ME Consultants: Bulk Material Transporters

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ME ConsultantsBulk Material Transporters

• Joni Smith
• Ethan Messenger
• Tom Calgaro

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ME ConsultantsBulk Material TransportersAdviso
rsFloyd PattersonDr. Mohammad Mahinfalah

• ME team 1
• Jesse Sandry
• Tanner Stueve
• Mark Spitzer

• ME team 2
• Lee Froemke
• Jacob Erbele

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Introduction

• Bulk Material Transporter Robots
• (3) Electrical Engineering Students
• (2) ME Senior Design Teams
• (1) ASME Student Design Contest
• Maximum robot dimensions 25X25X30 cm
• Course up 3 steps, turn 90, down 1 step, dump
• 10 minutes
• Most rice in hopper minus penalties wins

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Block Diagram
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Power Source Options

• Rechargeable Batteries (1.2V NiMH)
• Maximum of ten plus two 9V batteries
• Alkaline Batteries (1.5V)
• Maximum of eight plus two 9V batteries

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Power Source Selected

• Rechargeable NiMH batteries (packaged)
• 2300 mAh
• High power to weight ratio
• Rechargeable

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Transmitter/Receiver Options

• rfPIC12F675F
• Our own construction
• Linx LC series

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Transmitter/Receiver Selected

• Linx LC series, 418 MHz
• Reliable
• Cost-effective
• gt 300 ft. range
• Low power consumption
• Serial Interface
• Wide temperature range
• Only external component needed antenna

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Microprocessor Options

• Motorola
• Texas Instruments
• PIC by Microchip

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Microprocessors Selected

• Transmitter
• PIC 16F241
• Robot
• PIC 16F877A

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Drive Motor Options

• Stepper
• DC
• DC gearhead

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Drive Motor Selected

• DC gearhead
• Excellent starting torque
• Many speed options
• DC input
• Easy integration (no need to build gears)
• Low cost

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Box-dump Actuator Options

• Linear Actuator
• Jackscrew

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Box-dump Actuator Selected

• Jackscrew
• Greatest range of motion
• Simple design

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Budget
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Timeline
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Conclusion

• Transmitter
• Power (1) 9V battery
• Microprocessor PIC 16F241
• User Interface Analog Joystick
• Transmitter Linx LC Series

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Conclusion

• Vehicle
• Power (10) 1.2V NiMH rechargeable batteries
• Microprocessor PIC 16F877A
• Receiver Linx LC Series
• Transducers DC gearhead motors jackscrew

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Questions??