The notion of symbiosis has been increasingly mentioned in research on physically coupled
human-machine systems. Yet, a uniform specification on which aspects constitute human …

During validation of power tools, one objective is to determine the usability of the device for
several applications. A common way to gain this user knowledge is to carry out tests under …

The implementation of evaluation methods with the aim to gain knowledge of the perceived
quality aspects is a challenging task because of versatile disruptive factors on the users' …

In this study the geometric parameter of the contact length is introduced, which intends to
combine force exertion and perceived handle comfort in an anthropometric length in order to …

The development of user-centered designed products offers great benefits for the user by
increasing the perceived usability of the product. To achieve this, the interactions within the …

During the evaluation of usability aspects of products, disruptive factors influence the results
significantly. This contribution verifies approaches for reducing disruptive factors during …

For the optimization of human-machine systems, it is necessary to gather knowledge about
human-machine interaction. For power tools this knowledge is often built up in laboratory …

In order to optimize the use of hand/power tools, user differences such as the influence of
user expertise must be considered in product design. Therefore, product-independent non …

Hand-held angle grinders play a major role in metalworking and are used, among other
things, for preparing and finishing of welding joints, cutting workpieces and polishing …

The design of various products is driven by requirements that describe extremes. In marine
structural design, joint extremes of environmental variables like wave height and wind speed …