Test Technologies Contributing to Electrification - 3. Virtual Reality Test Technologies for Evaluating Quality of New Mechanical Parts Without PrototypingFig. 4 Evaluation environment for the impression of automatic door handle movementFig. 5 Elements constituting a VR evaluation environmentFig. 6 Use cases and perceptions and behaviors of the user Fig. 7 Reproduction elements of a virtual space (example)(example)the field of view from the viewpoint that matches the posture and physique of the evaluator, changes in the appearance of the object to be viewed synchronously with the behavior of the evaluator, and size of the object during use.A VR evaluation environment with the potential to satisfy these requirements is selected from a variety of evaluation environments (Fig. 4). The VR evaluation environment, which reproduces the experience of use in a virtual space, includes three elements: an input section that receives the behavior of the evaluator; an environment reproduction section that reproduces changes in the surrounding environment resulting information presentation section that reproduces sensations (visual and audio) based on changes in the surrounding environment (Fig. 5).from the behavior; and an The process of establishing a VR evaluation environment for retractable door handles is as follows: (1) Use cases describing the experience of using retractable door handles in chronological order, as well as the perceptions and behaviors of the user for each use case, are summarized (Fig. 6). (2) The reproduction elements necessary to allow users to experience perceptions and behaviors linked to use cases in a virtual space are determined (Fig. 7).47
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