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IoT devices are increasingly being implemented with neural network models to enable smart applications. Energy harvesting (EH) technology that harvests energy from ambient environment is a promising alternative to batteries for powering…

Machine Learning · Computer Science 2022-09-28 Sahidul Islam , Shanglin Zhou , Ran Ran , Yufang Jin , Wujie Wen , Caiwen Ding , Mimi Xie

We report generation of electrical energy from nonlinear mechanical noises available in the ambient environment using optimized piezo transduction mechanisms. Obtaining energy from an ambient vibration has been attractive for remotely…

Instrumentation and Detectors · Physics 2014-09-25 Bijo Boban , S. K. Suresh Babu , U. Satheesh , D. Devaprakasam

We present a kinetic-energy density-functional theory and the corresponding kinetic-energy Kohn-Sham (keKS) scheme on a lattice and show that by including more observables explicitly in a density-functional approach already simple…

Chemical Physics · Physics 2018-07-23 Iris Theophilou , Florian Buchholz , F. G. Eich , Michael Ruggenthaler , Angel Rubio

The goal of this research is to increase the bandwidth (BW) over which substantial energy can be harvested using a piezoelectric energy harvester (PEH). The key innovation is the use of bias-flip (BF) electronics at the output of a PEH…

Signal Processing · Electrical Eng. & Systems 2019-12-06 Sheng Zhao , Ujwal Radhakrishna , Steve Hanly , Jianguo Ma , Jeffrey H Lang , Dennis Buss

This paper investigates the information-theoretic limits of energy-harvesting (EH) channels in the finite blocklength regime. The EH process is characterized by a sequence of i.i.d. random variables with finite variances. We use the…

Information Theory · Computer Science 2016-10-19 Silas L. Fong , Vincent Y. F. Tan , Jing Yang

The difficulty of modeling energy consumption in communication systems leads to challenges in energy harvesting (EH) systems, in which nodes scavenge energy from their environment. An EH receiver must harvest enough energy for demodulating…

Information Theory · Computer Science 2017-04-18 Zhengwei Ni , Mehul Motani

In this paper, we show how to achieve close-to-optimal utility performance in energy harvesting networks with only finite capacity energy storage devices. In these networks, nodes are capable of harvesting energy from the environment. The…

Optimization and Control · Mathematics 2010-12-10 Longbo Huang , Michael J. Neely

The paper presents the application of a new impulse excitation diagram (IED) to help realize high-energy orbits in nonlinear energy harvesting systems. In the case of non-linearity, we can deal with the occurrence of coexisting solutions…

Systems and Control · Electrical Eng. & Systems 2023-03-28 Damian Gaska , Jerzy Margielewicz , Grzegorz Litak , Piotr Wolszczak , Slawomir Bucki

This research paper explores the potential of nonlinear magnetic levitation systems for energy harvesting by developing a modified system that incorporates a more realistic energy harvesting circuit, enabling a better representation of…

Analysis of PDEs · Mathematics 2026-03-25 Jinhao Xie , Chengkai Yuan

In our work we examine the influence of background stochastic excitations on the power output generated by the energy harvester. The harvesting device we considered is composed of two small magnets, attached to piezoelastic oscillators,…

Adaptation and Self-Organizing Systems · Physics 2014-07-01 K. Kucab , G. Górski , J. Mizia

Recent evidence suggests that quantum effects may have functional importance in biological light-harvesting systems. Along with delocalized electronic excitations, it is now suspected that quantum coherent interactions with certain…

Chemical Physics · Physics 2015-10-22 Nathan Killoran , Susana F. Huelga , Martin B. Plenio

Energy harvesting (EH) has recently emerged as an effective way to solve the lifetime challenge of wireless sensor networks, as it can continuously harvest energy from the environment. Unfortunately, it is challenging to guarantee a…

Information Theory · Computer Science 2012-07-17 Yaming Luo , Jun Zhang , Khaled B. Letaief

The development of energy harvesting systems based on fluid/structure interactions is part of the global search for innovative tools to produce renewable energy. In this paper, the possibility to harvest energy from a flow using…

Fluid Dynamics · Physics 2012-03-02 Clement Grouthier , Sebastien Michelin , Emmanuel de Langre

The rapid growth of the so-called Internet of Things is expected to significantly expand and support the deployment of resource-limited devices. Therefore, intelligent scheduling protocols and technologies such as wireless power transfer,…

Information Theory · Computer Science 2021-05-06 Maria Dimitropoulou , Constantinos Psomas , Ioannis Krikidis

This paper presents the analysis of an efficient alternative interface circuit for MEMS electrostatic energy harvesters. It is entirely composed by diodes and capacitors. Based on modeling and simulation, the anti-phase gap-closing…

Applied Physics · Physics 2017-09-27 Binh Duc Truong , Cuong Phu Le , Einar Halvorsen

We propose and develop an electrical and mechanical system model of a single-axis linear-motion kinetic energy harvester for impulsive excitation that allows its generated load power to be numerically optimised as a function of design…

Applied Physics · Physics 2018-12-05 Michael N. Struwig , Riaan Wolhuter , Thomas Niesler

Dynamical systems for kinetic energy harvesting have recently been designed that use nonlinear mechanical resonators and corresponding transducers to create electrical output. Nonlinearities are important for providing a broadband input…

The concept of sensor networks (WSNs) has become an important component of the recently proposed cyber-physical systems (CPSs) and Internet of Things which can connect the physical world with embedded software systems. Energy- harvesting…

Signal Processing · Electrical Eng. & Systems 2018-06-22 Peng Hu

We propose a simple density functional expression for the upper bound of the kinetic energy for electronic systems. Such a functional is valid in the limit of slowly varying density, its validity outside this regime is discussed by making a…

Quantum Physics · Physics 2009-11-11 L. Delle Site

In this paper, we develop optimal policies for deciding when a wireless node with radio frequency (RF) energy harvesting (EH) capabilities should try and harvest ambient RF energy. While the idea of RF-EH is appealing, it is not always…

Information Theory · Computer Science 2015-08-04 Zhenhua Zou , Anders Gidmark , Themistoklis Charalambous , Mikael Johansson