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A vertical takeoff (VTOL) aircraft is an inherently unstable vehicle and requires an automatic stabilization system. An attitude stabilization system for the K-16B U.S. Army VTOL aircraft has been designed and is shown in block diagram form in Figure P9.7 [16]. At 40 knots, the dynamics of the vehicle are approximately represented by the transfer function
The actuator and filter are represented by the transfer function
(a) Obtain the Bode diagram of the loop transfer function L(s) = Gc(s)Gis)H(s) when the gain is K1 = 2. (b) Determine the gain and phase margins of this system, (c) Determine the steady-state error for a wind disturbance of Td(s) = 1/s. (d) Determine the maximum amplitude of the resonant peak of the closed-loop frequency response and the frequency of the resonance, (e) Estimate the damping ratio of the system from Mpω and the phase margin.
Pelican Stores, a division of National Clothing,is a chain of woman's apparel stores operating throughout the country.The chain recently ran a promotion in which discount coupons were sent to customers of other national clothing stores
ACME will incur the cost of replacement, but will not receive any additional revenue. What is the profit earned/loss incurred on an all weather tire that exceeds 40,000 miles?
What is the difference between the Confidence Interval and the Prediction Interval given in a Minitab printout of a multiple regression? When do you use each?
A poll found that 329 out of 763 adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 92% confidence.
Do women and men have different opinions about affirmative action? Based on a sub sample of 2008 GSS, the output figure below shows respondent's sex (sex) and attitudes toward affirmative action (DISCAFF: Are whites hurt by affirmative action).
Calculation of Employees Productivity
What factors should the assistant chief consider in determining the presence of gender bias in firefighter promotion? Is the promotional status of recently promoted firefighters independent of their gender
Assume the number of days it takes a homebuilder to complete a house is normally distributed with an average completion time of 176.7 days and a standard deviation of 24.8 days. Calculate the completion time that the builder has a 40% probability ..
use the sample data and confidence level to construct the confidence interval estimate of the population proportion p.
Distinguish and evaluate the three Marxist critiques of capitalism
There are many examples of the role of noise in human communications. One story concerns a communication exchange which purportedly took place during the First World War.
How much should they charge for a 2 year extended warranty so that they will still make money selling the extended warranties in the long run and keep the cost of the warranties as low as possible to make them more marketable?
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