Jamming problems and the effects of compliance in dual peg-hole disassembly

Farzaneh Goli*, Yongquan Zhang, Mo Qu, Yue Zang, Mozafar Saadat, Duc truong Pham, Yongjing Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Disassembly is a crucial step in remanufacturingand is currently mainly performed by humans.Automating disassembly can reduce labour costs andmake remanufacturing more economically attractive.This paper focuses on identifying and characterizing acommon disassembly task, dual peg-hole disassembly,with the aim of building a robotic disassembly systemfor this task. We enumerate the possible contact statesand their geometric conditions during the extractionof two studs in a dual peg-hole. This paper focuses onjamming in the extraction and conducts geometricaland quasi-static analyses to determine the boundaryconditions of jamming. Based on the analyses, thispaper also investigates the role of active compliance asa solution to avoid jamming. We also simulate criticalvariables and examine key parameters such as thedegree of compliance, the location of the compliancecentre and initial position errors. Finally, we conductexperimental studies on dual peg-hole extraction withdifferent compliance centres obtained using active compliance.
Original languageEnglish
Article number20230364
Number of pages26
JournalProceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
Volume480
Issue number2286
DOIs
Publication statusPublished - 20 Mar 2024

Bibliographical note

Funding
This work was supported by the Engineering and Physical Sciences Research Council (EPSRC) under grant no. EP/W00206X/1.

Keywords

  • dual peg-hole extraction
  • disassembly
  • active compliance centre
  • robotic
  • force analysis
  • jamming

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