[1] S. Priya & D. J. Inman , Energy Harvesting Technologies, Springer Science, 2009.
[2] Williams, C.B. and Yates, R.B., Analysis of a Micro-electric Generator for Microsystems, Sensors and Actuators A, 52, pp. 8-11 ,1996.
[3] Rupesh Patel, Modeling, Analysis and optimization of contilever piezoelectric energy harvesters, The University of Nottingham, 2012.
[4] IEEE Standard on piezoelectricity, ANSI/IEEE Std 176-1987, pp. 0-1, 1988.
[5] Ebrahimi F (2013) piezoelectric materials and devices: apllications in engineering and medical sciences. CRC Press.
[6] Umeda, M. Nakamura, K., “Analysis of the Transformation of Mechanical Impact Energy to Electric Energy Using Piezoelectric Vibrator”, Japanese Journal of Applied Physics, Vol. 35, No. 5S, pp. 3267, 1996.
[7] J. Ajitsaria, S. Y. Choe, Modeling and analysis of a bimorph piezoelectric cantilever beam for voltage generation, Smart Materials and Strctures, Vol. 16,No. 2,pp. 447,2007.
[8] A. Erturk, D. J. Inman, An experimentally validated bimorph cantilever model for piezoelectric energy harvesting from base excitations, Smart Materials and Strctures, Vol. 18,No. 2,pp.025009, 2009.
[9] A. Erturk, D. J. Inman, On Mechanical Modeling of Cantilevered Piezoelectric Vibration Energy Harvesters, Journal of intelligent Material Systems and Strctures, Vol. 19,No. 11,pp.1311-1325, 2008.
[10] N.H. Diyana Nordin, Asan G.A. Muthalif, Optimal Piezoelectric Beam Shape for single and broadband vibration energy harvesting, Mechanical Systems and Signal Processing, Vol. 14, No. 12,pp.417-426, 2015.
[11] Patel R, McWilliam S, Popov A (2011) a geometric parameter study of piezoelectric coverage on a rectangular cantilever energy harvester. Smart Material and Strcture 20(8): 085004.
[12] Roundy S., Wright P. K, a piezoelectric vibration based generator for wireless electronics, Smart Material and Strcture, Vol. 13,pp.1131-1142, 2004.
[13] Shu Y. C., Lien I. C., Analysis of power output for piezoelectric energy harvesting system, Smart Material and Strcture, Vol. 15,pp.1499-1512, 2006.
[14] K. Jahani, M. Asgharzadeh, Energy Harvesting Investigation From Unimorph Trapezoidal Beam Vibrations Using Distibuted Parameters Method, journal mechanic modares, Vol.14,No.2,pp.96-102,2014.
[15] A. Kianpoor, K. Jahani, Investigating the Effects of Geometrical Parameters on the Performance of Piezoelectric Energy Harvesters Under Harmonic base Vibration Using Analytical, Magazine Engineering Mechanic , Vol.75,No.66,pp. 111-123,2015.
[16] F. Azarikam, M. Sadr, Energy Harvesting System from Enviromental Vibrations with Piezoelectric Materials, 16th conference International Association of Aerospace Iran.
[17] M. Pashna,M. Farrokh ,S. Irani, A comparison between finite element and separation of variables method in investigating frequency behavior of Bimorph piezoelectric beam, 16th conference International Association of Aerospace Iran.
[18] M R Pearson, M J Eaton, R Pullin “Energy Harvesting for Aerospace Strctural Health Monitoring Systems. Journal of Physics: Conference Series 382 Jul 2012.
[19] Rao SS (2007) Vibration of continuous systems. John Wiley & Sons.
[20] Rios LM, Sahinidis NV, “Derivative-free optimization: a review of algorithms and comparison of software implementations. Journal of Global Optimization”Vol. 56, No.3, pp. 1247-93. Jul 2013.
[21]Optimization module user’s guide, www.comsol.com/patents, 2018.
[22] Powell, M. J. D. (June 2009). Least Frobenius norm Updating of quadratic models that satisfy interpolation conditions, Mathematical Programming Springer. 183-215.
[23] WH. Teukolsky, SA. Verreling, WT. Flannery, (2007). Section 10.5. Downhill Simplex Method
in Multi Dimensions, Computing (3re ed). New York. Cambridge University Press.