Abstract Materials selection involves thousands of material types and evaluation parameters. Considering multisensory experience for packaging materials selection is an important trend but a difficult duty that involves uncertainty due to the subjectivity of humans. The main aim of this study is to establish a model to determine the consumer sensory experience of packaging materials as a function supporting packaging material selection development. When the consumer interacts before and after opening the packaging, vision and tactility are the foremost sensory feedback types, which are difficult to measure for fuzziness and uncertainty. Thus, given the consumer senses of vision and tactility, this paper addresses the relationship between sensory experience and packaging material properties. This is creatively formulated in three stages from the physical properties and the psycho‐physical to the affective levels. The proposed approach that combines fuzzy theory and three‐stage network data envelopment analysis (DEA) is used to rank 12 toning lotion bottle packaging materials. It is validated that this model allows a clear decision‐making basis for material selection in packaging design, and physiological signal tests provided key data to support material selection. Moreover, it realized the function of predicting physiological signal according to material properties by backpropagation neural network (BPNN).
The development and application of virtual reality (VR) technology significantly enhances consumer immersion. Exploring a multi-sensory evaluation model for virtual packaging is valuable for integrating VR technology with packaging. This study developed a multi-sensory evaluation model for virtual packaging using the analytic hierarchy process (AHP). Eye-tracker experimentation was conducted to identify consumer attention indicators when interacting with virtual packaging. These indicators were quantified using Saaty’s nine-level importance scale and expert input, resulting in a comprehensive multi-sensory evaluation model. Subsequently, a VR shopping system focused on potato chips and cola as packaging design objects. This system was evaluated using the established model, and the results were analyzed. Based on the findings, improvements were made, and the system was re-evaluated using the modified model. The post-improvement evaluation demonstrated significantly enhanced sensory experiences. These results validate that the developed evaluation model effectively guides multi-sensory design approaches for packaging within a VR environment.
It is difficult to meet the requirement of practical ability training goal in package engineering specialty with only traditional didactics focused on theoretic lectures.Thus, we introduced "contest driven" didactics in practical teaching sections such as projects of packaging system design course and curriculum design, in order to promote learning by contest.In this paper, we introduce the teaching effect of designing contest on the topic of "package design of egg air-dropping without parachute from low altitude".The rationality and scientificity of creative structure design in student work is analyzed, and the mode of thinking and typical design misunderstanding in students' package design practice under extreme protection requirements are pointed out.On this basis, we proposed a contest driven didactic with "design -experiment -contest" as key elements, to help students to establish system engineering design consciousness, and to improve their comprehensive design ability.
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