zeta1.Minimum = 0; zeta1.Maximum = 1; % 0 <= zeta1 <= 1 zeta2.Minimum = 0; zeta2.Maximum = 1; % 0 <= zeta2 <= 1 N = ...

To verify that the notch filter performs as expected, evaluate the total compensator C and the open-loop response L and compare ...

This Bode plot confirms that the plant resonance has been correctly "notched out." Discretizing the Notch Filter Again use write ...

Current plot held The Simulink response exhibits small residual oscillations. The notch filter discretization is the likely culp ...

legend('Continuous','Discretized with ZOH','Discretized with Tustin',... 'Location','NorthWest') The ZOH method has significant ...

y = yout.signals.values; step(T2), hold, plot(t,y,'r--') legend('Continuous','Hybrid (Simulink)') Current plot held Direct Discr ...