Cyber-Physical Co-Design of Wireless Monitoring and Control for Civil Infrastructure

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Welcome to the wiki of the Structural Health Monitoring group at Washington University in St. Louis. This site is fairly new, so it may be a while before we have a fair number of pages here. You can also see us at our WashU page.

Cyber-Physical Co-Design of Wireless Monitoring and Control for Civil Infrastructure

The objective of this research is to develop advanced distributed monitoring and control systems for civil infrastructure. The approach uses a cyber-physical co-design of wireless sensor-actuator networks and structural monitoring and control algorithms. The unified cyber-physical system architecture and abstractions employ reusable middleware services to develop hierarchical structural monitoring and control systems.

The intellectual merit of this multi-disciplinary research includes (1) a unified middleware architecture and abstractions for hierarchical sensing and control; (2) a reusable middleware service library for hierarchical structural monitoring and control; (3) customizable time synchronization and synchronized sensing routines; (4) a holistic energy management scheme that maps structural monitoring and control onto a distributed wireless sensor-actuator architecture; (5) dynamic sensor and actuator activation strategies to optimize for the requirements of monitoring, computing, and control; and (6) deployment and empirical validation of structural health monitoring and control systems on representative lab structures and in-service multi-span bridges. While the system constitutes a case study, it will enable the development of general principles that would be applicable to a broad range of engineering cyber-physical systems.

This research will result in a reduction in the lifecycle costs and risks related to our civil infrastructure. The multi-disciplinary team will disseminate results throughout the international research community through open-source software and sensor board hardware. Education and outreach activities will be held in conjunction with the Asia-Pacific Summer School in Smart Structures Technology jointly hosted by the US, Japan, China, and Korea.

Team

Publications

G. Yan, W. Guo, S. Dyke, G. Hackmann and C. Lu, "Experimental Validation of a Multi-level Damage Localization Technique with Distributed Computation," Smart Structures and Systems, 6(5-6), July/August 2010.

  • Hackmann, G., Guo, W., Yan, G., Lu, C., and Dyke, S., "Cyber-Physical Codesign of Distributed Structural Health Monitoring With Wireless Sensor Networks," Proceedings of First International Conference on Cyber-Physical Systems (ICCPS 2010), 2010. [PDF] [BibTeX]

N. Castaneda, S. Dyke, C. Lu, F. Sun, and G. Hackmann, Experimental Deployment and Validation of a Distributed SHM System Using Wireless Sensor Networks, Structural Engineering and Mechanics, 32(6): 787-809, August 2009. G. Yan, S. Dyke, W. Song, G. Hackmann, and C. Lu, Structural Damage Localization with Tolerance to Large Time Synchronization Errors in WSNs, American Control Conference (ACC'09), June 2009.

G. Hackmann, F. Sun, N. Castaneda, C. Lu, and S. Dyke, A Holistic Approach to Decentralized Structural Damage Localization Using Wireless Sensor Networks, IEEE Real-Time Systems Symposium (RTSS'08), December 2008.

N. Castaneda, F. Sun, S. Dyke, C. Lu, A. Hope, and T. Nagayama, Experimental Validation of a Correlation-based Damage Detection Technique Using Imote2 Wireless Sensors, International Workshop on Structural Control and Monitoring, June 2008.

N. Castaneda, F. Sun, S. Dyke, C. Lu, A. Hope, and T. Nagayama, Implementation of a Correlation-based Decentralized Damage Detection Method Using Wireless Sensors, International Conference on Advances in Structural Engineering and Mechanics (ASEM), May 2008.

R. Veto, S.J. Dyke, L. Liu, P. Wang, F. Sun and C. Lu, Employing Wireless Sensing Technology in Smart Structures, China-Japan-US Symposium on Structural Control and Monitoring, October 2006.

E.H. Clayton, S.J. Dyke, and C. Lu, Monitoring Infrastructural Health: In-situ Damage Detection and Localization Utilizing Distributed Smart Sensor Technology, 4th World Conference on Structural Control and Monitoring, July 2006.

E.H. Clayton, Y. Qian, O. Orjih, S.J. Dyke, A. Mita and C. Lu, Off-the-Shelf Modal Analysis: Structural Health Monitoring with Motes, International Modal Analysis Conference, January 2006.


  • Hackmann, G., Sun, F., Castaneda, N., Lu, C., and Dyke, S., "A Holistic Approach to Decentralized Structural Damage Localization Using Wireless Sensor Networks," Proceedings of 29th IEEE Real-Time Systems Symposium (RTSS 2008), 2008. Published Version: [PDF] [BibTeX] Extended Technical Report: [PDF] [BibTeX]

Software

Presentations

  • Hackmann, G., "Cyber-Physical Codesign of Distributed Structural Health Monitoring With Wireless Sensor Networks", ICCPS 2010 presentation, April 13, 2010. [PPTX] [PDF]
  • Hackmann, G., "A Holistic Approach to Decentralized Structural Damage Localization Using Wireless Sensor Networks", RTSS 2008 presentation, December 1, 2008. [PPTX] [PDF]
  • "Implementation of Decentralized Damage Localization in Wireless Sensor Networks," by Fei Sun. MS Defense. In partial fulfillment of a Master's Degree in Computer Science. May 9, 2008. Download: pptx, pdf

Further Reading

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