The paper began by giving an overview on the typical use that exoskeletons have nowadays, looking at the various fields of application and focusing on the key role of prevention from work-related musculoskeletal diseases that they assume in the industrial sector. Driven by the importance that these technologies are assuming, my project's thesis focused on the study of passive exoskeletons: Paexo shoulder and Paexo back, mechanical solutions that find use in various sectors of industry, designed to be worn by workers to help them relieve the loads they manage. The purpose of the thesis was to evaluate the actual improvement a subject achieves by using them. To do this, an experiment was designed. It is divided into six physical exercises and testes in a sample of subjects. Each subject performed the same physical exercises with the exoskeleton and then without it. At the end of each session, the heart rate achieved was measured so differences in the two situations could be compared. The data obtained were processed to evaluate: 1. The actual improvement 2. The significance of the differences obtained 3. The estimated increase in performance had by each subject 4. The possible correlation between the estimated increase and parametrises physical 5. The possible correlation between the estimate of the increment and the ergonomics felt by each subject. The results obtained, discussed extensively in the text, proved to be satisfactory, defining a statistically significant difference between the heart rate achieved in the exercises performed with the exoskeleton and in those without. In addition, this preliminary study has allowed us to hypothesize a correlation between weight/height and increase index and between ergonomics and increase index, which, however, needs further investigation on a more various and larger sample.
Il lavoro è iniziato facendo una panoramica sull’impiego che in generale gli esoscheletri hanno al giorno d’oggi, osservando i vari campi di applicazione e ponendo l’attenzione sull’importante ruolo di prevenzione da malattie muscolo scheletriche lavoro-correlate che assumono nel campo industriale. Spinti dall’importanza che stanno assumendo queste tecnologie, il mio progetto di tesi si è concentrato sullo studio di esoscheletri passivi: Paexo shoulder e Paexo back, soluzioni meccaniche che trovano impiego in vari settori dell’industria, ideate per essere indossate da lavoratori al fine di aiutarli a sgravare i carichi maneggiati. Lo scopo della tesi è stata quella di valutare l’effettivo miglioramento che un soggetto ottiene utilizzandoli. Per farlo è stato ideato un esperimento, suddiviso in sei esercizi fisici, a cui ha partecipato un campione di soggetti. Ogni soggetto ha svolto gli stessi esercizi fisici con l’esoscheletro e poi senza. Alla fine di ogni sessione è stata misurata la frequenza cardiaca raggiunta, così da poter confrontare le differenze nelle due situazioni. I dati ottenuti sono stati elaborati in modo da poter valutare: 1. L’effettivo miglioramento 2. La significatività delle differenze ottenute 3. La stima dell’incremento delle prestazioni avuto da ogni soggetto 4. La possibile correlazione tra la stima dell’incremento e i parametri fisici 5. La possibile correlazione tra la stima dell’incremento e l’ergonomia avvertita da ogni soggetto. I risultati ottenuti, discussi ampiamente all’interno del testo, si sono rivelati soddisfacenti, definendo una differenza statisticamente rilevante tra la frequenza cardiaca raggiunta negli gli esercizi svolti con l’esoscheletro e in quelli senza. Inoltre, questo studio preliminare ha permesso di ipotizzare una possibile correlazione tra peso/altezza e indice di incremento e tra ergonomia e indice di incremento, che necessita però di ulteriore indagine su un campione più vario e numeroso.
Test sperimentali di esoscheletri passivi Paexo e valutazione ergonomica
BAJO, DEA
2021/2022
Abstract
The paper began by giving an overview on the typical use that exoskeletons have nowadays, looking at the various fields of application and focusing on the key role of prevention from work-related musculoskeletal diseases that they assume in the industrial sector. Driven by the importance that these technologies are assuming, my project's thesis focused on the study of passive exoskeletons: Paexo shoulder and Paexo back, mechanical solutions that find use in various sectors of industry, designed to be worn by workers to help them relieve the loads they manage. The purpose of the thesis was to evaluate the actual improvement a subject achieves by using them. To do this, an experiment was designed. It is divided into six physical exercises and testes in a sample of subjects. Each subject performed the same physical exercises with the exoskeleton and then without it. At the end of each session, the heart rate achieved was measured so differences in the two situations could be compared. The data obtained were processed to evaluate: 1. The actual improvement 2. The significance of the differences obtained 3. The estimated increase in performance had by each subject 4. The possible correlation between the estimated increase and parametrises physical 5. The possible correlation between the estimate of the increment and the ergonomics felt by each subject. The results obtained, discussed extensively in the text, proved to be satisfactory, defining a statistically significant difference between the heart rate achieved in the exercises performed with the exoskeleton and in those without. In addition, this preliminary study has allowed us to hypothesize a correlation between weight/height and increase index and between ergonomics and increase index, which, however, needs further investigation on a more various and larger sample.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12075/10762