Hours 0910

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Oct 09

tue oct 6

  • install, experiment with eispice for simulation
  • 2:40p - 11:15 -25
    • discuss project status w/ZH
    • meet w/DG - explain VS and KS loops, LF, we study backlash and photo disassembly
    • set up LF photos on webserver, setup software files for GG
    • investigate SG problem on TJ
    • review SG layout


mon oct 5

  • 30 mins - developing switching power simulation
  • 3:15- 5:45, -15
    • review IW0905 DRC errors, correct and submit
    • PCB submission accepted from SPE
    • ordered storage bins
  • 6:15pm - 10:45, -45 mins
    • review time drift experiment, improve translation of log file to matlab.
    • meet w/RC re new hires, plans for each, etc
    • review MPD hardware design changes, email MR


sun oct 4

  • 30 mins - developing switching power simulation
  • 4:30pm- 7:20pm


sat oct 3

  • 1am - 2am??
    • review LF stopped data, and restart
  • 1pm - 2:45
    • analysis of LF log file (update program for new log format, correct errors.)
  • 3:55 -
    • LF stopped after 11014 passes - review physical status of LF, appears okay.
    • the most direct observation of the cause of stop is that cycle timer counter stopped after 500 tics. Could be that SWIFI data wasn't received yet, or that the timer actually stopped!
    • belt is slipping and which causes the zero to drift - which causes the encoder trigger point to be missed.

Fri Oct 2

  • 11:30a - 1:15p
    • review AVR report from PCB fab house. Errors need to be correct and resubmitted.
  • 5:00p - 7:00 p
    • correct DRC mistakes, resubmit.
  • LF stopped after 314278 passes (22:14pm)


Thur Oct 1

  • 9-10:30
    • improve gnd grid, add plane for switcher, and correct poor routing issues w/WIP4C1.
  • 4-8:15
    • improve manual routing of WIP4C1, manual route of VCC33, re run auto route
    • create a dclamp2 -
    • submit project to fab house for DRC analysis
  • 9:30p - 2:15 a
    • review time drif experiment and improve output and start plotting
    • test LF, checking output data, build new envelope for 2000N
    • setup testjig to monitor copley (required reboot and serial cable was moved)
    • running lifefix w/trajectory enevelope testing and SWIFI logging to linux box.


notes