All Outputs (222)

Area exploration with a swarm of UAVs combining deterministic chaotic ant colony mobility with position MPC. (2017)
Conference Proceeding
ROSALIE, M., DENTLER, J.E., DANOY, G., BOUVRY, P., KANNAN, S., OLIVARES-MENDEZ, M.A. and VOOS, H. 2017. Area exploration with a swarm of UAVs combining deterministic chaotic ant colony mobility with position MPC. In Proceedings of 2017 International conference on unmanned aircraft systems (ICUAS 2017), 13-16 June 2017, Miami, USA. Piscataway: IEEE [online], pages 1392-1397. Available from: https://doi.org/10.1109/ICUAS.2017.7991418

The recent advances in Unmanned Aerial Vehicles (UAVs) technology permit to develop new usages for them. One of the current challenges is to operate UAVs as an autonomous swarm. In this domain we already proposed a new mobility model using Ant Colony... Read More about Area exploration with a swarm of UAVs combining deterministic chaotic ant colony mobility with position MPC..

Comparison of wear performance of thermal sprayed cermet (WC-Co) coatings from suspension and feedstock powders. (2017)
Conference Proceeding
ALI, O., AHMED, R., ALAWADHI, H., SHAMEER, M., FAISAL, N., AL-ANAZI, N. and GOOSEN, M. 2017. Comparison of wear performance of thermal sprayed cermet (WC-Co) coatings from suspension and feedstock powders. In Proceedings of the 2017 International thermal spray conference and exposition (ITSC 2017), 7-9 June 2017, Düsseldorf, Germany. Düsseldorf: DVS Media, pages 681-686.

WC-Co coatings were deposited using conventional High Velocity Oxy-Fuel Jet-Kote (HVOF-JK) and Suspension HVOF (S-HVOF) methods. Microstructural and mechanical properties along with the wear resistance of coatings were investigated. Reciprocating sli... Read More about Comparison of wear performance of thermal sprayed cermet (WC-Co) coatings from suspension and feedstock powders..

Characterization of hydroxyapatite layer on AISI 316L stainless steel. (2017)
Conference Proceeding
HLINKA, J., LASEK, S., SIOSTRZONEK, R. and FAISAL, N. 2017. Characterization of hydroxyapatite layer on AISI 316L stainless steel. In Proceedings of the 26th International conference on metallurgy and materials (METAL 2017), 24-26 May 2017, Brno, Czech Republic. Ostrava: Tanger, pages 1292-1297.

Bioactive coatings can be divided into two main groups - organic and inorganic coatings. Hydroxyapatite (HA) is well known as one of inorganic part of mammal's bone structure and is highly recommended for use in implantology. This paper is mainly foc... Read More about Characterization of hydroxyapatite layer on AISI 316L stainless steel..

Comparison of artificial neural network and multiple regression for partial discharge sources recognition. (2017)
Conference Proceeding
MAS'UD, A.A., MUHAMMAD-SUKKI, F., ALBARRACIN, R., ARDILA-REY, J.A., ABU-BAKAR, S.H., AZIZ, N.F.A., BANI, N.A. and MUHTAZARUDDIN, M.N. 2017. Comparison of artificial neural network and multiple regression for partial discharge sources recognition. In Proceedings of the 9th IEEE-GCC conference and exhibition 2017 (GCCCE 2017), 8-11 May 2017, Manama, Bahrain. New York: IEEE [online], article number 8448033, pages 519-522. Available from: https://doi.org/10.1109/IEEEGCC.2017.8448033

This paper compares the capabilities of the artificial neural network (ANN) and multiple linear regression (MLR) for recognizing and discriminating partial discharge (PD) defects. Statistical fingerprints obtained from a several PD measurement were a... Read More about Comparison of artificial neural network and multiple regression for partial discharge sources recognition..

Assessment of effective radiated power of the partial discharge emulator source. (2017)
Conference Proceeding
JABER, A., LAZARIDIS, P., SAEED, B., ZHANG, Y., KHAN, U., UPTON, D., AHMED, H., MATHER, P., ATKINSON, R., JUDD, M., VIEIRA, M.F.Q. and GLOVER, I. 2016. Assessment of effective radiated power of the partial discharge emulator source. In Otung, I., Pillai, P., Eleftherakis, G. and Giambene, G. (eds.) Wireless and satellite systems: proceedings of 8th Wireless and satelite systems international conference 2016 (WiSATS 2016), 19-20 September 2016, Cardiff, UK. Lecture notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 186. Cham: Springer [online], pages 108-115. Available from: https://doi.org/10.1007/978-3-319-53850-1_12

Two effective partial discharge (PD) measurement techniques are used; a galvanic contact measurement technique similar to the IEC 60270 standard measurement and free-space radiometric (FSR) measurement. Several types of PD sources are specially const... Read More about Assessment of effective radiated power of the partial discharge emulator source..

Esterification of lactic acid and ethanol using heterogenous catalysts for the production of a bio-based chemical. (2017)
Conference Proceeding
EDIDIONG, O., HABIBA, S. and GOBINA, E. 2017. Esterification of lactic acid and ethanol using heterogenous catalysts for the production of a bio-based chemical. In Ao, S.I., Gelman, L., Hukins, D.W.L., Hunter, A. and Korsunsky, A.M. (eds.) Proceedings of the 2017 International multiconference of engineers and computer scientists (IMECS 2017), 15-17 March 2017, Hong Kong, China. Lecture notes in engineering and computer science, 2228. Hong Kong: Newswood Ltd [online], pages 811-817. Available from: http://www.iaeng.org/publication/IMECS2017/IMECS2017_pp811-817.pdf

In this work, the batch process esterification reaction was carried out at 80 oC using different types of heterogeneous catalysts. The heterogeneous resin catalysts used for the analysis were amberlyst 15, amberlyst 36, amberlyst 16 and dowex 50W8x.... Read More about Esterification of lactic acid and ethanol using heterogenous catalysts for the production of a bio-based chemical..

Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes. (2017)
Conference Proceeding
HABIBA, S., AJAYI, A., EDIDIONG, O. and GOBINA, E. 2017. Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes. In Ao, S.-I., Kim, H.K. and Amouzegar, M.A. (eds.) Transactions on engineering technologies: revised selections from proceedings of the 2015 World congress on engineering and computer science (WCECS 2015), 21-23 October 2015, San Francisco, USA. Singapore: Springer [online], pages 541-553. Available from: https://doi.org/10.1007/978-981-10-2717-8_38

The emissions of volatile organic compounds (VOCs) from onshore and offshore facilities are studied and an alternative technology for the recovery of methane and propane by the use of membrane technology is explored. Permeation tests were carried out... Read More about Recovery of VOC from offshore and onshore shuttle tankers using structured Y-type zeolite membranes..

Adaptive control of hysteretic robotic arm in operational space. (2016)
Conference Proceeding
KANNAN, S., QUINTANAR-GUZMAN, S., BEZZAOUCHA, S., OLIVARES-MENDEZ, M.A. and VOOS, H. 2016. Adaptive control of hysteretic robotic arm in operational space. In Proceedings of the 5th International conference on mechatronics and control engineering 2016 (ICMCE 2016), 14-17 December 2016, Venice, Italy. New York: ACM [online], pages 92-96. Available from: https://doi.org/10.1145/3036932.3036957

The focus of the current article is on Operational Space Control of a single degree of freedom robotic arm with hysteretic joint behaviour due to actuation by a single Shape Memory Alloy (SMA) wire. A Closed Loop Inverse Kinematics Algorithm is used... Read More about Adaptive control of hysteretic robotic arm in operational space..

Adaptive control of robotic arm with hysteretic joint. (2016)
Conference Proceeding
KANNAN, S., BEZZAOUCHA, S., QUINTANAR-GUZMAN, S., OLIVARES-MENDEZ, M.A. and VOOS, H. 2016. Adaptive control of robotic arm with hysteretic joint. In Proceedings of 4th International conference on control, mechatronics and authormation 2016 (ICCMA 2016), 7-11 December 2016, Barcelona, Spain. New York: ACM [online], pages 46-50. Available from: https://doi.org/10.1145/3029610.3029632

This article addresses the problem of control of robotic arm with a hysteretic joint behaviour. The mechanical design of the one-degree of freedom robotic arm is presented where the joint is actuated by a Shape Memory Alloy (SMA) wire. The SMA wire b... Read More about Adaptive control of robotic arm with hysteretic joint..

Model predictive control for spacecraft rendezvous. (2016)
Conference Proceeding
KANNAN, S., SAJADI-ALAMDARI, S.A., DENTLER, J., OLIVARES-MENDEZ, M.A. and VOOS, H. 2016. Model predictive control for spacecraft rendezvous. In Proceedings of the 4th International conference on control, mechatronics and automation 2016 (ICCMA 2016), 7-11 December 2016, Barcelona, Spain. New York: ACM [online], pages 121-125. Available from: https://doi.org/10.1145/3029610.3029633

The current paper addresses the problem of Spacecraft Rendezvous using Model Predictive Control (MPC). The Clohessy-Wiltshire-Hill equations are used to model the spacecraft relative motion. Here the rendezvous problem is discussed by trajectory cont... Read More about Model predictive control for spacecraft rendezvous..

A tracking error control approach for model predictive position control of a quadrotor with time varying reference. (2016)
Conference Proceeding
DENTLER, J., KANNAN, S., OLIVARES MENDEZ, M.A., and VOOS, H. 2016. A tracking error control approach for model predictive position control of a quadrotor with time varying reference. In Proceedings of the 2016 IEEE (Institute of Electrical and Electronics Engineers) international conference on Robotics and biomimetrics (ROBIO 2016), 3-7 December 2016, Qingdao, China. Piscataway: IEEE [online], pages 2051-2056. Available from: https://doi.org/10.1109/ROBIO.2016.7866631

In mobile robotic applications, a common problem is the following of a given trajectory with a constant velocity. Using standard model predictive control (MPC) for tracking of time varying trajectories leads to a constant tracking error. This problem... Read More about A tracking error control approach for model predictive position control of a quadrotor with time varying reference..

Modular multilevel converter modulation using fundamental switching selective harmonic elimination method. (2016)
Conference Proceeding
NAMPALLY, A. and SINHA, Y. 2016. Modular multilevel converter modulation using fundamental switching selective harmonic elimination method. In Proceedings of the 5th Institute of Electrical and Electronics Engineers (IEEE) International conference on renewable energy research and applications (ICRERA 2016), 20-23 November 2016, Birmingham, UK. Piscataway: IEEE [online], pages 736-741. Available from: https://doi.org/10.1109/ICRERA.2016.7884431.

This paper address the issue of low order harmonics in a modular multilevel converter (MMC). Using fundamental switching selective harmonic elimination (SHE), the control angles are calculated from nonlinear equations by Newton-Raphson method. The se... Read More about Modular multilevel converter modulation using fundamental switching selective harmonic elimination method..

Linearized DQ averaged model of modular multilevel converter. (2016)
Conference Proceeding
NAMPALLY, A. and SINHA, Y. 2016. Linearized DQ averaged model of modular multilevel converter. In Proceedings of the 5th Institute of Electrical and Electronics Engineers (IEEE) International conference on renewable energy research and applications (ICRERA 2016), 20-23 November 2016, Birmingham, UK. Piscataway: IEEE [online], pages 861-866. Available from: https://doi.org/10.1109/ICRERA.2016.7884458.

This paper proposes a linearized model of Modular Multilevel Converter (MMC) in DQ frame. The proposed MMC model has a modular structure and can be linked with other power elements such as AC and DC subsystems. The main challenge of developing DQ mod... Read More about Linearized DQ averaged model of modular multilevel converter..

Averaged model of modular multilevel converter in rotating DQ frame. (2016)
Conference Proceeding
NAMPALLY, A. and SINHA, Y. 2016. Averaged model of modular multilevel converter in rotating DQ frame. In Proceedings of the 5th Institute of Electrical and Electronics Engineers (IEEE) International conference on renewable energy research and applications (ICRERA 2016), 20-23 November 2016, Birmingham, UK. Piscataway: IEEE [online], pages 319-324. Available from: https://doi.org/10.1109/ICRERA.2016.7884559

This paper proposes an average model of Modular Multilevel Converter (MMC) in rotating DQ frame. The proposed MMC model has a modular structure and can be linked with other power elements such as AC and DC subsystems. Modelling in DQ frame has numero... Read More about Averaged model of modular multilevel converter in rotating DQ frame..

Holographic interferometry for security and forensic applications. (2016)
Conference Proceeding
AMBADIYIL, S., SREELEKSHMI, R.C., PILLAI, V.P.M. and PRABHU, R. 2016. Holographic interferometry for security and forensic applications. In Burgess, D., Owen, G., Bouma, H., Carlysle-Davies, F., Stokes, R.J. and Yitzhaky, Y. (eds.) Proceedings of the 12th Optics and photonics for counterterrorims, crime fighting and defence conference 2016: co-located with Society of Photographic Instrumentation Engineers (SPIE) security and defence conference, 26-27 September 2016, Edinburgh, UK. Proceedings of SPIE, 9995. Bellingham: SPIE [online], article ID 999502. Available from: https://doi.org/10.1117/12.2242153

Security holograms having unique 3D images are one of the tools for enhancing the security for product and personnel authentication and anti-counterfeiting. Apart from the high technology that is required, the uniqueness of a 3D object presents a sig... Read More about Holographic interferometry for security and forensic applications..

Partial discharge detection using software defined radio. (2016)
Conference Proceeding
MOHAMED, H., LAZARIDIS, P., UPTON, D., KHAN, U., SAEED, B., JABER, A., ZHANG, Y., MATHER, P., VIEIRA, M.F.Q., BARLEE, K., ATKINSON, D.S.W. and GLOVER, I.A. 2016. Partial discharge detection using software defined radio. In Al-Shibaany, Z.Y.A. and Hameed, A.F. (eds.) Proceedings of 2016 International conference for students on applied engineering (ICSAE 2016), 20-21 October 2016, Newcastle Upon Tyne, UK. Piscataway: IEEE [online], pages 373-376. Available from: https://doi.org/10.1109/ICSAE.2016.7810220

Partial discharge (PD) is an electrical discharge that occurs within part of the dielectric separating two HV (High Voltage) conductors. PD causes damage to the dielectric which typically deteriorates with time. If left untreated, PD may result in ca... Read More about Partial discharge detection using software defined radio..

Validation of partial discharge emulator simulations using free-space radiometric measurements. (2016)
Conference Proceeding
JABER, A., LAZARIDIS, P., SAEED, B., ZHANG, Y., KHAN, U., UPTON, D., AHMED, H., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2016. Validation of partial discharge emulator simulations using free-space radiometric measurements. In Al-Shibaany, Z.Y.A. and Hameed, A.F. (eds.) Proceedings of 2016 International conference for students on applied engineering (ICSAE 2016), 20-21 October 2016, Newcastle Upon Tyne, UK. Piscataway: IEEE [online], pages 475-478. Available from: https://doi.org/10.1109/ICSAE.2016.7810238

A useful technique to estimate the degradation of insulation in high voltage (HV) installations is the measurement of partial discharge (PD). Free-space radiometric (FSR) detection of PD is a relatively new technique. Several types of PD emulator sou... Read More about Validation of partial discharge emulator simulations using free-space radiometric measurements..

Abstract book for the proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-15 September 2016, Aberdeen, UK. (2016)
Conference Proceeding
STAROST, K. and NJUGUNA, J. (eds.) 2016. Abstract book for the proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-15 September 2016, Aberdeen, UK. Berlin: Nanostruc [online]. Available from: https://web.archive.org/web/20180123120946/http://www.nanostruc.info/nanostruc-conference.html

The theme of the 3rd NANOSTRUC 2016 conference is on ‘Nanoscience and Nanotechnologies – Recent Advances towards Nanoproducts and Applications’. The conference is aimed to promote activities in various areas on materials and structures by providing a... Read More about Abstract book for the proceedings of the 3rd International conference on structural nano composites (NANOSTRUC 2016), 12-15 September 2016, Aberdeen, UK..

Comparative study of partial discharge emulators for the calibration of free-space radiometric measurements. (2016)
Conference Proceeding
JABER, A., LAZARIDIS, P., SAEED, B., ZHANG, Y., KHAN, U., UPTON, D., AHMED, H., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2016. Comparative study of partial discharge emulators for the calibration of free-space radiometric measurements. In Xu, Z. and Wang, J. Proceedings of 22nd International conference on automation and computing 2016 (ICAC 2016): tackling the new challenges in automation and computing, 7-8 September 2016, Colchester, UK. Piscataway: IEEE [online], article ID 7604938, pages 313-316. Available from: https://doi.org/10.1109/iconac.2016.7604938

Partial discharge is measured simultaneously using free-space radiometry (FSR) and a galvanic contact measurement technique based on the IEC 60270 standard. Several types of PD (Partial Discharge) sources are specially constructed: two internal PD em... Read More about Comparative study of partial discharge emulators for the calibration of free-space radiometric measurements..

Development of a self-propelled capsule robot for pipeline inspection. (2016)
Conference Proceeding
YUSUPOV, A. and LIU, Y. 2016. Development of a self-propelled capsule robot for pipeline inspection. In Xu, Z. and Wang, J. (eds.) Tackling the new challenges in automation and computing: proceedings of the 22nd International conference on automation and computing (ICAC 2016), 7-8 September 2016, Colchester, UK. Piscataway: IEEE [online], pages 84-88. Available from: https://doi.org/10.1109/IConAC.2016.7604899.

This paper introduces a current research project carried out in the Robert Gordon University for developing the prototype of the vibro-impact capsule robot for pipeline inspection. The project aims to address the technical bottlenecks which have been... Read More about Development of a self-propelled capsule robot for pipeline inspection..