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Related Concept Videos

Common Leveling Mistakes and Errors01:17

Common Leveling Mistakes and Errors

A survey team is tasked with determining the elevation difference between points Point A and Point B, separated by uneven terrain. They use a leveling instrument and a leveling rod.Common MistakesMisreading the Rod: During a backsight reading at Point A, the instrumentman observes the rod partially obscured by tall grass. Instead of reading 1.135 m, they mistakenly record 1.735 m due to the misalignment of the crosshair with the wrong graduation. This error adds 0.600 m to all subsequent...
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Installation Method to Enhance Quality Control for Fiber Reinforced Polymer Spike Anchors
06:21

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Published on: April 10, 2018

Reducing control selection errors associated with underground bolting equipment.

Robin Burgess-Limerick1, Veronica Krupenia, Christine Zupanc

  • 1School of Human Movement Studies, The University of Queensland 4072, Australia. robin@hms.uq.edu.au

Applied Ergonomics
|December 18, 2009
PubMed
Summary
This summary is machine-generated.

Shape coding on underground bolting equipment controls can reduce errors, but only when control locations are changed. Arbitrary shape coding showed no benefits when control locations remained constant. Dual control layouts did not impact error rates.

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Area of Science:

  • Human-Computer Interaction
  • Occupational Safety
  • Ergonomics

Background:

  • Incorrect control selection in underground bolting and drilling equipment leads to severe injuries.
  • Control design aspects like shape coding and dual control bank layout need further investigation.

Purpose of the Study:

  • To assess the effectiveness of arbitrary shape coding in reducing selection errors in a virtual roof-bolting task.
  • To evaluate the advantages of mirror versus place layouts for dual control configurations.

Main Methods:

  • Two experiments were conducted using a virtual reality analogy of roof-bolting operations.
  • Investigated the impact of arbitrary shape coding and dual control bank layouts on control selection errors.

Main Results:

  • Arbitrary shape coding did not reduce errors when control locations were fixed.
  • Significant reduction in selection errors was observed when shape coding was combined with altered control locations.
  • No significant differences were found between mirror and place dual control arrangements.

Conclusions:

  • Shape coding's effectiveness in reducing control selection errors is dependent on control location.
  • Further research is needed to determine optimal dual control bank layouts for underground mining equipment.