Technical note: Spine loading in automotive seating

For car manufacturers, seat comfort is becoming more important in distinguishing themselves from their competitors. Therefore, many studies on participative seat comfort are carried out. In this paper, an objective assessment approach is reported which evaluates the concept of "optimal load distribution", based on the identification of a close...

The relationship between seat pressure and comfort

With rising customer expectations, driver comfort will become more and more important for car manufacturers in distinguishing themselves from others. This is a challenge, since it is difficult to predict comfort, especially in early design stages. Today, comfort can only be assessed and tested very late in the design a construction process ...

Human modelling for automotive seating comfort

The relationship between seat pressure and comfort

Tomorrow driver comfort will become more and more important for car manufacturers in distinguishing themselves from others. Today, comfort can only be assessed and tested very late in the design and construction process (often using prototypes). Potentially, biomechanic software provides a solution for early comfort testing. Hence, the...

Comfortable earth moving machinery: knowledge and experiences from the Eurocabin project

The operator's comfort more and more is recognized as a factor of importance in the design of cabins of all kinds of vehicles. This book addresses the comfort of cabins of earth moving machinery, as a result of a 2,5-years European project (1999-2002), known as 'Eurocabin'. In this project 3 manufacturers of earth moving machines joined their...

Sewing machine operation: Workstation adjustment, working posture, and workers’ perceptions

At a traditional sewing machine workstation professional operators worked at ten different combined adjustments of table height, desk slope, and pedal position. Working posture and workers’ perceptions were measured. Two recommendations were formulated in order to minimize the load on the musculoskeletal system during operation, i.e. (1) the...

Ergonomic and anthropometric issues of the forward Apache crew station

This paper describes the anthropometric accommodation in the Apache crew systems. These activities are part of a comprehensive project, in a cooperative effort from the Armstrong Laboratory at Wright Patterson Air Force Base (Dayton, Ohio, USA) and TNO Human Factors Research Institute (TNO HFRI) in The Netherlands. The main objective of the...

Ergonomisch ontwerpen en de opmars van digitale mensmodellen [Ergonomic design and the advance of digital models]

From an ergonomic perspective, the quality of a CAD-design is determined by the validity of the applied digital human model. A brief description of recent research shows that the collar bone of the BMD HMS (Boeing McDonnell Douglas Human Modelling System) model has insufficient length. Also the model doesn't take into account the deformation of...

Multi-dynamic office chair: natural sitting behaviour with proper body support

Office work often requires seated postures for many hours a day. It has been observed that during sitting various postures are adopted. Obvious1y, one reason for this behaviour is given by the variety of postural demands stemming from the operations to be performed. Furthermore, we know that sustained postures most often demand a continuous...

Zitcomfort en warmtehuishouding van de Daf/Berkhof Autobus