Adaptive PN code acquisition in multi-path spread spectrum communications using FPGA.
Conference Proceeding
Wei, B., Sharif, M., Binnie, D. & Almaini, A. E. A. (2007)
Adaptive PN code acquisition in multi-path spread spectrum communications using FPGA. In Proceedings of the 13th International Symposium on Signals, Circuits and Systems, 573-576. ISBN 978-1424409686
Performance of two pseudonoise (PN) code detectors was tested. Cell averaging (CA) and order Statistics (OS) constant false alarm rates (CFAR) were analysed against mean acqui...
DS-CDMA PN code acquisition in Rayleigh Fading Channel.
Journal Article
Sharif, M., Obiebi, J. & Sharp, J. (2006)
DS-CDMA PN code acquisition in Rayleigh Fading Channel. The Mediterranean journal of electronics and communications. 2, 59-71. ISSN 1744-2400
In this paper, an adaptive double dwell PN code acquisition circuit suitable for use in DS-CDMA systems is proposed. The adaptive nature of the circuit is based on the cell av...
Application of Robust Chattering-Reduction Sliding Mode Control Techniques for Position Control of a Vector-Controlled Induction Machine with Non-Linear Friction Dynamics
Journal Article
Goh, K. B., Dunnigan, M. W., & Williams, B. W. (2005)
Application of Robust Chattering-Reduction Sliding Mode Control Techniques for Position Control of a Vector-Controlled Induction Machine with Non-Linear Friction Dynamics. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 219(8), 577-590. doi:10.1243/095965105x33635
Sliding mode control (SMC) methods possess several advantageous properties such as robustness against parameter variation, disturbance rejection, straightforward design, and a...
Sensorless second-order sliding-mode speed control of a voltage-fed induction-motor drive using nonlinear state feedback
Journal Article
Rashed, M., Goh, K. B., Dunnigan, M. W., MacConnell, P. F. A., Stronach, A. F., & Williams, B. W. (2004)
Sensorless second-order sliding-mode speed control of a voltage-fed induction-motor drive using nonlinear state feedback. IEE proceedings. Electric power applications, 152(5), 1127. doi:10.1049/ip-epa:20050042
A high-performance and robust sensorless speed-control scheme of a voltage-fed
induction motor has been developed in which the control of speed and flux is decoupled. A robust...
Multilevel logic simplification based on containment recursive paradigm.
Journal Article
Wang, L. Y. & Almaini, A. E. A. (2003)
Multilevel logic simplification based on containment recursive paradigm. IEE proceedings. Computers and digital techniques. 150, 218-226. doi:10.1049/ip-cdt:20030575. ISSN 1350-2387
This paper addresses a number of fundamental concepts and a novel technique for optimising practical multi-level designs for completely and incompletely specified multi-output...
Higher-order sliding mode control of a diesel generator set
Journal Article
Goh, K. B., Spurgeon, S. K., & Jones, N. B. (2003)
Higher-order sliding mode control of a diesel generator set. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 217(3), 229-241. doi:10.1177/095965180321700305
Diesel engines are used as prime movers and independent power sources in many applications because of their advantages in terms of fuel efficiency, robustness and reliability....
Exact minimisation of large multiple output FPRM functions.
Journal Article
Almaini, A. E. A. & Wang, L. Y. (2002)
Exact minimisation of large multiple output FPRM functions. IEE proceedings. Computers and digital techniques. 149, 203-212. doi:10.1049/ip-cdt:20020674. ISSN 1350-2387
The properties of the polarity for sum-of-products (SOP) expressions of Boolean functions are formally investigated. A transform matrix S is developed to convert SOP expressio...
Genetic algorithm based state assignment for power and area optimisation.
Journal Article
Xia, Y. & Almaini, A. E. A. (2002)
Genetic algorithm based state assignment for power and area optimisation. IEE proceedings. Computers and digital techniques. 149, 128-133. doi:10.1049/ip-cdt:20020431. ISSN 1350-2387
The use of assignment to minimise power dissipation and area for finite-state machines is computationally difficult. Most published results show that the reduction of switchin...
Optimisation of Reed-Muller PLA implementations.
Journal Article
Wang, L. Y. & Almaini, A. E. A. (2002)
Optimisation of Reed-Muller PLA implementations. IEE proceedings. Circuits, devices, and systems. 149, 119-128. doi:10.1049/ip-cds:20020354. ISSN 1350-2409
Decomposition techniques are utilised for mixed polarity Reed-Muller minimisation, which lead to Reed-Muller programmable logic array implementations for Boolean functions. Th...
Fault diagnostics using slide mode techniques.
Journal Article
Goh, K. B., Spurgeon, S. K. & Jones, N. B. (2002)
Fault diagnostics using slide mode techniques. Control Engineering Practice. 10, 207-217. doi:10.1016/S0967-0661(01)00114-9. ISSN 0967-0661
A sliding mode technique was developed and applied to analyse temperature sensor data to reveal faults. The advantage of the technique is that it allows other system parameter...