David Gibus
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View article: Electromechanical Coupling Coefficient: New Approach to Study Auxetic Piezoelectric Harvesters
Electromechanical Coupling Coefficient: New Approach to Study Auxetic Piezoelectric Harvesters Open
This work introduces a novel methodology to assess the performance of\nPiezoelectric Energy Harvesters (PEHs) in order to study auxetic enhancement\npossibilities. For this purpose, a new approach for evaluating the intrinsic\neffective El…
View article: A Low-Power MCU-Based MPPT Architecture With a Fast Impedance Measurement for Broadband Piezoelectric Energy Harvesting
A Low-Power MCU-Based MPPT Architecture With a Fast Impedance Measurement for Broadband Piezoelectric Energy Harvesting Open
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View article: Predictive lumped model for a tunable bistable piezoelectric energy harvester architecture
Predictive lumped model for a tunable bistable piezoelectric energy harvester architecture Open
In this article, we propose the modelling of a tunable bistable piezoelectric energy harvester (or BPEH) architecture. The latter is a type of ambient energy converter that continues to gain attention due to their wideband frequency respon…
View article: Increasing the robustness of electrodynamic WPT systems with hybrid electromechanical transduction
Increasing the robustness of electrodynamic WPT systems with hybrid electromechanical transduction Open
In this paper, we compare the electrical damping capability of low-frequency electrodynamic wireless power transmission (EWPT) systems based on a resonant electromechanical receiver in the context of increasing their mechanical robustness.…
View article: Combining orbit jump and potential wells optimizations for nonlinear vibration energy harvesters
Combining orbit jump and potential wells optimizations for nonlinear vibration energy harvesters Open
Nonlinear vibration energy harvesters (VEHs) are widely used for scavenging vibrational energy due to their broadband behaviors. However, they exhibit multiple orbits of different powers for a given excitation, including low-power orbits t…
View article: A comparative analysis of parallel SSHI and SEH for bistable vibration energy harvesters
A comparative analysis of parallel SSHI and SEH for bistable vibration energy harvesters Open
The present work focuses on ambient vibration energy harvesting. Specifically, this article deals with bistable piezoelectric energy harvesters (PEHs) which exhibits a wider bandwidth than linear oscillators. These complex systems require …
View article: Optimized and Robust Orbit Jump for Nonlinear Vibration Energy Harvesting
Optimized and Robust Orbit Jump for Nonlinear Vibration Energy Harvesting Open
This paper introduces an optimized orbit jump strategy for nonlinear Vibration Energy Harvesters (VEHs). Nonlinear VEHs are a promising alternative to linear VEHs due to their broadband characteristics. However, they exhibit complex dynami…
View article: ENHANCED ELECTROMECHANICAL COUPLING OF PIEZOELECTRIC BEAMS THROUGH AN INNOVATIVE DESIGN
ENHANCED ELECTROMECHANICAL COUPLING OF PIEZOELECTRIC BEAMS THROUGH AN INNOVATIVE DESIGN Open
This paper reports the finite element model simulations of an innovative design of piezoelectric cantilevers in order to maximize their global electromechanical coupling coefficient k².A strong electromechanical coupling coefficient is nec…
View article: POWER LIMITS OF ELECTRODYNAMIC WIRELESS POWER TRANSFER USING PIEZOELECTRIC MATERIALS
POWER LIMITS OF ELECTRODYNAMIC WIRELESS POWER TRANSFER USING PIEZOELECTRIC MATERIALS Open
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View article: Performance Enhancement of Bistable Piezoelectric Energy Harvesters Using Non-Linear Energy Extraction Circuit
Performance Enhancement of Bistable Piezoelectric Energy Harvesters Using Non-Linear Energy Extraction Circuit Open
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View article: Optimal Impedance Calculation with a Two-Measurement MPPT Algorithm for Piezoelectric Vibration Harvesters
Optimal Impedance Calculation with a Two-Measurement MPPT Algorithm for Piezoelectric Vibration Harvesters Open
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View article: Predictive Modelling Approach for a Piezoelectric Bistable Energy Harvester Architecture
Predictive Modelling Approach for a Piezoelectric Bistable Energy Harvester Architecture Open
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View article: High performance piezoelectric vibration energy harvesting by electrical resonant frequency tuning
High performance piezoelectric vibration energy harvesting by electrical resonant frequency tuning Open
Extending the frequency bandwidth (BW) of vibration energy harvesters (VEH) that power wireless sensor nodes is of scientific and industrial interest. In this aim, electrical methods to tune the resonant frequency of piezoelectric harveste…
View article: Discrete optimal couple tracking: A control scheme for electrical-tuning of strong coupling piezoelectric energy harvesters
Discrete optimal couple tracking: A control scheme for electrical-tuning of strong coupling piezoelectric energy harvesters Open
In order to track the maximum power point of piezoelectric energy harvesters, an effective approach consists in designing interfaces able to electrically tune the harvester dynamics. Such interface should exhibit—at least—two tunable param…
View article: Simple analytical models and analysis of bistable vibration energy harvesters
Simple analytical models and analysis of bistable vibration energy harvesters Open
In order to scavenge the energy of ambient vibrations, bistable vibration energy harvesters constitute a promising solution due to their large frequency bandwidth. Because of their complex dynamics, simple models that easily explain and pr…
View article: Resistive Load Influence on the Power and Bandwidth of Bistable Energy Harvesters
Resistive Load Influence on the Power and Bandwidth of Bistable Energy Harvesters Open
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View article: Design approach for post-buckled beams in bistable piezoelectric energy harvesters
Design approach for post-buckled beams in bistable piezoelectric energy harvesters Open
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View article: Exploring the power-limit of multi-modes multi-electrodes vibration energy harvesters
Exploring the power-limit of multi-modes multi-electrodes vibration energy harvesters Open
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View article: Design of a vibration energy harvester with two close resonant frequencies
Design of a vibration energy harvester with two close resonant frequencies Open
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View article: A comparative study of electrical interfaces for tunable piezoelectric vibration energy harvesting
A comparative study of electrical interfaces for tunable piezoelectric vibration energy harvesting Open
The present work deals with tunable electrical interfaces able to enhance both the harvested power and bandwidth of piezoelectric vibration energy harvesters. The aim of this paper is to propose a general, normalized, and unified performan…
View article: A strong electromechanically coupled and low-damped harvester for resonant frequency tuning
A strong electromechanically coupled and low-damped harvester for resonant frequency tuning Open
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View article: Opportunities for electrically-based frequency tuning of piezoelectric vibration energy harvesters
Opportunities for electrically-based frequency tuning of piezoelectric vibration energy harvesters Open
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View article: Highly coupled hybrid transduction for low-frequency electrodynamic wireless power transfer
Highly coupled hybrid transduction for low-frequency electrodynamic wireless power transfer Open
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View article: Electrical efficiency of SECE-based interfaces for piezoelectric vibration energy harvesting
Electrical efficiency of SECE-based interfaces for piezoelectric vibration energy harvesting Open
Piezoelectric energy harvesting interfaces have been widely investigated during the last decades in order to maximize the harvested power. Among the energy extraction circuits proposed in the literature, some of the most effective ones con…
View article: Nonlinear modelling of strongly coupled piezoelectric harvesters
Nonlinear modelling of strongly coupled piezoelectric harvesters Open
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