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1. A unity feedback control system has an open-loop transfer function,
Show detailed steps and then sketch the root locus.
2. Sketch the root locus for the feedback control system shown in Fig. 1 and show detailed steps.
3. Study section 7.6 (pages: 502-514) on PID controllers in your textbook (Twelfth Edition) and summarize it in not more than 2 pages, do not include any examples given in the textbook. Use MATLAB to tune the parameters of the PID controller using the closed loop Ziegler - Nicholas tuning method for the system shown in Fig. 2. Plot the response of the system with the tuned PID controller for step input. Manually retune the parameters of the PID so that the system has an overshoot less than 5% and settling time less than 3 seconds.
Once INIT is negated, Z should remain 0 until X has been 0 for two successive ticks and 1 for two successive ticks, regardless of the order of occurrence. Then Z should go to 1 and remain 1 until INIT is asserted again.
Assume that the I bit for external hardware interrupt IRQ is enabled and is low-level triggered. Explain how this interrupt works when it is activated. How can we make sure that a single interrupt is not interpreted as multiple interrupts
A silicon sample is 2.5 mm in length, 1.2 mm in width and 0.7 mm high. It has been doped with Boron with a doping density of 8.5 x 1016 cm-3. Assume the temperature is 300°K.
The flow-rate of blood is assumed to be at high enough a rate that blood behaves as a Newtonian fluid. The fiber diameter is 600 microns and their length is 30 cm. You want a flow-rate of 12 ml/min for each fiber.
1. Obtain the compete state diagram showing both used and unused states and transitions. It is a self-correcting design 2. If the design is not self-correcting - modify it to obtain aself-correcting design. Show the work and draw the circuit diagra..
A photoresistor is connected series to a battery of 10 V with internal resistance of 5 Ohms. The ohmic resistance of the photoresistor changes by time through the day and expressed as: RLDR=20-(10/t) .
A signal has a band width of 15 hz. The Signal is sampled , quantized and binary coded to obtained a PCM signal. Suppose the reconstruction pulse used is p(t)= rect ( (5t / Ts) - 0.5), where Ts= 1/ fs. Specify the equalizer filter E(f) to recover t..
Consider a 16-ary PSK system with symbol error probability PE = 10-5. A Gray code is used for the symbol to bit assignment. What is the approximate bit error probability
Design a half-wave rectifier as a dc power supply that delivers 0.2A and 15V peak values to a load. The ripple voltage is to be no more than 0.4V peak to peak. The rectifier is led from the voltage line (120Vrms, 60Hz) through a transformer.
an amplifier with a 1 MHz bandwidth and a 20 mV input signal. The input noise = 1 mV, output signal = 6.0 mV, and output noise = 1 mV. Find: (a) SNR at the input (b) SNR at the output (c) Noise figure
compute the diameter in centimeters of a steel rod an aluminum rod and a copper rod which can withstand a particular
A differential amplifier stage has collector resistors of 5.1 Kohms each. If Ic1 = 1.35 mA and Ic2 = 1.29 mA, what is the differential output voltage.
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