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Student Centred Learning in a Flexible Blended Mode Environment

The Faculty of Sciences at Lund University has developed online courses to enhance physical as well as virtual exchange and promote joint delivery of courses among partner universities. The purpose is to increase the flexibility of studies within joint programmes. As part of the development of a blended mode course we have included an online research tool, “Global Research Gateway”.

Ultrasonic Detection in Robotic Environments

Based on information produced by a 200 kHz ultrasonic echo device developed for robotics and other industrial purposes, a method for object identification was developed and is presented in this paper. Interpretation of the echos from the reflecting objects, complexity analysis and information extraction were made by system identification methods such as impulse response analysis and state-space re

Delay-Aware Period Assignment in Control Systems

We consider the problem of optimal static period assignment for multiple independent control tasks executing on the same CPU. Previous works have assumed that the control performance can be expressed as a function of the sampling rate only. Arguing that the control delay has a large impact on the control performance, in this work we include the control delay in the cost function. The delay is esti

Grafchart and Batch Recipe Structures

The paper presents how Grafchart can be used to implement batch recipe structures. Grafchart, a toolbox based on Grafcet/SFC, object-oriented programming constructs and ideas from high-level Petri nets, is presented in the paper. Grafchart exists in two versions, one basic version and one high-level version. By using the different features of Grafchart in various ways, recipes can be given differe