Simulink Control Design™ - MathWorks

ans(:,:,2) = 0.1733 + 0.0000i -0.8866 + 0.0000i ans(:,:,3) = 0.5114 + 0.0000i -0.8229 + 0.0000i ans(:,:,4) = 0.0453 + 0.0000i -0 ...

Feedback Control Strategy To prevent thermal runaway while ramping down the residual concentration, use feedback control to adju ...

The target concentration Cref ramps down from 8.57 kmol/m^3 at t=10 to 2 kmol/m^3 at t=36 (the transition lasts 26 minutes). The ...

subplot(212), plot(t,interp1(CrEQ,TrEQ,C)) title('Corresponding reactor temperature at equilibrium'), ylabel('Tref'), grid Contr ...

% Constrain closed-loop poles of inner loop with the outer loop open R2 = TuningGoal.Poles('Tc',MinDecay,MinDamping); R2.Opening ...

Figure 1: Gain-scheduled PI controller for concentration loop. 11 Gain-Scheduled Controllers ...

Figure 2: Gain-scheduled lead compensator for temperature loop. Tuning this gain-scheduled controller amounts to tuning the look ...

points along the Cref trajectory. Use the tunableSurface object to parameterize each gain as a quadratic function of Cr. The "tu ...

You can now use systune to tune the controller coefficients against the requirements R1-R4. Make the stability margin requiremen ...

Note that rate of change of the coolant temperature remains within the physical limits (10 degrees per minute or 5 degrees per s ...

subplot(323), viewSurf(TGS.Kt), ylabel('Kt') subplot(324), viewSurf(TGS.a), ylabel('a') subplot(325), viewSurf(TGS.b), ylabel('b ...

rate limits (controller output du matches effective temperature variation dTc). The reactor temperature stays close to its equil ...

Figure 3: Transition with gain-scheduled cascade controller. Controller Tuning in MATLAB Alternatively, you can tune the gain sc ...

clf subplot(321), viewSurf(setBlockValue(Kp,T)), ylabel('Kp') subplot(322), viewSurf(setBlockValue(Ki,T)), ylabel('Ki') subplot( ...

You can further validate the design by simulating the linear responses at each design point. However, you need to return to Simu ...

Tuning of Gain-Scheduled Three-Loop Autopilot This example uses systune to generate smooth gain schedules for a three-loop autop ...

Integral (PI) control in the pitch rate loop and proportional control in the and loops. The closed-loop system (airframe and aut ...

(^2) Tune the controller gains for the linearized dynamics at each operating condition (^3) Reconcile the gain values to provide ...

Use operspec to specify the trim condition, use findop to compute the trim values of and , and linearize the airframe dynamics f ...

Tunable Gain Surface The autopilot consists of four gains to be "scheduled" (adjusted) as a function of and. Practically, this m ...