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Topic Review
Application of Radio Frequency Identification in IoT Field
RFID (radio frequency identification) technology appeared nearly 70 years ago. Deployed more widely only from the early 2000s, it is now booming and its development is still accelerating. As its name indicates, its original function was the identification (of objects, animals, people) and its applications were then essentially aimed at traceability, access control and logistics. If this type of use is still relevant today with more and more new application contexts and more and more efficient RFID tags, RFID has also evolved by integrating new capabilities. These new tags, known as augmented tags, include an information capture function. With the explosion of connected objects and the emergence of the Internet of Things (IoT), this old technology that is RFID still has a promising future and will probably be more and more present in our private and professional environments in all fields: logistics, industry, agriculture, building, health and even space.
  • 488
  • 14 Nov 2022
Topic Review
Application of RAP in Asphalt Concrete Pavements
The use of recycled asphalt pavement (RAP) materials in asphalt concrete pavements (ACP) brings significant cost and environmental benefits. In practice, however, the amount of RAP readily available far exceeds the amount being utilized in ACPs, which still leaves the problem of excess RAP in the environment partially solved. Additionally, ACPs containing RAP materials (i.e., RAP-ACPs) can still be landfilled after they have reached the end of their useful life, which may restore the original environmental waste problem. To address these, researchers have demonstrated different ways to maximize the application of RAP in ACPs. Among them, the use of RAP in pavement preventive maintenance (PPM) treatments and the repeated recycling of RAP-ACPs (i.e., RnAP) are specifically discussed herein. It is envisaged that, by promoting these two practices, the application and benefits of RAP can be further maximized to improve sustainability. 
  • 1.4K
  • 25 Nov 2022
Topic Review
Application of SiNW-FET Biosensor with High Sensitivity
As a new type of one-dimensional semiconductor nanometer material, silicon nanowires (SiNWs) possess good application prospects in the field of biomedical sensing. SiNWs have excellent electronic properties for improving the detection sensitivity of biosensors. The combination of SiNWs and field effect transistors (FETs) formed one special biosensor with high sensitivity and target selectivity in real-time and label-free. Recently, SiNW-FETs have received more attention in fields of biomedical detection.
  • 280
  • 10 Aug 2023
Topic Review
Application of SLAM in Autonomous Driving
The applications of Simultaneous Localization and Mapping (SLAM) for autonomous driving with respect to different driving scenarios, vehicle system components and the characteristics of the SLAM approaches are discussed. A real-world road test is presented to demonstrate a multi-sensor-based modernized SLAM procedure for autonomous driving. The numerical results show that a high-precision 3D point cloud map can be generated by the SLAM procedure with the integration of Lidar and GNSS/INS.
  • 949
  • 29 Mar 2023
Topic Review
Application of TestBed 4.0 Technology
TestBed 4.0 is a technology that can be used to demonstrate the benefits of this new era in the development of the industry today and in the future. TestBed is an experimental workplace with state-of-the-art technologies and machinery, which are assembled into a test production line or entire production units. Through them, it is possible to verify new technologies, products, systems and concepts of digitization and digital transformation. They are also used for research, development and innovation projects, and often for educational and demonstration purposes.
  • 462
  • 01 Sep 2021
Topic Review
Application of Thermoelectric Generator (TEG) in IoT Sensors
The Internet-of-Things (IoT) combines various sensors and the internet to form an expanded network, realizing the interconnection between human beings and machines anytime and anywhere. Nevertheless, the problem of energy supply limits the large-scale implementation of IoT. Fortunately, thermoelectric generators (TEGs), which can directly convert thermal gradient into electricity, have attracted extensive attention in the field of IoT due to their unique benefits, such as small size, long maintenance cycle, high stability, and no noise. Therefore, it is vital to integrate the significantly advanced research on TEGs into IoT. The authors first outlined the basic principle of the thermoelectricity effect and summarized the common preparation methods for thermoelectric functional parts in TEGs. Then, the application of TEG-powered sensors in the human body was wearable and implantable medical electronic devices. It is followed by a discussion on the application of scene sensors for IoTs, for example, building energy management and airliners. Finally, researchers provided a further outlook on the current challenges and opportunities.
  • 787
  • 01 Feb 2023
Topic Review
Application of Two-Dimensional Materials towards CMOS-Integrated Gas Sensors
The semiconductor metal oxide (SMO)-based gas sensor, considered the current workhorse of semiconductor-based chemiresistive gas sensor technologies, requires high temperatures to initiate the surface reactions which result in the sensing response, making it difficult to fabricate and prone to high mechanical instability. Therefore, alternatives at lower temperatures are desired, where 2D materials seem to hold the most promise. Even at ambient temperature, their sensitivity is extraordinarily large due to their extremely high surface-to-volume ratio. However, some ongoing issues still need to be resolved before gas sensors based on 2D materials can be widely used and commercialized. The alternative room temperature solutions involve optical signals, either by designing an nondispersive infrared (NDIR) sensor based on the Beer-Lambert law or by introducing an additional UV illumination to SMO sensors. In both cases, complementary metal oxide semiconductor (CMOS) integration is not feasible, which is why continued interest in 2D-material-based gas sensors persists.
  • 1.0K
  • 02 Dec 2022
Topic Review
Application of Two-fluid Mode
In two-fluid model (TFM), the granular flows are modeled as continuous fluid flows. The random motions of particles resulting from the interactive collisions of particles has a dominant effect on the flow behavior. The granular interactions are commonly modeled based on the kinetic theory of granular flow (KTGF). 
  • 637
  • 14 Feb 2022
Topic Review
Application of UAV Photogrammetry in Mining Areas
The geological environmental damage caused by coal mining has become a hot issue in current research. Especially in the western mining area, the size of the mining working face is large, the mining intensity is high, while the surface movement and deformation are more intense and wider. Therefore, it is necessary to effectively monitor the surface using appropriate means and carrying out research on the overlying strata structure of the stope.
  • 282
  • 03 Jul 2023
Topic Review
Application of VCSEL in Bio-Sensing Atomic Magnetometers
There is a rapid development of chip-scale atomic devices due to their great potential in the field of biomedical imaging, namely chip-scale atomic magnetometers that enable high resolution magnetocardiography (MCG) and magnetoencephalography (MEG). For atomic devices of this kind, vertical cavity surface emitting lasers (VCSELs) have become the most crucial components as integrated pumping sources, which are attracting growing interest.
  • 390
  • 16 Dec 2022
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