Ulises Zaldivar

Ulises Zaldivar
Universidad Autónoma de Sinaloa · Facultad de Informática Mazatlán

PhD

About

18
Publications
5,230
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117
Citations
Additional affiliations
May 1997 - July 2016
Universidad Autónoma de Sinaloa
Position
  • Professor (Full)

Publications

Publications (18)
Conference Paper
Full-text available
Mixed reality (MR) is a hybrid reality where real and virtual objects are merged to produce an enriched interactive environment. Virtual Reality (VR) has been used in the simulation of production processes such as the product assembly and the execution of industrial tasks. Augmented reality (AR) has been widely used as an instructional tool to help...
Article
Full-text available
La manipulación de robots es muy importante en el ámbito de la robótica, lo cual se logra mediante cálculos de cinemática directa y/o inversa. La manipulación por cinemática inversa puede ser muy compleja, dependiendo de la cantidad de eslabones con que cuente el robot que se desea operar. En el presente trabajo se propone una nueva estrategia para...
Conference Paper
Full-text available
Resumen—En el presente artículo se muestra el análisis y dis no de un robot de tipo exoesqueleto para rehabilitación motriz de codo izquierdo. El dis no del exoesqueleto está basado principalmente en cosideraciones antropomórficas y clínicas. Las consideraciones antropomórficas consisten en el análisis de movimiento biomecánico y su representación...
Conference Paper
Resumen—El ejercicio terapéutico tiene como objetivo prin-cipal, ayudar en la recuperación a personas con limitaciones motrices. En el presente artículo se muestra el análisis y dis no de un robot de tipo exoesqueleto para rehabilitación motriz de miembro superior, de antebrazo y m neca específicamente. El exoesqueleto es un sistema articulado que...
Conference Paper
Full-text available
Actually, virtual reality is introduced in so many areas, such as medicine, automotive industry, robotics, entertainment, etc. A common interest of these areas is related with the user interaction, or with devices allowing users to interact with virtual reality. In this work we present the development of a prototype to capture the user’s fingers mo...
Conference Paper
Full-text available
The aim of this work is to present a force feedback aided insertion of a virtual cylinder into another of equal radii. Haptics is rendered as an attraction force, rather than the traditionally repulsive force upon collision.
Conference Paper
Full-text available
This paper presents a technique for grasping and manipulating 3D objects in the interaction with virtual assembly environment. The virtual hand is visualized in the 3D scene, it moves through successive interpolated movements, from an initial to a final position. During this movement, the hand can collide with existing objects in the scene. If the...
Conference Paper
Virtual Robotics is becoming a very important tool for supporting research and graduate and undergraduate programs in the Robotics area. In the last years, the success of virtual reality systems is depending on the techniques developed to provide the user with easy and realistic interaction with virtual environments. In this paper we present an int...
Conference Paper
Full-text available
In this paper, we present the virtual environment of assembly sequence generation of a product at the design stage. The interaction technique developed for the manipulation of virtual parts includes visual and haptic feedback limited to force sensation in the fingertips and weight and inertia parts sensation. At this stage of development, the parts...
Conference Paper
Full-text available
Physically-based behavior of parts and subassemblies provides the user with realistic virtual assembly planning environment. Parts’ mating is an important phase of the assembly operation. It determines the feasibility of the operation and affects the assembly sequence generated from the interaction with virtual parts. Haptic sensation of forces gen...
Article
Full-text available
The development of a realistic virtual assembly environment is challenging because of the complexity of the physical processes and the limitation of available VR technology. Many research activities in this domain primarily focused on particular aspects of the assembly task such as the feasibility of assembly operations in terms of interference bet...
Article
Full-text available
In this paper we intend to recreate an interactive 3D virtual version of the real environment of a mobile robot and to ensure a bi-directional interaction with all the components of this workplace. This IVW (interactive virtual world), automatically built using VRML combined with Java, is actualized on line with 3D models of the objects present in...

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