Bus Operator Workstation Design for Improving Occupational Health and Safety (2016) / Chapter Skim
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Pages 56-64
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From page 56... ...
56 C H A P T E R 5 Human modeling software (RAMSIS) was applied for the demonstration of operator anthropometry, workstation fit, and workstation component accessibility.
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Human Modeling Validation of Bus Operator Workstation Design Guidelines 57 to compose a range of multivariate model operators representing a range of transit bus operators. These multivariate anthropometric dimensions are compared to the univariate dimensions applied in TCRP Project F-4 in Appendix C, Table C-2.
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58 Bus Operator Workstation Design for Improving Occupational Health and Safety average female with a 47th percentile stature and 69th percentile waist circumference. It may seem inaccurate to represent an "average female" with a waist percentile that is above average, but that is the nature of true size variance in any human population.
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Human Modeling Validation of Bus Operator Workstation Design Guidelines 59 Verification of SAE Packaging RPs The bus operator packaging model that resulted from the application of the current production vehicle data combined with the SAE Class B operator workstation RPs was verified by posture calculation with the male and female operator cadre. The initial posture calculation for each manikin was run with the steering wheel set at the middle of the recommended range (i.e., the SWP position)
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60 Bus Operator Workstation Design for Improving Occupational Health and Safety Figure 19. Posture calculation and constraints of manikin Male U to the bus operator workstation components.
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Human Modeling Validation of Bus Operator Workstation Design Guidelines 61 the pedals and floor, (2) the h-point was kept within the recommended seat fore-aft and vertical travel, and (3)
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62 Bus Operator Workstation Design for Improving Occupational Health and Safety intention of verifying that the contours predict clearances required by the manikin cadre. The contours were checked against the stomach and shin/knee positions of all manikins.
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Human Modeling Validation of Bus Operator Workstation Design Guidelines 63 for manikin Female U to be applied for controls requiring hand grasp. The index-fingertip and grasp reach surfaces for Female U are provided in Figures 28 and 29.
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From page 64... ...
64 Bus Operator Workstation Design for Improving Occupational Health and Safety Human Modeling Validation Summary The Bus Operator Workstation Engineering CAD Model was developed as a combination of international transit bus design guidelines and SAE packaging RPs bounded by current production North American transit bus vehicle architecture. The model was intended to provide suggested seat, steering wheel, and pedal positions and adjustment ranges to accommodate the range of bus operators within the workstation design.
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