Book

American Piezo LTD (2011). Piezo ELECTRIC CERAMICS: Principles and Applications . 2nd ed. Mackeyville,PA: APC Internationsl,LTD.. PAGES.

PZT Current Applications.

PZT materials are currently used for :-

Sensors - Acceleration and Pressure.
Sonar Devices.
Medical Applications.
Actuators - Video Casset and Pneumatic Valves.
Sonic devices - Buzzers and high frequency loud speakers

all of the devices shown above are using the CONVERSE Piezo electric effect.

Generators - Spark igniter's and solid state batteries

This is the most common form of the DIRECT Piezo electric effect.

PZT Popularity

PZT Popularity. 

PZT material is one of the most common Piezo ceramics used today. These ceramics are the preferred choice because they are chemically inert and physically strong, although these ceramics have to undergo a complex process to manufacture these are inexpensive materials. These materials are also verry popular because they can be tailor made to specific dimensions and requirements.

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The device shown is a Piezo transducer which will be used to create our electrical power.  

 These Piezo transducers will be sandwiched between two pieces of foam to give more mechanical strength.

 Testing the output voltages of these pads allows us to simulate the piezo effect on Multsim or Matlab/Simulink.

 Simple test watching an LED light up when pressure is applied to the Piezo Transducer.

Project Definition.

engineers have the task of supplying the world with electricity to power the ever growing digital revolution.  There are many ways to do things by harnessing energy from sunlight, wind and tidal which creates electricity in medium quantities. Engineers are putting their efforts into renovating these ideas to harness as much power as possible to come up against the likes of coal and oil. A new approach to this would be  if engineers were to put more prominence in creating electrical power in smaller quantities i.e generate power for individual items such as street lights to combat them from drawing electricity from the national grids supply. Could this solution be the way of the future thus reducing the need of non renewable plants? 

There are many types of energy forms that can be converted into electricity that have not yet been investigated into fully, S,Hawking (1991, PP.155) states that “one such black hole could run ten large power stations, if only we could harness its power” This proves that there are many ways to produce electrical power still to date that we as ‘engineers’ are able to investigate into.

The University of Derby Electrical Electronic Engineering Degree contains a module “Independent Engineering Project” for which I Daniel Floyd proposes the following title and aims for my project.

‘Design and Build of a Micro Generation Exercise Matt to Charge a Portable Device, Analysing the use of Piezo Electricity’

 Aims & Project Definition 

o   Innovate and Build of a micro generation exercise matt to charge a portable device.

o   Gain experience and knowledge in mechatronics & micro generation.

o   Analysis of Piezo electronics and how this technology can be used and designed into various scenarios. 

Check back at a later date to fine out more about this project