Paper Title:
Control of Vibratory Energy Harvesting Systems with Optimized Passive Networks
  Abstract

There has been a growing interest in the generation and storage of power from ambient vibration using piezoelectric transduction. It is well-known that by connecting a piezoelectric energy harvester to a power-electronic switching network, proper switching control can yield favorable energy transduction. It has also been shown that in broadband response, the switching controller maximizing power flow to storage can be solved as an H2 optimal control problem. For extremely small-scale applications, however, the background power necessary to keep a controller online continuously may exceed the average harvested power. In such circumstances, it is necessary to restrict feedback controllers to a class which can be realized with very little power. This paper investigates the use of passive networks to impose transducer voltage feedback laws on energy harvesting systems. Such an implementation requires external power only to gate one mosfet in the power-electronic drive circuitry at a constant duty cycle. The optimization of the passive network for optimal power generation is a challenging, nonconvex problem. This paper presents some preliminary results on a sub-optimal LMI-based design approach for this problem. An example is given for a stochastically-excited piezoelectric bimorph beam.

  Info
Periodical
Edited by
Pietro VINCENZINI and Fabio CASCIATI
Pages
164-169
DOI
10.4028/www.scientific.net/AST.56.164
Citation
J. T. Scruggs, "Control of Vibratory Energy Harvesting Systems with Optimized Passive Networks", Advances in Science and Technology, Vol. 56, pp. 164-169, 2008
Online since
September 2008
Authors
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Ying Biao Wang, Yuan Wang
Abstract:The longitudinal piezoelectric transducers compound and reasonable structure is derived and presented, in addition, the paper designed a...
4163
Authors: Min Sun, Dong Yu Xu, Shi Feng Huang
Abstract:1-3 polymer-based piezoelectric composites were fabricated using epoxy as the matrix by the cut-filling method. The influences of PMN volume...
339
Authors: Yi Cheng Huang, Kun Yang Li
Chapter 7: Intelligent Mechatronics
Abstract:In this paper, the study for the bonding tool position of ultrasonic transducers for thermosonic Flip-Chip LED bonding is presented....
1670
Authors: Tao Li, Chin Foo Goh, Jan Ma
Abstract:In the present work, a piezoelectric diaphragm pump was designed and investigated. The pump uses a piezoelectric diaphragm transducer as the...
18
Authors: Aleksander Kural, Rhys Pullin, C.A. Featherston, J. Lees, J. Naylon, C. Paget, Karen M. Holford
Abstract:A project investigating the possibility to transmit electrical power (several mW) along the structure of an aircraft by using an intermediate...
445