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1. With the aid of a block diagram of a PID controller, show the expression of its output in the time domain.
2. A PID compensator is to be designed for the system given by the following translation function;
G(s)H(s) = 4/s(s+1)(s+2)
The system phase margin frequency is given as ω1 =1.7 radsec-1 and the required phase angle is 50°. Obtain the respective values of the PID controller.
Three amplifiers with power gains of 15, 22 and 7 ate cascaded. The input power is 120 micro-W. What is the output power of the final amplifier stage
A room has four doors and four light switches (one by each door). Sketch a circuit that allows the four switches to control the light - each switch should be able to turn the light on if it is currently off, and off if it is currently on.
Assume, the program is to start at $C000. The program is to sort a block of 8-bit data where the starting address of the data block is stored at location $8000/8001 and the 8-bit data where the starting address of the data block is stored at $8002..
Find the operating point ofeach diode to at least four significant figures using the iterativemethod and the value Vt = 25mV. This problem is more difficult thanthose presented in the text because the iteration must proceed over three elements
a) Determine the range of load resistances over which the circuit gives a constant Vout if Rs = 1500 kilo ohms and Vs = 150V. Assume the diode breakdown voltage is 100V and the maximum rated current is 100 mA.
Can A Buck Converter with Synchronous rectifier operate in DCM at a light load. If the load is disconnected how does this affect the Inductor current.
Two Loads are in parallel with a 2000 Volt sinusoidal source.Load 1 draws 40 Amps at 0.5 lagging power factor. Load 2 draws 15Amps at 0.8 leading power factor. (a) Make a table showing each load and its complex power
One of the machines which has a synchronous reactanceof 50% and a resistanceof 1% delivers a power output in kW equals to 70% of its rated kVA. If the mf of this unit equals 1.2 times the terminal voltage, find thepower factor at which the machine..
The voltage and current at the terminals of an ideal element are 0, for t _ (minus equal) 0s. V(t) = 100(1-e^(-300t) V, i(t) = 15e^(-400t) mA. Find the maximun power absorbed by the element by the element at t = 10ms
A 2000kW synchronous motor operates at a three - phase line-to-line voltage of 4kV. It has a synchronous reactance of 4 ohms per phase. Calculate a) The nominal full load current of the machine when the excitation voltage E0 ( line - to-line) is 4k..
A wire has a resistance of 29.7-ohm . It is melted down, and from the same volume of metal a new wire is made that is 4 times longer than the original wire. What is the resistance of the new wire
The springs effect is addressed below. As a relay some contacts are connected to, and move with, the armature. Other contacts are stationary and would make or break contacts as the armature moves.
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