A multilayer scheme is here proposed to implement coordinated control of a group of mobile robots. Specifically, a trajectory tracking controller is proposed to coordinately guide a platoon of robots, with an obstacle deviation subsystem based on virtual forces and mechanical impedance implemented in …

A one year prospective study on ankle stability and landing technique: the occurrence of ankle and knee injuries in elite ball team athletes Background: In team sports lower extremity injuries account for more than 50% of all injuries, indicating the importance of early detection of athletes at risk. …

Silvio Berlusconi was Italy's longest serving Prime Minister since the Second World War. As Prime Minister, he exercised control over the three public television channels in Italy. The combination of a strong political figure that controls large parts of public media and has considerable business interests …

When treating cancer by radiation therapy it is always the goal to irradiate the tumour as much as possible and to spare the healthy tissue around it. For this a new type of radiation therapy called Volumetric Modulated ARC Therapy (VMAT) has been developed. During VMAT treatment the radiation machine …

Scanning tunneling microscopy is an important and enabling tool for condensed matter physics and surface science. The low temperature STM in Leiden (Prof. J. Van Ruitenbeek and Prof J. Aarts) is used for research in the field of atomic/molecular electronics and superconductivity. The current low temperature …

Dit literatuur onderzoek doet middel een literatuurstudie onderzoek naar de relatie tussen persoonskenmerken en somatisch onverklaarde chronische pijn. De vijf persoonskenmerken volgens die big five die in het onderzoek bekeken worden zijn extraversion vs introversion, agreeableness, conscientiousness, …

After the “Rose Revolution” in 2003, Georgia’s political elite announced its new policy direction to follow democratic and liberal beliefs norms, values and ideas. This has formed Georgia’s national identity, which, the country claims, has always been European. Georgia’s powerful neighbor country – Russia …

Germany has been an influential member state in the European Union, but how influential has Germany been in shaping EU-policies? What domestic policies did Germany upload to shape the EU-policies and what major EU policies did it download to shape domestic policies? This dissertation has researched Germany’s …

Research has been done to improve the understanding the self-heat effect, due to power dissipation, of temperature-dependant resistors in the VSL water calorimeter. A custom measurement program has been written to be able to control and read out three Agilent 3458A digital multimeters (DMMs). With these …

The Dutch biogas industry is developing slowly and in many instances still unviable. Insights in the drivers of value creation may help to create viable biogas business networks. This research explores these related drivers and accordingly, proposes a new and comprehensive definition of a driver of value …