国际光学工程学会
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作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:Because electrical parameters are used to calculate various ferroelectric, pyroelectric, and piezoelectric properties, they are defined in Table 4.1. Impedance is the basic electrical parameter used to characterize electronic circuits, components, and materials; it is defined as ...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:This section contains reference, index and author bio.
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:This chapter demonstrates the principles of a piezoelectric cantilever beam for vibration energy harvesting. There are multiple techniques for converting vibrational energy to electrical energy. The three dominant techniques are electrostatic, electromagnetic, and piezoelectric c...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:In the recent past, the growing presence of renewable-energy research in academic journals and industrial companies has led to an increase in its contribution: 19% to global energy consumption and 22% to U.S. electricity generation in 2012 and 2013, respectively. National renewab...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:Piezoelectric power-generation devices can be divided into two categories: (a) self-energizing devices (self-powered solely by the static or dynamic movement of piezoelectric devices), and (b) energy-harvesting devices that are attached to existing structures that vibrate during ...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:Energy harvesting, or energy-scavenging technology, captures unused ambient energy—such as vibration, strain, light, temperature gradients and variations, gas flow energy, and liquid flow energy—and converts it into usable electrical energy. In spite of the advances made thu...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:The ability to deliver sustainable electric power to micro-electro-mechanical systems (MEMS) or a wireless system network by energy harvesting is attractive not only because of the cost of batteries but also because it removes the additional time and cost that is necessary t...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:Pyroelectric, ferroelectric, and piezoelectric materials have been fabricated in bulk single crystals and in ceramic, thin- and thick-film, and composite forms. All of the major techniques are described depend on the applicability and convenience of fabricating bulk and MEMS...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:Most of the piezoelectric energy harvesters (PEHs) discussed in Chapter 5 are based on mechanical vibrations. They generate maximum power when the resonant frequencies of the PEHs are matched with the frequency of the available vibrational sources. A slight deviation results in a...
作者:Ashok K. Batra , Almuatasim Alomari
来源:[B].SPIE PRESS2017SPIE
摘要:The process of acquiring the energy surrounding an energy system and converting it into usable electrical energy, i.e., power harvesting or scavenging, 1 has seen a surge of interest in the last few years. 2,3 This increase in research has been fostered...

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