Numerical Simulation and Optimization of a Two-degree-of-freedom Magnetic Levitation Vibration Energy Harvester for Bridges

DENG Lu, NIE Xinmin, BI Tao, He Wei

Abstract

  A two-degree-of-freedom magnetic levitation vibration energy harvester (TMEH) was designed, which can use the bridge vibration energy to provide continuous power for the sensors. The energy harvesting efficiency of the TMEH is much higher than that of the traditional single-degree-of-freedom magnetic levitation vibration energy harvester (SMEH). Firstly, the motion control equation and the electromechanical coupling equation of TMEH system were deduced. Then, the multi-objective optimization model of TMEH was established, and the design parameters were optimized by using the NSGA2 algorithm. Finally, the response characteristics of TMEH and SMEH under the harmonic excitation and normal vehicle-bridge vibration excitation were compared, respectively. The results show that: 1) After optimization by the NSGA2 method, TMEH can obtain a wider frequency band and higher output power;2) The energy harvesting efficiency of TMEH is significantly higher than that of the SMEH. Under harmonic vibration excitation and normal vehicle-bridge vibration excitation, the output power of TMEH is about two times higher than that of SMEH.

 

Keywords: vibration energy harvester,  bridge health monitoring,  vehicle-bridge interaction,  magnetic levitation,  multi-objective optimization



Full Text:

PDF


References


PEI Q, GUO X, ZHANG M Z. A review of health monitoring and damage detection of bridge structures [j]. Earthquake Engineering and Engineering Dynamics.2003.23( 2): 61 - 67. (In Chinese)

SIMJEE F I, CHOU P H. Efficient charging of supercapacitors for extended lifetime of wireless sensor nodes J]. IEEE Transactions on Power Electronic. 2008, 23(3): 1526-1536.

QIU Q Q, XIAO L Y, X1N S Q. et at. Research progress on vibration powered microgenerator [J]. Journal of Vibration and Shock. 2010. 29(9) : 191-195.(In Chinese)

BEEBY S P, TUDOR M J, WHITE N. Energy harvesting vibration sources for microsystems applications [ J ]. Measurement Science and Technology. 2006. 17<12>: R175 -R195.

WANG P H. DAI X H. ZHAO X L. A survey of micro electromagnetic vibration energy harvesters [J]. Journal of Vibration and Shock. 2007. 26(9) :94 - 98. (In Chinese)

AL1 S F. FRISWELL M 1. ADHIKAR1 S Analysis of energy harvesters for highway bridges [J]. Journal of Intelligent Material Systems &- Structures. 2011. 22( 16): 1929-1938.

SAZONOV E. LI H. CURRY D, et at. Self-powered sensors for monitoring of highway bridges [J]. IEEE Sensors Journal. 2009. 9 (11): 1422-1429.

HE Q. MÀÎ X Í, CHU D L. Analysis of the output performance on a micro two-degree-of-freedom bistable vibration energy harvester [J]. Micronanoelect ronic Technology, 2015 (12):779-785. (In Chinese)

MANN B. SIMS N. Energy harvesting from the nonlinear oscillations of magnetic levitation [J]. Journal of Sound and Vibration, 2009, 319(1):515 530.

GREEN P L. WORDEN K. ATALLAH K, et al. The benefits of Duffing-type nonlinearities and electrical optimisation of a mono-stable energy harvester under white Gaussian exeitations [J]. Journal of Sound and Vibration. 2012, 331 (20): 4504 - 4517.

ABED I, KACEM N, BOUAZIZI M. et al. Nonlinear 2-IX)Fs vibration energy harvester based on magnetic levitation [C]// Shock S- Vibration» Aircraft/Aerospace» and Energy Harvesting: Volume 9. Cham; Springer, 2015:39 - 45.

FOISAL A R M, HONG C, CHUNG G S. Multi-frequency electromagnetic energy harvester using a magnetic spring cantilever [J], Sensors and Actuators A; Physical, 2012, 182 (15):106-113.


Refbacks

  • There are currently no refbacks.