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A magnetic tape recorder transport for modern computers requires a high-accuracy, rapid-response control system. The requirements for a specific transport are as follows: (1) The tape must stop or start in 10 ms, and (2) it must be possible to read 45,000 characters per second. This system was discussed in Problem P7.11. We desire to set J = 5 x 10-3 and K1 is set on the basis of the maximum error allowable for a velocity input. In this case, we desire to maintain a steady-state speed error of less than 5%. We will use a tachometer in this case and set Ka = 50,000 and K2 = 1. To provide a suitable performance, a compensator Gc(s) is inserted immediately following the photocell transducer. Select a compensator Gc(s) so that the overshoot of the system for a step input is less than 25%. We will assume that τ1 = τa =0.
The amounts (in ounces) of juice in eight randomly selected juice bottles from a normally distributed population are given below. Construct a 95% confidence interval for the mean amount of juice in all such bottles. Round the confidence interval ..
Employee motivation and its related fields.
the number of yearly breakdowns for the power generator observed over the past 20 years at orlando utilities is
What is the relative frequency of classical CDs with a playing time of X less than 49 minutes? That is, find the relative frequency of the event X
consider the following frequency distributionclassesfcfxfx313-36910369-42520425-48115481-53725537-59330total100a.
the f-distribution is defined as thea. distribution of all possible values of f regardless of whether h0 is true or
assume that a sample is used to estimate a population proportion p. find the margin of error e that corresponds to the
According to a recent survey, 275 of 400 middle-aged Americans said they used the Internet regularly. 140 of 400 senior citizens said they used the Internet regularly.
2. The staff at a local psychiatric facility wants to determine whether implementing a No Smoking rule significantly decreases the length of stay of inpatients.
At the 0.05 level of significance, is there evidence to suggest that the population mean waiting time to check out is less than 10.73 minutes?
Gather three of your favorite packaged foods; perhaps one from each: breakfast, lunch and dinner. Use the model explained in the "Are You Sure It's Fat Free?" to analyze, through the mathematical formula explained the fat content and protein conte..
for the distribution in the following table what is the percentile rank for x
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