THE XXVIII-th INTERNATIONAL CONFERENCE of INVENTICS "INVENTICA 2024"

SCIENCE OF CREATIVITY

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• Publisher: Sciendo
• Year: 2024
• Topic: Technology & Engineering
• eBook ISBN:
  9788367405799
• Subtopic: History of Art
• Index: Technology & Engineering

"INVENTICA 2024 - The Science of Creativity" offers an exciting platform for individuals passionate about creativity across various fields to share and explore research ideas. This event is not only a celebration of inventors but also a synergistic space that fosters innovation within a cultural field that has been nurtured for over 50 years by the School of Inventions in Ia?i. Its aim is to showcase, disseminate, and promote the findings of scientific research and top technological advancements, as well as to highlight achievements and progress in the realm of creativity.

The conference is dedicated to advancing scientific research in inventions and innovative products, providing a unique gathering for researchers engaged in invention and innovation. "INVENTICA 2024 - The Science of Creativity" covers a broad range of topics, including psycho-technical creation, technical creation methods, interdisciplinary research on optimizing human performance, creativity in engineering, the intersection of science and art, and intellectual property.

The primary goal of this conference is to establish an academic forum that encourages scientific innovation and creativity. This event also represents an excellent opportunity for attendees to network, communicate, and share their research and innovations with a broad audience, including the public and potential users.

Conference date, place
4th of July 2024, Iassy, Romania

Conference Organizer
Technical University "Gheorghe Asachi" of Iasi, National Inventics Institute of Iasi and Department of Digital Production Systems of the Machine Manufacturing and Industrial Management Faculty

Article Processing Charge (APC)
The Conference Fee (100 € for paper) includes: admission to all sections and on-line workshops, the volumes of Conference and certificate of attendance.

Contact: [email protected]

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Table of contents

• GENERALIZED TRANSTIBIAL PROSTHESIS – APPLICATION OF THE METHOD OF HIERARCHICAL DESCRIPTION OF TECHNICAL SYSTEMS IN PROSTHETICS
• Dimitrie-Cristian FODOR1,2, Neculai-Eugen SEGHEDIN1
• 1"Gheorghe Asachi" Technical University of Iași,
• 67 Professor Dimitrie Mangeron Boulevard, 700050, Iasi, Romania
• 2"Dr. Iacob Czihac" Military Emergency Clinical Hospital of Iași,
• 7-9 General Berthelot Henri Mathias Street, 700483, Iasi, Romania
• [email protected], [email protected]
• Abstract: Since the number of amputees is increasing worldwide, numerous constructive variants of lower limb prostheses have been developed over time, each with its own functions. However, no prosthesis in the literature encompasses all the modules cr...
• Keywords: technical creation methods; generalized transtibial prosthesis; amputation; idea generation; prostheses.
• I. INTRODUCTION
• Current research in the field of active prostheses focuses more on achieving natural and efficient locomotion while providing feedback to the amputee, which involves the use of significant and costly technical resources, concretely organized in the fo...
• According to the analysis conducted by Domínguez-Ruiz et al. [4] concerning the materials used in the development of prostheses, control systems, utilized electronics, energy management during the use of such a prosthetic system, processing different ...
• By using the method of hierarchical description of technical systems, this paper has, for the first time, generated the concept of a generalized prosthesis that reproduces most of the functions developed in isolation by different researchers, with the...
• II. METHOD OF HIERARCHICAL DESCRIPTION OF TECHNICAL SYSTEMS
• The analysis of technical systems using the method of hierarchical description of technical systems involves decomposing the fundamental component elements of technical systems, following these steps: (1) establishing the functions of the technical sy...
• The order of describing technical objects (technical systems) is used in structuring technical creation problems, and there is also the possibility of classifying creation themes. The main stages of the method are: generating the technical project, th...
• III. RESULTS AND DISCUSSIONS
• In the present work, the method of hierarchical description of technical systems was applied to active transtibial prostheses (ATTP) identified in the literature, and the generalized transtibial prosthesis (GTTP) was designed, which combines most of t...
• To fulfill these functions, the prostheses are equipped with a series of mechanisms generating mechanical work, controlled in close correlation with biological principles to copy the appropriate biomechanics. The technical project of a generalized tra...
• The functional structure of the generalized transtibial prosthesis is presented in Fig. 2 in the form of a directed graph. The vertices represent the elements (0, A-T), and the edges represent the functions and relationships between these elements use...
• The technical solution of a generalized transtibial prosthesis model is illustrated in Fig. 3. This allows the decomposition of the generalized prosthesis into the general component elements of which it is formed and which enable the fulfillment of th...
• At the first general level of approach, the general structure of this generalized active transtibial prosthesis contains several functionally interconnected basic subsystems, namely (fig. 4): (I) a support subsystem for attaching the prosthesis to the...
• The input subsystem (In) contains those elements that make it possible to attach the prosthesis to the patient's remaining limb and that ensure the support and interfacing of the machine with the biological body. This subsystem connects with the other...
• The output subsystem (Ie) comprises those elements that effectively perform mechanical work (various actuators) to support the patient and to achieve movements of the bionic/artificial limb. The intermediate subsystem 2 (Im 2) includes elements capabl...
• At the second level of approach, the structures of the input, intermediate, and output subsystems are established (Fig. 5).
• Following the analysis of transtibial prostheses, several structures for GTTP emerged. The input subsystem (support and interfacing) consists of approximately 2-4 generic elements. Of these, two elements are absolutely necessary: the interface with th...
• The output subsystem (actuation) consists of as many elements as necessary to actuate the mechanical modules present in the prosthesis. The elements of this subsystem generate movements at various levels of the prosthesis, according to certain degrees...
• The GTTP structure is a complex, often asymmetrical, tree structure, unlike passive prostheses, which have a linear, symmetrical functional structure. The functional structures underlying the realization of GTTP are encountered in a very large number ...
• This paper provides a detailed analysis of active transtibial prostheses described in the literature, using the method of hierarchical description of technical systems. Following the analysis, it is maintained that none of the prostheses mentioned in ...
• Thus, the concept of a generalized transtibial prosthesis has been generated for the first time, capable of reproducing most of the functions developed in isolation by various researchers and serving as a map for the initial positioning of researchers...
• Acknowledgements
• „Această lucrare a fost finanțată prin programul ”Granturi naţionale de cercetare – ARUT” acordate de către Universitatea Tehnică ”Gheorghe Asachi”din Iaşi“, contract nr GnaC2023_269/ „This work was supported by a National Research Grants of the TUIAS...
• References
• [1] Gehlhar, R., Tucker, M., Young, A. J., și Ames, A. D. (2023). A review of current state-of-the-art control methods for lower-limb powered prostheses. In Annual Reviews in Control (Vol. 55, pp. 142–164). Elsevier BV. https://doi.org/10.1016/j.arcon...
• [2] Fodor, D.-C., și Seghedin, N.-E. (2022). Technical Progress in Limb Prostheses: A Classification of Existing Devices. In Bulletin of the Polytechnic Institute of Iași. Machine constructions Section (Vol. 68, Issue 3, pp. 31–40). Walter de Gruyter ...
• [3] Fodor, D. C., Seghedin, N. E. (2022). Ideas diagram of active ankle-foot prostheses. The XXIII International Conference ”INVENTICA 2022”. Iași. Romania;
• [4] Domínguez-Ruiz, A., López-Caudana, E. O., Lugo-González, E., Espinosa-García, F. J., Ambrocio-Delgado, R., García, U. D., López-Gutiérrez, R., Alfaro-Ponce, M., și Ponce, P. (2023). Low limb prostheses and complex human prosthetic interaction: A s...
• [5] Seghedin, N. E. (2022). Applications in technical creation (In Romanian), Ed. Performantica, Iași.