Inspec keywords: power convertors; DC-DC power convertors; energy harvesting; piezoelectric transducers; supercapacitors

Other keywords: supercapacitor charging; DC–DC converter; multiple piezoelectric energy harvesters; multiinput buck–boost converter; harvester; harvesting maximum power

Subjects: Power convertors and power supplies to apparatus; Control of electric power systems; Energy harvesting; Power electronics, supply and supervisory circuits; Piezoelectric devices