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Projects 1: Project Kickoff Meeting Project: Design an Interface between a Robot and a LTU Laptop Group members: Colin Black Steve Holcomb Objective Design and implement an interface between a robot and a LTU laptop Target Goals:

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Projects 1: Project Kickoff Meeting

Project: Design an Interface between a Robot and a

LTU Laptop

Group members:

Colin Black

Steve Holcomb


Objective l.jpg
Objective

  • Design and implement an interface between a robot and a LTU laptop


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Target Goals:

  • Robot should be able to traverse forwards and backwards with the capability to turn

  • Robot should be able to travel at two to three speeds

  • Interface should be easily available for use in third-party programs

    • i.e. writing maze-traversal programs


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Design Sub-Systems

Power

System

Drive

System

Steering

System

Sensor

System

Laptop

Interface


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Power Sub-System

  • Capable of powering interface and robot

    • Laptop runs on batteries

  • Power sources under consideration:

    • Batteries

      • Heavy

      • Limited functional time

    • 110V connection to maze exterior

      • Limits size of maze

      • Requires addition of transformer on robot


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Drive Sub-System

  • A single drive wheel located at the rear of the robot

  • Variable speed bi-directional motor

  • Controlled through interface board

  • Tachometer connected to drive wheel for distance/speed reporting to interface


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Steering Sub-System

  • Based on standard Rack and Pinion design

  • Single servo/motor to control steering angle

  • Angle controlled through interface board


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Sensor systems

  • Initial sensor type: touch

  • Sensor contact causes immediate event/interrupt; drive halted

  • Expansion of system possible to include other sensor types


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Laptop Interface

  • Use of Handyboard to relay commands to drive/steering sub-systems and contact data from sensor sub-system

  • Laptop interfaces to Handyboard through Parallel/Serial port

  • Interface to third-party programs through binary API or compile-time headers

    • Knowledge of Windows 2k/XP Device Drivers required


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Timeline

  • Parts ordered by 11/30

  • Drive system/chassis built 02/01

  • Steering system built 02/15

  • Sensor/Interface built 03/01

  • Device Drivers/Headers written 03/08

  • Final testing 03/29

  • (Competition date - RoboFest) 04/27


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