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1
Adaptive micro electret vibrational energy harvester
Published 2016“…A lumped parametric model of 2DOF vibrational system was built and examined for its energy harvesting capabilities. …”
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Thesis-Doctor of Philosophy -
2
Novel techniques for laser doppler vibrometry for vibrating shiny and mirror surfaces
Published 2020“…These new methods allow recovery of the light signal lost due to a vibrating mirror with a large tilt or rotation angle. …”
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Thesis-Doctor of Philosophy -
3
Investigating lattice vibrational and excitonic properties of two-dimensional heterostructures of transition metal dichalcogenides
Published 2021“…Thus, studying their lattice vibrational and excitonic properties is fundamentally necessary and important. …”
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Thesis-Doctor of Philosophy -
4
Energy harvesting from vibro-impact of structures using triboelectric materials
Published 2023“…There are several energy sources in nature for energy harvesting, such as solar, thermal gradient, wind/water flow and vibration. Among them, the wide existence of vibration makes it an ideal energy source to be harvested through transduction mechanisms. …”
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Thesis-Doctor of Philosophy -
5
PVDF nanofiber sensors for real time impact measurements in string structures
Published 2020“…The determination of strain and vibration in the strings can be used to evaluate some key properties such as string tension and impact location of a force on the string. …”
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Thesis-Doctor of Philosophy -
6
Smart material based on magnetorheological elastomer and its 3D printing
Published 2020“…The vibration isolator can work in the low magnetic field range. …”
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Thesis-Doctor of Philosophy -
7
Uncertainty modelling and computation in Bayesian operational modal analysis
Published 2024“…Amidst the complex composition of ambient vibration data of civil structures, conventional noise assumption may not always apply. …”
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Thesis-Doctor of Philosophy -
8
Modelling and control to mitigate electro-mechanical interaction effects in marine propulsion systems
Published 2019“…The proposed solutions can reduce shaft over torque, torsional stresses, and vibration duration considerably in azimuth thruster and diesel generator system. …”
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Thesis-Doctor of Philosophy -
9
Investigation of power converters for AC and DC power collection in wind turbine systems
Published 2020“…WTSs are a complex electro-mechanical system, and as the wind turbines are getting bigger, vibration issues are becoming one of the concerning issues. …”
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Thesis-Doctor of Philosophy -
10
Designing with phase change materials for satellite thermal management
Published 2021“…The vibration test is conducted in operation conditions with PCM in the liquid state during the test. …”
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Thesis-Doctor of Philosophy -
11
Frequency-comb-referenced quantitative phase imaging for high-sensitivity, high-speed, spectroscopic phase measurement
Published 2020“…Here, this research proposes a rotational optical diffuser as a compact, vibration-free, and effective method to suppress the speckle of high-coherence continuous-wave laser (background noise is reduced by 1.36 dB). …”
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Thesis-Doctor of Philosophy -
12
Energy conversion through local piezoelectric effect in polymer foams for enhancing sound absorption
Published 2020“…Electromechanically active coupling effect, particularly piezoelectric effect, has so far been studied mainly for structural vibration damping but not for airborne sound absorption. …”
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Thesis-Doctor of Philosophy -
13
Obstacle detection and SLAM techniques for autonomous vehicles
Published 2024“…However, existing LiDAR-based SLAM methods often suffer from drift along the z-axis and deviate from SE(2) constraints due to rough terrain or motion vibration. The proposed framework overcomes these challenges, providing real-time performance and reliable localization for ground robots. …”
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Thesis-Doctor of Philosophy -
14
Template-assisted synthesis of 2D heterostructure photocatalysts
Published 2024“…The 2D TiO2/BaTiO3 heterostructures, obtained with a combined thickness of around 40 nm, demonstrated a remarkable photocatalytic hydrogen generation rate of 31.0 mmol h-1 g-1 under the influence of ultrasonic vibration. This rate far exceeded those of individual TiO2 and BaTiO3 nanosheets, together with the bulk and commercial TiO2/BaTiO3 heterojunctions. …”
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Thesis-Doctor of Philosophy -
15
Condition monitoring of capacitors in power electronic converters
Published 2020“…The main factors affecting the lifetime of an AEC are environmental factors such as ambient temperature, vibration, humidity, etc., and electrical factors such as operating voltage, ripple current, and charge-discharge duty ratio. …”
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Thesis-Doctor of Philosophy -
16
Enhancement of guided wave tomography for pipelines via improved transduction and signal deconvolution
Published 2021“…In area monitoring SHM, methods such as isual or thermal cameras are limited to surface breaking defects which are unable to quantify thickness from the inner pipe wall. Vibration techniques are a possible method although they are insensitive. …”
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Thesis-Doctor of Philosophy -
17
Piezoelectric energy harvesting interface circuits for energy autonomous sensors
Published 2017“…Vibrational energy is often harvested using three methods viz. …”
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Thesis-Doctor of Philosophy -
18
Advancing photoacoustic tomography using deep learning
Published 2022“…These, Nd:YAG laser sources are bulky, expensive, and require sophisticated vibration isolation housing for their operation. Furthermore, the pulse repetition rate (PRR) of the Nd:YAG laser is low (10-100 Hz). …”
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Thesis-Doctor of Philosophy -
19
3D-C/shape memory polymer composite for space deployable applications
Published 2020“…It is being subjected to a series of pre-flight qualification tests including launch vibration test and thermal vacuum cycling test. The model is intact after being subjected to launch vibrational loads (acceleration levels of 7g in longitudinal and 2.5g in the lateral axis). …”
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Thesis-Doctor of Philosophy -
20
Magneto-fluidic materials and systems for energy applications
Published 2021“…Such heat pumps do not need any external power, are vibration free, noiseless and require minimum maintenance. …”
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Thesis-Doctor of Philosophy