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seropon [69]
3 years ago
11

Write down a transfer function of a stable system for which pure proportional feedback could drive the system unstable.

Engineering
1 answer:
gtnhenbr [62]3 years ago
6 0

Answer:

Gs = 1 / (s + 1)^3

Explanation:

A system is known to be a stable system if the poles of the system lie on the negative real axis of the s plane.

A system that could be driven unstable by a P-controller would be:

Gs = 1 / (s + 1)^3

As the value of K increases, the closed loop poles move into the right half s plane

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Answer:

Wind energy is converted to Mechanical energy  which is then converted in to  electrical energy

Explanation:

In a wind mill the following energy conversions take place

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Why is it that dislocations play an important role in controlling the mechanical properties of metallic materials, however, they
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Answer:

dislocations play an important role in controlling as

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Water is pumped steadily through a 0.10-m diameter pipe from one closed pressurized tank to another tank. The pump adds 4.0 kW o
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Complete Question

Complete Question is attached below.

Answer:

V'=5m/s

Explanation:

From the question we are told that:

Diameter d=0.10m

Power P=4.0kW

Head loss \mu=10m

 \frac{P_1}{\rho g}+\frac{V_1^2}{2g}+Z_1+H_m=\frac{P_2}{\rho g}+\frac{V_2^2}{2g}+Z_2+\mu

 \frac{300*10^3}{\rho g}+35+Hm=\frac{500*10^3}{\rho g}+15+10

 H_m=(\frac{200*10^3}{1000*9.8}-10)

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Therefore

 Q=\frac{P}{\rho g H_m}

 Q=\frac{4*10^4}{1000*9.81*10.9}

 Q=0.03935m^3/sec

Since

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Therefore

 V'=\frac{0.03935m^3/sec}{7.85*10^{-3}}

 V'=5m/s

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Which physical quantity measures fraction of the input energy a machine actually concerts into output energy ?
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