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A simulation approach analyzing random motion events between a machine and its operator.

Authors
Ambrose-DH
Source
SAE Technical Paper Series 2000-01-2160 2000 Jun; :1-11
NIOSHTIC No.
20020876
Abstract
This paper presents an approach for representing and analyzing random motions and hazardous events in a simulated three-dimensional workplace, providing designers and analysts with a new technique for evaluating operator-machine interaction hazards in virtual environments. Technical data in this paper is based upon a project striving to reduce workers' risks from being hit by underground mining machinery in a confined space. The project's methodology includes human factors design considerations, ergonomic modeling and simulation tools, laboratory validation, and collaboration with a mining equipment manufacturer. Hazardous conditions can be analyzed in virtual environments using collision detection. By simulating an operator's random behavior and machine's appendage velocity, researchers can accurately identify hazards, and use that information to form safe design parameters for mining equipment. Analysts must be discerning with the model and not read more from the databases than what the simulation model was designed to deliver. Simulations provided an interesting approach to data gathering in that there was no need for live subjects and logistics - test sites and costs associated with experiments - became insignificant. Collisions versus speed, operators' size, and risk behaviors proved the versatility found in the data obtained from the model. Preliminary results show that response time significantly affects the number of collisions experienced by the virtual subject. Also simulation data suggests that more mishaps occur with hand-on-boom-arm risk behavior.
Keywords
Mining-industry; Machine-operators; Hazards; Underground-mining; Work-environment; Work-operations; Workers; Workplace-studies; Ergonomics; Human-factors-engineering; Humans; Mining-equipment; Simulation-methods; Confined-spaces
Contact
NIOSH Pittsburgh Research Laboratory, P.O. Box 18070, Pittsburgh, PA 15236
Publication Date
20000601
Document Type
Conference/Symposia Proceedings
Fiscal Year
2000
NTIS Accession No.
NTIS Price
ISSN
0148-7191
NIOSH Division
PRL
Source Name
SAE Technical Paper Series 2000-01-2160. Digital Human Modeling for Design and Engineering Conference and Exposition, Dearborn, Michigan, June 6-8, 2000. Paper No. 2000-01-2160
State
PA; MI
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