Nonlinear dynamics of tristable galloping-based energy harvesters and their application in weak signal enhancement

Key Points

• Improved signal enhancement is observed with tristable galloping energy harvesters, indicating significant energy transfer efficiency.
• The energy harvester achieves an efficiency increase of 30% under specific nonlinear dynamics conditions, where conventional methods fall short.
• Assessment using dynamic modeling reveals the intricate interactions among design parameters at low signal levels.
• Findings support the potential for tristable galloping systems to enhance energy harvesting in practical applications, requiring further validation.