The simulation study on harvested power in synchronized switch harvesting on inductor

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Abstract

Different piezoelectric harvester interface circuits are demonstrated and compared through SPICE simulation. The simulations of the effect of switch triggering offset and switch on time duration on SSHI's power are performed. The inductor's quality factors in synchronized switch harvesting on inductor interface have important effect on the harvested power. Parallel SSHI shows the optimal output voltage to harvest the maximum power varies according to the Q severely. It is concluded that switch triggering offset has more impact on the s-SSHI than p-SSHI and the switch on-time duration is more important in case of the p-SSHI. p-SSHI shows when the on-time duration becomes more than 1.3 times or less than 0.7 times of exact duration time, the harvested power gets negligible. s-SSHI reveals the characteristics that when less than 1.5 times exact on-time duration, the harvested power varies significantly with the on-time duration. © 2013 Springer Science+Business Media Dordrecht(Outside the USA).

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Park, J. W., Kim, H., Shin, C. S., Cho, K., Cho, Y. Y., & Kim, K. (2013). The simulation study on harvested power in synchronized switch harvesting on inductor. In Lecture Notes in Electrical Engineering (Vol. 240 LNEE, pp. 691–697). https://doi.org/10.1007/978-94-007-6738-6_85

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