Dr. David J. Jefferies

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University of Surrey
School of Electronics and Physical Sciences
Electronic and Electrical Engineering
Advanced Technology Institute
Senior LecturerAppointed: 1983

Mailing Address

School of Electronics and Physical Sciences
University of Surrey
Guildford, Surrey GU2 7XH
United Kingdom

Contact Information

Phone: +44 1483689295
Fax: 01483 534139
D.Jefferies@surrey.ac.uk
http://www.ee.surrey.ac.uk/Personal/D.Jefferies/

Qualifications

Ph.D., Stanford University, 1979.
M.A., University of Oxford, 1973.
M.S., Stanford University, 1968.
B.A., University of Oxford, 1965.

Expertise and Research Interests

Microwave engineering
Microwave acoustics
Antenna engineering
Analogue circuit engineering
Low temperature experimental techniques
Neutron scattering
X ray scattering
Telecommunications
Teaching lab experiment design

Complexity
Electronic chaos
Acoustic chaos
Engineering and Physical Sciences mathematics
Nesting habits of Parus Caeruleus
Classical Western music

Industrial Relevance

Wideband antenna design
Complex systems in electronics and computing
The limits to predictability in deterministic electronic systems

Keywords

COS Keywords:

Chaos, Electrical Engineering or Electronics, Electromagnetics, Local Area Networks, Mathematics, Statistics.

Additional Terms:

Agent Based Models, Antennas, Applied Complexity, Arbiters, Asynchronism, Bipolar Junction Transistor Model, Chaos, Chaotic Behaviour, Chaotic Dc-Dc Converter, Chaotic Dynamics, Clocked Autonomous Digital Systems, Complex Systems, Computer Data Networks, Converter, Data Transfer, Dc-Dc Converters, Deterministic Model, Discrete System, Electromagnetics, Electronic Systems, Electronics, Emergent Structures, Ferroelectrics, Image Transformations, Intermittent, Limits to Simulation, Local Area Networks, Mathematics, Metastability, Modelling, Networks, Non-Linear Dynamics, Non-Linearity, Nonlinear, Nonlinear Phenomena, Parallel Computer, Periodic, Piecewise Linear, Piecewise-Linear Diode, Piecewise-Linear Model, Power, Power Converter, Reliability, Reverse Recovery, Review Article, Rf Amplifier, Self-Similarity, Spectral Peaks, Spectral Peaks, Chaotic Dc-Dc Converter, Statistics, Subharmonic, Switch-Mode, Traffic Flow, Transient Behaviour, Traps, Wideband Antenna Design.

Languages

(Reading, Writing, Speaking)

French: (Functional, Basic, Basic)

Memberships

Audio Engineering Society
Institute of Physics
Institution of Electrical Engineers (UK)
Sigma Xi (US)

Honors and Awards

1962-1965, Open Scholar, St Catherine's College, Oxford, Physics

Previous Positions

1979-1983, Lecturer, University of Oxford
1976-1979, Fellow, University of Nottingham
1973-1975, Research Assistant, University of Aberdeen
1965-1969, Research Assistant, Stanford University

Funding Received

  • Materials research
  • Defence Research Agency
  • Value: 27036
  • Start Date: not given
  • Finish Date: not_given
  • Duration: 24 months
  • (Co-investigator, 2 other team members)
  • The study of chaotic flow in bridged local area network architectures
  • Engineering and Physical Sciences Research Council (EPSRC)
  • Value: 89256
  • Start Date: 19920401
  • Finish Date: 19940930
  • Duration: 30 months
  • (Co-investigator, 1 other team member)
  • Synchronisation and control of chaotic systems
  • INTAS
  • Value: 1763
  • Start Date: 19950601
  • Finish Date: 19
  • Duration: not_given
  • (Single investigator)

Publications

  • On the motions of the offset impact oscillator, J Phys A, 1984, 17, 1791-1803
  • Frequency division using diodes in resonant systems, Phys Letts, 1983, 99A, 356-358
  • Period multiplication and chaotic behaviour in a driven non-linear piezoelectric resonator, Phys Letts, 1982, 90A, 316-318
  • Jefferies DJ, Johnstone GG, Deane JHB An experimental search for the conditions for the existence of chaotic states in class C bipolar transistor rf amplifiers. International Journal of Electronics, 1991, 71(4), pp661-673
  • Jefferies DJ Circuit (electricity) - chaos in electric circuits. In:Pake SP ed. Yearbook of Science and Technology . New York: McGraw-Hill, 1991 pp74-76. ISBN 0-07-046707-2
  • Hamill DC, Deane JHB, Jefferies DJ Modelling of chaotic dc-dc converters by iterated nonlinear mappings. IEEE Transactions on Power Electronics, 1992, PE-7(1), pp25-36
  • Hamill DC, Jefferies DJ Subharmonics and chaos in a controlled switched-mode power converter. IEEE Transaction on Circuits and Systems, 1988, CAS35(8), pp1059-1061
  • Munck-Fairwood RC, Deane JHB, Jefferies DJ Chaos in asynchronously clocked communicating digital systems. International Journal of Electronics, 1989, 67(3), pp393-402
  • Jefferies DJ, Deane JHB, Johnstone GG An introduction to chaos. Electronics and Communication Engineering Journal, 1989, 3, pp115-123
  • Jefferies DJ International Journal of Electronics. London:Taylor & Francis, 1990, pp
  • Jefferies DJ International Journal of Electronics. London, UK:Taylor & Francis, 1991, pp
  • Jefferies DJ International Journal of Electronics. London, UK:Taylor & Francis, 1992, 2400pp
  • Deane JHB, Jefferies DJ Periodic, intermittent and chaotic states of clocked autonomous digital systems. International Journal of Circuit Theory and Applications, 1990, 18(2), pp175-187
  • Deane JHB, Smythe C, Jefferies DJ Prospects for chaotic behaviour in networks. 10th UK Teletraffic Symposium, Ipswich, UK, Apr 1993
  • Deane JHB, Jefferies DJ, Smythe C Chaotic traffic flow in local area networks. 11th European Conference on Circuit Theory and Design, Davos, Switzerland, Sep 1993
  • Deane JHB, Smythe C, Jefferies DJ Prospects for chaotic behaviour in networks. In:None ed. Proceedings of the 10th UK Teletraffic Symposium . Ipswich, UK: University of Ipswich, 1993 pp18/1-18/6
  • Deane JHB, Jefferies DJ, Smythe C Chaotic traffic flow in local area networks. In:Dedieu J ed. Proceedings of the 11th European Conference on Circuit Theory and Design . Amsterdam, The Netherlands: Elsevier, 1993 pp843-848. ISBN 0-444-81664X
  • Jefferies DJ International Journal of Electronics. London:Taylor & Francis Ltd, 1993, 2500pp
  • Jefferies DJ International Journal of Electronics. London:Taylor & Francis Ltd, 1994, 2500pp
  • Jefferies DJ Applications of chaos: buzzes, rattles and predictability. Public lecture: Institute of Physics Regional Lecture, Guildford, Surrey, Oct 1993
  • Jefferies DJ Chaos in electronics - reliably unreliable? IEE Divisional Lecture, Savoy Hill, London., Feb 1994
  • Jefferies DJ, Underhill MJ Limits to the reliability of asynchronous parallel computers. Complex'94, Rockhampton, Queensland, Australia, Sep 1994
  • Jefferies DJ, Underhill MJ Limits to the reliability of asynchronous digital parallel computers. In:Stonier RJ, Yu Xing Huo ed. Proceedings of Complex'94 . Rockhampton, Queensland, Australia: IOS Press, 1994 pp353-360
  • Deane JHB, Jefferies DJ, Smythe C The dynamics of deterministic data networks. Complex'94, Rockhampton, Queensland, Australia, Sep 1994
  • Deane JHB, Jefferies DJ, Smythe C The dynamics of deterministic data networks. In:Stonier RJ, Yu Xing Huo ed. Proceedings of Complex'94 . Rockhampton, Queensland, Australia: IOS Press, 1994 pp345-352
  • Karadzinov L, Jefferies DJ, Arsov GL, Deane JHB Simple piecewise-linear diode model for transient behaviour. International Journal of Electronics, 1995, 78(1), pp143-160
  • Jefferies DJ International Journal of Electronics. London, UK:Taylor & Francis Ltd, 1995, 2500pp
  • Jefferies DJ, Deane JHB, Smythe C Results on the chaotic dynamics and statistics of traffic flows on deterministic models of computer data networks. European Conference on Circuit Theory and Design, Istanbul, Turkey, Aug 1995
  • Jefferies DJ, Deane JHB, Smythe C Results on the chaotic dynamics and statistics of traffic flows on deterministic. In:Goknar C ed. Proceedings of the European Conference on Circuit Theory and Design . Turkey: ITU, 1995 pp91-94
  • Deane JHB, Smythe C, Jefferies DJ Self-similarity in a deterministic model of data transfer. International Journal of Electronics, 1996, 80(5), pp677-691
  • Karadzinov LV, Arsov GL, Jefferies DJ, Dzekov TA Beta-Parameters Charge-Control Piecewise-Linear Bipolar Junction Transistor Model. 7th International Power Electronics & Motion Control Conference., Budapest, Hungary, Sep 1996
  • Karadzinov LV, Arsov GL, Dzekov TA, Jefferies DJ Charge-control Piecewise-Linear Bipolar Junction Transistor Model. IEEE International Symposium on Industrial Electronics, Warsaw, Poland, Jun 1996
  • Karadzinov LV, Arsov GL, Jefferies DJ Alpha-parameters charge-control piecewise-linear BJT model. proceedings Dept of Electrical Engineering, Skopje, 1995, 18(1-2), pp3-11
  • Deane JHB, Ashwin P, Hamill DC, Jefferies DJ Calculation of Spectral Peaks in a Chaotic DC-DC Converter. IEE Trans. Circuits & Systems, Part I, 1998, 39, pp1-15
  • Deane JHB, Ashwin PB, Hamill DC, Jefferies DJ Calculation of spectral peaks in a chaotic dc-dc converter. Guildford:University of Surrey, 1998, 16pp. (Technical report in Maths and Stats. Vol 98/09)
  • Deane JHB, Ashwin PB, Hamill DC, Jefferies DJ Calculation of spectral peaks in a chaotic dc-dc converter. IEEE Trans Circuits and Systems, 1999, 46, pp1313-1319
  • Deane JHB, Jefferies DJ Chaotic Dynamics and forbidden words. Complex 2000 Conference, Dunedin, New Zealand, Nov 2000
  • Jefferies DJ, Deane JHB Emergent approximate fractal structures in cyclic iterating image transformations. Complex 2000 Conference, Dunedin, New Zealand, Nov 2000

Profile Details

Last Updated: 4/28/2005

COS Expertise ID #559301
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