Sur un sol in�gal, les robots � pattes ont le potentiel d’�tre une machine � marcher. Le m�canisme de Theo Jansen, qui se compose de onze barres de liaison, reproduit un mouvement de marche r�gulier appel� "d�marche". Les mouvements parall�les sont couramment utilis�s dans les machines lourdes et ont r�cemment �t� mis en �vidence dans un mod�le de mouvement biologique. En raison du probl�me de singularit�, la connexion en boucle ferm�e ne donne que la trajectoire d’un effecteur con�u, qui est cens� �tre moins modifiable. La singularit� du m�canisme Theo Jansen modifi� a �t� abord�e dans cette �tude en introduisant l’orbite param�trique comme nouveau point de libert� au centre de l’articulation, et la dynamique multi-corps a �t� utilis�e pour examiner sa cin�matique et sa dynamique (MBD). Dans la simulation num�rique, l’extensibilit� du m�canisme en termes de flexibilit� de la trajectoire de marche a �t� clairement �tablie, donnant lieu � de nouvelles trajectoires de marche fonctionnelles contr�l�es par deux param�tres de contr�le qui modifient la forme de l’ovale param�trique au centre de l’articulation.

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We first started out as ?The Paperback Exchange,? a chain of physical bookstores where we would part exchange your beloved books for new stories to transport you to faraway places. However, as shopping started to evolve to online shops and marketplaces, we bid our stores goodbye to become ?PBShop.? This transition has only allowed us to blossom as we now ship thousands of titles to book lovers across the globe. We pride ourselves in being a community of local book lovers which allows our passion and devotion to shine in everything we do. In 2020 we not only celebrated our 20th birthday but our 1st birthday as being completely employee owned after becoming an E.O.T in September 2019. We are proud to be different and embrace standing apart on a book mountain by working from a virtual inventory which allows us to provide thousands of books that may be difficult to get for your bookshelf or your studies. Working with a number of different suppliers allows us to explore other avenues such as puzzles, sheet music and even stationery so we really do have something for everyone. Life is about being versatile in all realms of existence. If this is your first visit or you are a returning customer, we would like to welcome you to the PBShop family, for there is no friend as loyal as a book. We are a company who put our customers at the centre of everything we do as we understand the importance of reading because once you learn to read, you will forever be free. There are a whole lot of things in this world of ours that we are yet to explore, which is why we will forever inspire curious minds.

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Pbshop.co.uk Ltd
Unit 22 Horcott Industrial Estate, Horcott Road, Fairford, GL7 4BX, United Kingdom

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Returns Policy
We ask all customers to contact us for authorisation should they wish to return their order. Orders returned without authorisation may not be credited.
If you wish to return, please contact us within 14 days of receiving your order to obtain authorisation.

Returns requested beyond this time will not be authorised.

Our team will provide full instructions on how to return your order and once received our returns department will process your refund.
Please note the cost to return any...

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Books are shipped from our US or UK warehouses. Delivery estimates allow for delivery from either location.

Versandkosten von USA nach Deutschland

Versandkosten von USA nach Deutschland
Bestellmenge	5 bis 13�Werktage	5 bis 13�Werktage
Erster Artikel	EUR 0.73	EUR 0.73

Die Versandzeiten werden von den Verk�uferinnen und Verk�ufern festgelegt. Sie variieren je nach Versanddienstleister und Standort. Sendungen, die den Zoll passieren, k�nnen Verz�gerungen unterliegen. Eventuell anfallende Abgaben oder Geb�hren sind von der K�uferin bzw. dem K�ufer zu tragen. Die Verk�uferin bzw. der Verk�ufer kann Sie bez�glich zus�tzlicher Versandkosten kontaktieren, um einen m�glichen Anstieg der Versandkosten f�r Ihre Artikel auszugleichen.