Contents

1 Program 5.3 Ogata 4edition, second-order system
Let us enter the value of undamped natural frecuecy 5 rad/seg and damping ratio 0.4 by Scilab

2 Program 5.4 Ogata 4edition (response to unit-step input)

Let us draw the response to unit-step input by Scilab (csim, step)

3 Program 5.5 Ogata 4edition (response to step input, damping ratio)

Let us draw the response to unit-step input with the following damping ratios 0, 0.2, 0.4, 0.6, 0.8, 1.0 . by Scilab.(csim, syslin, legends, step)

4 Program 5.6 Ogata 4edition (rise time, peak time, maximum overshoot, settling time)
Let us calculate the rise time, peak time, maximum overshoot and settling time by Scilab.(csim, syslin)

5 Programa 5.8 Ogata 4edition (response to unit-impulse input)

Let us draw the response to unit-impulse input by Scilab(syslin, csim, xgrid, impulse)

6 Program 5.9 Ogata 4edition (response to unit-step input)

Let us draw the response to unit-step input by Scilab(syslin, csim, xgrid, impulse), getting the same answer the the program 5.8.

7 Program 5.10 Ogata 4edition (response to unit-ramp input)

Let us draw the response to unit-ramp input by Scilab (syslin, csim, xgrid, step).

8 Program 5.12 Ogata 4edition (response to unit-ramp input)

Let us draw the response to unit-ramp input by Scilab.(syslin, csim, xgrid)

9 Program 5.14 Ogata 4edition (response to unit-step input)

Let us draw the response to unit-step of Example' 5.9 solution by Scilab (syslin, csim, xgrid, step)

10 Program 5.18 Ogata 4edition (Response to mechanical vibratory system)

Let us draw the solution of Example, response to mechanical vibratory system by Scilab (csim, syslin, legend)

11 Example 5.13 Ogata 4edition (Routh's stability criterion)
Let us calculate Routh by Scilab(routh_t)

12 Problema A.5.8 Ogata 4edition (Equation)
Solve a equation

13 Problem A.5.9 Ogata 4edition (partial-fraction expansion)

Lets do the partial-fraction expansion by Scilab (tf2ss, pfss, clean ) of the system

14 Problem A.5.10 Ogata 4edition (partial-fraction expansion)

Lets do the partial-fraction expansion by Scilab (tf2ss, pfss, clean )

15 Problem A.5.11 Ogata 4edition (response to unit-step and unit-ramp)

Let's plot the system's response to unit-step and unit-ramp input by Scilab (csim, step, syslin, subplot)

16 Problem A.5.12 Ogata 4edition (response to unit-step,rise time, peak time, maximum overshoot and settling time)

Let's plot the system's response to unit-step and calculate rise time, peak time, maximum overshoot and settling time by Scilab (csim, step).

17 Problem A.5.13 Ogata 4edition (response unit-step, damping ratio, undamped natural frecuency)

Let's plot the response to unit-step input for several values of damping ratio 0.3,0.5,0.7,0.8 and undamped natural frecuency 1,2,4,6 by Scilab (csim, step)

18 Problem A.5.14 Ogata 4edition (response to unit-ramp)

Let's plot the response to unit-ramp input and a function by Scilab.(csim)

19 Problem A.5.15 Ogata 4edition (Response to function)

Let's plot the response to input 2+t by Scilab(csim, legends)

20 Problem A.5.16 Ogata 4edition (Response to function)

Let's plot the response of close-loop system to input 0.5* t^2.

21 Problem A.5.23 Ogata 4edicion (offset)
We will demonstrate that the system suffers offset to unit-step input

22 Problem A.5.24 Ogata 4edicion (steady-state error)

We calculate steady-state error of a system. Correction method

23 Problem A.5.25 Ogata 4edition (steady-state error, torque disturbances)
Let's see the system's error with torque disturbances

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