Publications
390 results found
Mitcheson PD, Green TC, Yeatman EM, 2006, Power processing circuits for MEMS inertial energy scavengers, Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS 2006, Stresa, Italy, Publisher: IEEE, Pages: 332-337
Moseley RW, Yeatman EM, Holmes AS, et al., 2006, Laterally actuated, low voltage, 3-port RF MEMS switch, 19th IEEE International Conference on Micro Electro Mechanical Systems (MEMS 2006), 22 - 26 January 2006, Istanbul, Turkey, Publisher: IEEE, Pages: 878-881
von Buren T, Mitcheson PD, Green TC, et al., 2006, Optimization of inertial micropower generators for human walking motion, IEEE Sensors Journal, Vol: 6, Pages: 28-38, ISSN: 1530-437X
Avlonitis N, Yeatman EM, Jones M, et al., 2006, Multilevel amplitude shift keying in dispersion uncompensated optical systems, IEE Proc.Optoelectronics, Vol: 153, Pages: 101-108, ISSN: 1350-2433
Yeatman EM, Mitcheson PD, 2006, Energy scavenging, Body sensor networks, Editors: Yang, Yang, Publisher: Springer, Pages: 183-217, ISBN: 9781846282720
Avlonitis N, Yeatman E M, Jones M, et al., 2006, Multilevel amplitude shift keying in dispersion uncompensated optical systems, IEE Proceedings: Optoelectronics, Vol: 153, Pages: 101-108, ISSN: 1350-2433
Yeatman EM, 2006, Rotating and gyroscopic MEMS energy scavenging, Wearable and Implantable Body Sensor Networks, 2006. BSN 2006. International Workshop on, Publisher: IEEE, Pages: 42-45
Laliotis A, Yeatman EM, Al-Bader SJ, 2006, Modeling signal and ASE evolution in erbium-doped amplifiers with the method of lines, Lightwave Technology, Vol: 24, Pages: 1589-1600, ISSN: 0733-8724
Yeatman E M, Syms, R R A, 2005, Microengineered Broadband Electrical Switches, GB 2410371
Yeatman EM, 2005, Design and performance analysis of thermally actuated MEMS circuit breakers, 15th European Workshop on Micromechanics, Publisher: IOP PUBLISHING LTD, Pages: S109-S115, ISSN: 0960-1317
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- Citations: 5
Yeatman EM, 2005, MEMS in electromagnetics: metrology challenges and opportunities, British Electromagnetic Measurements Conference, 14 - 17 November 2005, Teddington, UK, Pages: 105-106
Mitcheson PD, Yates DC, Yeatman EM, et al., 2005, Modelling for optimisation of self-powered wireless sensor nodes, 2nd international workshop on wearable and implantable body sensor networks, London, 12 - 13 April 2005, Publisher: IEEE, Pages: 53-57
Mitcheson PD, Yates DC, Yeatman EM, et al., 2005, Modelling for optimisation of self-powered wireless sensor nodes, 2nd international workshop on wearable and implantable body sensor networks, London, 12 - 13 April 2005, Publisher: IEEE, Pages: 53-57
Lipson A, Yeatman EM, 2005, Free-space MEMS tunable optical filter on (110) Silicon, IEEE/LEOS international conference on optical MEMs and their applications, Oulu, Finland, 1 - 4 August 2005, Publisher: IEEE
Yeatman EM, 2005, Ellipsometry Of Sol-Gel Films, Handbook of Sol-Gel science and technology, Editors: Almeida, Boston, Publisher: Kluwer, Pages: 349-357, ISBN: 9781402079696
Yeatman EM, Miao P, Mitcheson PD, et al., 2005, MEMS inertial power generators for biomedical applications, Proceedings symposium on design, test, integration and packaging of MEMS/MOEMS, Montreux, Switzerland, 1 -3 June 2005, Pages: 295-298
Yeatman EM, Miao P, Mitcheson PD, et al., 2005, MEMS inertial power generators for biomedical applications, Proceedings symposium on design, test, integration and packaging of MEMS/MOEMS, Montreux, Switzerland, 1 -3 June 2005, Pages: 295-298
Moseley RM, Yeatman EM, Holmes AS, et al., 2005, Silicon low power, low voltage MEMS switches for space communication systems, 5th ESA Round Table on Micro/Nano Technologies for Space. Noordwijk, 3 - 5 October 2005, Pages: 368-375
Miao P, Wright RV, Yeatman EM, et al., 2005, Integration of PZT dielectric films in MEMS capacitative switches, MME Micromechanics Europe, 4 - 6 September 2005, Gothenberg, Sweden, Pages: 260-263
Geear MC, Yeatman EM, Holmes AS, et al., 2004, Microengineered electrically resettable circuit breaker, JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, Vol: 13, Pages: 887-894, ISSN: 1057-7157
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- Citations: 12
Laliotis A, Yeatman EM, Ahmad MM, et al., 2004, Molecular homogeneity in erbium-doped sol-gel waveguide amplifiers, IEEE JOURNAL OF QUANTUM ELECTRONICS, Vol: 40, Pages: 805-814, ISSN: 0018-9197
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- Citations: 11
Mitcheson PD, Green TC, Yeatman EM, et al., 2004, Architectures for vibration-driven micropower generators, JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, Vol: 13, Pages: 429-440, ISSN: 1057-7157
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- Citations: 522
Miao P, Holmes AS, Yeatman EM, et al., 2004, Micro-machined variable capacitors for power generation, Bristol, 11th international conference on electrostatics, Heriot Watt Univ, Edinburgh, Scotland, 23 - 27 March 2003, Publisher: Iop Publishing Ltd, Pages: 53-58
Yeatman EM, Kushner PJ, Roberts DA, 2004, Use of scanned detection in optical position encoders, IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, Vol: 53, Pages: 37-44, ISSN: 0018-9456
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- Citations: 10
Petropoulos T, Yeatman EM, Mitcheson PD, 2004, MEMS coupled resonators for power generation and sensing, Micromechanics Europe, Leuven, Belgium, 5 - 7 September 2004, Pages: 261-264
Mitcheson PD, Miao P, Stark BH, et al., 2004, MEMS electrostatic micropower generator for low frequency operation, Publisher: Elsevier, Pages: 523-529, ISSN: 0924-4247
This paper describes the analysis, simulation and testing of a microengineered motion-driven power generator, suitable for application in sensors within or worn on the human body. Micro-generators capable of powering sensors have previously been reported, but these have required high frequency mechanical vibrations to excite a resonant structure. However, body-driven movements are slow and irregular, with large displacements, and hence do not effectively couple energy into such generators. The device presented here uses an alternative, non-resonant operating mode. Analysis of this generator shows its potential for the application considered, and shows the possibility to optimise the design for particular conditions. An experimental prototype based on a variable parallel-plate capacitor operating in constant charge mode is described which confirms the analysis and simulation models. This prototype, when precharged to 30 V, develops an output voltage of 250 V, corresponding to 0.3 μJ per cycle. The experimental test procedure and the instrumentation are also described.
Stark BH, Mitcheson PD, Miao P, et al., 2004, Power processing issues for micro-power electrostatic generators, New York, 35th annual IEEE power electronics specialists conference (PESC 04), Aachen, Germany, 20 - 25 June 2004, Publisher: IEEE, Pages: 4156-4162
For various monitoring and sensing applications it is desirable to power the electronics by scavenging energy from any locally available source. A prototype generator for low frequency (human body) motion has been developed using a micro-machined (MEMS) implementation of an inertial generator based on a moving-plate capacitor. The prototype generates pulses of 300 V on a 10 pF capacitor. This paper examines the design of a circuit and mosfet device to convert this energy to a low voltage. Because of the very small charge involved, the effect of leakage and parasitic stored charge are important. A silicon-on-insulator design is proposed and is examined through physics based finite-element simulation. The overall effectiveness of the generation process is shown to be composed of several terms which are functions of system parameters such as. generator flight time, device area and circuit inductance. It is shown that device area is a compromise between leakage current, charge storage and on-state voltage. It can, for a given generator and inductance, be optimised to provide the maximum energy yield.
Laliotis A, Yeatman EM, 2004, Consolidation and homogeneity of sol-gel Er-doped waveguide amplifiers, Proceedings CLEO/IQEC 2004, San Francisco, 16 - 21 May 2004
Yeatman EM, 2004, Planar waveguide optical amplifiers, Handbook on Sol-Gel techniques for glass producers and users, Editors: Aegerter, Mennig, Publisher: Kluwer Academic
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