nonlinear dynamics

New insight into piezoelectric energy harvesting with mechanical and electrical nonlinearities

This letter investigates the piezoelectric energy harvesting system with mechanical and electricalnonlinearities. Through impedance model, nonlinear interface circuits for energy harvestingpurpose can be simplified as an electrical impedance with …

A dual-effect solution for broadband piezoelectric energy harvesting

Literature has shown that the bandwidth of a piezoelectric energy harvesting (PEH) system can be effectively broadened by introducingnonlinear mechanical dynamics. However, when connected to a practical PEH interface circuit for ac-to-dc conversion, …

Orbit Jumps of Monostable Energy Harvesters by a Bidirectional Energy Conversion Circuit

Nonlinear energy harvesters have been widely studied inthe last decade. Their broad bandwidth and relatively highpower output contribute to energy harvesting applications.However, the coexisting multiple orbits brought by thenonlinearity weaken the …

Bidirectional Energy Conversion Circuit

Motivation With the development of power electronics, it is not rare to find different types of power conversion circuits such as bidirectional or multidirectional energy conversion solutions, which mainly use active MOSFETs to guide the energy flow in the topologies.

A bidirectional energy conversion circuit for piezoelectric energy harvesting and vibration exciting purposes

Piezoelectric transducers provide a bidirectional channel for converting energy from mechanical form to electricalor in the opposite direction. Various applications were developed according to either of these two energy-flowprocesses. For example, …