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Design an elevator controller for a simple two-floor elevator. On the 1st floor, there is only an up button, and on the 2nd floor, there is only a down button. Within the elevator, there are two buttons: door open and door close. There are sensors that detect the status of door and location of the elevator. a) draw a block diagram with all the necessary input and output. State all assumptions. b) Draw the state transition diagram using either Moore or Mealy style, and explain the meaning of each state.
Air Enters a cooling section at 97Kpa, 35C and 30 percent relative humidity at a rate of 6m^3/min, where it is cooled until the moisture in the air starts condensing. Determine the temperature of the air at the exit and the rate of heat transfer i..
two particles are fixed to anhe par x axis ;particle 1 of charge -2.00*10^-7c at x=6.00cm and particle 2 of charge +2.00*10^-7 at x=21.0cm. midway of particles, what is their net electric field in vector notation
A series circuit has a 1k(ohm) resistance and a 1k(ohm) inductive reactance. v1= 1 vrms a. what is the impedance of the circuit in rectangular form b. the frequency is given as 1kHz, what is the inductance of the coil L= c.
Consider a linearly graded Si p-n junction. Find a relation for the potential across the depletion region. Hint: Start from equation 29 in chapter 3 of the text book. Integrate the electric field to find the potential.
The Russian president and the Chinese counterpart need to come to an agreement by telephone. Neither can speak and understand each other's language. They need to employ translators. Compare this layered communication to OSI layers
We have a 100 volt signal connected through a 300-O resistor to a 300- O transmission line terminated with an open circuit. Find the reflection coefficients at each end and find the evolution of the voltage of the signal on the transmission line
Assume that an additional inductance can be inserted in series with the load. Also assume that the converter has no freewheeling diodes. Calculate the added inductance that leads to a conduction period of 180 degrees when alpha = 30 degrees.
A 230kVA, 2300/230V, 60 Hz, step-down transformer has the following parameters. RH =1.2-ohm, XH =3-ohm, RL =12m-ohm, XL =30m-ohm, Rh+c=2k-ohm, , Xm =1.8k-ohm. If the transformer operates at half load with unity power factor
If an RC circuit is supplied with 24 VDC and the circuit is in its third time constant, how much voltage wouldbe present across the capacitor
The equivalent circuit for a typical automotive battery charging system is a three-phase delta-connected source which represents thestator coils of the alternator. a) Sketch the load voltagevoltage vt(t) to scale vs time.
The discharge tube of an Argon ion laser has windows 1 mm thick, with an index of 1.46, set at the Brewster angle to the axis of the tube. Specify this angle and the polarization of light that is not reflected by these windows.
A 110 pF capacitor and a 440 pF capacitor are both charged to 2.2 kV. They are then disconnected from the voltage source and are connected together, positive plate to positive plate and negative plate to negative plate.
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