A bionic inertial piezoelectric actuator with improved frequency bandwidth
Sign Up to like & getrecommendations! Published in 2021 at "Mechanical Systems and Signal Processing"
DOI: 10.1016/j.ymssp.2021.107620
Abstract: Abstract With features of simple structure and control, the inertial piezoelectric actuator is a promising type to achieve large working stroke and high positioning resolution. However, most of previously developed inertial piezoelectric actuators face the… read more here.
Keywords: inertial piezoelectric; piezoelectric actuator; frequency bandwidth; bionic inertial ... See more keywords
Compact Frequency and Bandwidth Tunable Bandpass–Bandstop Microstrip Filter
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2018.2858005
Abstract: This letter presents the design and implementation of a compact microstrip filter with frequency and bandwidth (BW) reconfiguration. The proposed filter consists of a transmission line coupled with a U-shaped microstrip line resonator. Varactor diodes… read more here.
Keywords: bandpass; frequency; microstrip filter; frequency bandwidth ... See more keywords
Increasing the efficiency of a bistable cantilever beam energy harvester exploiting vibro-impact effects
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Intelligent Material Systems and Structures"
DOI: 10.1177/1045389x221115703
Abstract: In this paper, a novel energy harvester is proposed by adding a barrier to a typical bistable energy harvester, which is modeled exploiting an equivalent single degree of freedom. By using Euler-Lagrange equations, mass, structural… read more here.
Keywords: harvester; frequency bandwidth; energy harvester; vibro impact ... See more keywords
A Simple Bandpass Filter with Independently Tunable Center Frequency and Bandwidth
Sign Up to like & getrecommendations! Published in 2017 at "Progress in Electromagnetics Research Letters"
DOI: 10.2528/pierl17061502
Abstract: A varactor-tuned microstrip bandpass filter (BPF) with independently tunable center frequency and bandwidth is proposed in this paper. The proposed BPF with a simple configuration is composed of a half-wavelength transmission line with both ends… read more here.
Keywords: line; frequency; transmission line; frequency bandwidth ... See more keywords
Dynamic Modulation of THz Absorption Frequency, Bandwidth, and Amplitude via Strontium Titanate and Graphene
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12081353
Abstract: A multi-functional broadband absorber based on graphene and strontium titanate (STO) film was designed. Additionally, the frequency, bandwidth, and amplitude of the absorber could be tuned by adjusting temperature and Fermi level of the graphene.… read more here.
Keywords: graphene; strontium titanate; thz; thz thz ... See more keywords