Professor James Gilbert's Outputs (32)

Design of wideband vibration-based electromagnetic generator by means of dual-resonator (2014)
Journal Article
Ooi, B. L., & Gilbert, J. M. (2014). Design of wideband vibration-based electromagnetic generator by means of dual-resonator. Sensors and Actuators A: Physical, 213, 9-18. https://doi.org/10.1016/j.sna.2014.03.037

This paper describes the design of a wideband electromagnetic energy harvester that utilizes a novel dual-resonator method to improve the operational frequency range of the vibration-based generator. The device consists of two separate resonator syst... Read More about Design of wideband vibration-based electromagnetic generator by means of dual-resonator.

Design and optimisation of a footfall energy harvesting system (2014)
Journal Article
Gilbert, J. M., & Balouchi, F. (2014). Design and optimisation of a footfall energy harvesting system. Journal of Intelligent Material Systems and Structures, 25(14), 1746-1756. https://doi.org/10.1177/1045389X14523853

The scavenging of electrical energy from normal human activity has a number of attractions, and footfall energy is seen as one of the most attractive sources. However, footfall motion is characterised by relatively large forces and low velocities, an... Read More about Design and optimisation of a footfall energy harvesting system.

A vibrating cantilever footfall energy harvesting device (2014)
Journal Article
Gilbert, J. M., & Balouchi, F. (2014). A vibrating cantilever footfall energy harvesting device. Journal of Intelligent Material Systems and Structures, 25(14), 1738-1745. https://doi.org/10.1177/1045389X14521880

Human footfall is an attractive source of energy for harvesting for low-power applications. However, the nature of footfall is poorly matched to electromagnetic generators. Footfall motion is characterised by high forces and low speeds, while electro... Read More about A vibrating cantilever footfall energy harvesting device.

Small-vocabulary speech recognition using a silent speech interface based on magnetic sensing (2012)
Journal Article
Hofe, R., Ell, S. R., Fagan, M. J., Gilbert, J., Green, P. D., Moore, R. K., & Rybchenko, S. (2013). Small-vocabulary speech recognition using a silent speech interface based on magnetic sensing. Speech communication, 55(1), 22-32. https://doi.org/10.1016/j.specom.2012.02.001

This paper reports on word recognition experiments using a silent speech interface based on magnetic sensing of articulator movements. A magnetic field was generated by permanent magnet pellets fixed to relevant speech articulators. Magnetic field se... Read More about Small-vocabulary speech recognition using a silent speech interface based on magnetic sensing.

Speech synthesis parameter generation for the assistive silent speech interface MVOCA (2011)
Journal Article
Hofe, R., Ell, S. R., Fagan, M. J., Gilbert, J. M., Green, P. D., Moore, R. K., & Rybchenko, S. I. (2011). Speech synthesis parameter generation for the assistive silent speech interface MVOCA. Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, 3009 - 3012

In previous publications, a silent speech interface based on permanent-magnetic articulography (PMA) has been introduced and evaluated using standard automatic speech recognition techniques. However, word recognition is a task that is computationally... Read More about Speech synthesis parameter generation for the assistive silent speech interface MVOCA.

Evaluation of a silent speech interface based on magnetic sensing (2010)
Presentation / Conference Contribution
Hofe, R., Ell, S. R., Fagan, M. J., Gilbert, J. M., Green, P. D., Moore, R. K., & Rybchenko, S. I. (2010, September). Evaluation of a silent speech interface based on magnetic sensing. Presented at INTERSPEECH 2010, 11th Annual Conference of the International Speech Communication Association

This paper reports on isolated word recognition experiments using a novel silent speech interface. The interface consist of magnetic pellets that are fixed to relevant speech articulators, and a set of magnetic field sensors that measure changes in t... Read More about Evaluation of a silent speech interface based on magnetic sensing.

Isolated word recognition of silent speech using magnetic implants and sensors (2010)
Journal Article
Gilbert, J. M., Rybchenko, S. I., Hofe, R., Ell, S. R., Fagan, M. J., Moore, R. K., & Green, P. (2010). Isolated word recognition of silent speech using magnetic implants and sensors. Medical engineering & physics, 32(10), 1189-1197. https://doi.org/10.1016/j.medengphy.2010.08.011

There are a number of situations where individuals wish to communicate verbally but are unable to use conventional means so called 'silent speech'. These include speakers in noisy and covert situations as well as patients who have lost their voice as... Read More about Isolated word recognition of silent speech using magnetic implants and sensors.

Silent speech interfaces (2009)
Journal Article
Denby, B., Schultz, T., Honda, K., Hueber, T., Gilbert, J. M., & Brumberg, J. S. (2010). Silent speech interfaces. Speech communication, 52(4), 270-287. https://doi.org/10.1016/j.specom.2009.08.002

The possibility of speech processing in the absence of an intelligible acoustic signal has given rise to the idea of a 'silent speech' interface, to be used as an aid for the speech-handicapped, or as part of a communications system operating in sile... Read More about Silent speech interfaces.

Comparison of energy harvesting systems for wireless sensor networks (2008)
Journal Article
Balouchi, F., & Gilbert, J. M. (2008). Comparison of energy harvesting systems for wireless sensor networks. International Journal of Automation and Computing, 5(4), 334-347. https://doi.org/10.1007/s11633-008-0334-2

Wireless sensor networks (WSNs) offer an attractive solution to many environmental, security, and process monitoring problems. However, one barrier to their fuller adoption is the need to supply electrical power over extended periods of time without... Read More about Comparison of energy harvesting systems for wireless sensor networks.

Development of a (silent) speech recognition system for patients following laryngectomy (2007)
Journal Article
Fagan, M. J., Ell, S. R., Gilbert, J. M., Sarrazin, E., & Chapman, P. M. (2008). Development of a (silent) speech recognition system for patients following laryngectomy. Medical engineering & physics, 30(4), 419-425. https://doi.org/10.1016/j.medengphy.2007.05.003

Surgical voice restoration post-laryngectomy has a number of limitations and drawbacks. The present gold standard involves the use of a tracheo-oesophageal fistula (TOF) valve to divert air from the lungs into the throat, which vibrates, and from thi... Read More about Development of a (silent) speech recognition system for patients following laryngectomy.

Design of electronic systems based on functional capability (2007)
Journal Article
Gilbert, J. M. (2008). Design of electronic systems based on functional capability. Quality and Reliability Engineering International, 24(1), 3-21. https://doi.org/10.1002/qre.856

An important measure of design quality is the extent to which a circuit design is able to meets its specification in the presence of component parameter variations. Of equal importance is knowing how to improve this capability most effectively. This... Read More about Design of electronic systems based on functional capability.

The effect of stubs on the dynamics of TLM diffusion modeling networks (2000)
Journal Article
Gilbert, J., Wilkinson, A., & Pulko, S. (2000). The effect of stubs on the dynamics of TLM diffusion modeling networks. Numerical Heat Transfer, Part B Fundamentals, 37(2), 165-184. https://doi.org/10.1080/104077900275477

The dynamics of stub-loaded, diffusion-modeling transmission line matrix (TLM) nodes are investigated using the TLM-state space analogy. Analysis is performed for one-dimensional and three-dimensional nodes. Additional dynamics are identified and a s... Read More about The effect of stubs on the dynamics of TLM diffusion modeling networks.