Describe the operation of the adaptive cruise control system.
What will be an ideal response?
The ACC system has the added function of adjusting and maintaining appropriate following distances between vehicles by using laser or radar sensors to determine the vehicle-to-vehicle distances and relational speeds. If a vehicle ahead is traveling slower and the distance is closing between the vehicles, then the ETC will close the throttle plate to decelerate the vehicle. If additional deceleration is necessary, then the transmission is shifted into a lower gear. If further deceleration is still necessary, the system controls the brake actuator to apply the brakes. The system will continue to maintain the set distance between vehicles until the vehicle in front is no longer there, then the vehicle is accelerated to resume the set speed.
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Drawing eave vents is similar to drawing shutters.
Answer the following statement true (T) or false (F)
The output of a NAND gate is low when an input is low
Indicate whether the statement is true or false
Which of the following motors provides constant speed from no-load conditions to full-load conditions?
a. Series DC b. Squirrel cage induction c. Synchronous d. Shunt DC
Use the data of Problem 3.35 and Figure P3.35 and the principle of superposition to determine .
The circuit shown in Figure P3.35 is a simplified DC version of an AC three-phase wye-wye (Y-Y) electrical distribution system commonly used to supply industrial loads, particularly rotating machines.
VS1 = VS2 = VS3 = 170 V
Rw1 = Rw2 = Rw3 = 0.7?
R1 = 1.9? R2 = 2.3?
R3 = 11?
a. Determine the number of non-reference nodes.
b. Determine the number of unknown node voltages.
c. Compute v'1, v'2, v'3, and v’n.
Notice that once v’n is known the other unknown node voltages can be computed directly by voltage division.
