Yoonseo Log: Difference between revisions

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=9/23-30/2011=
'''Left OSE on February 2013 in the aftermath of Nov 2012 conflict arising from zero sharing of CEB Press production profits, and also due in part by certain behaviour and comments by Marcin. Now starting an open hardware business - Open Tech Forever.''' [[User:YK|YK]] ([[User talk:YK|talk]]) 18:53, 19 February 2013 (CET)


*Researched Oscillators
=Past=


*Researched Operational Amplifier Design
[http://opensourceecology.org/wiki/Yoonseo_Log_1_2013 Yoonseo Log 1/2013]


*Researched Power Inverter Topologies
[http://opensourceecology.org/wiki/Yoonseo_Log_12_2012 Yoonseo Log 12/2012]


*Established General Circuit for Power Inverter
[http://opensourceecology.org/wiki/Yoonseo_Log_11_2012 Yoonseo Log 11/2012]


=9/16-23/2011=
[http://opensourceecology.org/wiki/Yoonseo_Log_10_2012 Yoonseo Log 10/2012]


*Researched CEB Floors
[http://opensourceecology.org/wiki/Yoonseo_Log/Archives Yoonseo Log <2/2012]


*Researched and identified sources of nickel-iron batteries
[[Category:Personal Logs]]
 
*Researched power inverters
 
=9/12-15/2011=
 
*Mostly focused on acquiring, semi-assembling, and shipping to FeF partial electronics for CEB Press operation.
 
=9/6-12/2011=
 
*Continued research and development for dairy milker
 
*Continued research and development for bakery oven
 
*Continued research and development for microcombine
 
*Continued research and development for industrial robot
 
*Continued research and development for spader
 
*Continued research and development for seeder
 
=9/6/2011=
 
*Started research and development for dairy milker
 
*Continued research and development for bakery oven
 
*Reformatted research and development for industrial robot
 
*Started researching proportional integral derivative control loops (summing functions)
 
*Added some hydraulic item sources to industrial robot bill of materials
 
=September 4-5, 2011=
 
*Uploaded improved control system diagram for industrial robot
 
*Uploaded improved structural system 3d drawing for industrial robot
 
*Learned how to apply a combination of firmware and HAL to custom machine control with help from cncbasher
 
*Researched slewing bearing sources
 
*Uploaded exemplary design information on bakery oven after discussion with bakery owner friend
 
*Edited google spreadsheet sourcing information for industrial robot
 
*Started HAL file creation for industrial robot
 
*Uploaded intro video
 
=September 3, 2011=
 
*Identified alternative slewing bearing applications in the industrial robot structural system
 
*Started 3D CAD Drawing of industrial robot structural system
 
*Discussed 1-axis testing resources in #emc
 
=August 31-September 2, 2011=
 
*Contacted continentalhydraulics
 
*Contacted Parker Hydraulics distributors for technical drawings/motor characteristics
 
*Worked on DPV documents/media
 
*Discussed software-side of control system on #emc for starting on HAL and INI files
 
*Received firmware files from cncbasher
 
*Designed functional structural system
 
*Started enhanced Industrial Robot bill of materials with google spreadsheet
 
=August 27-30, 2011=
 
*Contacted HydraulicHouse for vane motor technical drawings
 
*Contacted HydraulicsPneumatics for technical information
 
*Contacted Parker Hydraulics for technical information
 
*Contacted a hydraulics consulting organization for technical information
 
*Uploaded hydraulic circuit in Industrial Robot Research/Development
 
*Researched Slewing Bearings
 
*Started enhanced structural design concept creation for the industrial robot
 
=August 26, 2011=
 
*Contacted hydraulic motor sources for availability and pricing information
 
*Contacted Mesa Electronics for availability, compatibility, and pricing information
 
*Worked on detailed systems engineering diagram including software and hardware interconnects
 
=August 25, 2011=
 
*Researched FPGA development pathway for the industrial robot control system
 
*Identified proportional valves and analyzed a source for sample pricing
 
=August 24, 2011=
 
*Researched PID cards
 
*Researched alternative flow control methods
 
*Researched alternative software-hardware configurations for the industrial robot
 
*Improved gearbox design (lower weight)
 
*Researched methods to improve step motor characteristics
 
*Contacted various hydraulic motor suppliers for technical information
 
=August 23, 2011 and Before=
 
*Designed [[Industrial Robot]] and uploaded bill of materials and manufacturing instructions (work in progress)
 
*Researched encoders and quadrature counters (resolution up to 1.25 million cycles per revolution with 4MHz operation)
 
*Researched Denavit-Hartenberg parameters, emc2's genserkins and HAL (control system information)
 
*Researched hydraulic motor types and characteristics (gerotor, vane, external gear, axial piston, radial piston)
 
*Discussed ball and roller bearings with logari81 (raced or full complement, lubrication, material properties, conventional and alternate designs)
 
*Discussed emc2 use for the industrial robot with andypugh and PCW (HAL, operating bandwidth, corrective delay, control software-hardware compatibility, options)
[[Category:Logs]]

Latest revision as of 17:53, 19 February 2013

Left OSE on February 2013 in the aftermath of Nov 2012 conflict arising from zero sharing of CEB Press production profits, and also due in part by certain behaviour and comments by Marcin. Now starting an open hardware business - Open Tech Forever. YK (talk) 18:53, 19 February 2013 (CET)

Past

Yoonseo Log 1/2013

Yoonseo Log 12/2012

Yoonseo Log 11/2012

Yoonseo Log 10/2012

Yoonseo Log <2/2012

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