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A preliminary design on the use of a simply supported prismatic timber beam indicated that a beam with a rectangular cross section 50 mm wide and 200 mm deep would be required to safely support the load shown in part a of the figure. It was then decided to replace that beam with a built-up beam obtained by gluing together, as shown in part b of the figure, four pieces of the same timber as the original beam and of 50 X 50-mm cross section. Determine the length l of the two outer pieces of timber that will yield the same factor of safety as the original design.
Materials (class notes, exam papers, assignments.etc.) for EE 587 (Nonlinear and Adaptive Control) of University of Southern California (USC). The course instructor is Professor Edmond Jonckheere.
you run a 50ft extension cord to a load. the resistance of each conductor in the cord is 0.05omega foot. if the
An engineer decides to take 600 samples at sampling frequency 9000Hz. A Fast Fourier Transform (fft) program was applied to obtain the frequency spectrum of the signal. What is the frequency resolution,df, for the analysis
design a bias-stable common emiter amplifier circuit whose output is capacitively coupled to a load resistor RL = 10KΩ using a 20V power supply. The Minimum small signal voltage gain should be -20V/V. Assume the following parameters for the transi..
Let X(e^jw) denote the DTFT of a real sequence x[n]. Define Y(e^jw)=1/2{X(e^jw/2)+X(-e^jw/2)} Determine the inverse DTFT y[n] of Y(e^jw).
Find also (c) the bandwidth, (d) the lower and upper half-power frequencies and (e) the value of the circuit impedance at the half-power frequencies.
Explain why a PID controller is not a good idea for this process. Use Matlab to design a PD controller for this process. Repeat the design, but this time use a lead-lag compensation network to cancel the 0.731 time constant and replace it with a 0..
A single-phase load is supplied through a 35-kV feeder whose impedance is 95 + j360 ohm and a 35-kV:2400-V transformer whose equivalent impedance is 0.23 + j 1.27 ohm referred to its low-voltage side. The load is 160kW at 0.89 leading power factor..
Suppose a car of mass m moving on a straight west-east highway at velocity v(t) (positive for motion from west to east) experiences aerodynamic drag force with magnitude v(t) opposing its motion.
1- for the linear system : Sak y(n-k) = S br x(n-r) , (series a are from k=0 to n ) & ( series b from r=0 to m) a- find H(z) b- does this equation uniquely specify the unit sample response of l.s.i system c- choose, stable and casual system ,discuss ..
Operation of NPN Bipolar Transistor : a. Describe the operation of a typical NPN bipolar junction transistor used both as an amplifier and a switch. b. List the 4 regions of operation and draw I-V characteristic curve.
A 6th order Chebyshev low pass filter has a 0.5dB ripple in the pass-band and has a cutoff frequency of 5Khz, determine the attenuation (dB) of the signal at: 1. 4Khz 2. 40Khz 3. 40Mhz
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