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A stochastic resonance mechanism of improving wideband and low frequency vibration energy harvesting of piezoelectric cantilever beam (PCB) is studied using the system nonlinearity. By adding a pair of rectangular permanent magnets, the structure of standard piezoelectric cantilever beam is improved. Results reveal that the improved PCB may be a bistable system under a nonlinear magnetic force and an appropriate distance between two magnets. Then a stochastic resonance phenomenon will happen by the input of wideband and low frequency stochastic vibrations. Under the condition of stochastic resonance, the electrical output of the improved PCB increases greatly. So the proposed method will be useful for extending the resonant band and improving the electrical output of a standard PCB.
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Keywords:
- piezoelectric cantilever beams /
- vibration energy harvesting /
- wideband and low frequency /
- stochastic resonance
[1] Robert B 2009 Sensor Review 3 194
[2] Roundy S 2005 J. Intel. Mat. Syst. Str. 16 809
[3] Williams C B, Yates R B 1996 Sens. Actuators A 52 8
[4] Stephen N G 2006 J. Sound Vib. 293 409
[5] Roundy S, Wright P K 2004 Smart Mater. Struct. 13 1131
[6] Erturk A, Inman D J 2008 J. Intel. Mat. Syst. Str. 19 1311
[7] Dai X Z, Wen Y M, Li P, Yang J, Jiang X F 2010 Acta Phys. Sin. 59 2137(in Chinese) [代显智、文玉梅、李 平、杨 进、江小芳 2010 物理学报59 2137]
[8] Minazaraa E, Vasica D, Costaa F, Poulin G 2006 Ultrasonics 44 699
[9] Wen Z Y, Wen Z Q, He X F, Liao H Y, Liu H T 2008 Chin. J. Mech. Eng. 44(11) 75(in Chinese)[温志渝、温中泉、贺学锋、廖海洋、刘海涛 2008 机械工程学报 44(11) 75]
[10] Fauve S, Heslot F 1983 Phys. Rev. Lett. 97A 5
[11] Zhang L, Liu L, Cao L 2010 Acta Phys. Sin. 59 1494 (in Chinese) [张 莉、刘 立、曹力 2010 物理学报 59 1494]
[12] Shu Y C, Lien I C 2006 Smart Mater. Struct. 3 1499
[13] Lin M, Fang L M, Zheng Y J 2009 Chin. Phys. B 18 1725
[14] Leng Y G, Wang T Y, Guo Y, Wu Z Y 2007 Acta Phys. Sin. 56 30 (in Chinese) [冷永刚、王太勇、郭 焱、吴振勇 2007 物理学报56 30]
[15] Wang Y 2007 J. Magn. Mater. Dev. 38(5) 49 (in Chinese)[王 瑜 2007 磁性材料及器件 38(5) 49]
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[1] Robert B 2009 Sensor Review 3 194
[2] Roundy S 2005 J. Intel. Mat. Syst. Str. 16 809
[3] Williams C B, Yates R B 1996 Sens. Actuators A 52 8
[4] Stephen N G 2006 J. Sound Vib. 293 409
[5] Roundy S, Wright P K 2004 Smart Mater. Struct. 13 1131
[6] Erturk A, Inman D J 2008 J. Intel. Mat. Syst. Str. 19 1311
[7] Dai X Z, Wen Y M, Li P, Yang J, Jiang X F 2010 Acta Phys. Sin. 59 2137(in Chinese) [代显智、文玉梅、李 平、杨 进、江小芳 2010 物理学报59 2137]
[8] Minazaraa E, Vasica D, Costaa F, Poulin G 2006 Ultrasonics 44 699
[9] Wen Z Y, Wen Z Q, He X F, Liao H Y, Liu H T 2008 Chin. J. Mech. Eng. 44(11) 75(in Chinese)[温志渝、温中泉、贺学锋、廖海洋、刘海涛 2008 机械工程学报 44(11) 75]
[10] Fauve S, Heslot F 1983 Phys. Rev. Lett. 97A 5
[11] Zhang L, Liu L, Cao L 2010 Acta Phys. Sin. 59 1494 (in Chinese) [张 莉、刘 立、曹力 2010 物理学报 59 1494]
[12] Shu Y C, Lien I C 2006 Smart Mater. Struct. 3 1499
[13] Lin M, Fang L M, Zheng Y J 2009 Chin. Phys. B 18 1725
[14] Leng Y G, Wang T Y, Guo Y, Wu Z Y 2007 Acta Phys. Sin. 56 30 (in Chinese) [冷永刚、王太勇、郭 焱、吴振勇 2007 物理学报56 30]
[15] Wang Y 2007 J. Magn. Mater. Dev. 38(5) 49 (in Chinese)[王 瑜 2007 磁性材料及器件 38(5) 49]
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