Demonstration of UAV deployment and control of mobile wireless sensing networks for modal analysis of structures

Hao Zhou; Mitsuhito Hirose; William Greenwood; Yong Xiao; Jerome Lynch; Dimitrios Zekkos; Vineet Kamat

doi:10.1117/12.2223441

20 April 2016 Demonstration of UAV deployment and control of mobile wireless sensing networks for modal analysis of structures

Hao Zhou, Mitsuhito Hirose, William Greenwood, Yong Xiao, Jerome Lynch, Dimitrios Zekkos, Vineet Kamat

Author Affiliations +

Proceedings Volume 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016; 98031X (2016) https://doi.org/10.1117/12.2223441
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2016, Las Vegas, Nevada, United States

Abstract

Unmanned aerial vehicles (UAVs) can serve as a powerful mobile sensing platform for assessing the health of civil infrastructure systems. To date, the majority of their uses have been dedicated to vision and laser-based spatial imaging using on-board cameras and LiDAR units, respectively. Comparatively less work has focused on integration of other sensing modalities relevant to structural monitoring applications. The overarching goal of this study is to explore the ability for UAVs to deploy a network of wireless sensors on structures for controlled vibration testing. The study develops a UAV platform with an integrated robotic gripper that can be used to install wireless sensors in structures, drop a heavy weight for the introduction of impact loads, and to uninstall wireless sensors for reinstallation elsewhere. A pose estimation algorithm is embedded in the UAV to estimate the location of the UAV during sensor placement and impact load introduction. The Martlet wireless sensor network architecture is integrated with the UAV to provide the UAV a mobile sensing capability. The UAV is programmed to command field deployed Martlets, aggregate and temporarily store data from the wireless sensor network, and to communicate data to a fixed base station on site. This study demonstrates the integrated UAV system using a simply supported beam in the lab with Martlet wireless sensors placed by the UAV and impact load testing performed. The study verifies the feasibility of the integrated UAV-wireless monitoring system architecture with accurate modal characteristics of the beam estimated by modal analysis.

Citation Download Citation

Hao Zhou, Mitsuhito Hirose, William Greenwood, Yong Xiao, Jerome Lynch, Dimitrios Zekkos, and Vineet Kamat "Demonstration of UAV deployment and control of mobile wireless sensing networks for modal analysis of structures", Proc. SPIE 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016, 98031X (20 April 2016); https://doi.org/10.1117/12.2223441

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