By: PhilBot
New: 13-07-2015 15:36
Updated: 13-07-2015 15:36
Total downloads: 1341 times

This documents attempts to characterize the control modes of the new Modern Robotics Core Motor controller.

This documents attempts to characterize the control modes of the new Modern Robotics Core Motor controller.

This study was performed primarily to see if the new Modern Robotics controller exhibits the same operational flaw that was reported in the 2011 version of the original Hitechnic Motor controller.

A test bed was created that utilizes the new standard FTC robot controller setup: That is, a ZTE Speed phone connected to a Core Power Distribution Module and a Core Motor controller. A freshly charged 12V DC battery was used for each test (Approximate voltage was 14.0V)

This setup was used to run both a TETRIX 12V DC motor, and an AndyMark NeveRest 12V DC motor. Both motors were stepped through 0% to 100% power under all three control modes:

• “A” RUN_WITHOUT_ENCODER
• “B” RUN_USING _ENCODER
• “C” RUN_TO_POSITION.

The motors were unloaded, and so they exhibited No-Load speed responses.

Attached Files

• Modern Robotics CORE Motor Controller. Motor control characteristics.

  Modern Robotics Motor Controller Charactristics.pdf

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  filesize: 493.65kb
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• Motor Controller Performance

  MotorControllerPerformance.xlsx

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  filetype: lsx
  filesize: 33.19kb
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