Electro-Pneumatic Pinball ELM 4702 ELM Project SPRING 2003

Will Fisher Problem Develop an academic trainer for programming electro-pneumatic control systems : – –Capable of interfacing with a microcontroller trainer or a PLC. – –Provide an interactive demonstration for functions. – –Raise the students' interest in the course. – –Provide control labs that build from push button interface to closed loop position control.

Will Fisher System Overview PC Solenoids Sensors Air Electro-pneumatic Pinball PLC 68HC11 Signal Converter

Will Fisher Sensor Test IR Sensor –Uncovered n Reliable clean state switching –Covered n Permeability of Plexiglas n Reflection and refraction

Will Fisher Appearance Model to asses: –Overall size –Field layout –Space for electronic components

Will Fisher Schedule