Analysis of Improving the Power out of a Piezoelectric Energy Harvester Using Segmented Electrodes
Journal Title: Mehran University Research Journal of Engineering and Technology - Year 2017, Vol 36, Issue 1
Abstract
Vibration-based EH (Energy Harvesting) using piezoelectric materials have been investigated by several research groups with the aim of harvesting maximum energy and providing power to low-powered wireless electronic systems for their entire operational life. The main areas of research includes improvements in mathematical modelling, optimization of harvester geometry, developments in electrical circuitry, advancements in charge storage devices and investigating various piezoelectric materials to achieve maximum power output. This paper investigates and compares the electrical power output with whole length electrodes and with segmentation of electrodes for the same harvester length. It is found that the voltage generated by one electrode of length l/2 of the direction-fixed tip system is significantly greater than that produced by one electrode of length l of the free tip system. This paper also verifies the fact that segmentation of electrodes reduces the effect of strain nodes and charge cancellation particularly at higher mode frequencies. The paper presents the simulation results using DSM (Dynamic Stiffness Matrix) which is a compact method of modelling piezoelectric beams
Authors and Affiliations
Sajid Rafique, Sadiq Shah
Keywords
Related Articles
- EP ID EP196543
- DOI 10.22581/muet1982.1701.17
- Views 96
- Downloads 0
Iterative Learning Control Based Fractional Order PID Controller for Magnetic Levitation System
Maglev (Magnetic Levitation) systems are an interesting class of systems since they work without any physical contact and are hence frictionless. Due to this attractive property, such systems have the potential for wide...
Linear Shrinkage Behaviour of Compacted Loam Masonry Blocks
Walls of wet loam, used in earthen houses, generally experience more shrinkage which results in cracks and less compressive strength. This paper presents a technique of producing loam masonry blocks that are compacted in...
A Headway to QoS on Traffic Prediction over VANETs using RRSCM Statistical Classifier
In this paper, a novel throughput measurement forecast model is recommended for VANETs. The model is based on a statistical technique adopted and deployed over a high speed IP network traffic. Network traffic would alway...
Modeling and Correlating Rut Depth Observed in Different Asphalt Mixture Performance Tests
The purpose of research is to model and correlate the laboratory rutting behavior of indigenous asphalt mixtures, prior to placing in the field. Extensive laboratory testing was carried out on thirty representative weari...
Design and Analysis of Hybrid Tree Multipliers for Reduction of Partial Products
This paper confers one of the three phases of tree multipliers, i.e. the Partial Product reduction phase. In this paper four types of hybrid tree multipliers are studied and proposed using parallel counters (full adders...