A spherical permanent magnet actuator for a high-fidelity force-feedback joystick |
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| Affiliation: | 1. Philips Research Laboratories, Weisshausstrasse 2, 52066 Aachen, Germany;2. Department of Electronic and Electrical Engineering, University of Sheffield, Mappin Street, Sheffield S1 3JD, UK;1. Department of Architecture and Urban Studies (DASTU), Politecnico di Milano, Via Bonardi 3, 20133, Italy;2. Piazza Minniti, 20159, Milano, Italy;1. Department of Energy and Fuels, Universidad Politecnica de Madrid, Alenza 4, 28003 Madrid, Spain;2. Department of Mechanical Engineering, Imperial College, SW7 1AZ London, United Kingdom;3. Energy Research Institute, School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UK;4. Laboratorio Oficial Madariaga, LOM (Universidad Politecnica de Madrid, Spain) C/Eric Kandel, 1 – (TECNOGETAFE), Parque Científico y Tecnológico de la UPM, 28906 Getafe (Madrid), Spain;1. University Hospitals of Leicester, Leicester, United Kingdom;2. University of Edinburgh, Edinburgh, United Kingdom;3. Independent advance nurse practitioner, United Kingdom |
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| Abstract: | The paper describes the basic features and performance characteristics of a novel spherical permanent magnet actuator. It is capable of two degrees-of-freedom, and has potential for use in applications such as haptic feedback and position servo devices. Due to the simplicity of its mechanical construction and rotor position sensing system, and the absence of transmission components, the actuator is particularly suitable for high-fidelity force-feedback joysticks, for which a high bandwidth, low cost and small size are major requirements. In order to assess its potential, comprehensive measurements have been carried out, which confirm that the spherical actuator offers a considerably higher bandwidth than current commercially available force-feedback joysticks. |
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