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Geometric sliding mode control: The linear and linearised theory

Hirschorn, Ron M.; Lewis, Andrew D. (2002)

The idea of sliding mode control for stabilisation is investigated to determine its geometric features. A geometric definition is provided for a sliding submanifold, and for various properties of a sliding submanifold. Sliding ...

Controllability of a hovercraft model (and two general results)

Lewis, Andrew D.; Tyner, David R. (2003)

Modelling and controllability studies of a hovercraft system are undertaken. The system studied is a little more complicated than some in the literature in that the inertial dynamics of the thrust fan are taken into ...

The Cult of 'Maria Regina' in Early Medieval Rome

Osborne, John (2004-11-24)

This paper examines the importance of the cult of Mary to religious practice in early medieval Rome, with a particular focus on the manifestations of devotion to Mary in the decoration of churches such as S. Maria Antiqua ...

The Relationship between Hospital Infection Surveillance and Control Activities and Antibiotic Resistant Pathogen Rates

Zoutman, Dick; Ford, B. Douglas (2005-01-13)

Objective: The purpose of the study was to examine the relationship of surveillance and control activities in Canadian hospitals with rates of nosocomial methicillin-resistant S. aureus (MRSA), C. difficile associated ...

Evidence for the Confraternity of S. Pietro Martire at San Zanipolo, Venice

Osborne, John (2005-01-20)

This conference paper looks at evidence of 15th- and 16th-century saints' images on carved door frames at the church of S. Zanipolo (SS Giovanni e Paolo) in Venice, using them to help locate and reconstruct the history of ...