Piezoelectric MEMS energy harvesting module based on non-resonant excitation
2011
The paper reports the system design of a piezoelectric energy harvesting module for a tire based wireless sensor node application. Impacts of material propertie, generator design and power management circuitry are considered. In context of a non-resonant generator excitation scheme, dissipative damping mechanisms are investigated. In particular air damping is measured, simulated and modeled. A design procedure is presented to identify a geometry design space for the microgenerator consistent with application specific requirements.
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