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Advisor: Dr. Patrick McDowell ET494– Senior Design Ii Spring 2016

Linear Actuator Rodney Arceneaux & Steven Parker. Advisor: Dr. Patrick McDowell ET494– Senior Design Ii Spring 2016. Introduction. What is an actuator? An actuator is a type of motor that is responsible for moving or controlling a mechanism or system .

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Advisor: Dr. Patrick McDowell ET494– Senior Design Ii Spring 2016

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  1. Linear Actuator Rodney Arceneaux & Steven Parker Advisor: Dr. Patrick McDowell ET494– Senior Design Ii Spring 2016

  2. Introduction • What is an actuator? • An actuator is a type of motor that is responsible for moving or controlling a mechanism or system. • Applications for electric actuator • Advantages of electric actuator

  3. Objective • The objective of this assignment is to build our own linear actuator and to control it using Arduino • To make a cost-effective actuator without trade off in power • Implement our created linear actuator in the “Strong Arm Actuator” design • The “Strong Arm Actuator” design is a system of two actuators to create a two-jointed arm

  4. Materials • Materials will include • CIM Dc motor 24v • Victor 883 Motor Controller • Sprockets • Threaded Rods • Chain • Arduino • Ultrasonic Sensor • And more…

  5. Challenges • To make the linear actuator as efficient as possible • Design it to make movements rapidly (unloaded) • Build it to be able to handle heavy loads • Make Arduino able to communicate with the Victor and then the Victor with the motor

  6. Research • The Victor 884 requires a PWM signal of 1ms – 2ms • 1ms being full reverse and 2ms being full forward

  7. Design Model • Credit for original design : Ian Anderson

  8. Design

  9. Design

  10. Design Issues/Troubleshooting • There were a few problems we encountered with this project • The first issue were the Victor motor controllers • The second issue was learning how to correctly drive a signal from Arduino • The third issue involved the CIM motor not turning properly • The fourth issue is that the moving block gets jammed

  11. Design Changes • The guide rods help keep the moving block on the desired course • When we test the threaded rod with a drill in reverse it tends to jam • Modifying original design to have sliding rails instead of guide rods

  12. Design Changes

  13. Timeline (Fall) • FALL 2015 • Proposal and Presentation 10/08/15 COMPLETE • Order of Materials 10/14/15 COMPLETE • Arduino & Victor Interface 11/21/15 COMPLETE • Research and Calculations11/28/15COMPLETE • Final report and presentation 12/04/15 COMPLETE • Build Actuator prototype 12/12/15 COMPLETE

  14. Timeline (Spring) • Spring 2016 • Proposal and Presentation 2/05/16 COMPLETE • Finish Building 2nd Actuator 2/20/16 NOT COMPLETE • Design System for Actuators 3/10/16 NOT COMPLETE • Complete Two Jointed Arm 3/21/16 NOT COMPLETE • Arduino Implementation w/ switches3/28/16NOT COMPLETE • Test load capacity 4/18/16 NOT COMPLETE • Final repot and presentation 5/12/16 NOT COMPLETE

  15. Questions?

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