College of Engineering: Recent submissions
Now showing items 341-360 of 8040
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Development and Implementation of Energy-Efficient Magnetorheological Fluid Bypass Damper for Prosthetics Limbs Using a Fuzzy-Logic Controller
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Walking behaviour in amputees with lower-limb loss is absent from shock-absorbing properties. A damper can be used to reduce the impact of ground reaction force (GRF) during heel strikes. Magnetorheological fluid (MRF) ... -
Parametric Estimation from Empirical Data Using Particle Swarm Optimization Method for Different Magnetorheological Damper Models
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The nonlinearity behaviour of magnetorheological fluid (MRF) can be described using a number of established models such as Bingham and Modified Bouc-Wen models. Since these models require the identification of model ... -
Broadband vibration energy harvesting from a non-deterministic system: Performance of different piezoelectric patch shapes
( IOP Publishing Ltd , 2021 , Article)Harvesting energy from ambient structural vibration using piezoelectric materials gained massive interest in the past decade. Piezoelectric harvesters can be incorporated in many applications; however, one of the main ... -
Optimal piezoelectric shunt dampers for non-deterministic substructure vibration control: estimation and parametric investigation
( Nature Research , 2021 , Article)Piezoelectric (PZT) shunt damping is an effective method to dissipate energy from a vibrating structure; however, most of the applications focus on targeting specific modes for structures vibrating at low-frequency range, ... -
A hybrid piezoelectric-electromagnetic nonlinear vibration energy harvester excited by fluid flow
( Academie des sciences , 2021 , Article)Energy harvesting mechanisms can be used to extract energy from ambient surroundings to power small electronic devices, which has a significant advantage in realizing self-sustaining wireless devices. The proposed design ... -
Optimization of piezoelectric sensor-actuator for plate vibration control using evolutionary computation: Modeling, simulation and experimentation
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The development of lightweight, stronger, and more flexible structures has received the utmost interest from many researchers. For this reason, piezoelectric materials, with their inherent electromechanical coupling, have ... -
3D numerical modelling and analysis of a magnetorheological elastomer (MRE)
( EXTRICA , 2020 , Article)Magneto rheological elastomer (MRE) is a smart material consists of a polymer matrix embedded micro/nano-sized magnetic particles. Its mechanical properties are altered by external magnetic fields. In this article, a ... -
Effect of Carbonyl Iron Particle Types on the Structure and Performance of Magnetorheological Elastomers: A Frequency and Strain Dependent Study
( MDPI , 2022 , Article)Magnetorheological elastomers (MREs) are smart viscoelastic materials in which their physical properties can be altered when subjected to a varying magnetic field strength. MREs consist of an elastomeric matrix mixed with ... -
Wearable thermoelectric generator with vertically aligned PEDOT:PSS and carbon nanotubes thermoelements for energy harvesting
( John Wiley and Sons Ltd , 2022 , Article)Thermoelectric generators (TEGs) facilitate maintenance-free sustainable energy transduction, making them attractive and feasible options for self-powered wearable electronics. Nonetheless, their energy-conversion process ... -
Novel structural design of wearable thermoelectric generator with vertically oriented thermoelements
( Elsevier , 2022 , Article)Energy harvesting technology has become important for wearable electronics, where a continuous power supply is essential. Although a wearable thermoelectric generator (TEG) is a promising option in this context, maintaining ... -
Adaptive Electromagnetic Vibration Absorber for a Multimode Structure
( Assoc. of Mechanical Eng. and Technicians of Slovenia , 2022 , Article)All structures experience vibrations due to external dynamic force excitations, such as earthquakes and wind loadings. At resonance, the impact of this natural dynamic force on structures may lead to structural failures. ... -
MAGNETORHEOLOGICAL ELASTOMER-BASED FLEXIBLE COUPLING FOR TORSIONAL VIBRATION ISOLATION
( Society of Acoustics , 2022 , Conference Paper)Employing vibration isolation can avoid the detrimental effects of unattenuated torsional vibrations on rotary mechanical equipment. Semi-active vibration isolators can effectively reduce the vibration levels in mechanical ... -
A hybrid piezoelectric-electromagnetic energy harvester from vortex-induced vibrations in fluid-flow; the influence of boundary condition in tuning the harvester
( Elsevier , 2022 , Article)In this paper, a hybrid piezoelectric-electromagnetic energy harvester is proposed to harvest energy from fluid flow around a bluff-body using vortex-induced vibration (VIV). The hybrid piezoelectric-electromagnetic harvester ... -
AIRFOIL-BASED SELF-ADJUSTABLE PIEZOELECTRIC ENERGY HARVESTER IN FLUID-FLOW APPLICATIONS FOR PERFORMANCE OPTIMIZATION
( Society of Acoustics , 2022 , Conference Paper)Piezoelectric vibration energy harvesters can be utilized to harvest kinetic energy from fluid flow for remote sensing applications. Vortex formation behind a bluff body that is coupled to a beam oscillates with two ... -
Tunable Piezoelectric Generator Coupled with Shape Memory Alloy (SMA) Heat Engine as Thermal Energy Harvester
( Institution of Engineering and Technology , 2022 , Conference Paper)With the ever-growing energy demand and environmental concerns, research on alternative energy is vital for sustainability. Thermal energy harvesting using shape memory alloy (SMA) heat engine is one of the possible methods ... -
Development of a Performance-Enhanced Hybrid Magnetorheological Elastomer-Fluid for Semi-Active Vibration Isolation: Static and Dynamic Experimental Characterization
( MDPI , 2022 , Article)Magnetorheological elastomers (MREs) are a class of emerging smart materials in which their mechanical and rheological properties can be immediately and reversibly altered upon the application of a magnetic field. The ... -
Magnetorheological Elastomer based torsional vibration isolator for application in a prototype drilling shaft
( SAGE Publications Inc. , 2022 , Article)Smart materials properties are altered using external stimuli such as temperature, pressure and magnetic field. Magnetorheological Elastomer (MRE) is a type of smart composite material consisting of a polymer matrix embedded ... -
Surface Roughness Modelling of the Micromechanically Patterned CNT Forests
( Bentham Science Publishers , 2023 , Article)Introduction: A new method of modelling surface roughness of the resultant structure from various parameters in the microforming of CNT forests has been developed. One of the top-down microforming methods of CNT forests ... -
DEVELOPMENT OF SHAPE MEMORY ALLOY (SMA) BASED ARTIFICIAL MUSCLE FOR APPLICATION IN SOFT GRIPPER
( Taylor's University , 2023 , Article)Soft robotics is a branch of robotics that utilize soft materials instead of the common rigid links. Shape memory alloy (SMA) wire has the advantage of being compact and lightweight, as they only require simple control ... -
Energy harvesting from railway slab-tracks with continuous slabs
( SAGE Publications Inc. , 2023 , Article)This paper contributes to the literature and development of knowledge in the topic of energy harvesting by presenting the modelling and calculations of energy from vibration of railway tracks due to moving trains on ...