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This study aims to carry out an investigation of design approaches that should be used for the design of unconventional, innovative transmission system for construction yards to privilege a smooth behaviour efficiency, and the use of innovative production techniques. Results are quite surprising, as with a proper method it is possible to demonstrate that a cycloidal drive with Wolfrom topology should be an interesting solution for the proposed application.

With a functional approach, also considering materials and specifications related to the investigated application, it is possible to demonstrate that possible optimal solutions should be quite different respect to the ones that can be suggested with a conventional approach. In particular for proposed applications constraints related to encumbrances, the choice of new material has led to the innovative unconventional choice of a Wolfrom cycloidal speed reducer.

Provided solution is innovative respect current state of the art for machine currently used in construction yards: in terms of adopted transmission layout; in terms of chosen materials, resulting in an innovative solution.

Current research has strong implications on the adoption of polimeric materials for the construction of reliable transmission for harsh industrial environment as the proposed case study (concrete mixer for construction yard).

Proposed transmission system is absolutely original and innovative respect current state of art also considering proposed materials and consequently production methods. This is an example of transmission designed to be built with polymeric materials by optimizing chosen topology respect to chosen material.

Healthcare has been facing rising challenges in recent years. To mitigate these issues, an appreciable amount of effort has been invested in studies about Healthcare 4.0. Despite the recognized importance of this topic, its recentness and multidisciplinary character are obstacles to its precise understanding. In this light, this paper aims to provide a comprehensive view of the current development of Healthcare 4.0.

We systematically reviewed the literature, which resulted in 130 papers retrieved from the Web of Science and Scopus databases. Quantitative and qualitative analyses were carried out using this sample.

As a result of the quantitative analysis, we notice an increasing trend in health-related studies, notwithstanding its novelty. India is also recognized as the leading reference on the subject, as it is the country with more papers in the sample and the most influential authors. On the other hand, through qualitative analysis, an extensive review and analysis of the technologies and applications of Healthcare 4.0 is presented, along with a discussion of its underexplored areas.

The results of this paper provide valuable knowledge to guide and encourage further analysis on this topic, including recommendations for future research directions.