Recommendation for Ergonomic and Climatic Physiological Vehicle Seat Design

Ergonomic requirements are of the utmost importance in the design and construction of seats especially vehicle seats, in order to reduce the well-known disadvantages of a constrained sitting posture.

The difference between vertical back profiles of 95 percentile men and 5 percentile women requires backrests, which are adjustable to the length of the dirver's torso. This length adjustment involves the entire backrest and the support pads in the area of neck and lumbar lordosis of driver's spinal column to avoid intervertebral disk damage.

A new seat-prototyp, which is upholstered with polyurethane foam, allows the complete adjustment of the backrest contour to the back profiles of people of different height.

Registration of force and pressure distribution and microclimatic measurements are necessary in order to select improved upholstery materials. Recomendations are reported.