Analytic calculations for piezoelectric materials

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Discussion Overview

The discussion revolves around the analytical calculations for piezoelectric materials, specifically focusing on converting vibrations into electrical energy. Participants explore theoretical approaches to determine the output voltage achievable from known vibrations in piezoelectric materials.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant proposes that if all properties of a piezoelectric material are known, analytical calculations can be performed to determine the theoretical output voltage from vibrations.
  • Another participant shares a case study that includes mathematical modeling relating piezoelectric displacement to electrical energy generation from bicycle vibrations.
  • A participant requests clarification on the location of the study mentioned by another, indicating a search for specific resources.
  • A later reply acknowledges an oversight in attaching the referenced study, suggesting a follow-up with additional information.

Areas of Agreement / Disagreement

Participants have not reached a consensus, as the discussion includes requests for resources and clarification rather than definitive conclusions or agreements on the calculations.

Contextual Notes

Limitations include the assumption that all properties of the piezoelectric material are known, as well as the dependency on specific definitions of vibration magnitude and displacement.

billybomb87
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Lets assume that all properties of a piece of piezoelectrical material are known, how should the analytical calculations be performed if the goal is to convert a vibration into electrical energy? What I'm looking for is the theoretical output voltage one can achieve for a known vibration.

To simplify, let's say that the magnitude of the vibrations are known (i.e. how much the vibrations displces the PZT from its equilibrium).

Any tips on links or articles are more than welcome!
 
Engineering news on Phys.org
Here's a nice case study on piezoelectric material for power generation using bicycle vibration. This article provides the mathematical modeling that relates piezoelectric displacement with electrical energy.
 
StrykerTECH, where is the study you spoke about? I did not find it.
 
Oh thanks, I forgot to hit the attach button.
 

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