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Question 1
Ziegler-Nichols Open Loop Tuning
Often, when working with a faster loop, many people will opt only for a PI control philosophy. Looking at the following graph, calculate PI parameters the you would use (bearing in mind that one often has to fine tune, slightly, afterwards, just to ensure you get the results you want).
Question 2
Ziegler-Nichols Closed Loop Tuning
Often, when working with a slower loop, many people will opt for a full PID control philosophy. Looking at the following graph, calculate PID parameters the you would use (bearing in mind that one often has to fine tune, slightly, afterwards, just to ensure you get the results you want).
a) Find and plot the straight-line approximations to the amplitude and phase response bode plots b) sketch the approximate amplitude-response bode plot od this system using the straight-line approximation and approximate amplitude values at the br..
Find the complex impedance of the inductance. Find the phasor voltage and current, and construct a phasor diagram. Write the current as a function of time. Sketch the voltage and current to scale versus time. State the phase relationship between t..
Show the gate-level diagram of a 2-bit ALU which is capable of performing 2's compliment addition and subtraction and all possiblelogic functions. All gates must be shown. The ALU may utilize full adders
A minimum solution requires six states. Design your circuit using NAND gates, NOR gates, and three D flip-flops. Any solution which is minimal for your state assignment and uses eight or fewer gates and inverters is acceptable. (Assign 000 to the ..
An analog repeater section consists of an amplifier with 15 dB noise figure, followed by a coaxial cable with a loss of 40 dB. Show a) the required gain of the amplifier b) The equivalent noise figure of the repeater section
Given an operational amplifier consisting of R and L in series for Z, and C for Z ‘.If the input is a constant V, find the output vo as a functionof time. Assume an infinite open-loop gain.
three single-phase transformers rated at 250kVa, 7200V/600, 50Hz, are connected in wye-delta on a 12470V, 3 phase line, if the load is 450kVA, calculate the current in the incoming and outgoing transmission lines and in the primary and secondary w..
An office building of 20,000 ft2 would then take 40,000 watts of lighting at 2 watts /ft2. which amounted to 667 - 60 watt light bulbs or about the same two-bulb fluorescent fixtures. Resize the lighting system (W) assuming a lighting level.
A circuit contains two devices that are connected in parallel. If the resistances of one of these devices is 12ohms and the resistance
An engineer makes an accurate flux plot for a pair of linecharges. one line charge has a fixed ?=1.00[C/m] and islocated on the x axis at x=-h. The other line charge has f=-0.75[C/m] and is located on the x axis at x=h.
A full-wave rectifier is to be designed using the bridge circuit configuration. The peak output voltage is to be 9 V, the nominal load current is to be 100 mA, and the ripple voltage is to be limitedto Vr= 0.2 V.Assume Vγ= 0.8 V and let vI= 120√2s..
i) Calculate the number of calls/hour/cell and the number of calls/hours/km2 ii) Calculate the number of users/hour/cell and the number of users/hours/channel iii) Find the modulation frequency for this system.
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