When working with any circuit, you need a simple, concise, but complete way of

describing that circuit's performance. What is used, and is the industry standard, is

called the transfer function. Select the choice below that best identifies the

transfer function format.

(1) Gain in dB.

(2) Circuit frequency response.

(3) Ratio of output impedance to input impedance.

(4) Ratio of output signal to input signal .

2. Listed on the left are five (1 through 5) types of controllers discussed in the textbook.

On the right (a through f), is the unique characteristic of each of these five

controllers.

Controller Type Controller characteristic

(1) On/Of f

(2) Proportional

(3) Integral

(4) Proportional-Integral

(5) Parallel Three-Mode (PID)

(a) Rate of change of the output is

proportional to the error.

(b) Must have a deadband, or hysteresis

transfer curve.

(c) Provides a linear response region.

(d) Has rapid proportional response to

error while having an automatic reset

from the integral part that eliminates

residual error.

(e) Good transient response combined

with error elimination,

Select the choice below that matches each controller with its identifying output

characteristic.

(1) (1-a), (2-d), (3-b), (4-e), (5-c)

(2) (1-d), (2-b), (3-e), (4-c), (5-a)

(3) (a-b), (2-c), (3-a), (4-e), (5-d)

(4) (1-e), (2-b), (3-c), (4-a), (5-d)

3. The transfer curve for a proportional controller is shown in Figure F-1. What is the

percent proportional band for the curve shown?

(1) 30% (2) 37.5 % (3) 50% (4) 60%

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Status NEW Posted 05 May 2017 01:05 AM My Price 9.00

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