... Tiedown motion is 1.7 times the requested platform motion (cable and boom stretch). ... motion. the dashed red line is when the calibration scan occurred. 2nd: The tiedown ...
... To get an idea for how the tension in the tiedowns varies with telescope motion, 3 different projects that use repetitive telescope motion were selected (a fourth day was also included to show typical tracking of sources). ...
... td 4 erratic motion 03dec13 . 04dec13 . Summary:. ... maintenance reported erratic motion with td4 on 03dec13 (the operator logged the time as 12:31 ). ...
... Azimuth motion failures dec09,jan10 . feb10 . 07dec09: . Resolution: . ... There was a series of azimuth motion failures on 07dec09 and again on 31jan10. ... A motion failure can be caused by encoder showing that the system moved opposite to ...
... 02mar11 . Intro: . The dataset: ( top ) . Examples of telescope motions ( top ) . ... Unbalanced moments for typical motions: .. ... they moved the telescope through a range of motions and looked to see how the stress ...
... Platform motion as we pull on the tie downs . 13 apr 2001. ... date . az, za position . tiedown motion . 2apr01 . az:271 za:19.69 . 19"-12"-19" . ... The top plot shows the vertical motion for corner 12, 4, and 8. 02april a seven inch ...
Links to plots: . the total tiedown tension vs temperature (.ps) ( .pdf ): . the td tension by corner vs za, az, and temperature (.ps) ( .pdf): . The tiedown tension model generated from the 2008,2009 tiedown data was used to plot the tensions vs az,za...
... PntErr vs platform motion . Intro: . idl routines to compute the errors.. ... jun12 . This page computes the pointing error for various platform motions. ... Pointing runs with these motions applied are used to check the accuracy of these ...