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  1. Data Management
  2. DM-34012

Rotator software limits overwrite

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    Description

      Investigate the overwrite for the software limit switch for the rotator.

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          ttsai Te-Wei Tsai added a comment - - edited

          The configuration file of rotator controller can overwrite the software limits: default.yaml. This only happens when using the CSC to put the rotator to the Disabled state: https://github.com/lsst-ts/ts_rotator_controller/blob/develop/src/commanding.c#L461-L472

          ttsai Te-Wei Tsai added a comment - - edited The configuration file of rotator controller can overwrite the software limits:  default.yaml . This only happens when using the CSC to put the rotator to the Disabled state: https://github.com/lsst-ts/ts_rotator_controller/blob/develop/src/commanding.c#L461-L472
          ttsai Te-Wei Tsai added a comment - - edited

          The block of limit check bias calc will compare the rotator's position with the upper/lower limits to decide the flag of positionFeedbackFault. If there is fault, it will trigger the ControlledStopping state to stop the rotator's movement. This has the potential to overshoot the rotator's position to be out of range of limits.

          ttsai Te-Wei Tsai added a comment - - edited The block of limit check bias calc will compare the rotator's position with the upper/lower limits to decide the flag of positionFeedbackFault . If there is fault, it will trigger the ControlledStopping state to stop the rotator's movement. This has the potential to overshoot the rotator's position to be out of range of limits.
          ttsai Te-Wei Tsai added a comment -

          Investigate the Simulink model as requested.

          ttsai Te-Wei Tsai added a comment - Investigate the Simulink model as requested.
          hdrass Holger Drass added a comment -

          Thanks, Te-Wei! This is very valuable information.

          hdrass Holger Drass added a comment - Thanks, Te-Wei! This is very valuable information.

          People

            ttsai Te-Wei Tsai
            hdrass Holger Drass
            Holger Drass
            Holger Drass, Te-Wei Tsai
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