• General Second-Order Systems We can draw Bode plots for the following cases using a similar procedure: Bode plots for higher-order systems are discussed next.
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Add the Bode plots graphically.

Main advantage of Bode plot! Fall 2008 6 10-2 10-1 10 0 10 1 10 2 19 19.

To draw Bode diagram there are four steps:.

Sketch Bode plot of each factor, and 2. Note: By looking at a Bode diagram you should be able to determine the relative order of the system, its break frequency, and DC (steady-state) gain.

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The high frequency asymptote of the gain is K ( ω τ) n.

4, the DC motor transfer function is described as: G(s) = K (s + 1 / τe)(s + 1 / τm) Then, system poles are located at: s1 = − 1 τm and s2 = − 1 τe, where τe and τm represent the electrical and mechanical time constants of the motor. Note: By looking at a Bode diagram you should be able to determine the relative order of the system, its break frequency, and DC (steady-state) gain. (1) 2 jω We call ω = 1 , the break point.

41 rad/s Pole/Zero w Sp2,3 = -1+1j Total Gradient Bode Diagram Why = 0.

. A: Bode plots are a actually a set of graphs which show the frequency response of a system. .

The frequency response, taken for , has a DC amplitude of:. 5 1 Bode.

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BODE DIAGRAMSBode diagrams constitute a convenient way to represent the frequency response characteristics of a system. 1.

The standard block diagram of a single-input single-output (SISO) feedback control system (Figure 4. The approach can be used to sketch Bode plots for overdamped second-order systems (which can be expressed as a connection of two first-order systems).

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Figure 1.

00000001 : 1. This process should also be reversible, i. 2.

frequency plot of a Bode diagram, we superposition all the lines of the different terms on the same plot. . 2 Bode Plots. 5 ± j 6. The standard block diagram of a single-input single-output (SISO) feedback control system (Figure 4. Craig 2 • Time delays or dead-times (DT’s) between inputs and outputs are very common in industrial processes, engineering systems, economical, and biological systems.

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644 wn) or underdamped (w3dB > 0. 5 0 0.

We know that the continuous-time transfer function will be G.

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given a transfer function, be able to plot.

The response of this system to.

5 0 0.