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Related Experiment Video

Updated: May 5, 2026

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance

Published on: March 19, 2020

Heuristic procedure for the assembly line balancing problem with postural load smoothness.

Chorkaew Jaturanonda¹, Suebsak Nanthavanij, Sanchoy K Das

¹Department of Production Engineering, King Mongkut's University of Technology Thonburi, Bangkok, Thailand. chorkaew.jat@kmutt.ac.th.

International Journal of Occupational Safety and Ergonomics : JOSE

|December 11, 2013

Summary

This study introduces a heuristic method for assembly task assignment, balancing line efficiency and worker well-being. Equal weighting of balance delay and postural load optimizes workstation assignments for improved productivity and ergonomics.

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Experimental Methods to Study Human Postural Control

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Published on: September 11, 2019

Area of Science:

Industrial Engineering
Ergonomics
Operations Research

Background:

Assembly line balancing often prioritizes efficiency, potentially neglecting worker ergonomics.
Concurrent consideration of productivity and postural load is crucial for sustainable manufacturing.

Purpose of the Study:

To develop a heuristic procedure for assembly task assignment that simultaneously optimizes productivity and ergonomics.
To evaluate the effectiveness of the proposed procedure using a composite index of variation.

Main Methods:

Utilized Kilbridge and Wester's algorithm for initial task-workstation assignment to minimize balance delay.
Implemented a task reassignment algorithm to improve solutions by balancing postural load among workstations.
Employed a composite index of variation to quantify the overall effectiveness of task-workstation assignments.

Main Results:

The heuristic procedure successfully integrated productivity (balance delay) and ergonomics (postural load) considerations.
Task reassignment effectively smoothed postural load distribution among workers.
A minimum composite index of variation was achieved with balanced weighting of balance delay and postural load.

Conclusions:

The proposed heuristic procedure offers a balanced approach to assembly line design, enhancing both efficiency and worker health.
Equal importance given to balance delay and postural load leads to optimal task-workstation assignments in practical applications like garment assembly.