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The PID controller is the most common controller and it is taught in most introductory automatic control courses. To develop an intuitive understanding of the basic concepts of the PID controller and PID parameter tuning, interactive and freely available tools are important. A PID module for educational purposes has been implemented in JGrafchart, a freely available development environment for the
The relationship between cities and sustainability has been rising up the international agenda over the past few decades. But the role of cities as centres of global economic development and their part in changing environmental and social conditions has gained much more attention recently.
Popular Abstract in Swedish Två mobila system, ett svenskt och ett italienskt, för undersökning av historiska fasader har använts för att undersöka möjligheten till identifiering av olika material, biologisk påväxt och faktorer som i framtiden kan leda till nedbrytning av kulturhistoriskt värdefulla monument. Undersökningarna visade på möjligheter att genomföra analyser av ytor med hjälp av fluoreThe on-site documentation and examination of architectural heritage has presented challenges for traditional analysis methods in the form of, among other things, large complex structures, sites and environmental conditions. In recent years there has been growing interest in assessing progressing deterioration processes and material analysis, with an emphasis on sustainable conservation and mainten
Optimization is becoming a standard methodology in many engineering disciplines to improve products and processes. The need for optimization is driven by factors such as increased costs for raw materials and stricter environmental regulations as well as a general need to meet increased competition. As model-based design processes are being used increasingly in industry, the prerequisites for optim
Low-dimensional III-V semiconductor nanoscale structures grown by epitaxial processes have emerged as a new class of materials with great promise for various device applications. This thesis describes explorations into the heteroepitaxial growth of III-V semiconductor materials in combination with other III-V materials and in combination with the commonly used Si material, in both thin layer and n
Cascaded convolutional codes with conventional convolutional codes as constituent codes are powerful and attractive to use in communication systems where very low error probabilities are needed. This paper clearly demonstrates the dramatic effect the replacement of the inner convolutional encoder by an equivalent one could have on the cascaded convolutional code.
Logistics can be regarded as an established research area containing publications in renowned scientific journals and which covers several related fields. One of them, packaging logistics, is a relatively new research area, established at only a few universities and institutes. Consequently, the packaging logistics area is characterised by scattered theoretical frameworks and publications are scar
Over the last ten years, there has been a great deal of research and development in Sweden in the field of rehabilitation robotics. The research effort has often focused on workplace adaptations. This paper deals with four robotic adaptations, all of whic
