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Development of a methodology for simulating seat back interaction using realistic body contours
Seat comfort is driven in part by the fit between the sitter and seat. Traditional anthropometric data provide little information about the size and shape of the torso that can be used for backrest design. This study introduces a methodology for using three-dimensional computer models of the human...
The effect of bracing availability on one-hand isometric force exertion capability
Environmental obstructions that workers encounter can kinematically limit the postures that they can achieve. However, such obstructions can also provide an opportunity for additional support by bracing with the hand, thigh or other body part. The reaction forces on bracing surfaces, which are in...
Step scaling and behaviour selection in a constrained set of manual material handling transfers
Predictive biomechanical analysis of manual material handling (MMH) transfers is dependent on accurate prediction of foot locations relative to the task. Previous studies have classified common acyclic stepping patterns used during those transfer tasks, but the influence of walking distance prior...
Distribution of belt anchorage locations in the second row of passenger cars and light trucks
Seat belt anchorage locations have a strong effect on occupant protection. Federal Motor Vehicle Safety Standard (FMVSS) 210 specifies requirements for the layout of the anchorages relative to the seating reference point and seat back angle established by the SAE J826 H-point manikin. Sled testing...
Driver preference for fore-aft steering wheel location
The fore-aft location of the steering wheel relative to the pedals is a critical determinant of driving posture and comfort. Current SAE practices lack quantitative guidance on steering wheel positioning. This paper presents a model of subjective preference for fore-aft steering wheel position...
An anthropometric comparison of current ATDs with the U.S. Adult population
Objective: The anthropomorphic test devices (ATDs, or crash dummies) used in the assessment of vehicle crash protection were created based on particular anthropometric targets. The Hybrid-III ATDs widely used in the U.S. are commonly called the “5th-percentile femaleâ€�, “50th-percentile maleâ...
Optimizing the rear seat environment for older children, adults, and infants
Objective: Our recent rear seat safety research found that more-forward and higher lap belt anchorage locations and much shorter and stiffer seat cushions can improve the protection of older children from 6 to 12 years old who are using the vehicle belt without a booster. The objective of this...
Rear seat restraint system optimization for older children in frontal crashes
Objective: Analyses of crash injury data have shown that injury risk increases when children transition from belt-positioning boosters to the vehicle seat belt alone. The objective of this study is to investigate how to improve the restraint environment for these children. Methods: A parametric...
Optimizing truck cab layout for driver accommodation
One important source of variability in the performance and success of products designed for use by people is the people themselves. In many cases, the acceptability of the design is affected more by the variability in the human users than by the variability attributable to the hardware from which...

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