Difference between revisions of "PhDSupervision:Dhananjay Ipparthi"

From IridiaWiki
Jump to navigationJump to search
Line 16: Line 16:
 
== Academic Activities ==
  
== Academic Activities ==
   
−
=== 5th - 9th August, 2013 ===
 +
=== 12th - 16th August, 2013 ===
 
'''Plan'''
  
'''Plan'''
  +
* Find a shaker that shakes in a random fashion
⚫
* Reorganise experiment data from Paderborn visit
  
  +
* Find state of the art for multiple structure assembly
⚫
* Plot compatibility curve
  
−
* Read Hosokawa paper
 +
* Read Hosokawa paper [PENDING]
 
* Refinements to existing designs
  
* Refinements to existing designs
 
** Wall thickness
  
** Wall thickness
 
** Depth of magnets
  
** Depth of magnets
 
** Maximum and minumum structure sizes
  
** Maximum and minumum structure sizes
⚫
* Submit expenses for reimbursement
  
   
 
'''Accomplishments'''
  
'''Accomplishments'''
Line 31: Line 30:
   
 
'''Others'''
  
'''Others'''
  +
* Placed order for magnets
−
*
  
  +
 
'''Todos'''
  
'''Todos'''
 
*
  
*
  +
  +
=== 5th - 9th August, 2013 ===
  +
'''Plan'''
  ⚫
* Reorganise experiment data from Paderborn visit
  ⚫
* Plot compatibility curve [done]
  +
* Read Hosokawa paper [PENDING]
  +
* Refinements to existing designs [in progress]
  +
** Wall thickness
  +
** Depth of magnets
  +
** Maximum and minumum structure sizes
  ⚫
* Submit expenses for reimbursement [done]
  +
** ''' Marco transferred 800Euro to my bank account on 9th August, 2013 '''
  +
  +
'''Accomplishments'''
  +
* Followed up with LaserScript - no response
  +
  +
'''Others'''
  +
* Purchased external hard drive to store videos
  +
  +
'''Todos'''
  +
* Find a shaker that shakes in a random fashion
  +
* Find state of the art for multiple structure assembly
  +
* Read Hosokawa paper [PENDING]
   
 
=== 29th July - 2nd August, 2013 ===
  
=== 29th July - 2nd August, 2013 ===

Revision as of 12:24, 12 August 2013


Personal Information

Name: Dhananjay Ipparthi

Date of arrival in Brussels: 08th February, 2012

Home address: Rue des Vierges 58, 1000 Bruxelles

Telephone number: +32 483 382 207

Milestones

  • Ring assemble demo in Paderborn, 20th August 2013
  • Decision of continuation of fellowship, 31st January, 2014

Academic Activities

12th - 16th August, 2013

Plan

  • Find a shaker that shakes in a random fashion
  • Find state of the art for multiple structure assembly
  • Read Hosokawa paper [PENDING]
  • Refinements to existing designs
    • Wall thickness
    • Depth of magnets
    • Maximum and minumum structure sizes

Accomplishments

Others

  • Placed order for magnets

Todos

5th - 9th August, 2013

Plan

  • Reorganise experiment data from Paderborn visit
  • Plot compatibility curve [done]
  • Read Hosokawa paper [PENDING]
  • Refinements to existing designs [in progress]
    • Wall thickness
    • Depth of magnets
    • Maximum and minumum structure sizes
  • Submit expenses for reimbursement [done]
    • Marco transferred 800Euro to my bank account on 9th August, 2013

Accomplishments

  • Followed up with LaserScript - no response

Others

  • Purchased external hard drive to store videos

Todos

  • Find a shaker that shakes in a random fashion
  • Find state of the art for multiple structure assembly
  • Read Hosokawa paper [PENDING]

29th July - 2nd August, 2013

Plan

  • Conduct single target experiments on laser cut and 3D printed components in ABS plastic IR94 container
  • Conduct multiple target experiments on 3D printed and laser cut components
  • Take measurements for new bracket

Accomplishments

  • Conducted single target experiments with laser cut components in ABS plastic IR94 container
    • 45deg segments IR25OR35
    • 90deg segments OR35 circle
    • 90deg segments IR15OR25
    • 90deg segments IR25OR35
  • Conducted single target experiments with laser cut components in acrylic IR75 container
    • 45deg segments IR25OR35
    • 90deg segments IR25OR35
    • 90deg segments OR35 circle
  • Conducted single target experiments with 3D printed components in ABS plastic IR94 container
    • 45deg segments IR02OR35
    • 90deg segments IR25OR35
  • Conducted single target experiments with 3D printed components in acrylic IR75 container
  • Conducted multiple target experiments with laser cut components in ABS plastic IR94 container
    • 90deg segments IR25OR35 x2
    • 90deg segments IR15OR25 x2
    • 90deg segments IR15OR25 x3
  • Conducted multiple target experiments with laser cut components in acrylic IR75 container
    • 90deg segments OR35 circle x2
    • 90deg segments IR15OR25 x3
  • Conducted multiple target experiments with 3D printed components in ABS plastic IR94 container
    • 45deg segments IR02OR25 x2
    • 45deg segments IR02OR35 x2
    • 90deg segments IR25OR35 x2
  • Conducted multiple target experiments with 3D printed components in acrylic IR75 container
    • 45deg segments IR02OR25 x4


Others

Todos

  • Go through JICBackup_videos on kelvin workstation

22nd - 26th July, 2013

Plan

  • Conduct tests on N-N error reduction designs
  • Cut IR100mm container
  • Bracket revision!
  • Send LaserScript feedback email
  • Prepare for Paderborn trip
    • Make a plan for experiments
    • Make a list and pack

Accomplishments

Others

Todos

  • Update expenses spreadsheet [done]
  • Submit expenses to Muriel [done]

15th - 19th July, 2013

Plan

  • Send LaserScript email [done]
  • Update SVN
  • Cut IR 100mm container
  • Bracket!
  • Find ways to reduce N-N errors [in progress]

Accomplishments

  • The laser cutter was previously not calibrated accurately and caused errors in cuts. The cutter is now better calibrated.
  • Purchased 5mm plexi-glass sheet, 3 wood beams and Brico Discount Card [€195,47]
  • Designed and cut three modifications to reduce N-N error
    • Curved edge
    • Flanged edge
    • Filleted edges

Others

Todos

8th - 12th July, 2013

Plan

  • Send bracket sizes to Navneet [Done, €14,59]
  • Update Experiments spreadsheet [done]
    • Include dimensions of Big and Small environments [done]
  • Deeper cuts [done]
  • Inclined holes [done]

Accomplishments

  • Found suitable air-gap for components
  • Found configurations for components with inclined holes to bond
    • v-shape
    • straight line (causes the pieces to be offset)

Others

  • Meeting with Mauro:
    • Purchasing acrylic in bulk
    • Laser cutter calibration

To dos

  • Send LaserScript email regarding errors in calibration
  • Deal with bracket fit

1st - 5th July, 2013

Plan

  • Paderborn visit (3rd - 5th July, 2013)
    • Pack
      • Camera and tripod
    • Tests
      • Assemble components
      • Run single ring, two ring, extra pieces tests
    • Shaker details

Accomplishments

  • Hand held experiments at IRIDIA
    • Captured videos of single ring and multiple ring assembly experiments. Tabulated the results.
    • Conducted tests with extra pieces. The extra pieces used were were:
      • Quarter circle
      • Full circle
  • Shaker experiments in Paderborn
    • Speed tests
      • Acrylic environment: acrylic components and ABS plastic components
      • ABS plastic environment: acrylic components and ABS plastic components
      • Tabulated results
    • Assembly tests
      • Big acrylic environment: 90deg ring segments, 45deg ring segments, 90deg circle segments
      • Small acrylic environment: 90deg ring segments, 45deg ring segments, 90deg circle segments
      • Tabulated results
    • Captured videos

To do

  • Send bracket sizes to Navneet
  • Update Experiments spreadsheet
    • Include dimensions of Big and Small environments
  • Deeper cuts
  • Inclined holes

Others

24th - 28th June, 2013

Plan

  • Purchased [done]:
    • Washer/spacer for M7 and M8 screws - 1 each
    • 2m x 1m x 3mm Acrylic sheet - 1
    • 6mm Clips - 1
    • TOTAL : 111,97 Euro
  • Fabricate rings with lesser width [done]
  • Test to see if two rings can form simultaneously [done]
  • Prepare files and equipment for transport to Paderborn

Accomplishments

  • Self assembly of:
    • Circle: IR 2mm OR 35mm
    • 1 ring: 90deg segments IR 20mm OR 35mm
    • 1 ring: 45deg segments IR 20mm OR 35mm
    • 2 rings: 90deg segments IR 20mm OR 35mm
    • 3 rings: 90deg segments and 45deg segments

Others

17th - 21st June, 2013

Plan

  • Purchase acrylic sheets, MDF boards, sand-paper, glue [done] €184,46
  • Design and fabricate container for testing in July [done v2, shelved v1]
    • Design coupling that will allow any container to be easily mounted onto the shaker. [done v2, shelved v1]
  • Update Design Journal and Technical Report.
  • Design rings with lesser width
    • Observe lateral bonding

Accomplishments

  • Developed first self-assembling structure.

FirstSelfAssembledStructure 20130617.jpg

  • Estimated cutting errors for the Laser Cutter [done]
  • Purchased I-section nd L-section channels which will be used as the coupling that will join the container and the shaker. €7,59
  • Purchased nuts, bolts and washers. €8,77
  • Fabricated and assembled container(s) and brackets
    • Containers: IR 75mm and IR 135mm
    • Bracket

Other

10th - 14th June, 2013

Plan

  • Submit designs for fabrication [done]
    • Ensure pieces mate before submission [done]
  • Update reports and address Navneet's comments
    • Reorganised files and directories [done]
    • Revised time lines to reflect 2 week turn around time for 3D printing [done]
    • Create entries for 20130607 [done]
    • Update Design journal
  • Design and fabricate lid [done]
  • Design revision
  • Assembly simulations in SolidWorks [done]

Other

  • Procured 2 suitable glues for acrylics
  • Procured magnets
  • Test finishing with the 2 glues
  • Cut arcs with acrylic

3rd - 7th June, 2013

Plan

  • RAR defense [done]
  • Set up SVN [done]
  • Create two docs: Lab report and detailed report and include them in SVN [done]
  • Update Lab report based on meeting with Navneet [done]
  • Understood basics of SolidWorks [done]

Other

  • Semi ring designed in SolidWorks

1st March, 2013

Literature Review

Project Work

  • Work on FRS-FNRS Fellowship application
  • Work on Self-Reproduction Review Paper
  • Talk in Dubai

Development

Laboratory Activities

  • Assisting in big-arena robot storage setup

Ideas

Deliverable

  • Synthetic Reproduction Review Paper due by May 2013
  • Defense of Report of Advancement on 17th May 2013

Year 1: Feb 2012 - Feb 2013

Retrieved from "https://iridia.ulb.ac.be/w/index.php?title=PhDSupervision:Dhananjay_Ipparthi&oldid=6371"