Lex Log: Difference between revisions

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[[Image:Lex.jpg|thumb|[[Lex Berezhny]]]]
#REDIRECT [[User:Lex_Berezhny/Log]]
 
<html><iframe width="700" height="370" src="https://osedev.org/wiki/lex"></iframe></html>
 
=Oct 21, 2017=
* Really digging into Duniter over last couple of weeks and thinking about how it can work for OSE Coin. There are some issues with the currency related to growth. [https://forum.duniter.org/t/centrally-managed-wot/3475/ Started a thread on duniter forum] to understand feasibility and options.
* Working on [[OSEDev Workbench]]:
** PySide does not expose QtWebSocket (unlike PyQt, which does have this). This will make it a bit harder to integration the workbench with osedev.org. Will look into hacking the pure Python [https://github.com/websocket-client/websocket-client websocket-client] implementation to accept the PySide [https://srinikom.github.io/pyside-docs/PySide/QtNetwork/index.html QtNetwork] ssl socket object.
** Will have to split up all of the tasks needed to get osedev and the workbench talking to each other into bite size chunks so I don't get overwhelmed.
 
 
=Oct 14, 2017=
* [[File:CNC_Torch_1708_Z_Axis.fcstd]]
* [[Lex Meta Notes]]
 
 
=Oct 12, 2017=
*[[OSEDev Workbench]]
 
 
=Oct 11, 2017=
*[[File:CNC_Torch_1in_carriage.fcstd]] [[File:CNC_Torch_1in_carriage_metal_plate.fcstd]] - Updated all holes to be R0.155".
 
 
=Oct 10, 2017=
* Dev Meeting
*[[File:CNC_Torch_1in_carriage.fcstd]] - Changed bearing grove from 1.3" to 1.36". Increased length of long side from 5.9" to 6.0". Moved bolt holes on each end by 0.1" towards the edge.
*[[File:CNC_Torch_1in_carriage_metal_plate.fcstd]] - Plate thickness changed to 0.25". Bolt holes resized to 0.155". Bolt holes moved closer to edge to match the plastic.
 
 
 
=Oct 9, 2017=
*[[File:GT2 double pulley.fcstd]] - recreated the pulley in FreeCAD Sketcher WB from provided dimensions
 
Worked some more on the GT2 double pulley trying to get the belt and teeth done. Josh helped me out a lot with answering questions, etc.
 
I think the main issue is that I was using FreeCAD 0.17 (daily build) and it's just too buggy. Going to continue later with 0.16 and see if it's a smoother experience.
 
Wrote a little bit of Python code for Michel to help him with his blender part exploder.
 
=Oct 8, 2017=
*[[File:GT2 double pulley.fcstd]] - double pulley with 20 teeth, mirrored from this single version: from https://grabcad.com/library/timing-pulley-gt2-20-teeth-5mm-bore-2/details?folder_id=2369004
 
=Oct 6, 2017=
* [[OSE Market]]
* [[OSEDev Kit]]
* [[OSEDev Workbench]]
* [[File:CNC_Torch_1in_carriage.fcstd]]
* [[File:CNC_Torch_1708_Motor_interface.fcstd]]
 
=Oct 3, 2017=
*[[File:GT2 double pulley.fcstd]]
 
= July 22, 2015 =
 
Direct modeling CAD systems (SketchUp) can be made more precise and predictable by adding some facility for parameterization, this technique is called: Variational Direct Modeling
 
http://www.ledas.com/pdf/VariationalDirectModeling.pdf
 
For an even broader overview of why variational direct modeling is a way forward: [http://isicad.net/articles.php?article_num=14805 Direct Modeling - Who and Why Needs It? A Review of Competitive Technologies]
 
A potential open source direct modeling CAD application should have this feature.
 
= July 19, 2015 =
Researching the implementation of an Operational Transform web based CAD system.
 
Purchased a copy of this paper: [http://dl.acm.org/citation.cfm?id=2145412&CFID=529177936&CFTOKEN=14543251 Operational transformation for dependency conflict resolution in real-time collaborative 3D design systems]
 
Which discusses a few specific OT functions necessary to deal with graphs of dependent objects, essentially this resolves some issues related to multiple people editing inter-dependent parametric data at the same time and how to merge conflicting operations.
 
Full size "mech warrior" robots, could be re-purposed to do construction/agricultural work... http://www.megabots.com/
 
Also, PhD Thesis on walking robots: [http://people.csail.mit.edu/hofma/Assets/Thesis_12_02_2005.pdf Robust Execution of Bipedal Walking Tasks From Biomechanical Principles]

Latest revision as of 00:45, 2 November 2017

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