A feedback discrete-time system has a transfer function,
For what range of K’s is this system stable?
You might also like to view...
Answer the following statement(s) true (T) or false (F)
1. DC motors are still used in many industries. 2. Variable-frequency drives control motor speed by controlling the frequency of the power supplied to the motor. 3. IGBTs have an insulated gate different from all types of field effect transistors (FETs). 4. The magnet wire used in the construction of inverter rated motor windings has a lower rated insulation than other motors. 5. The primary purpose of a variable-frequency drive is to provide speed control for an AC motor.
If you wanted to find a soil where physical weathering dominated over chemical breakdown you would be most apt to find it in:
A) a coastal plain area of Delaware. B) a desert region of Arizona. C) a lacustrine deposit in Minnesota. D) a humid region in Brazil. E) the hill lands of Georgia.
Technician A says that 6 point socket is more likely than a 12 point socket to round off a fastener head. Technician B says that a 12 point socket is more likely than a 6 point socket to round off a fastener head. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A system using R-404a has an evaporation temperature of 20°F. If the line length is 100 ft. and a 7/8 in line is used, what is the maximum capacity of the system?
A) 3 tons B) 2. 5 tons C) 2 tons D) 1. 5 tons