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Topic Review
IEEE P2668 Evaluation for Smart Battery Management Systems
In smart cities and smart industry, a Battery Management System (BMS) focuses on the intelligent supervision of the status (e.g., state of charge, temperature) of batteries (e.g., lithium battery, lead battery). Internet of Things (IoT) integration enhances the system’s intelligence and convenience, making it a Smart BMS (SBMS). However, this also raises concerns regarding evaluating the SBMS in the wireless context in which these systems are installed. Considering the battery application, in particular, the SBMS will depend on several wireless communication characteristics, such as mobility, latency, fading, etc., necessitating a tailored evaluation strategy.  An IEEE P2668-Compatible SBMS Evaluation Strategy (SBMS-ES) was proposed to overcome this issue. The SBMS-ES is based on the IEEE P2668 worldwide standard, which aims to assess IoT solutions’ maturity.
  • 784
  • 15 Sep 2022
Topic Review
Mueller Matrix Polarimetry in Biological and Agricultural Diagnostics
The Mueller matrix (4 × 4) most fully describes the interaction of an arbitrary object with fully or partially polarized electromagnetic radiation; therefore, the existing polarimetric methods can be generalized by the Mueller matrix formalism, and that generalization is termed Mueller matrix polarimetry (MMP). Mueller matrix measurements, being integrated into standard schemes of conventional optical methods, such as scatterometry, optical coherence tomography, fluorimetry, spectrophotometry and reflectometry, can significantly expand their capabilities in the characterization of biological systems and bioorganic materials.
  • 784
  • 20 Jun 2022
Topic Review
Performance of Unmanned Vehicles for Offshore Wind Turbines
Operations and maintenance of Offshore Wind Turbines (OWTs) are challenging, with manual operators constantly exposed to hazardous environments. Due to the high task complexity associated with the OWT, the transition to unmanned solutions remains stagnant. Efforts toward unmanned operations have been observed using Unmanned Aerial Vehicles (UAVs) and Unmanned Underwater Vehicles (UUVs) but are limited mostly to visual inspections only. Collaboration strategies between unmanned vehicles have introduced several opportunities that would enable unmanned operations for the OWT maintenance and repair activities. 
  • 784
  • 01 Jul 2022
Topic Review
Routing Protocols for Mobile IoT
IoT (Internet of Things) is the connection of devices to the Internet where devices are able to communicate with each other and their users, such as cameras, medical sensors, light-bulbs, and smoke alarms. IoT allows devices to assist daily routines, such as cars can be synced with calendars for appointment or meeting tracking to plan the best routes. According to the research done by IDC, there are already 13 billion connected devices in use worldwide in 2017 and the number could reach over 40 billion by 2025.
  • 784
  • 15 Oct 2021
Topic Review
Nondestructive Testing Methods
Material failure may occur in a variety of situations dependent on stress conditions, temperature, and internal or external load conditions. Many of the latest engineered materials combine several material types i.e., metals, carbon, glass, resins, adhesives, heterogeneous and nanomaterials (organic/inorganic) to produce multilayered, multifaceted structures that may fail in ductile, brittle, or both cases.
  • 783
  • 08 Oct 2021
Topic Review
Progress of Photonic-Crystal Surface-Emitting Lasers
The concept of photonic crystals was proposed in 1987. Afterward, this kind of artificial structure with photonic bandgaps attracted much attention for their special dispersion. Such artificial structures fabricated at the micro- or nanoscale, namely photonic crystals, can use the periodical changes of material refractive index to affect the propagation of a light beam, imitating natural crystals that give rise to the X-ray diffraction with their atomic lattices. Thus, with this kind of artificial structure, photonic crystals can pave prospective ways for specific light modulation with ultracompact form factors. A revolutionary semiconductor laser technology, namely the photonic-crystal surface-emitting laser (PCSEL), emerges. PCSEL exhibits not only a symmetric beam profile with narrow beam divergence but also a high-power operation with controllability. Therefore, it may be the holy grail for an ultracompact time-of-flight (ToF) LiDAR system.
  • 783
  • 15 Jun 2022
Topic Review
Fundamentals of Precision Agriculture
Precision agriculture or precision farming is the targeted application of crop input according to the locally determined crop needs. Therefore, it is the geo-referenced application of crop inputs, whose rates should be those required by the crop. The most essential points of information about the topic being described are: overview; brief history of precision agriculture; theoretical basics of precision agriculture; precision agriculture cycle; geo-referenced measurement of within-field parameters; analysis and interpretation of geo-referenced data for mapping within-field parameters; spatially variable rate application of crop inputs; instruments for precision agriculture; current scenario of precision agriculture; current scenario of precision viticulture; Global Navigation Satellite Systems (GNSS) and differential correction technique; proximal sensors of within-field soil and crop parameters; remote sensing from Unmanned Aerial Vehicles (UAVs) and satellites; devices for setting up and controlling spatially variable rate crop input application; assisted guidance systems of agricultural machines; perspectives of precision agriculture.
  • 783
  • 04 Feb 2023
Topic Review
Photoacoustic-Based Communication and Localization
The photoacoustic mechanism is commonly used in medical imaging. Yet, it has great potential as a means of air to underwater communication. The use of photoacoustic as a cross-medium communication has high potential to morph the classical way of approaching a solution in underwater applications.
  • 783
  • 20 Jun 2022
Topic Review
Suspension (Vehicle)
Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. Suspension systems must support both roadholding/handling and ride quality, which are at odds with each other. The tuning of suspensions involves finding the right compromise. It is important for the suspension to keep the road wheel in contact with the road surface as much as possible, because all the road or ground forces acting on the vehicle do so through the contact patches of the tires. The suspension also protects the vehicle itself and any cargo or luggage from damage and wear. The design of front and rear suspension of a car may be different.
  • 783
  • 04 Nov 2022
Topic Review
Liquefied Natural Gas in Railways
Liquefied natural gas (LNG) can used as an alternative to diesel fuel in railway traction. At present, there is a common effort to reduce the environmental effect of energy consumption. With this objective, the transportation sector seeks to improve emissions in all its modes. In particular, the rail transport industry is analysing various alternatives for non-electrified lines. These services are mainly carried out with diesel units.
  • 783
  • 26 Jul 2021
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