11. |
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12. |
- Törngren, Martin, 1963-, et al.
(författare)
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A mechatronics test-bed for embedded distributed real-time control systems
- 1997
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Ingår i: Proceedings of IFAC workshop on Algorithms and Architectures in real-time control systems.
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Konferensbidrag (refereegranskat)abstract
- A testbed has been developed to be used for research in distributed real-time control systems.The testbed is modular both in mechanics and in control system, allowing a number of robot configurations,control system structures and execution strategies to be implemented and evaluated. The nodes of thecontrol system are currently based on a microprocessor, CAN communication, interfaces to analog anddigital I/O, and motor drive units. The modularity of the nodes allows changes of I/O and communicationsystem, as well as the implementation of different resource structures. To give an idea of the experimentalcapabilities of the testbed, initial experiments in the area of time-varying control systems are described.The research goals include design and experimental evaluation of execution strategies, time-varying controlsystems and development tools for real-time implementation support.
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13. |
- Åklint, Thorbjörn, et al.
(författare)
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Magnetic Properties of deposited iron clusters produced in a high yield laser vaporization source
- 1998
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Ingår i: Applied Organometallic Chemistry. ; 12, s. 479-
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Tidskriftsartikel (refereegranskat)abstract
- Clusters of iron produced in a laser vaporization source have been characterized with time-of-flight spectra and deposited on different substrates for production of films of varying thickness. The magnetic properties of these films with thicknesses of 60 and 120 nm were investigated using an alternating gradient magnetometer. The films exhibit mono-domain behavior from a broad size distribution which has been confirmed by transmission electron microscopy. Films were also investigated by Mössbauer spectroscopy, which showed fast relaxation in the particles at room temperature.
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