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Due Date:

Contributor Log

Name

Contribution

Austin Huang

Task Manager

Skills

  • Sensor integration design

  • 3D printing

  • Low level sensor signal processing

Task Description

  • Proximity limit switches are used as end-stop failsafe triggers on each of the arm joints

  • These sensors send a high signal when a ferrous metal is detected within its sensing range

  • On axis 4, there is currently a placeholder proximity limit switch mounted but no dedicated piece of metal or feature to trigger a sensor pulse

  • This task will require a designer to assess the current position of the limit switch, determine if there is an appropriate trigger that can be installed to trigger a high signal 360degrees, and potentially redesign and reinstall a sensor mount / trigger

  • The current location of the proximity limit switch is not finalized and can be moved at the designers discretion

 Proximity Switch Location

 Potential triggers for signal interference

Task Breakdown

  • Assess the current position of the sensor mount in CAD (determine if there are any potential interferences)
  • Determine if a sensor trigger can be installed on an interface on the forearm (A5/A6)
  • Determine if the proximity switch needs to be located
  • Update arm CAD with sensor mount/trigger concept
  • Propose design idea for switch + trigger to mechanical lead
  • Update the design as required
  • Fabricate all required components, install on arm

Prerequisites

N/A

Progress Journal

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