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Control systems can be either open-loop or closed-loop; each one of them has its own advantages and problems. For the system described above: Describe how you would implement it using an open-loop system. Describe how you would implement it using a closed-loop system. What are the type(s) of sensors required in each case? Compare and contrast the potential problems that may arise in implementing the control system as an open-loop vs. a closed-loop system. Assume that one of the pumps uses a ¼ hp DC shunt motor with an input voltage of 115 VDC that pulls 1.6 A running at 1,500 rpm. The field resistance for the motor is 600 Ω and the armature resistance is 8.5 Ω. Find the constants Kemf and KT for this motor. The process to be controlled described earlier is a relatively simple process that can be implemented using straightforward methods. However, more complex processes require different types of control approaches. Describe Ratio Control and give an example of a situation in which you would use it. Describe Adaptive Control and give an example of a situation in which you would use it. Describe the similarities and differences between Cascade Control and Feedforward Control
Assuming that a 12-bit ADC channel accept analog input ranges from 0 to 20 volts, determine the following a) number of quantization levels b) step size of the quantizer or resolution
An 80 kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 25 mV. When this voltage is applied across the terminals of a capacitor, the steady-state current has a maximun ampliture of 628.32 uA
g. What happened to all the power delivered to the resistors h. If the resistors are available with wattage ratings of 1/2 W, 1 W, 2 W, and 5 W, what minimum wattage rating can be used for each resistor
A square plate of titanium is 12cm along the top, 12cm on the right side, and 5mm thick. A normal tensile force of 15kN is applied to the top side of the plate. A normal tensile force of 20kN is applied to the right side of the plate.
Discuss the between continuous-time and discrete signals and their analysis imposed by the way discrete-time signals and systems are generated. Discuss what is meant by "nonlinear filtering".
Create a Verilog module that implements 4 bit full adder-subtractor with overflow detection. You may use Verilog bitwise operators and gate primitives, but no mathematical operators or behavioral Verilog syntax.
Calculate the electron and hole densities in an n-type silicon wafer (Nd=10^17 cm^-3) illuminated uniformly with 100 mW/cm^2 of red light (Eph = 1.8 eV). The absorption absorption coefficient of red light in silicon is 10^-3 cm^-1.
when the line was open-circuited, the measurement yielded an input impedance equivalent to a capacitor with capacitance of 40 pF. Find Zo of line, the phase velocity, and the relative permittivity of the insulating material.
Major political parties.
When an RLC series circuit is connected to a 120 V rms, 60 Hz line, the rms current in the circuit is 11 A and this current leads the line voltage by 45 degrees. (a) Find the average power supplied to the circuit. (b) What is the resistance in the..
A three-phase round-rotor synchronous generator, rated 10kV, 50MVA, has armature resistance R of .01 per unit and synchronous reactance of Xd of 1.65 per unit. The machine operates on a 10-kV infinite-bus delivering 2000 A at 0.9 PF leading.
a machine processor address a maximum 2^24 bytes of memory. What is the maximum number of 32 bit words that can be store in memory.
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