Design and analysis of charge-recovery driving circuits for portable peristaltic micropumps with piezoelectric actuators

Chao, Chung Shao; Huang, Pao Cheng; Chen, Ming Kun; Jang, Ling-Sheng

doi:10.1016/j.sna.2011.04.027

Cited by 22 publications

(12 citation statements)

References 24 publications

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“…16). Chung-Shao Chao et al [54] discussed the modified driving circuit uses the two-phase charging method whose time duration between two charges. They discovered that the pump obtains an extra 34%, 13% and 4.2% flow rate at 80 Vpp, 120 Vpp, and 160 Vpp, respectively.…”

Section: Energy Harvesting Circuitmentioning

confidence: 99%

Review on the Design, Geometry and Mechanical Modeling of Piezoelectric Energy Harvesting Structures

Zhao

Zuo

Chen

2017

ACRI

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In recent decades, with the increase of energy demand and the development of wireless and micro-electro-mechanical technology, research in the field of energy recovery has been paid more and more attention. Because of piezoelectric materials can transform mechanical strain energy into electrical charge, therefore, piezoelectric materials are the major method of energy scavenging. The research status of piezoelectric energy harvesting devices at domestic and overseas is presented in detail. This paper includes four aspects: Asingle-degree of freedom system, piezoelectric cantilever beam, energy harvesting circuit and topology optimization of energy harvester. The development perspective of the piezoelectric vibration energy harvester was summarized. The study will be helpful for the researchers who are engaged in the studying on the piezoelectric vibration energy harvesting.

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Section: Energy Harvesting Circuitmentioning

confidence: 99%

Review on the Design, Geometry and Mechanical Modeling of Piezoelectric Energy Harvesting Structures

Zhao

Zuo

Chen

2017

ACRI

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“…In recent years, micropumps play an increasingly important role in the field of biological (Elham et al, 2016), medical (Florian et al, 2015; Revathi and Padmanabhan, 2016), chemical (Zhou et al, 2016), electronics cooling (Kim et al, 2012), fuel delivery (Chao et al, 2011; Nisar et al, 2008), and so on. Among the many types of mechanical micropumps, piezoelectric micropump received more and more attention due to some advantages such as simple structure, easy manufacturing, high efficiency, no electromagnetic interference, and good reliability (Ma et al, 2011; Nguyen et al, 2002; Peter, 2005).…”

Section: Introductionmentioning

confidence: 99%

Performance of single piezoelectric vibrator micropump with check valve

Dong

Chen

et al. 2019

Journal of Intelligent Material Systems and Structures

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A new single vibrator piezoelectric micropump which integrated the check valve and the piezoelectric oscillator is designed in this research. The micropump mainly consists of a circular piezoelectric vibrator, a polyethylene terephthalate check valve, two rubber sealing rings, upper pump cover, and lower pump cover. In this research, in order to study output performance of the single vibrator piezoelectric pump, theoretical analysis and experimental verification of the piezoelectric pump check valve have been carried out by exploiting the method of check valves and vibrator mass separation. Experimental results show that the opening of the check valve is mainly caused by the pressure difference and the inertia force. The dominant factor of check valve opening is different under different drive frequencies. A maximum opening displacement of 19.625 μm of the check valve is obtained when the micropump is driven by a sinusoidal voltage of 60 V at 300 Hz. In addition, the maximum flow rate of 2034.7 mL min−1 is obtained when the micropump is driven by a sinusoidal voltage of 60 V at 320 Hz, and a maximum output pressure of 0.82 kPa is obtained when the micropump is driven by a sinusoidal voltage of 60 V at 140 Hz.

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“…Most of them feature only a rectangular driving signal with fixed slew rate [2] and limited signal flexibility. Some drivers [3] offer energy recuperation, but they don't employ grounding one of micropump electrodes, which is prerequisite in medical applications. In our previous work [4] a three channel, high voltage analog linear amplifier was de-veloped.…”

Section: Introductionmentioning

confidence: 99%

Piezoelectric Micropump Driving Module with Programmable Slew-Rate and Dead-Time

et al. 2019

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High efficiency piezoelectric micropump driving module with programmable slew-rate and dead-time has been designed, implemented and characterized for driving custom made piezoelectric micropumps. Developed driver enables independent setting of several rectangular output signal parameters, such as frequency, positive and negative amplitudes, slew-rates, dead time, and modes of operation (pump/valve). Implemented driver can achieve amplitudes up to 250 VPP on a frequency range from DC to 1 kHz, slew-rate up to 18 V/µs at maximum power consumption 1.6 W (180 mA @ 9 V). In comparison with our previous driver with RC charge/discharge signal shape, presented version increases air flow capability of micropumps from 1.6 sccm to 4.2 sccm. It enables driving of 200 µm thick PZT actuators with 12 nF capacitance.

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Design and analysis of charge-recovery driving circuits for portable peristaltic micropumps with piezoelectric actuators

Cited by 22 publications

References 24 publications

Review on the Design, Geometry and Mechanical Modeling of Piezoelectric Energy Harvesting Structures

Review on the Design, Geometry and Mechanical Modeling of Piezoelectric Energy Harvesting Structures

Performance of single piezoelectric vibrator micropump with check valve

Piezoelectric Micropump Driving Module with Programmable Slew-Rate and Dead-Time

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