A smart and self-sufficient frequency tunable vibration energy harvester

Towards an autonomous self-tuning vibration energy harvesting device for wireless sensor network applications

(2011) Vinod R Challa et al.   Smart Materials and Structures

Self-Tuning Electrostatic Energy-Harvester IC

(2010) Erick O. Torres et al.   IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS

Frequency Self-tuning Scheme for Broadband Vibration Energy Harvesting

(2010) Mickaël Lallart et al.   JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES

Electromagnetic vibration harvester with piezoelectrically tunable resonance frequency

(2010) M Wischke et al.   JOURNAL OF MICROMECHANICS AND MICROENGINEERING

Resonator with magnetically adjustable natural frequency for vibration energy harvesting

(2010) Mohamed O. Mansour et al.   SENSORS AND ACTUATORS A-PHYSICAL

Bidirectional frequency tuning of a piezoelectric energy converter based on a cantilever beam

(2009) C Eichhorn et al.   JOURNAL OF MICROMECHANICS AND MICROENGINEERING