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An electro hydraulic servo system contains the following characteristics:
Gcyl = 0.04 cm/cm3, cylinder piston area = 25 cm2
H = 1.75 V/cm
Voil = 750 cm3
mass of load = 300 kg
system deadband = 3.5 mA
bulk modulus of oil = 1400 MPa
system accuracy = 0.004 cm
Determine the gain of the servo valve in units of (cm3/s)/mA.
The system of Advanced Problem AP10.1 is to have a percent overshoot less than 13%. In addition, we desire that the steady-state error for a unit ramp input will be less than 0.125 (Kv = 8) [24].
Construct a 90 percent confidence interval for the true mean weight. (b) What sample size would be necessary to estimate the true weight with an error of � 0.03 grams with 90 percent confidence?
The cost of leasing the new equipment will be $300 per day, and you'll need one for each dock. Manage the arrival schedule so that trucks arrive at the same rate, but at specific times (i.e. the interarrival rate is a constant 4 minutes, vs. expone..
The typical homeowner has a utility function equal to the square root of wealth. Will the homeowner retrofit the house, and if so, which insurance policy will the homeowner buy?
Multiply each value of the variable x by 5 and add 10 to the resulting products. Now multiply each value of the variable y by 3 and subtract 7.
a sample of 21 of 180 funded projects revealed that 19 were valued at 17680 each and 2 were valued at 20320 each. from
What justi?es the inclusion of a disturbance or error term in regression analysis?
Based on anthropological reports in which the status of women is scored on a 10-point scale, the mean and standard deviation across many cultures are known. A new culture is found in which there is an unusual family arrangement.
(a) Did the experiment described in employ random sampling or random assignment?
explain how you would select a distribution for a hypothesis test or confidence
The following table is from the Social Security Actuarial Tables. For each age, it gives the probability of death within one year, the number of living out of an original 100,000 and the additional life expectancy for a person of that age.
Consider rolling two fair six-sided dice. Let W be the product of the numbers showing. What is the probability function of W?
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