In many branches of industry, piled box-like objects have to be recognized, grasped and transferred. Unfortunately, existing systems only deal with the most simple configurations (i.e. neatly placed boxes) effectively. It is known that the detection of 3D-vertices is a crucial step towards the solution of the problem, since they reveal essential information about the location of the boxes in sp...

Abstract: The dynamic analysis is the basic element of the mechanical design and control of parallel mechanisms. The parallel robots dynamics requires a great deal of computing as regards the formulation of the generally nonlinear equations of motion and their solution. In this paper a solution for solving the dynamical model of a 6-DOF parallel structure destined to helicopter flight simulatio...

Latent Problem Solving Analysis is applied to model the decision processes of expert instructors judging professional pilots’ landing technique in a B747 flying simulator, showing that that a memory-based model can do well in the absence of more conscious, logical processes.

The purpose of this project is to develop a computer system that accurately simulates natural selection among species in a given environment. If the simulation is accurate towards real-world situations, then observing natural behavior will be significantly easier to manipulate than a natural environment. The Evolution Simulator will incorporate programming AGENTbased simulation techniques, and ...

Multi-player games are increasingly popular in the Internet. This growing interest results in the need to support a high number of participants, which raises the issue of scalability, namely in what regards the ability to offer good performance in such a large-scale setting. This paper addresses the issue of designing middleware solutions to support large-scale multi-player applications. In par...

A data visualization system geared toward large ~gigabyte or greater-than-gigabyte! time-varying scientific data sets has been written. The system is a distributed multiprocessed application that employs techniques used both in the video-game industry and military flight simulators to achieve real-time frame rates. On the computational side, the system calculates vector fields, streamlines, iso...

Classical planning algorithms require that their operators be simple in order for planning to be tractable. However, the complexities of real world domains suggest that, in order to be accurate, planning operators must be complex. We demonstrate how, by taking advantage of background knowledge and the distribution of planning problems encountered, it is possible to automatically construct plann...

This paper discusses recent findings in ongoing research on the visual cues that pilots use when landing airplanes. An overview is given of the many visual cues that have been proposed in literature. Some are widely accepted as ‘important cue’ in a certain phase or for a certain decision, others are controversial. Specifically the cues used to time the flare maneuver are discussed in this contr...

As Boeing 737-800 Flight simulator get more and more demanding in terms of rendering time and authenticity. In order to reduce the amount of image data, we use the large region low-resolution remote sensing image mosaic with small region high-resolution remote sensing image. Meanwhile, for the color imbalances between images, we propose the global Wallis transform method based on HSI color spac...

This paper reports an interpretive case study conducted at three different airports in Sweden and Norway during 1999. The focus of the study has been to establish an understanding of the work practice of flight technicians and the use of IT support tools for aircraft maintenance. By use of observations, interviews and document reviews, we found three main issues. First, there is a gap between t...