نتایج جستجو برای: stiffness reduction

تعداد نتایج: 532157  

Journal: :Journal of orthopaedic surgery 2011
David Christopher Kieser David Gwynne-Jones Stephan Dreyer

PURPOSE To review outcomes of 19 patients with tibial eminence fractures. METHODS Records of 10 female and 9 male patients with type II (n=3) and type III (n=16) displaced tibial intercondylar eminence fractures were reviewed. Nine of whom were skeletally immature aged 6 to 15 (mean, 12) years; the remaining 10 patients were aged 19 to 55 (mean, 32) years. 14 involved the left knee. All patie...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 2000

2013
Juan M. Calderon Ercan Elibol Wilfrido Moreno Alfredo Weitzenfeld

In this study the current usage of each associated joint of a humanoid robot (NAO) during stand up process is analyzed. This study is the extension of our previous study [1] where the energy consumption of single and overall joints of a NAO robot during the walking process was researched while keeping the same stiffness values for all joints. This paper analyzes current stiffness relation of in...

2008
J. E. Cooper

The development of several adaptive internal structures concepts is described that are aimed towards enabling adaptive static aeroelastic shape control of an aircraft wing in flight. It is shown how changes in the position, orientation and stiffness of the internal wing structure can be used to change the bending and torsion stiffness properties of a wing, and hence to control the aerodynamic p...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1999

2014
Luca Fiorio Francesco Romano Alberto Parmiggiani Giulio Sandini Francesco Nori

In the last years Variable Stiffness Actuators gathered the interest of the robotic community for their heightening role in new robot design. In particular, many solutions have been proposed to accomplish mechanical robustness, safe interaction and energy storage. In this paper we propose a novel mechanical solution that improves the passive capabilities of VSA. The new property we introduce is...

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