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Carbon Nanofibers Grown in CaO for Self-Sensing in Mortar
Intelligent cementitious materials integrated with carbon nanofibers (CNFs) have the potential to be used as sensors in structural health monitoring (SHM). The difficulty in dispersing CNFs in cement-based matrices...
Probability and output analysis of asymmetric bistable energy harvesters subjected to Gaussian white noise

Due to their excellent broadband response and high sensitivity to low-amplitude excitations, there is significant interest in the theoretical analysis and experimental validation of bistable energy harvesters (BEHs). However...

Multiple solutions of asymmetric potential bistable energy harvesters
In this paper, we investigate the multiple solutions of nonlinear asymmetric potential bistable energy harvesters (BEHs) under harmonic excitations. Basins of attraction under certain excitations explain the existence of...
Performance enhancement of nonlinear asymmetric bistable energy harvesting from harmonic, random and human motion excitations

Numerical and experimental investigations of nonlinear bistable energy harvesters (BEHs) with asymmetric potential functions are presented under various excitations for performance enhancement. Basin of attraction under...

A stacked electromagnetic energy harvester with frequency up-conversion for swing motion

This paper undertakes theoretical and experimental investigations of a stacked magnetic modulation harvester with frequency up-conversion for energy harvesting performance enhancement from swing motion. The harvester includes...

A stacked electromagnetic energy harvester with frequency up-conversion for swing motion

This paper undertakes theoretical and experimental investigations of a stacked magnetic modulation harvester with frequency up-conversion for energy harvesting performance enhancement from swing motion. The harvester includes...

Multiple solutions of asymmetric potential bistable energy harvesters
In this paper, we investigate the multiple solutions of nonlinear asymmetric potential bistable energy harvesters (BEHs) under harmonic excitations. Basins of attraction under certain excitations explain the existence of...
Probability and output analysis of asymmetric bistable energy harvesters subjected to Gaussian white noise

Due to their excellent broadband response and high sensitivity to low-amplitude excitations, there is significant interest in the theoretical analysis and experimental validation of bistable energy harvesters (BEHs). However...

Applicability of magnetic force models for multi-stable energy harvesters

Multi-stable piezoelectric energy harvesters have been exploited to enhance performance for extracting ambient vibrational energy from a broadband energy source. Since magnetic force plays a significant role in enhancing the...

Optimum resistance analysis and experimental verification of nonlinear piezoelectric energy harvesting from human motions

The complex dynamic behavior of nonlinear harvesters make it difficult to identify the optimum mechanical and electrical parameters for maximum output power, when compared to linear energy harvesting devices. In addition, the...

Nonlinear dynamics and performance enhancement of asymmetric potential bistable energy harvesters

Bistable system exhibiting complex dynamic behavior has been viewed as an efficient method to overcome the issue of linear energy harvester only performing well near the resonant frequency. Moreover, performance enhancement...

Nonlinear dynamics and performance enhancement of asymmetric potential bistable energy harvesters

Bistable system exhibiting complex dynamic behavior has been viewed as an efficient method to overcome the issue of linear energy harvester only performing well near the resonant frequency. Moreover, performance enhancement...

Applicability of magnetic force models for multi-stable energy harvesters

Multi-stable piezoelectric energy harvesters have been exploited to enhance performance for extracting ambient vibrational energy from a broadband energy source. Since magnetic force plays a significant role in enhancing the...

Optimum resistance analysis and experimental verification of nonlinear piezoelectric energy harvesting from human motions

The complex dynamic behavior of nonlinear harvesters make it difficult to identify the optimum mechanical and electrical parameters for maximum output power, when compared to linear energy harvesting devices. In addition, the...

Energy Harvesting from Ultra-low-Frequency Vibrations Through a Quasi-zero Stiffness Electromagnetic Energy Harvester

Purpose: To scavenge vibrational energy from ultra-low frequency vibrations with low excitation levels, this paper presents a novel quasi-zero stiffness electromagnetic energy harvester (QZS-EMEH) by exploiting a rolling...

Energy Harvesting from Ultra-low-Frequency Vibrations Through a Quasi-zero Stiffness Electromagnetic Energy Harvester

Purpose: To scavenge vibrational energy from ultra-low frequency vibrations with low excitation levels, this paper presents a novel quasi-zero stiffness electromagnetic energy harvester (QZS-EMEH) by exploiting a rolling...

Performance enhancement of nonlinear asymmetric bistable energy harvesting from harmonic, random and human motion excitations

Numerical and experimental investigations of nonlinear bistable energy harvesters (BEHs) with asymmetric potential functions are presented under various excitations for performance enhancement. Basin of attraction under...

Bistable energy harvesting backpack

Inspired by the dynamics of the noninertial systems, a novel bistable energy harvesting backpack is proposed that improves biomechanical energy harvesting performance. In contrast to traditional bistable energy harvesters...

Enhanced variable reluctance energy harvesting for self-powered monitoring

With the rapid development of microelectronic technology, wireless sensor nodes have been widely used in rotational equipment for health condition monitoring. However, for many low-frequency applications, there still remains...

Bistable energy harvesting backpack

Inspired by the dynamics of the noninertial systems, a novel bistable energy harvesting backpack is proposed that improves biomechanical energy harvesting performance. In contrast to traditional bistable energy harvesters...

Enhanced variable reluctance energy harvesting for self-powered monitoring

With the rapid development of microelectronic technology, wireless sensor nodes have been widely used in rotational equipment for health condition monitoring. However, for many low-frequency applications, there still remains...

Advanced Detection of Chronic Atrophic Gastritis Using High-Resolution Endoscopy and Semantic Web
Chronic atrophic gastritis is a precancerous lesion that can progress to gastric cancer. Existing deep-learning methods often downsample high-resolution images during diagnosis, leading to a loss of texture details and a reduced...
Innovating Sustainability
In today's global society, carbon neutrality has become a focal point of concern. Greenhouse gas emissions and rising atmospheric temperatures are triggering various extreme weather events, sea level rise, and ecological...
Fort Mill Eagle Scout Builds Rain Garden on Winthrop Campus
Winthrop University
Jan 01, 0001
Ryan Certo is a rising 10th grader at Fort Mill High School. He is a member of Fort Mill/Tega Cao Troop 150. Rain gardens help protect water quality and reduce the damage of storm water runoff.
Published by: Winthrop University

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