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For the closed-loop system with plant model and controller given by
G(s) = (s2+81)/(s2(s2 + 100)) D(s) = (K (S+1))/(S+13)
(a) Find the locus of the closed-loop roots (poles) with respect to K;
(b) Is there a value of K that will cause all roots to have a damping ratio greater than 0.5?
(c) Find the values of K that yield closed-loop poles with the damping ratio ? = 0.707.
(d) Use Matlab to plot the response of the resulting design to a reference step input.
A firm leases land from you for 15 years to build a warehouse. As payment you will own the building after 15 years estimated to be worth $400k however you must pay taxes and maintenance of $15k per year.
What is the equivalent input noise resistance of an amplifier known to produce 20 V of equivalent input noise over a bandwidth of 750 kHz
The following specification s are given for fours different temperature sensors. If the application requires a temperature variation of -50°C to 120°C and the measured value is -20°C, select the best sensor.
implement a circuit that generates VGA signals to draw a blue screen on your monitor in a resolution of 640x480. The following materials provide detailed descriptions of how VGA signals operate and some hints on how to design the VGA controller
A three-phase, 125-hp, 60Hz, eight-pole, 575-V, design B induction motor is to be operated from a 50-Hz system. Determine (a) allowable voltage at 50 Hz; (b) allowable shaft load in horsepower; (c) new synchronous speed
The Russian president and the Chinese counterpart need to come to an agreement by telephone. Neither can speak and understand each other's language. They need to employ translators. Compare this layered communication to OSI layers.
The memory unit, 2M x 32, is specified by the number of words times the number of bits per word. How many address lines and input-output data lines are needed And give the number of bytes stored in the memory.
Calculate: i. The A, B, C, D constants of the line. ii. The characteristic impedance of the line. iii. The sending-end voltage iv. The sending-end current. v. The sending-end power factor. vi. The sending-end power. vii. The power loss in the line..
Create and test a function called celsius to convert degrees Celsius to degrees Fahrenheit. The equation for converting temperatures in Celsius to Fahrenheit is T_f=9/5 T_c+32 Display the results as a conversion table for six different temperature..
Assume that a load Z absorbs power of 150 W at a lagging power factor of 0.8, and the voltage across the load Z is 220 Vms, 50 Hz. What must be the value of capacitor that needs to be connected in parallel with the load Z
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter. How much modulating signal power is needed to produce 100 percent modulation
The stator frequency of an induction machine is 50 Hz and the rotor circuit frequency is 5 Hz. What is the rotating speed in rpm for a 4-pole induction machine
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