1,721,053 research outputs found
Multi-Level Modeling System for MCAD
No full textProceedings of the ADM International Conference 2001, Design Tools and Methods in Industrial Engineerin
Product Model Definition Support for Knowledge Aided Engineering Applications Development
No full textMultisensory Augmented Reality Experiences for Cultural Heritage Exhibitions
No full textHuman beings interact with the external world through the perception that they get by touching, looking at, listening to, tasting and smelling it. Even if this exploration is essential to identify opportunities and dangers, today it is also used to investigate, understand and enjoy objects that surround us and to use them to manage our life, have fun, increase our knowledge, relax, etc. To date, interaction is based primarily on sight, on hearing and on touch. Very little interaction, however, is based on smell, a sense considered very difficult to manage and to use for creating more pleasant and effective experiences. Yet, olfactory stimuli can make the interaction between users and objects more engaging and effective on sub-conscious levels and long-term memory. This can be particular relevant for museums, which are subjected to important changes in the way they use to involve visitors in their exhibitions. This work presents two case studies of olfactory experiences integrated in applications for cultural heritage purposes, and effectively used to enhance the user interaction and experience
A Framework for Developing XR Applications Including Multiple Sensorial Media
No full texteXtended Reality applications include multiple sensorial media to increase the quality of the User Experience. In addition to traditional media, video, and sound, two other senses are typically integrated: touch and smell. The development of applications that integrate multiple sensorial media requires a framework for properly managing their activation and synchronization. The paper describes a framework for the development of eXtended Reality mulsemedia applications and presents some applications based on the integration of smells developed using the framework
The design process of additively manufactured mesoscale lattice structures: A review
Full text linkThis review focuses on the design process of additively manufactured mesoscale lattice structures (MSLSs). They are arrays of three-dimensional (3D) printed trussed unit cells, whose dimensions span from 0.1 to 10.0 mm. This study intends to detail the phases of the MSLSs design process (with a particular focus on MSLSs whose unit cells are made up of a network of struts and nodes), proposing an integrated and holistic view of it, which is currently lacking in the literature. It aims at guiding designers' decisions with respect to the settled functional requirements and the manufacturing constraints. It also aims to provide an overview for software developers and researchers concerning the design approaches and strategies currently available. A further objective of this review is to stimulate researchers in exploring new MSLSs functionalities, consciously considering the impact of each design phase on the whole process, and on the manufactured product
Multisensory VR for delivering training content to machinery operators
No full textThe issue of training operators in the use of machinery is topical in the industrial field and in many other contexts, such as university laboratories. Training is about learning how to use machinery properly and safely. Beyond the possibility of studying manuals to learn how to use a machine, operators typically learn through on-the-job training. Indeed, learning by doing is in general more effective, tasks done practically are remembered more easily, and the training is more motivating and less tiresome. On the other hand, this training method has several negative factors. In particular, safety may be a major issue in some training situations. An approach that may contribute overcoming negative factors is using Virtual Reality and digital simulations techniques for operators training. The research work presented in this paper concerns the development of a multisensory Virtual Reality environment for training operators to properly use machinery and Personal Protective Equipment (PPE). The context selected for the study is a university laboratory hosting manufacturing machinery. It has been developed an application that allows user to navigate the laboratory, to approach a machine and learn about how to operate it and also what PPE to use while operating. Specifically, the paper describes the design and implementation of the application
User studies by driving simulators in the era of automated vehicle
Full text linkIn order to increase safety in the road and improve the user experience in the vehicle, the user studies have been conducted by researchers and practitioners in the automobile industry over the decades. Also, over time, the technology and design inside the car have changed and are leading to a faster, safer, and more comfortable user experience in driving, thanks to the results gained from the user studies. On the other side, the boosting automated driving technology gives new challenges to user studies in the validation of new technologies from the user’s perspective, improving the acceptance, employing the right usage, and so on. Laboratory driving simulation becomes one of the main methods for user studies because of its safety, ease of control, and precision in the scene restoration. In this paper, a typical fixed-base driving simulator will be introduced with a user interaction model in order to help the researchers to define the user study scope in each vehicle automation level and even predict the potential user study issues in the future autonomous vehicle technology and scenario. The strategy in the current study is to treat the different levels of automation in vehicles differently. Three case studies are provided accordingly from the low-automated to semi-autonomous driving and eventually fully autonomous driving. Each one addresses some of the critical points that should be paid attention to, in the user studies of the corresponding automation level, applying the previous model. In the low automation condition, the case study showed the effectiveness of the proposed method in the verification of olfactory modality interaction in the driver’s attention maintenance. The case study in the semi-automation condition demonstrated the capacity of the current method of capturing the user’s behavior changes in the take-over task, which is the most critical scenario in conditional autonomous driving. And the last case study showed the possibility to conduct comfort-related user studies in the full automation condition using the method, by monitoring the cognitive workload of users under different autonomous driving styles
The influence of slicing parameters on the multi-material adhesion mechanisms of FDM printed parts: an exploratory study
Full text linkThe potentiality of the Fused Deposition Modeling (FDM) process for multi-material printing has not yet been thoroughly explored in the literature. That is a limitation considering the wide diffusion of dual extruders printers and the possibility of increasing the number of these extruders. An exploratory study, based on tensile tests and performed on double-material butt-joined bars, was thus conceived; the aim was to explore how the adhesion strength between 3 pairs of filaments (TPU-PLA, PLA-CPE, CPE-TPU) is influenced by the material printing order, the type of slicing pattern used for the layers at the interface, and the infill density of the layers below the interface. Results confirm the effectiveness of mechanical interlocking strategies in increasing the adhesion strength even when thermodynamic and diffusion mechanisms of adhesion are not robust enough. Besides, thermal aspects also demonstrated to play a relevant role in influencing the performance of the interface
Wearable Olfactory Display for Museum Exhibitions
No full textThe use of odors in different areas, such as marketing, entertainment, wellbeing, and arts is nowadays calling increasing attention. Various types of olfactory displays to integrate into Virtual Reality applications have been proposed in recent years. Actually, several characteristics of the sense of smell and of odors still remain not fully understood, and the development of olfactory displays presents a high level of complexity. Therefore, new strategies for the development of more reliable and effective olfactory displays are required.This paper presents a wearable olfactory display, based on solid fragrances, to integrate into multisensory applications for museum exhibitions. The motivation is that the use of odors can be particularly effective for improving the users' involvement, comprehension and experience of art exhibitions. The paper also describes the experimental setup for the evaluation of the display
Support users towards more conscious food consumption habits: A case study
No full textDesign for Sustainability is a research area based on a multidisciplinary approach, which has become increasingly important in recent years. Great attention is paid to the design of products that can impact on users' behaviours, through embedded smart technologies, e.g. Internet of Things (IoT). In fact, IoT systems are able to "dialogue" with the users, supporting the identification of any misbehaviour, and suggesting more sustainable ones. This paper presents a research aiming at supporting users towards more conscious food consumption in their daily life to reduce food waste. As a case study, it has been developed an interactive system in which chicken eggs are used as main communication element. Indeed, the environmental footprint of the egg industry is very heavy, and eggs are one of the main wasted food. The interactive system consists of a physical product, an eggs tray, integrating sensors and actuators for handling the interaction with users. It is accompanied by an interactive application for monitoring eggs consumption, displaying eggs waste statistics, and an Augmented Reality part for children, aimed to improve their awareness about food waste and the impact on their food habits through an "edutainment" approach
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