Elevator Project Description Dr. S. Ahmadi ECE 002

Elevator Project Description Dr. S. Ahmadi ECE 002

Elevator Project Description Dr. S. Ahmadi ECE 002 Project Description Students will build a mock elevator for a 2 story building and create a program to control it. The basic blocks will be: elevator car, elevator shaft, digital sensors, analog sensors. The elevator and elevator shaft will be made of legos. The elevator car will be powered using the motors from the lego kit. Analog Sensors will be used to determine when the elevator has reached a given floor. Digital Sensors will be used to determine if a customer is calling the elevator to a given floor. The students will use the handyboard to control the motors and sensors to operate the elevator and program the device using Interactive C. Graphical Representation/Animation String attached to gear Lowers/raises elevator car

2nd Floor Analog Sensor 3 Motor 1 3 2nd Floor DIGTIAL Sensor 8 2nd Floor 1st Floor DIGTIAL Sensor 7 1st Floor Analog Sensor 2 1st Floor 2 Flowchart for Elevator Algorithm (Page 1 of 2) A Listen for call (loop) Has a call arrived?

N Y Y Is call from 1st floor? Y Is elevator on 1st floor? N Is elevator on 2nd floor? Y N Turn on elevator motor going down (loop) Go to Page 2

N Has elevator reached 1st floor? Y Turn off motor/ Apply Brakes Flowchart for Elevator Algorithm (Page 2 of 2) From Page 1 Return back to circle A on page 1 A Y Is call from 2nd floor? Y Is elevator on 2nd floor?

N Is elevator on 1st floor? Y N Turn on elevator motor going up (loop) N Next Page Has elevator reached 2nd floor? Y Turn off motor/ Apply Brakes

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