Layerwise anomaly detection in laser powder-bed fusion metal additive manufacturing

M Mahmoudi, AA Ezzat… - Journal of …, 2019 - asmedigitalcollection.asme.org
A growing research trend in additive manufacturing (AM) calls for layerwise anomaly
detection as a step toward enabling real-time process control, in contrast to ex situ or …

Modeling of a horizontal asymmetric U-shaped vibration-based piezoelectric energy harvester (U-VPEH)

S Sun, WT Peter - Mechanical Systems and Signal Processing, 2019 - Elsevier
In this paper, we present a new horizontal asymmetric U-shaped vibration-based
piezoelectric energy harvester (U-VPEH), which collects and converts destructive vibration …

Modeling and analysis of piezoelectric energy harvesting with dynamic plucking mechanism

X Fu, WH Liao - Journal of Vibration and Acoustics, 2019 - asmedigitalcollection.asme.org
Nonharmonic excitations are widely distributed in the environment. They can work as energy
sources of vibration energy harvesters for powering wireless electronics. To overcome the …

[HTML][HTML] Flexural modes coupling in cantilever-type piezoelectric energy harvesters

A Pasharavesh, H Dalir - Energy Reports, 2021 - Elsevier
The ability to harness the waste mechanical energy and convert it into useful electrical
power has made kinetic energy harvesters a promising candidate to provide an everlasting …

A low-power high-efficiency adaptive energy harvesting circuit for broadband piezoelectric vibration energy harvester

A Zou, Z Liu, X Han - Actuators, 2021 - mdpi.com
Existing piezoelectric vibration energy harvesting circuits require auxiliary power for the
switch control module and are difficult to adapt to broadband piezoelectric vibration energy …

Start-up optimization of combined cycle power plants: A field test in a commercial power plant

Y Yoshida, T Yoshida… - … for Gas Turbines …, 2019 - asmedigitalcollection.asme.org
Requirements for the start-up operations of gas turbine combined cycle (GTCC) power
plants have become more diverse and now include such items as reduced start-up time, life …

Multiple-scale analysis of a tunable bi-stable piezoelectric energy harvester

F Qian, N Abaid, L Zuo - ASME Letters in …, 2021 - asmedigitalcollection.asme.org
This paper presents the theoretical modeling and multiple-scale analysis of a novel
piezoelectric energy harvester composed of a metal cantilever beam, piezoelectric films, and …

Pole placement for time-delayed systems using Galerkin approximations

SS Kandala, TK Uchida… - Journal of …, 2019 - asmedigitalcollection.asme.org
Many dynamic systems of practical interest have inherent time delays and thus are governed
by delay differential equations (DDEs). Because DDEs are infinite dimensional, time …

Toward wideband piezoelectric harvesters through self-powered transitions to high-energy response

A Pasharavesh, MT Ahmadian - … of Vibration and …, 2020 - asmedigitalcollection.asme.org
Convergence to low-energy responses arising from coexistence of multiple stable nodes is
the main drawback of a nonlinear energy harvester preventing it from efficient wideband …

Segmented cantilever and array configurations for wider frequency band and higher power generation in piezoelectric vibration energy harvester

A Zou, J Li, X Han, Q Wang - Wireless Communications and …, 2021 - Wiley Online Library
This letter reports a piezoelectric vibration energy harvester which energy conversion
efficiency is significantly improved by arraying piezoelectric sheets on cantilever beams, and …