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An electric ventricular assist device (EVAD) that helps pump blood concurrently to a defective natural heart in sick patients can be shown to have a transfer function G(s) = Pao(s)/Em(s) =1361/ s2 + 69s + 70.85The input, Em(s) is the motor's armature voltage, and the output is Pao(s), the aortic blood pressure (Tasch, 1990). The EVAD will be controlled in the closed-loop configuration shown
A jogger accelerates from rest to 3.75 m/s in 3.58 s. A car accelerates from 16.7 to 31.6 m/s also in 3.58 s. (a) Find the magnitude of the acceleration of the jogger. (b) Determine the magnitude of the acceleration of the car.
A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power
The numbers N, A, and B are usually published so that everyone knows them. Suppose A= 21, B= 5, N= 8, and the initial value (or seed) is X(0)=1. Write down the first six decimal numbers that are generated by this algorithm.
Sketch the baseband signals for the two users when user 1 sends the bits 011, and user 2 sends the bits 101. Add the signals for the first bit only, and show that the output of the correlator for user 1 is -4, corresponding to a 0
Find the expression for the total equivalent capacitance for an array of n capacitors with arbitrary capacitance C1,C2,...,Cn; when they are connected a) inseries and b) in parallel.
Suppose that V1 (t)=100cos(ωt) and V2 (t)= 100sin(ωt). Use phasors to reduce the sum Vs (t)=V1 (t)+V2(t) to a single term of the form Vm cos(ωt+θ). Draw a phasor diagram, showing V1, V2 ,and Vs. State the phase relationships between each pair of t..
Each time you apply a theorem or law of boolean algrebra, mark your paper clearly to indicate which terms were used to add or delete other terms, or indicate which terms were combined. Simplify algebraically
consider the following two first-order transfer functions H1 (z) = z + b/z + a , a = 0.3, b = - 0.4 H2(z) = bz + 1/z + a , a = 0.3, b = - 0.4 (a) draw the pole-zero plot for both transfer function H1(z) and H2(z)
a process control system will be tuned with the ultimate cycle method. the derivative mode is off and the integral
Design the combinational 3 bit gray to binary code converter for conversion angular position of a shaft into binary code. 1) Complete the truth table 2)obtain the minimal solution with a K map 3) draw the circuit diagram, labels the inputs and output..
Find the impulse response fpr the filter? How many nonzero terms does the impulse response contain?
A shunt dc motor has RA = 0.1-ohm and VT = 440 V. For an output power of 16.1 hp, nm = 1,213 rpm and IA = 103 A. The field current remains constant. Find the the rotational power loss in hp.
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