New proposal for bogie-mounted sensors using energy harvesting and wireless communications

作者：Ortiz Javier; Monje Pedro M^*; Zabala Nerea; Arsuaga Mikel; Etxaniz Josu; Aranguren Gerardo

来源：Proceedings of the Institution of Mechanical Engineers - Part F: Journal of Rail and Rapid Transit , 2014, 228(7): 807-820.

DOI：10.1177/0954409713495017

• Energy harvesting
• piezoelectric transducers
• rail monitoring
• rolling contact fatigue cracks

The goal of the research presented in this paper is to design and incorporate new technologies into railway bogie-mounted sensors. It is often impossible to connect the mounted systems to physical wires due to their location in an inaccessible position or the distance to the energy source. Therefore, another power source must be used to solve this problem. Energy harvesting technology is an increasingly popular solution that extracts energy from the ambient environment and transforms it into electrical energy. Using piezoelectric transducers, it is possible to transform the vibrations experienced by the bogie into energy that can be used to power the sensors. A prototype with multiple piezoelectric transducers has been designed, built and subjected to tests to validate the technology. The experimental results for all of the different configurations tested and levels of energy collected are presented.

• 出版日期2014-9