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  1. Data Management
  2. DM-34043

Support the Test of Rotator and CCW

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    • Story Points:
      1
    • Sprint:
      TSSW Sprint - Mar 14 - Mar 28
    • Team:
      Telescope and Site
    • Urgent?:
      No

      Description

      Support the test of rotator and CCW, which is related to SUMMIT-6237.

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            ttsai Te-Wei Tsai created issue -
            ttsai Te-Wei Tsai made changes -
            Field Original Value New Value
            Link This issue is triggered by SUMMIT-6237 [ SUMMIT-6237 ]
            ttsai Te-Wei Tsai made changes -
            Labels HexRot ccw ccw-rotator-integration-test rotator
            ttsai Te-Wei Tsai made changes -
            Status To Do [ 10001 ] In Progress [ 3 ]
            ttsai Te-Wei Tsai made changes -
            Description Support the test of rotator and CCW, which is related to SUMMIT-6273. Support the test of rotator and CCW, which is related to SUMMIT-6237.
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            ttsai Te-Wei Tsai added a comment -

            The CCW did not follow the rotator at ~9:40 am. Then, after 1 hour, for somehow, it began to follow the rotator. Right now, we are trying to figure out a way to reproduce this problem consistently. In addition, Holger also mentioned that their experience was that the CCW would stop to follow the rotator after some time of following. Right now, we have two suspects. One is the buffer in OpenSplice or salobj. The other one is there is a timeout in CCW software to get the rotator telemetry.

            Show
            ttsai Te-Wei Tsai added a comment - The CCW did not follow the rotator at ~9:40 am. Then, after 1 hour, for somehow, it began to follow the rotator. Right now, we are trying to figure out a way to reproduce this problem consistently. In addition, Holger also mentioned that their experience was that the CCW would stop to follow the rotator after some time of following. Right now, we have two suspects. One is the buffer in OpenSplice or salobj. The other one is there is a timeout in CCW software to get the rotator telemetry.
            Hide
            ttsai Te-Wei Tsai added a comment - - edited

            We could reproduce the error by putting the rotator and CCW to the Enabled state and move the rotator immediately. I suspected this is because the CCW has the following error before it got the telemetry from rotator. I think we might be able to improve the logic that the CCW should not enter the state to follow the rotator until it receives the first telemetry from rotator.

            Show
            ttsai Te-Wei Tsai added a comment - - edited We could reproduce the error by putting the rotator and CCW to the Enabled  state and move the rotator immediately. I suspected this is because the CCW has the following error before it got the telemetry from rotator. I think we might be able to improve the logic that the CCW should not enter the state to follow the rotator until it receives the first telemetry from rotator.
            Hide
            ttsai Te-Wei Tsai added a comment -

            Worked with Holger.

            Show
            ttsai Te-Wei Tsai added a comment - Worked with Holger.
            ttsai Te-Wei Tsai made changes -
            Reviewers Holger Drass [ hdrass ]
            Status In Progress [ 3 ] In Review [ 10004 ]
            ttsai Te-Wei Tsai made changes -
            Link This issue is triggering DM-34077 [ DM-34077 ]
            ttsai Te-Wei Tsai made changes -
            Link This issue is triggering DM-34078 [ DM-34078 ]
            ttsai Te-Wei Tsai made changes -
            Link This issue is triggering DM-34079 [ DM-34079 ]
            Hide
            hdrass Holger Drass added a comment -

            We isolated and reproduced the fault. Thanks to Tiago Ribeiro for fixing the bug at the MTmount/CCW component! Tiago Ribeiro please add GH link for new MTmount release.

            Show
            hdrass Holger Drass added a comment - We isolated and reproduced the fault. Thanks to Tiago Ribeiro for fixing the bug at the MTmount/CCW component! Tiago Ribeiro please add GH link for new MTmount release.
            hdrass Holger Drass made changes -
            Status In Review [ 10004 ] Reviewed [ 10101 ]
            ttsai Te-Wei Tsai made changes -
            Resolution Done [ 10000 ]
            Status Reviewed [ 10101 ] Done [ 10002 ]

              People

              Assignee:
              ttsai Te-Wei Tsai
              Reporter:
              ttsai Te-Wei Tsai
              Reviewers:
              Holger Drass
              Watchers:
              Holger Drass, Te-Wei Tsai
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

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