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AutoMoto Group 16

AutoMoto Group 16. Gregory Berkeley & Levi Lentz. Block Diagram Representation. D(s). PID Control. Bike Dynamics. Controlling Actuator. R(s). Θ (s). Sensor. Previous Design. Advice: Professors, Colleagues, and Professionals. Suggestions of Current Design

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AutoMoto Group 16

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  1. AutoMotoGroup 16 Gregory Berkeley & Levi Lentz

  2. Block Diagram Representation D(s) PID Control Bike Dynamics Controlling Actuator R(s) Θ(s) Sensor

  3. Previous Design

  4. Advice: Professors, Colleagues, and Professionals • Suggestions of Current Design • Professor George Mansfield MS Control Systems • Implementing sand paper and rubber wheel to simplify design. • Bode Analysis for determining PID values. • Dr. Matthew Graham Ph.D Control Theory • Instead, using a horizontal pendulum to shift CG. • Root-Locus design techniques for PID controller.

  5. Advice: Professors, Colleagues, and Professionals • Suggestions of Other Designs • Dr. Key Moon Specializes in Mechatronics • Using front wheel manipulation as primary control system. • Extruding a rod from the frame with training wheels for mechanical safety. • Steve McFadden and Others ME Students • Implementing a gyroscope to achieve stability. • A robust design but would require a lot of power/torque • GunnarRistrophIJK Controls • Also suggested front wheel manipulation. • Suggested types of sensors and software recommendations (AVR Studio) • John Berkeley PE Otte-Berkeley Group • Also suggested front wheel manipulation. • Dr. MortezaMehrabadiPh.D Mechanical Engineering • Listen to Dr. Moon

  6. Fail Early, Fail Often • Abandoning the pendulum design • Problems include • Reaction forces • Control opposite of theory • Response time • Instead focusing on other designs, primarily: • Only front wheel manipulation • Gyroscope

  7. Revised Goals for Semester • Determine CG • Rig to suspend bike • Intersecting line method • Guess and Check • Dynamics of machine are not well defined • Determine if controller redesign is necessary • Faster response time

  8. Next Week • Finalized design • Decision on Gyroscope design • Rework electronic to get it to turn on • Examine current state of data logging

  9. Questions?

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