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- Anatoly Pashkevich, Damien Chablat, Philippe Wenger
- ArXiv
- 2009

The paper presents a new stiffness modeling method for overconstrained parallel manipulators with flexible links and compliant actuating joints. It is based on a multidimensional lumped-parameter model that replaces the link flexibility by localized 6-dof virtual springs that describe both translational/rotational compliance and the coupling between them.… (More)

- Damien Chablat, Philippe Wenger
- IEEE Trans. Robotics and Automation
- 2003

This paper addresses the architecture optimization of a 3-DOF translational parallel mechanism designed for machining applications. The design optimization is conducted on the basis of a prescribed Cartesian workspace with prescribed kinetostatic performances. The resulting machine, the Orthoglide, features three fixed parallel linear joints which are… (More)

- Damien Chablat, Philippe Wenger, Félix Majou, Jean-Pierre Merlet
- I. J. Robotics Res.
- 2004

This paper addresses an interval analysis based study that is applied to the design and the comparison of three-degrees-of-freedom (3-DoF) parallel kinematic machines. Two design criteria are used: (i) a regular workspace shape and (ii) a kinetostatic performance index that needs to be as homogeneous as possible throughout the workspace. The interval… (More)

- Philippe Wenger, Damien Chablat
- ArXiv
- 2007

This paper describes a new parallel kinematic architecture for machining applications: the orthoglide. This machine features three fixed parallel linear joints which are mounted orthogonally and a mobile platform which moves in the Cartesian x-y-z space with fixed orientation. The main interest of the orthoglide is that it takes benefit from the advantages… (More)

- Damien Chablat, Philippe Wenger, Félix Majou, Jean-Pierre Merlet
- ArXiv
- 2004

This paper addresses an interval analysis based study that is applied to the design and the comparison of 3-DOF parallel kinematic machines. Two design criteria are used, (i) a regular workspace shape and, (ii) a kinetostatic performance index that needs to be as homogeneous as possible throughout the workspace. The interval analysis based method takes… (More)

- Philippe Wenger, Damien Chablat, Mazen Zein
- ArXiv
- 2007

This paper investigates two situations in which the forward kinematics of planar 3-RPR parallel manipulators degenerates. These situations have not been addressed before. The first degeneracy arises when the three input joint variables ρ1, ρ2 and ρ3 satisfy a certain relationship. This degeneracy yields a double root of the characteristic polynomial in tan(… (More)

- Philippe Wenger, Damien Chablat
- ArXiv
- 2009

A class of analytic planar 3-RPR manipulators is analyzed in this paper. These manipulators have congruent base and moving platforms and the moving platform is rotated of 180 deg about an axis in the plane. The forward kinematics is reduced to the solution of a 3-degree polynomial and a quadratic equation in sequence. The singularities are calculated and… (More)

This paper addresses the dimensional synthesis of parallel kinematics machines. A multiobjective optimization problem is proposed in order to determine optimum structural and geometric parameters of parallel manipulators. The proposed approach is applied to the optimum design of a three-degree-of-freedom planar parallel manipulator in order to minimize the… (More)

- Sébastien Briot, Anatoly Pashkevich, Damien Chablat
- 2010 IEEE International Conference on Robotics…
- 2010

In this paper, a new methodology for the optimal design of parallel kinematic machine tools is proposed. This approach is based on the concept of the maximal inscribed parallelepiped and uses technology-oriented constraints that are motivated by particular applications. This methodology is applied on two translational parallel robots with three… (More)

- Anatoly Pashkevich, Damien Chablat, Philippe Wenger
- Robotica
- 2006

The paper addresses kinematic and geometrical aspects of the Orthoglide, a three-DOF parallel mechanism. This machine consists of three fixed linear joints, which are mounted orthogonally, three identical legs and a mobile platform, which moves in the Cartesian x-y-z space with fixed orientation. New solutions to solve inverse/direct kinematics are proposed… (More)