Factory and enterprise systems
Figure 1. The ManuVAR PLM model and the concept of bi-directional communication through the life cycle. Several actors (a worker, a designer and a human factors expert) located at different stages of the life cycle (outer layer) communicate off-line or on-line with each other via the virtual model (in the centre). Each actor has a customized view (user interface) of the shared virtual model. As soon as one actor affects the virtual model, all other actors are able to perceive the result. Compared with the process-driven communication in a chain, this communication is more flexible and allows easier change management and synchronization among multiple actors. Source: 
manual work can be an opportunity for European industries. The main characteristics of the ManuVAR system architecture include (Figure 1): • Bi-directional communication throughout the system life cycle (e.g. workers’ feedback to the designers, the designers’ recommendations to the workers) is accomplished by means of a ‘virtual model’. The virtual model plays the role of a communication mediator – a single sys-
temic access point to the variety of data, information, models on the system for all users in the life cycle – accessed as an integral system by ‘virtual experiments’ . Adaptive VR/AR user interfaces to the complex virtual model that fits all actors in the life cycle from workers to engineers and managers. The VR/AR interfaces are implemented through component reconfiguration with low-delay middleware (haptics, tracking, VR/AR visualization, application logic, connection to PLM systems) .
Production matters. VTT in global trends. Kai Häkkinen (ed.)