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Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints

Journal Article
Müller, T., See, C. H., Ghani, A., Bati, A., & Thiemann, P. (2017)
Direct flux control – sensorless control method of PMSM for all speeds – basics and constraints. Electronics Letters, 53(16), 1110-1111. https://doi.org/10.1049/el.2017.1772
The limitations of sensorless control of permanent magnet synchronous machines (PMSMs) are discussed and a viable solution is proposed. The main concept of sensorless control ...

Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments

Journal Article
See, C. H., Abd-Alhameed, R. A., Atojoko, A. A., McEwan, N. J., & Excell, P. S. (2018)
Link Budget Maximization for a Mobile-Band Subsurface Wireless Sensor in Challenging Water Utility Environments. IEEE Transactions on Industrial Electronics, 65(1), 616-625. https://doi.org/10.1109/tie.2017.2719602
A subsurface chamber transceiver system and associated propagation channel link budget considerations for an underground wireless sensor system (UWSS) are presented: the appli...

Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications

Journal Article
Elfergani, I. T. E., Rodriguez, J., Abdussalam, F. M., See, C. H., & Abd-Alhameed, R. A. (2017)
Miniaturized Balanced Antenna with Integrated Balun for Practical LTE Applications. Radioengineering, 26(2), 444-452. https://doi.org/10.13164/re.2017.0444
A design of dual-band balanced antenna structure operating in the 700 and 2600MHz LTE bands is studied and investigated. The overall dimensions of the radiator are 50 × 18 × 7...

An Active Microwave Sensor for Near Field Imaging

Journal Article
Mirza, A. F., See, C. H., Danjuma, I. M., Asif, R., Abd-Alhameed, R. A., Noras, J. M., …Excell, P. S. (2017)
An Active Microwave Sensor for Near Field Imaging. IEEE Sensors Journal, 17(9), 2749-2757. https://doi.org/10.1109/jsen.2017.2673961
Near field imaging using microwaves in medical applications is of great current interest for its capability and accuracy in identifying features of interest, in comparison wit...

Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy

Journal Article
See, C. H., Abd-Alhameed, R. A., Mirza, A. F., McEwan, N. J., Excell, P. S., & Balzano, Q. (2017)
Mathematical Model for Calibration of Potential Detection of Nonlinear Responses in Biological Media Exposed to RF Energy. The Applied Computational Electromagnetics Society Journal, 32(1), 1-7
An efficient way to test for potential unsymmetrical nonlinear responses in biological tissue samples exposed to a microwave signal is to observe the second harmonic in a cavi...

Conical beam monopole antenna design for Chinese area positioning system

Journal Article
Pang, F., Ai, G., Yin, J., Ma, Y., Hu, C., Cui, J., …Abd-Alhameed, R. A. (2016)
Conical beam monopole antenna design for Chinese area positioning system. Progress in Electromagnetics Research C: PIER C, 68, 193-200. https://doi.org/10.2528/pierc16083005
This article describes the operational principle of the satellite-based Chinese Area Positioning System (CAPS) and proposes a monopole antenna for a large anchored buoy platfo...

A compact and broadband balun design for LTE applications

Journal Article
Elfergani, I. T. E., Hussaini, A. S., Rodriguez, J., Ali, A. H., See, C. H., & Abd-Alhameed, R. A. (2016)
A compact and broadband balun design for LTE applications. Progress in electromagnetics research B: PIER B, 67, 85-95. https://doi.org/10.2528/pierc16071805
In this paper, a compact wideband planar balun is studied and investigated. The proposed balun comprises a broadband Wilkinson divider followed by non-coupled lines to attain ...

A novel method for rapid inspection of sewer networks: combining acoustic and optical means

Journal Article
Plihal, H., Kretschmer, F., Ali, M. T. B., See, C. H., Romanova, A., Horoshenkov, K. V., & Ertl, T. (2016)
A novel method for rapid inspection of sewer networks: combining acoustic and optical means. Urban Water Journal, 13(1), 3-14. https://doi.org/10.1080/1573062x.2015.1076857
Operation and maintenance of the public sewer system represent key tasks for an operator. Condition assessment is usually conducted by conventional closed circuit television (...

Compact and closely spaced tunable printed F-slot multiple-input–multiple-output antenna system for portable wireless applications with efficient diversity

Journal Article
Elfergani, I. T., Hussaini, A. S., Rodriguez, J., Abd-Alhameed, R. A., See, C. H., Jan, N., …McEwan, N. J. (2014)
Compact and closely spaced tunable printed F-slot multiple-input–multiple-output antenna system for portable wireless applications with efficient diversity. IET Science, Measurements and Technology, 8(6), 359-369. https://doi.org/10.1049/iet-smt.2013.0276
In this work, miniaturised tunable two-antenna multiple-input–multiple-output (MIMO) systems composed of printed F-slot shaped are developed to operate in the global positioni...

Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays

Journal Article
Ghani, A., See, C. H., & Usman Ali, S. M. U. (2014)
Step forward to map fully parallel energy efficient cortical columns on field programmable gate arrays. IET Science, Measurements and Technology, 8(6), 432-440. https://doi.org/10.1049/iet-smt.2014.0004
This study presents energy and area-efficient hardware architectures to map fully parallel cortical columns on reconfigurable platform - field programmable gate arrays (FPGAs)...