Zobrazeno 1 - 10
of 136
pro vyhledávání: '"Heinz Ulbrich"'
Publikováno v:
Applied Bionics and Biomechanics, Vol 8, Iss 2, Pp 221-236 (2011)
The automation of recurrent tasks and force feedback are complex problems in medical robotics. We present a novel approach that extends human-machine skill-transfer by a scaffolding framework. It assumes a consolidated working environment for both, t
Externí odkaz:
https://doaj.org/article/dcd87278eb4f4d8b98edb2eba60c5cb5
Publikováno v:
Shock and Vibration, Vol 13, Iss 4-5, Pp 505-518 (2006)
The present manuscript deals with the problem of rotor-stator rubbing. Due to performance increase in rotating machinery, rubbing processes happen more frequently. These are very complicated mechanisms that lead to high impact loads, vibrations and i
Externí odkaz:
https://doaj.org/article/efc43c0b469d45bc9430370907dfa52b
Publikováno v:
International Journal of Rotating Machinery, Vol 7, Iss 5, Pp 323-333 (2001)
Partially filled centrifuges exhibit unstable behavior over particular rotational speed ranges. To remove this unstable behavior, three different control approaches are presented which are experimentally implemented using a magnetic bearing. First, b
Externí odkaz:
https://doaj.org/article/0682772927314d1aa83bc21993b67df5
Autor:
Zhu Changsheng, Heinz Ulbrich
Publikováno v:
International Journal of Rotating Machinery, Vol 6, Iss 4, Pp 301-312 (2000)
In this paper, the bifurcation behavior of a flexible rotor supported on nonlinear squeeze film dampers without centralized springs is analyzed numerically by means of rotor trajectories, Poincar maps, bifurcation diagrams and power spectra, based on
Externí odkaz:
https://doaj.org/article/58697f4454344235b45d3049486b1902
Autor:
Heinz Ulbrich
Publikováno v:
International Journal of Rotating Machinery, Vol 1, Iss 1, Pp 61-71 (1994)
Considerable improvements of machines can be expected in the near future through the use ofelectronics in combination with control techniques. A key position will be held by the actuator systems that finally have to accomplish the controlled energy t
Externí odkaz:
https://doaj.org/article/96c69f8543874ab59a73b2b9453210b2
Publikováno v:
Multibody System Dynamics. 46:127-146
We present a small strain beam model based on the Arbitrary Lagrangian Eulerian setting for use in multibody dynamics. The key contribution of the present paper is to provide a formulation with large flexible reference motion and small overlaid defle
Publikováno v:
auto. 61:217-232
Zusammenfassung Der Beitrag gibt einen Überblick der Forschung an voll aktuierten, humanoiden Laufmaschinen. Neben einer allgemeinen Einführung wird ein kurzer Abriss der Geschichte humanoider Roboter gegeben. Die bekanntesten Systeme werden nach F
Publikováno v:
Journal of the Robotics Society of Japan. 30:363-366
Autor:
Armin Schneider, Daniel Ostler, Erich Wintermantel, Sebastian Koller, Heinz Ulbrich, G. Horst, Hubertus Feussner
Publikováno v:
ROBIO
Single-Port Surgery is a recent development in minimally invasive surgery and denotes abdominal surgery where all instruments are inserted through a single incision. Further progress in the field of surgical intervention can solely be achieved by com
Autor:
Marc O. Ernst, Jan L. Souman, Martin Schwaiger, Thomas Thümmel, Heinrich H. Bülthoff, A. De Luca, Heinz Ulbrich, Ilja Frissen, P Robuffo Giordano
Publikováno v:
ACM Transactions on Applied Perception
Despite many recent developments in virtual reality, an effective locomotion interface which allows for normal walking through large virtual environments was until recently still lacking. Here, we describe the new CyberWalk omnidirectional treadmill