Truck Cab Dimensions and Body Design Considerations
Explore the correlation between truck cab dimensions and body measurements for optimal design, with a focus on key aspects like seating height, knee height, abdomen depth, and arm length. Understand how to choose the appropriate percentile for each dimension to ensure ergonomic comfort and safety for drivers.
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Presentation Transcript
Example 1 The following figure shows a view of the driver's seat of a truck cab, with dimensions corresponding to the letters below. The figure of the person indicate 36 different body dimensions. For each cab dimension below, indicate (first column) the important (limiting) body dimension number, and (second column) whether a 5th or 95th percentile anthropometric dimension should be used. King Saud University College of Engineering Department of Industrial Engineering 13 April 2025 1
Example 1 King Saud University College of Engineering Department of Industrial Engineering 13 April 2025 2
Standard Standing Posture cont. King Saud University College of Engineering Department of Industrial Engineering 13 April 2025 3
Standard Sitting Posture cont. King Saud University College of Engineering Department of Industrial Engineering 13 April 2025 4
Standard Sitting Posture cont. King Saud University College of Engineering Department of Industrial Engineering 13 April 2025 5
Example 1 Cab Dimension (from figure) Limiting Body Dimension (from figure of person) Design Dimension to Use (5th or 95th) A. Distance from seat to roof 8 Seated Height 95th B. Distance from top of foot pedals to lower edge of steering wheel 15 Knee Height 95th C. Horizontal distance from lower edge of steering wheel to seat back (this is really a clearance issue) 21 Abdomen Depth 95th D. Vertical distance from lower edge of steering wheel to floor (again, a clearance issue) 15 Knee Height 95th E. Distance between dashboard and seat back (reach to dashboard) 24 Arm Length (forward grip 36) 5th King Saud University College of Engineering Department of Industrial Engineering 13 April 2025 6
