Search for dissertations about: "control site"

Showing result 1 - 5 of 555 swedish dissertations containing the words control site.

  1. 1. The Planning Process at a Construction Site

    Author : FREDRIK CHRISTIANSEN; Chalmers University of Technology; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; construction; Planning; site management; control; coordination; practice;

    Abstract : Planning, coordination and control processes are integral parts of construction project management. Although construction projects are repetitive and their execution is routine, practitioners find themselves at a crossroad deciding whether to specify a detailed course of action or to allow it to develop over the duration of the project. READ MORE

  2. 2. Towards semi-automation of forestry cranes : automated trajectory planning and active vibration damping

    Author : Szabolcs Fodor; Leonid Freidovich; Carlos Vázquez; Anton Shiriaev; Torben Ole Andersen; Umeå universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Forestry; forwarder cranes; semi-automation; slewing actuator; automated trajectory planning; oscillations; inner boom actuator; active vibration damping; frequency estimation; input shaping control technique; H2-optimal control;

    Abstract : Forests represent one of the biggest terrestrial ecosystems of Earth, that can produce important raw renewable materials such as wood with the help of sun, air and water. To efficiently extract these raw materials, the tree harvesting process is highly mechanized in developed countries, meaning that advanced forestry machines are continuously used to fell, to process and to transport the logs and biomass obtained from the forests. READ MORE

  3. 3. Hierarchical Scheduling and Utility Disturbance Management in the Process Industry

    Author : Anna Lindholm; Institutionen för reglerteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; plant-wide disturbances; utilities; production control; production scheduling; process industry; enterprise modeling; availability; receding horizon control;

    Abstract : This thesis deals with control of production at large-scale process industrial sites in the presence of disturbances. The main focus is on disturbances in the supply of utilities such as steam, cooling water and electricity. READ MORE

  4. 4. Disturbance Rejection and Control in Web Servers

    Author : Martin Ansbjerg Kjaer; Institutionen för reglerteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; feed-forward; dynamic prediction; computer systems; queuing theory; Web server;

    Abstract : An important factor for a user of web sites on the Internet is the duration of time between the request of a web page until an answer has been returned. If this response time is too long, the user is likely to abandon the web site and search for other providers of the service. READ MORE

  5. 5. Utility Disturbance Management in the Process Industry

    Author : Anna Lindholm; Institutionen för reglerteknik; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; utilities; process control; plant-wide disturbances; availability; buffer tanks;

    Abstract : Use of utilities, such as steam and cooling water, is very common at industrial sites. Utilities are often shared between several production areas, and a disturbance in the supply of a utility is therefore likely to affect a large part of the production site, and cause great loss of revenue. READ MORE