Engineering, 25.11.2019 20:31 linnybear300
Petbot design in this problem, you will design circuits to control petbot, a simple robot designed to follow light. petbot measures light using photoresistors. a photoresistor is a light-sensitive resistor. as it is exposed to more light, its resistance decreases. given below is the circuit symbol for a photoresistor. below is the basic layout of the petbot. it has one motor on each wheel. we will model each motor as a 1 resistor. when motors have positive voltage across them, they drive forward; when they have negative voltage across them, they drive backward. at zero voltage across the motors, the petbot stops. the speed of the motor is directly proportional to the magnitude of the motor voltage. the light sensor is mounted the front of the robot 00 04 photo resistor motors (a) speed control- let us begin by first having petbot decrease its speed as it drives toward the flashlight. design a motor driver circuit that outputs a decreasing positive motor voltage as the petbot drives toward the flashlight. the motor voltage should be at least 5v far away from the flashlight. when far 1100a 11 1 (a) speed control
Answers: 1
Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
Engineering, 04.07.2019 18:20
Have a greater impact on maintenance productivity than any other support group. (clo5) a)-the top management b)-inventory and purchasing c)-sub-contracting d)-cmms
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Engineering, 04.07.2019 18:20
Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t
Answers: 3
Petbot design in this problem, you will design circuits to control petbot, a simple robot designed t...
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