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Topic Review
Advanced Power Converters in Robotics
The effectiveness and performance of the robot’s manipulative actions in any field of operation primarily depend on the dynamic response of its internal drive system. Power converters play a pivotal role in robotics by facilitating efficient energy conversion and management. 
  • 557
  • 31 Oct 2023
Topic Review
Low-Emission Waste-to-Energy Method of Liquid Fuel Combustion
Waste-to-energy approaches, aimed at using cheap energy carriers (oil production and refining waste, etc.), require the creation of new technologies with high energy efficiency and low emissions. One of the environmentally friendly methods is a superheated steam injection (SIM) into the combustion zone. At the same time, trends in CO2 reduction and recycling make carbon dioxide more attractive to use together with, or instead of, steam.
  • 347
  • 30 Oct 2023
Topic Review
Gallium Nitride Power Devices
Gallium nitride (GaN) possesses remarkable characteristics such as a wide bandgap, high critical electric field, robust antiradiation properties, and a high saturation velocity for high-power devices. These attributes position GaN as a pivotal material for the development of power devices.
  • 406
  • 30 Oct 2023
Topic Review
Rare-Earth Magnets
Permanent magnets today are used in a wide range of transportation, industrial, residential/commercial, consumer electronics, defense, domestic, data storage, wind energy, and medical markets and applications.
  • 307
  • 30 Oct 2023
Topic Review
Sustainable Energy Strategies for Power Purchase Agreements
Renewable energy strategies for sustainable development perform as best practices and strategic insights necessary to support large scale organizations’ approach to sustainability. Power Purchase Agreements (PPAs) enhance the value of such initiatives. A renewable PPA contract delivers green energy efficiently to organizations that seek sustainability benefits. Consequently, various approaches that define PPAs are utilized to motivate both interested parties to participate in such deals.
  • 321
  • 30 Oct 2023
Topic Review
IoT-Based Visualisation Platforms for Tracking Household Carbon Footprints
Carbon dioxide (CO2) and other greenhouse gases are the main causes of global climate change. This phenomenon impacts natural and human systems around the world through the rising global average surface temperature, extreme weather, changes in precipitation patterns, rising sea levels, and ocean acidification. However, this concept is alien to most people in developing countries. They are also unaware of the connection between energy efficiency and climate change. This dearth of knowledge makes them opt for highly inefficient appliances. Internet of Things (IoT)-based visualisation platforms for tracking household carbon footprints (CFs) have been seen as a good concept for combating this global phenomenon; however, there are potential challenges and ethical restrictions that must be addressed when implementing platforms for tracking household CFs. 
  • 575
  • 30 Oct 2023
Topic Review
IoT LoRa Networks
The content below is a brief overview of the Characteristics of the Specifications of IoT LoRa Communications and how Conventional LoRa network evolved from a single hop to multi-hop communication. The provided literature defines the multi-hop networks and the concerns that motivated researchers think of the solutions to overcome the drawbacks of single hop communication.
  • 206
  • 30 Oct 2023
Topic Review
Model-Free HVAC Control in Buildings
The efficient control of Heating, Ventilation, and Air-Conditioning (HVAC) devices in building structures is mandatory for achieving energy savings and comfort. To balance these objectives efficiently, it is essential to incorporate adequate advanced control strategies to adapt to varying environmental conditions and occupant preferences. Model-free control approaches for building HVAC systems have gained significant interest due to their flexibility and ability to adapt to complex, dynamic systems without relying on explicit mathematical models. A comprehensive review of the most impactful research applications of the last years concerning RL, ANNs, FLC, and Hybrid Model-free control applications for HVACs in building structures is given herein. Through a holistic evaluation of multiple research efforts, the primary aim is to identify different trends in Model-free control towards HVACs and moreover, to provide Future directions in the field.
  • 221
  • 27 Oct 2023
Topic Review
Rooftop Photovoltaic Systems
With rapid technology advancements in renewable energy systems, rooftop photovoltaic (PV) products and systems can be considered a crucial element in the transition toward energy sustainability in residential buildings. Still, residents’ initiatives are required to expand the adoption of clean energy-efficient technology to replace conventional energy systems and thereby achieve a sustainable environment.
  • 230
  • 27 Oct 2023
Topic Review
Studies of Cultural Ecosystem Services in National Parks
Cultural ecosystem services (CES) provided by national parks (NP) have been increasingly recognized and appreciated by the public and researchers. However, they are often under-represented in ecosystem services evaluations due to their intangible nature. As a result, their application in supporting NP conservation and management remains limited. 
  • 284
  • 27 Oct 2023
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