A Grasp - based Motion Planning Algorithm for Intelligent Character

نویسنده

  • Maciej Kalisiak
چکیده

A Grasp-based Motion Planning Algorithm for Intelligent Character Animation Maciej Kalisiak Master of Applied Science Graduate Department of Electrical & Computer Engineering University of Toronto 1999 The automated animation of human characters continues to be a challenge in computer graphics. We present a novel kinematic motion planning algorithm for character animation which addresses some of the outstanding problems. The problem domain for our algorithm is as follows: given an environment with designated handholds and footholds, determine the motion as an optimization problem. The algorithm exploits a combination of geometric constraints, posture heuristics, and gradient descent optimization in order to arrive at an appropriate motion sequence. The method provides a single framework for animated characters capable of animating the model using an assortment of modes of locomotion and capable of solving complex constrained locomotion tasks. We illustrate our results with demonstrations of a human character using walking, swinging, climbing, and crawling in order to navigate in a variety of environments.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Optimal Trajectory Planning of a Box Transporter Mobile Robot

This paper aims to discuss the requirements of safe and smooth trajectory planning of transporter mobile robots to perform non-prehensile object manipulation task. In non-prehensile approach, the robot and the object must keep their grasp-less contact during manipulation task. To this end, dynamic grasp concept is employed for a box manipulation task and corresponding conditions are obtained an...

متن کامل

A grasp-based motion planning algorithm for character animation

The design of autonomous characters capable of planning their own motions continues to be a challenge for computer animation. We present a novel kinematic motion planning algorithm for character animation which addresses some of the outstanding problems. The problem domain for our algorithm is as follows: given a constrained environment with designated handholds and footholds, plan a motion thr...

متن کامل

Mobile Robot Online Motion Planning Using Generalized Voronoi Graphs

In this paper, a new online robot motion planner is developed for systematically exploring unknown environ¬ments by intelligent mobile robots in real-time applications. The algorithm takes advantage of sensory data to find an obstacle-free start-to-goal path. It does so by online calculation of the Generalized Voronoi Graph (GVG) of the free space, and utilizing a combination of depth-first an...

متن کامل

Motion Planning for Dual-arm Mobile Manipulator

|When a mobile robot executes a given task in human-robot co-existence environment, it is necessary for the robot to perform robust motions and to have abilities to deal with unforeseen situations. Therefore we aim to realize an intelligent and robust motion for a dual-arm mobile manipulator. To carry out a research of intelligent motion, we set a concrete task as \grasping a book and returning...

متن کامل

Simultaneous Grasp and Motion Planning

In this work, we present an integrated approach for planning collision-free grasping motions. The proposed Grasp–RRT planner combines the three main tasks needed for grasping an object: building a feasible grasp, solving the inverse kinematics problem and searching a collision-free trajectory that brings the hand to the grasping pose. Therefore, RRT-based algorithms are used to build a tree of ...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 1999