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Design a programmable controller program to solve the control problem for the process described in given Example and given Figure.
Example Construct a state variable description of the process shown in Figure. The timer output (TU) is initially low when its input (TM) is low. When TM is taken high the output stays low for five minutes and then goes high. It resets to low when TM is taken low. All level sensors become true when the level is reached. The process sequence is:
1. Fill the tank to level A (LA) from valve A (VA)
2. Fill the tank to level B (LB) from valve B (VB)
3. Start the timer (TM), stir (S), and heater (H)
4. When five minutes are up take stir (S) and heater (H) off.
What is the factor γ for a speed of 0.99c?
A 60-watt outdoor lightbulb is advertised as having an average life (i.e. MTTF) of 1,000 operating hours. However, experience has shown that it will also fail on demand an average of once every 120 cycles.
Even though energy is conserved for the system, why is it a good idea to make the components of the drive mechanism as light as possible (with the exception of the flywheel)?
Discuss the load-line technique of obtaining the time variations of the voltages and currents at the source and load ends of a line from a knowledge of the terminal V-I characteristics.
If the desired rolloff frequency is 15 Hz and C = 10 µF, find the value of R.
What is the maximum number of DECIMAL digits that can be generated with this choice of N (ie. the maximum length of the sequence of decimal numbers that could be generated with this choice of N, before any number repeats itself)
Derive the closed-form expression for the impulse response h(n), by iteration, of the system governed by the difference equation, with input x(n) and output y(n). List the values of the impulse response h(n) at n = 0, 1, 2, 3, 4, 5.
A combinational circuit is to be designed to control a seven-segment display of decimal digits. The inputs to the circuit are BCD codes. The seven outputs correspond to the segments that are activated to display a given decimal digit.
Rayleigh Scattering. Calculate the % increase is attenuation due to Rayleigh scattering exhibited by light having a free-space wavelength 1535 nm as compared to light having a free space wavelength 1550 nm. Provide your answer in units of [%] and ..
Draw the phasor diagram of the voltages E, VR, and VL, and the current I. - Verify Kirchhoff's voltage law around the closed loop. - Find the average power delivered to the circuit.
A DUT was subject to this multitone signal and its output digitized at the same rate of 32 MHz. An FFT analysis reveals that bins 101, 102, 103, 104, 105, and 106 had an RMS level of 1.1, 1.2, 0.81, 1.5, 1.1, and 0.9 mV, respectively. What is the ..
A rectangular surge of 2us duration and magnitude of 100Kv travels along a line of surge impedance 500 ohms. The latter is connected to another line of equal impedance through an inductor of 500uH. Calculate the maximum value of surge transmitted ..
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