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This book is a printed edition of the Special Issue “Energy Harvesters and Self-Powered Sensors for Smart Electronics” that was published in Micromachines, which showcases the rapid development of various energy harvesting technologies and novel devices. In the current 5G and Internet of Things (IoT) era, energy demand for numerous and widely distributed IoT nodes has greatly driven the innovation of various energy harvesting technologies, providing key functionalities as energy harvesters (i.e., sustainable power supplies) and/or self-powered sensors for diverse IoT systems. Accordingly, this book includes one editorial and nine research articles to explore different aspects of energy harvesting technologies such as electromagnetic energy harvesters, piezoelectric energy harvesters, and hybrid energy harvesters. The mechanism design, structural optimization, performance improvement, and a wide range of energy harvesting and self-powered monitoring applications have been involved. This book can serve as a guidance for researchers and students who would like to know more about the device design, optimization, and applications of different energy harvesting technologies.

Information technology industries --- energy harvesting --- vibration --- broadband --- resonant frequency --- piezoelectric vibration energy harvester --- low frequency --- wideband --- modeling --- energy harvester --- temperature threshold --- piezoelectricity --- vibrational cantilever --- bimetallic effect --- piezoelectric --- optimization --- pattern search --- FEM --- PZT --- electromagnetic --- hybrid energy harvester --- power density improvement --- piezoelectric energy harvester --- tandem --- vortex-induced vibration --- flowing water --- vibration energy harvesting --- electromagnetic generator (EMG) --- nonlinear --- magnetic coupling --- high performance --- diamagnetically stabilized levitation --- Taguchi method --- stable levitation --- maximum gap --- electromagnetic energy harvester --- human body kinetic energy --- energy harvesting --- vibration --- broadband --- resonant frequency --- piezoelectric vibration energy harvester --- low frequency --- wideband --- modeling --- energy harvester --- temperature threshold --- piezoelectricity --- vibrational cantilever --- bimetallic effect --- piezoelectric --- optimization --- pattern search --- FEM --- PZT --- electromagnetic --- hybrid energy harvester --- power density improvement --- piezoelectric energy harvester --- tandem --- vortex-induced vibration --- flowing water --- vibration energy harvesting --- electromagnetic generator (EMG) --- nonlinear --- magnetic coupling --- high performance --- diamagnetically stabilized levitation --- Taguchi method --- stable levitation --- maximum gap --- electromagnetic energy harvester --- human body kinetic energy

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• Reference Manager
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This book is a printed edition of the Special Issue “Energy Harvesters and Self-Powered Sensors for Smart Electronics” that was published in Micromachines, which showcases the rapid development of various energy harvesting technologies and novel devices. In the current 5G and Internet of Things (IoT) era, energy demand for numerous and widely distributed IoT nodes has greatly driven the innovation of various energy harvesting technologies, providing key functionalities as energy harvesters (i.e., sustainable power supplies) and/or self-powered sensors for diverse IoT systems. Accordingly, this book includes one editorial and nine research articles to explore different aspects of energy harvesting technologies such as electromagnetic energy harvesters, piezoelectric energy harvesters, and hybrid energy harvesters. The mechanism design, structural optimization, performance improvement, and a wide range of energy harvesting and self-powered monitoring applications have been involved. This book can serve as a guidance for researchers and students who would like to know more about the device design, optimization, and applications of different energy harvesting technologies.

energy harvesting --- vibration --- broadband --- resonant frequency --- piezoelectric vibration energy harvester --- low frequency --- wideband --- modeling --- energy harvester --- temperature threshold --- piezoelectricity --- vibrational cantilever --- bimetallic effect --- piezoelectric --- optimization --- pattern search --- FEM --- PZT --- electromagnetic --- hybrid energy harvester --- power density improvement --- piezoelectric energy harvester --- tandem --- vortex-induced vibration --- flowing water --- vibration energy harvesting --- electromagnetic generator (EMG) --- nonlinear --- magnetic coupling --- high performance --- diamagnetically stabilized levitation --- Taguchi method --- stable levitation --- maximum gap --- electromagnetic energy harvester --- human body kinetic energy --- n/a

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The development of modern numerical methods has led to significant advances in the field of fatigue and fracture, which are pivotal issues in structural integrity. Because of the permanent tendency to shorten time-to-market periods and the development cost, the use of the finite element method, extended finite element method, peridynamics, or meshless methods, among others, has represented a viable alternative to experimental methods. This Special Issue aims to focus on the new trends in computational methods to address fatigue and fracture problems. Research on innovative and successful industrial applications as well as on nonconventional numerical approaches is also addressed.

Technology: general issues --- History of engineering & technology --- finite element method --- Taguchi method --- tooth surface contact stress --- tooth profile deviations --- meshing errors --- lead crowning modifications --- critical load --- fracture --- tubular cantilever beam --- U-notch --- theory of critical distances --- LEFM --- mesh density --- mixed mode stress intensity factors --- fatigue crack growth --- FEM --- fatigue failure --- design flaws --- mechanical system --- parametric ALT --- hinge kit system --- XFEM --- ANSYS mechanical --- smart crack growth --- stress intensity factors --- fatigue life prediction --- gears --- Single Tooth Bending Fatigue --- STBF --- Finite Element Model --- material characterization --- multiaxial fatigue --- critical plane --- metal casting --- mold design --- simulation --- optimization --- fatigue life --- reliability --- n/a

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This book covers three major topics, specifically Biomimetic Robot Design, Mechanical System Design from Bio-Inspiration, and Bio-Inspired Analysis on A Mechanical System. The Biomimetic Robot Design part introduces research on flexible jumping robots, snake robots, and small flying robots, while the Mechanical System Design from Bio-Inspiration part introduces Bioinspired Divide-and-Conquer Design Methodology, Modular Cable-Driven Human-Like Robotic Arm andWall-Climbing Robot. Finally, in the Bio-Inspired Analysis on A Mechanical System part, research contents on the control strategy of Surgical Assistant Robot, modeling of Underwater Thruster, and optimization of Humanoid Robot are introduced.

Technology: general issues --- humanoid robot --- energy efficiency --- Taguchi method --- snake robot --- driving assistant mechanism --- slope --- dynamic analysis --- cable-driven robots --- human-like robotic arms --- human–robot interactions --- stiffness adjustment --- cable tension analysis --- bio-inspired robot --- micro aerial vehicle --- flapping mechanism --- azimuth thruster --- thruster modeling --- signal compression method --- frequency response analysis --- empirical modeling --- wall-climbing robot --- gear transmission --- bionic spine --- electron microscope images --- 3D printing technology --- surgical assistant robot --- remote center motion --- direct teaching --- impedance control --- soft robot --- soft jumping robot --- soft morphing --- residual stress --- magnetic yield point --- curved lever --- lever design methodology --- variable pivot of lever --- n/a --- human-robot interactions

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Plasma electrolytic oxidation (PEO), also known as micro-arc oxidation (MAO), functionalizes surfaces, improving the mechanical, thermal, and corrosion performance of metallic substrates, along with other tailored properties (e.g., biocompatibility, catalysis, antibacterial response, self-lubrication, etc.). The extensive field of applications of this technique ranges from structural components, in particular, in the transport sector, to more advanced fields, such as bioengineering. The present Special Issue covers the latest advances in PEO‐coated light alloys for structural (Al, Mg) and biomedical applications (Ti, Mg), with 10 research papers and 1 review from leading research groups around the world.

magnesium --- plasma electrolytic oxidation --- SiO2 particle --- corrosion resistance --- wear resistance --- micro arc oxidation (MAO) --- Cu nano-layer --- hydrophilic surface --- apatite --- in vitro bioactivity --- antibacterial properties --- PEO --- LDH --- active protection --- corrosion --- aluminium --- biodegradable implants --- magnesium alloy --- micro-arc oxidation --- Taguchi method --- SBF --- in-vivo test --- biodegradability --- plasma electrolytic oxidation (PEO) --- aluminum 6082 --- luminescent coatings --- phosphorescence --- anodized aluminum --- Mott-Schottky analysis --- defect --- annealing --- titanium dioxide --- anatase and rutile --- surface treatment --- wear --- medical engineering --- aluminum --- titanium --- Al7075 alloy --- aluminum oxide --- molten salt --- microhardness --- radio frequency magnetron sputtering (RFMS) --- calcium-phosphate (CaP) coating --- n/a