A close inspection and vibration sensing aerial robot for steel structures with an EPM-based landing device

Kazuya Takeuchi; Arata Masuda; Shunsuke Akahori; Yoshiyuki Higashi; Nanako Miura

doi:10.1117/12.2260386

19 April 2017 A close inspection and vibration sensing aerial robot for steel structures with an EPM-based landing device

Kazuya Takeuchi, Arata Masuda, Shunsuke Akahori, Yoshiyuki Higashi, Nanako Miura

Author Affiliations +

Proceedings Volume 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017; 101692U (2017) https://doi.org/10.1117/12.2260386
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

This paper proposes an aerial robot that can land on and cling to a steel structure using electric permanent magnets to be- have as a vibration sensor probe for use in vibration-based structural health monitoring. In the last decade, structural health monitoring techniques have been studied intensively to tackle with serious social issues that most of the infrastructures in advanced countries are being deteriorated. In the typical concept of the structural health monitoring, vibration sensors like accelerometers are installed in the structure to continuously collect the dynamical response of the operating structure to find a symptom of the structural damage. It is unreasonable, however, to permanently deploy the sensors to numerous infrastructures because most of the infrastructures except for those of primary importance do not need continuous measurement and evaluation. In this study, the aerial robot plays a role of a mobile detachable sensor unit. The design guidelines of the aerial robot that performs the vibration measurement from the analysis model of the robot is shown. Experiments to evaluate the frequency response function of the acceleration measured by the robot with respect to the acceleration at the point where the robot adheres are carried out. And the experimental results show that the prototype robot can measure the acceleration of the host structure accurately up to 150 Hz.

Citation Download Citation

Kazuya Takeuchi, Arata Masuda, Shunsuke Akahori, Yoshiyuki Higashi, and Nanako Miura "A close inspection and vibration sensing aerial robot for steel structures with an EPM-based landing device", Proc. SPIE 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017, 101692U (19 April 2017); https://doi.org/10.1117/12.2260386

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