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Mathematics Communication within the Frame of Supplemental Instruction : Identifying Learning Conditions

In the Swedish context teaching at primary and secondary school is combined with collaborative exercises in a variety of subjects. These collaborative moments can be in the form of mini projects that groups of students are supposed to present to the classmates when fulfilled. A collaborative moment may also be an exercise that the students solve together. The main idea is thus that the students le

Designing learning environments for heterogeneous groups in Second Life

The project that we will discuss in this paper aims to support the areas of teaching and learning in a multidisciplinary collaboration between the Centre for Languages and Literature (SOL), Faculty of Engineering (LTH) and Centre for Educational Development (CED), all Lund University, Sweden, by using the virtual world Second Life (SL) as a platform for collaborative learning activities. Students

The XT-1 Vision Architecture

A mobile robot navigating in an unstructured environment faces many dificult problems for which vision may potentially offer useful solutions. The XT-1 (eXpectation based Template matching) architecture was developed in an attempt to address many of these problems with similar constructions. The current system handles such diverse problems as landmark and place recognition, the generation of orien

An action learning network method for increased innovation capability in organizations

Product innovation in highly complex and technological areas, such as medical technology, puts high requirements on innovation capability of an organization. Previous research and publications have highlighted organizational issues and learning matters as important and necessary for the development of innovation capability. Action learning require reflections of the ways things are carried out, ch

Automated Guidance of Vehicles Using Vision and Projective Invariant Marking

Control based on image information offers great possibilities for advanced automation. Here, a flexible system for study of visual servoing has been developed by extending a standard computer with commercially available instrumentation. A robot moving on the floor is controlled by image feedback. The conclusion is that an industrially useful behavior of automated guided vehicles (AGV) in flexible

Positron annihilation rate for a low density electron gas

A simple approach, which utilizes existing results for the electron density around a fixed attractive point charge in an electron gas, is presented for treating the annihilation rate of a positron in an electron gas at low density.