Evaluation of different feedback designs for target guidance in human controlled robotic cranes: A comparison between high and low performance groups

Appl Ergon. 2023 Dec 20;116:104204. doi: 10.1016/j.apergo.2023.104204. Online ahead of print.ABSTRACTLabour shortages and costly operator training are driving the need for digital on-board robotic crane operator support in forestry and construction. This simulator study investigated the effects of sonification (auditory, pitch/loudness) and continuous visual (brightness/size) feedback on aiming movements with a robotic crane for low and high performers. The feedback was designed non-linear and linear. Thirty-six participants controlled a robotic crane bimanually using joysticks across 320 movements. Performance and skill indicators (movement time, accuracy, trajectory, smoothness) as well as satisfaction, and usefulness were assessed. Low-performing participants showed higher movement accuracy, particularly with non-linear pitch feedback compared to visual feedback. High performers exhibited no significant performance improvement in movement time, accuracy, or smoothness. There was no effect of linear or non-linear mapping of the feedback. Additionally, perceived satisfaction was lower with auditory than visual feedback. These results suggest that real-time auditory feedback can enhance operator accuracy whereas acceptance remains challenging.PMID:38128400 | DOI:10.1016/j.apergo.2023.104204
Source: Applied Ergonomics - Category: Occupational Health Authors: Source Type: research