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Browsing by Subject "Sensors"

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Analysis of IoT-enabled solutions in smart waste management

Author: Mdukaza, S ; Isong, B ; Dladlu, N ; Abu-Mahfouz, Adnan MI Date: Oct 2018 Internet of Things (IoT) has attracted widespread applicability not only limited to smart cities and communities but also in water, waste management and so on. It strength lies in the high impacts it created in the daily life and the potential ... Read more
Basic extended Kalman filter: simultaneous localisation and mapping

Author: Matsebe, O ; Namoshe, M ; Tlale, N Date: 2010 The goal of the chapter is to provide an opportunity for researchers who are new to, or interested in, this exciting area of research with the basics, background information, major issues, and the state-of-the-art as well as future challenges ... Read more
Characterisation of adaptive fluidic silicone membrane lenses

Author: Schneider, F ; Draheim, J ; Brunne, J ; Waibel, P ; Wallrabe, U Date: Sep 2009 In this paper the auhtors compare the performance and optical quality of two types of adaptive fluidic silicone-membrane lenses. The membranes feature either a homogeneous thickness, or they are shaped resulting in an inhomogeneous cross-section. ... Read more
The conceptual design and development of Novel low cost sensors for measuring the relative light emission in the pre-millisecond stages detonating explosive charges

Author: Olivier, Marius Date: Dec 2012 During the course of the CSIR’s research into the characterisation of explosive sources to devise methods of active intervention against threats, the need has arisen to research a particular means of early identification of the threat, which ... Read more
Electrospun alginate nanofibers toward various applications: A review

Author: Mokhena, Teboho C ; Mochane, MJ ; Mtibe, Asanda ; Mathew, Maya J ; Sadiku, ER ; Sefadi, JS Date: Feb 2020 Alginate has been a material of choice for a spectrum of applications, ranging from metal adsorption to wound dressing. Electrospinning has added a new dimension to polymeric materials, including alginate, which can be processed to their ... Read more
Evaluation of pavement response instrumentation

Author: Vogel, F ; Steyn, WJvdM Date: Mar 2000 The report focuses on aspects such as possible wireless data transmission, standardization and mesurement methodologies and sensor technology. Various avenues are explored for the development of sensors while new emerging technologies that ... Read more
Fog computing architecture for 5G-Compliant IoT applications in underserved communities

Author: Khumalo, Nosipho N ; Oyerinde, O ; Mfupe, Luzango P Date: Aug 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G is also envisioned to revolutionise the ... Read more
Fog computing architecture for 5G-Compliant IoT applications in underserved communities

Author: Khumalo, Nosipho N ; Oyerinde, O ; Mfupe, Luzango P Date: Aug 2019 The fifth generation (5G) of wireless network ecosystem which is expected to be deployed in 2020 promises to provide higher speeds, higher capacity and lower latency than the current mobile networks. 5G is also envisioned to revolutionise the ... Read more
The hierarchical nanostructured Co-doped WO3/carbon and their improved acetone sensing performance

Author: Saasa, Valentine R ; Malwela, Thomas ; Lemmer, Yolandy ; Beukes, M ; Mwakikunga, Bonex W Date: Oct 2020 Hierarchical nanostructured Co-doped WO3 with carbon as template has been successfully synthesised through facile sol-gel method. The synthesised Co-doped WO3 was characterized by X-ray diffraction, Scanning electron microscopy, Transmission ... Read more
Lost packet warehousing service

Author: Burke, Ivan D ; Motlhabi, Michael B ; Netshiya, Rofhiwa ; Pieterse, Heloise Date: Feb 2021 Recently, well-known and established South African organisations have experienced cyberattacks. South African Bank Risk Information Centre (SABRIC) confirmed in October 2019 that the industry had been hit by a wave of Distributed Denial of ... Read more
Micro nano manufacturing methods for chemical, gas and bio sensors, water purification and energy technologies

Author: Akande, Amos A ; Adeleye, AA ; Adenle, AA ; Mwakikunga, Bonex W Date: Dec 2020 This chapter reports on the various methods of fabricating and manufacturing micro and nano sensor, membrane and energy devices. Firstly, the characteristic often sought after by scientists and engineers for effective and efficient performance ... Read more
Novel passive normally closed microfluidic valve

Author: Land, K ; Schneider, F ; Potgieter, S ; Korvink, JG Date: Sep 2009 Microfluidic systems require numerous control valves in order to function properly. These valves form the basic unit of fluid handling within the microfluidic system. Many different valves have been designed and manufactured, both active and ... Read more
One-Dimensional Vanadium Dioxide nanostructures for room temperature hydrogen sensors

Author: Simo, A ; Mwakikunga, Bonex W ; Maaza, M Date: Jun 2015 In relation to hydrogen (H2) economy in general and gas sensing in particular, an extensive set of one dimensional (1-D) nano-scaled oxide materials are being investigated as ideal candidates for potential gas sensing applications. This is ... Read more
Optical engineering in South Africa from 1960 to 2010 and beyond

Author: Willers, Cornelius J Date: Sep 2009 From its humble beginnings in an optical workshop in the Mowbray office for Triangulation in the 1930s and the subsequent formation of the Division for Optics and Spectroscopy at the National Physical Research Laboratory within the CSIR during ... Read more
Recent development on carbon based heterostructures for their applications in energy and environment: A review

Author: Jayaraman, T ; Murthy, AP ; Elakkiya, V ; Chandrasekaran, S ; Palaniyandy, Nithyadharseni ; Khan, Z ; Senthil, RA ; Shanker, R ; Raghavender, M ; Kuppusami, P ; Jagannathan, M ; Ashokkumar, M Date: Aug 2018 Nanostructured carbon based materials with unique and tunable properties make them to be utilized for various applications in different forms especially for energy and environmental applications. Carbon is a distinctive chemical element which ... Read more
Research trends in existing technologies that are building blocks to the internet of things

Author: Dlodlo, N ; Mofolo, M ; Masoane, L ; Mncwabe, S ; Sibiya, g ; Mboweni, L Date: Jul 2013 The internet of things (IoT) is based on interfacing the digital and physical worlds and making the information generated as a result available via the internet. The challenge that IoT faces as a new research area, is in the identification ... Read more
Self assembly and properties of C:WO3 nano-platelets and C:VO2/V2O5 triangular capsules produced by laser solution photolysis

Author: Mwakikunga, Bonex W ; Forbes, A ; Sideras-Haddad, E ; Scriba, Manfred R ; Manikandan, E Date: 2009 Laser photolysis of WCl6 in ethanol and a specific mixture of V2O5 and VCl3 in ethanol lead to carbon modified vanadium and tungsten oxides with interesting properties. The presence of graphene’s aromatic rings (from the vibrational frequency ... Read more
Self assembly and properties of C:WO3 nano-platelets and C:VO2/V2O5 triangular capsules produced by laser solution photolysis

Author: Mwakikunga, Bonex W ; Forbes, A ; Sideras-Haddad, E ; Scriba, Manfred R ; Manikandan, E Date: 2010 Laser photolysis of WCl6 in ethanol and a specific mixture of V2O5 and VCl3 in ethanol lead to carbon modified vanadium and tungsten oxides with interesting properties. The presence of graphene’s aromatic rings (from the vibrational frequency ... Read more
The state of international Internet of Things research

Author: Dlodlo, N ; Mvelase, PS ; Foko, Thato E ; Mathaba, SU Date: Apr 2012 There is a massive increase in the amount of data that is generated globally. This data is traditionally generated by a number of different autonomous devices. The Internet of Things (IoT) is about interfacing these autonomous devices to ... Read more
Structural, optical and light sensing properties of carbon-ZnO films prepared by pulsed laser deposition

Author: Saasa, Valentine R ; Mukwevho, E ; Mwakikunga, Bonex W Date: Sep 2016 There has been tremendous interest in ZnO as well as carbon materials; these are already in various technological devices. Work on the combination of ZnO and carbon materials is gaining interest [8-10] since these composites benefit from the ... Read more

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