Instrumentation and Process Control
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For the time domain function f(t) = t, the Laplace transform of
`int_0^t f(t)dt` is given by
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What is the Laplace transform of sin t ?
- 3
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The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function `(K(S+1))/(2(2S+1)(3S+1))`
will have a definite num-ber of loci for variation of K from 0 to `oo`. The number of loci is
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A control system has the following transfer function`F(S) = ((S-1)(S+1))/(S(S-2)(S+4))`
The initial value of the corresponding time function is
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Find the ultimate gain and frequency for a proportional controller in the case of a process having the transfer function Gp(s) = 1/(4s + 1)(2s + 1)(s + 1).