All Outputs (699)

Model predictive cooperative localization control of multiple UAVs using potential function sensor constraints: a workflow to create sensor constraint based potential functions for the control of cooperative localization scenarios with mobile robots. (2018)
Journal Article
DENTLER, J., KANNAN, S., BEZZAOUCHA, S., OLIVARES-MENDEZ, M.A. and VOOS, H. 2019. Model predictive cooperative localization control of multiple UAVs using potential function sensor constraints: a workflow to create sensor constraint based potential functions for the control of cooperative localization scenarios with mobile robots. Autonomous robots [online], 43(1), pages 153-178. Available from: https://doi.org/10.1007/s10514-018-9711-z

The global localization of multiple mobile robots can be achieved cost efficiently by localizing one robot globally and the others in relation to it using local sensor data. However, the drawback of this cooperative localization is the requirement of... Read More about Model predictive cooperative localization control of multiple UAVs using potential function sensor constraints: a workflow to create sensor constraint based potential functions for the control of cooperative localization scenarios with mobile robots..

Annual prediction output of an RADTIRC-PV module. (2018)
Journal Article
FREIER, D., MUHAMMAD-SUKKI, F., ABU-BAKAR, S.H., RAMIREZ-INIGUEZ, R., MUNIR, A.B., YASIN, S.H.M., BANI, N.A., MAS'UD, A.A., ARDILA-REY, J.A. and KARIM, M.E. 2018. Annual prediction output of an RADTIRC-PV module. Energies [online], 11(3), article number 544. Available from: http://www.mdpi.com/1996-1073/11/3/544

The number of solar photovoltaic (PV) installations has been increasing worldwide but the high capital cost of installation continues to be the main challenge, particularly in many developing countries. The solar concentrator, a device that focuses t... Read More about Annual prediction output of an RADTIRC-PV module..

Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. (2018)
Journal Article
KRISHNAN, R.R., SANJEEV, G., PRABHU, R. and PILLAI, V.P.M. 2018. Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering. JOM: journal of the Minerals, Metals and Materials Society [online], 70(5), pages 739-746. Available from: https://doi.org/10.1007/s11837-018-2776-5

Undoped and Cu-doped In2O3 films were prepared by radiofrequency magnetron sputtering technique. The effects of Cu doping and high-energy electron beam irradiation on the structural and optical properties of as-prepared films were investigated using... Read More about Effect of electron beam irradiation on structural and optical properties of Cu-doped In2O3 films prepared by RF magnetron sputtering..

External lightning protection system for wind turbine blades - power performance. (2018)
Journal Article
AYUB, A.S., SIEW, W.H. and STICKLAND, M. 2018. External lighting protection system for wind turbine blades - power performance. CIGRE science and engineering [online], 10, pages 88-94 Available from: https://e-cigre.org/publication/CSE010-cse-010

Previous studies conducted by the authors on the aerodynamic performance of turbine blades have shown unfavourable effects of externally mounted lightning down conductors. Owing to this, one could ask whether or not externally mounted lightning down... Read More about External lightning protection system for wind turbine blades - power performance..

Geomechanical effects of oilfield chemicals on sand failure in reservoir rocks. (2018)
Journal Article
WUYEP, E.O., OLUYEMI, G.F., YATES, K. and AKISANYA, A.R. 2018. Geomechanical effects of oilfield chemicals on sand failure in reservoir rocks. Journal of petroleum science and engineering [online], 165, pages 347-357. Available from: https://doi.org/10.1016/j.petrol.2018.02.041

Sand failure may result in the production of formation sand at the same time the formation fluids are being produced. This work examines the effects of some commonly used oilfield chemicals, specifically, biocide, corrosion inhibitor and scale inhibi... Read More about Geomechanical effects of oilfield chemicals on sand failure in reservoir rocks..

Solar energy potentials and benefits in the Gulf Cooperation Council countries: a review of substantial issues. (2018)
Journal Article
MAS'UD, A.A., WIRBA, A.V., ALSHAMMARI, S.J., MUHAMMAD-SUKKI, F., ABDULLAHI, M.M., ALBARRACIN, R. and HOQ, M.Z. 2018. Solar energy potentials and benefits in the Gulf Cooperation Council countries: a review of substantial issues. Energies [online], 11(2), article number 372. Available from: https://doi.org/10.3390/en11020372

It is a well-known fact that the fossil fuel industry has dominated the economy of the Gulf Cooperation Council (GCC) countries during the last few decades. However, recent developments show that most of the GCC countries plan to increase the share o... Read More about Solar energy potentials and benefits in the Gulf Cooperation Council countries: a review of substantial issues..

State switching of a multistable impacting system using PD-like control. (2018)
Journal Article
LIU, B., FUNG, W.-K. and LIU, Y. 2018. State switching of a multistable impacting system using PD-like control. MATEC web of conferences [online], 148: proceedings of the 2017 International conference on engineering vibration (ICoEV 2017), 4-7 September 2017, Sofia, Bulgaria, article number 10001. Available from: https://doi.org/10.1051/matecconf/201814810001

A new PD-like control law is proposed in this paper to control a multistable impacting system. This control law can switch the system from a current, undesired state to a desired one by using the differences of the displacement and velocity between t... Read More about State switching of a multistable impacting system using PD-like control..

A fast and efficient coordinated vehicle-to-grid discharging control scheme for peak shaving in power distribution system. (2018)
Journal Article
ERDOGAN, N., ERDEN, F. and KISACIKOGLU, M.A. 2018. A fast and efficient coordinated vehicle-to-grid discharging control scheme for peak shaving in power distribution system. Journal of modern power systems and clean energy [online], 6(3), pages 555-566. Available from: https://doi.org/10.1007/s40565-017-0375-z

This study focuses on the potential role of plug-in electric vehicles (PEVs) as a distributed energy storage unit to provide peak demand minimization in power distribution systems. Vehicle-to-grid (V2G) power and currently available information trans... Read More about A fast and efficient coordinated vehicle-to-grid discharging control scheme for peak shaving in power distribution system..

Mechanical structural design of a MEMS-based piezoresistive accelerometer for head injuries monitoring: a computational analysis by increments of the sensor mass moment of inertia. (2018)
Journal Article
MESSINA, M., NJUGUNA, J. and PALAS, C. 2018. Mechanical structural design of a MEMS-based piezoresistive accelerometer for head injuries monitoring: a computational analysis by increments of the sensor mass moment of inertia. Sensors [online], 18(1), article number 289. Available from: https://doi.org/10.3390/s18010289

This work focuses on the proof-mass mechanical structural design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common; for example, in sports such as racing cars... Read More about Mechanical structural design of a MEMS-based piezoresistive accelerometer for head injuries monitoring: a computational analysis by increments of the sensor mass moment of inertia..

A comprehensive case study of climate change impacts on the cooling load in an air-conditioned office building in Malaysia. (2017)
Journal Article
YAU, Y.H. and HASBI, S. 2017. A comprehensive case study of climate change impacts on the cooling load in an air-conditioned office building in Malaysia. Energy procedia [online], 143: proceedings of the 2017 World engineers summit joint conference of applied energy symposium and forum and low carbon urban energies (WES-CUE 2017), 18-21 July 2017, Singapore, pages 295-300. Available from: https://doi.org/10.1016/j.egypro.2017.12.687

In an earlier paper [1], the authors had comprehensively reviewed the climate change impacts for commercial buildings and their technical services in the tropics, and it revealed that numerous studies have been conducted to assess the climate change... Read More about A comprehensive case study of climate change impacts on the cooling load in an air-conditioned office building in Malaysia..

Removal of lead (II) from aqeouos waste using (CD-PCL-TiO2) bio-nanocomposites. (2017)
Journal Article
SEEMA, K.M., MAMBA, B.B., NJUGUNA, J., BAKHTIZIN, R.Z. and MISHRA, A.K. 2018. Removal of lead (II) from aqeouos waste using (CD-PCL-TiO2) bio-nanocomposites. International journal of biological macromolecules [online], 109, pages 136-142. Available from: https://doi.org/10.1016/j.ijbiomac.2017.12.046

Lead (Pb) pollution is our water system is a major concern, as this metal is toxic even at low concentration. This study aim to fabricate a bio-nanocomposite (cyclodextrin-polycaprolactone titanium dioxide) that will be used as an adsorbent for the r... Read More about Removal of lead (II) from aqeouos waste using (CD-PCL-TiO2) bio-nanocomposites..

Effect of capsule shape on hydrodynamic characteristics and optimal design of hydraulic capsule pipelines. (2017)
Journal Article
ASIM, T., ALGADI, A. and MISHRA, R. 2018. Effect of capsule shape on hydrodynamic characteristics and optimal design of hydraulic capsule pipelines. Journal of petroleum science and engineering [online], 161, pages 390-408. Available from: https://doi.org/10.1016/j.petrol.2017.12.001

Hydraulic capsule pipelines (HCPs) are the third generation pipelines transporting hollow containers, known as capsules. These capsules are filled with material/cargo to be transported. The shape of these capsules has a significant effect on the hydr... Read More about Effect of capsule shape on hydrodynamic characteristics and optimal design of hydraulic capsule pipelines..

Natural convection induced by the absorption of solar radiation: a review. (2017)
Journal Article
AMBER, I. and O'DONOVAN, T.S. 2018. Natural convection induced by the absorption of solar radiation: a review. Renewable and sustainable energy reviews [online], 82(Part 3), pages 3526-3545. Available from: https://doi.org/10.1016/j.rser.2017.10.106

Natural convection primarily driven by the absorption of thermal energy known as penetrative or thermo-convection is a topic that generates attention due to its importance in various physical systems. A very common example of where this process can b... Read More about Natural convection induced by the absorption of solar radiation: a review..

Proof-of-concept prototype development of the self-propelled capsule system for pipeline inspection. (2017)
Journal Article
YAN, Y, LIU, Y., PÁEZ CHÁVES, J., ZONTA, F. and YUSUPOV, A. 2018. Proof-of-concept prototype development of the self-propelled capsule system for pipeline inspection. Meccanica [online], 53(8), pages 1997-2012. Available from: https://doi.org/10.1007/s11012-017-0801-3

This paper studies the prototype development for the self-propelled capsule system which is driven by autogenous vibrations and impacts under external resistance forces. This project aims for proof-of-concept of its locomotion in pipeline environment... Read More about Proof-of-concept prototype development of the self-propelled capsule system for pipeline inspection..

Multi-criteria evaluation of renewable and nuclear resources for electricity generation in Kazakhstan. (2017)
Journal Article
AHMAD, S., NADEEM, A., AKHANOVA, G., HOUGHTON, T. and MUHAMMAD-SUKKI, F. 2017. Multi-criteria evaluation of renewable and nuclear resources for electricity generation in Kazakhstan. Energy [online], 141, pages 1880-1891. Available from: https://doi.org/10.1016/j.energy.2017.11.102

Kazakhstan's electricity generation depends heavily on fossil fuels. Renewables and other non-fossil resources provide potential alternatives to diversify the electricity generation system. In this paper, various potential local non-fossil fuel resou... Read More about Multi-criteria evaluation of renewable and nuclear resources for electricity generation in Kazakhstan..

Interaction of urban heating and local winds during the calm intermonsoon seasons in the tropics. (2017)
Journal Article
OOI, M.C.G., CHAN, A., SUBRAMANIAM, K., MORRIS, K.I. and OOZEER, M.Y. 2017. Interaction of urban heating and local winds during the calm intermonsoon seasons in the tropics. Journal of geophysical research: atmospheres [online], 122(21), pages 11,499-11,523. Available from: https://doi.org/10.1002/2017JD026690

Rapid urbanization of cities has greatly modified the thermal and dynamic profile in the urban boundary layer. This paper attempts to study the interaction of urban heating and the local topographic-induced flow circulation for a tropical coastal cit... Read More about Interaction of urban heating and local winds during the calm intermonsoon seasons in the tropics..

Investigation of sand transport in an undulated pipe using computational fluid dynamics. (2017)
Journal Article
TEBOWEI, R., HOSSAIN, M., ISLAM, S.Z., DROUBI, M.G. and OLUYEMI, G. 2018. Investigation of sand transport in an undulated pipe using computational fluid dynamics. Journal of petroleum science and engineering [online], 162, pages 747-762. Available from: https://doi.org/10.1016/j.petrol.2017.11.003

A CFD model has been implemented to investigate the effects the pipe undulation on sand transport. Of particular interest of the present study is the sand deposition in small angled V-inclined bend relevant to oil and gas subsea flowlines where sand... Read More about Investigation of sand transport in an undulated pipe using computational fluid dynamics..

Numerical and experimental studies of stick-slip oscillations in drill-strings. (2017)
Journal Article
LIU, Y., PÁEZ CHÁVEZ, J., DE SA, R. and WALKER, S. 2017. Numerical and experimental studies of stick-slip oscillations in drill-strings. Nonlinear dynamics [online], 90(4), pages 2959-2978. Available from: https://doi.org/10.1007/s11071-017-3855-9

The cyclic nature of the stick-slip phenomenon may cause catastrophic failures in drill-strings or at the very least could lead to the wear of expensive equipment. Therefore, it is important to study the drilling parameters which can lead to stick-sl... Read More about Numerical and experimental studies of stick-slip oscillations in drill-strings..

External lightning protection system for wind turbine blades - aerodynamics. (2017)
Journal Article
AYUB, A.S., SIEW, W.H. and STICKLAND, M. 2017. External lighting protection system for wind turbine blades - aerodynamics. CIGRE science and engineering [online], 9, pages 55-62. Available from: https://e-cigre.org/publication/CSE009-cse-009

Many wind turbine blade manufacturers have installed lightning protection systems (particularly the down conductor) internally. Having the down conductor internally within the blades would indeed preserve their aerodynamic performance. However, the b... Read More about External lightning protection system for wind turbine blades - aerodynamics..

Flow noise identification using acoustic emission (AE) energy decomposition for sand monitoring in flow pipeline. (2017)
Journal Article
DROUBI, M.G., REUBEN, R.L. and STEEL, J.I. 2018. Flow noise identification using acoustic emission (AE) energy decomposition for sand monitoring in flow pipeline. Applied acoustics [online], 131, pages 5-15. Available from: https://doi.org/10.1016/j.apacoust.2017.10.016

In pipelines used for petroleum production and transportation, sand particles may be present in the multi-phase flow of oil and gas and water. The Acoustic Emission (AE) measurement technique is used in the field of sand monitoring and detection in t... Read More about Flow noise identification using acoustic emission (AE) energy decomposition for sand monitoring in flow pipeline..