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Random Motion Capture Model for Studying Events Between a Machine and its Operator
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2001
Source: Proceedings of the Advanced Simulation Technologies Conference, Orlando, Florida, July 15-19, 2001. San Diego, CA: Society for Computer Simulation International, 2001 Jan; :127-134
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Description:This paper presents a technique for representing and analyzing random motions and hazardous events in a computer simulated three-dimensional workplace, providing machine designers and safety analysts with a new technique to evaluate ways to reduce operator-machine interaction hazards. 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. By simulating motions of an operator's random behavior and a machine's appendage, researchers can accurately identify hazards, and use that information to form safe designs for mining equipment appendage velocity. Validating the model provided improvements in the operator's optimal viewing area, work task- starting positions, and operator's motions for a more accurate random behavior. Preliminary simulation results provided (1) an interesting approach to research data gathering in that there was no need for live subjects and test sites and costs associated with experiments become insignificant and (2) that the model was versatile by showing it was capable of accurately mimicking the range collision forces versus speed, operators' size, and risk behaviors found in actual industrial situations and showed (I) that response time significantly affects the number of collisions experienced by the virtual subject and (2) that analysts must be discerning with the model and not read more From the databases than what the simulation model was designed to deliver. Keywords: random human-motion, anthropomebics model, machine-operator hazards, mine safety
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