Bio


Professor Chang's primary research interest is in the areas of multi-functional materials and intelligent structures with particular emphases on structural health monitoring, intelligent self-sensing diagnostics, and integrated health management for space and aircraft structures as well safety-critical assets and medical devices. His specialties include sensors and sensor network development, built-in self-diagnostics,  integrated diagnostics and prognostics, damage tolerance and failure analysis for composite materials, and advanced multi-physics computational methods for multi-functional structures. Most of his work involves system integration and multi-disciplinary engineering in structural mechanics, electrical engineering, signal processing, and multi-scale fabrication of materials. His recent research topics include: Integrated health management for aircraft structures, bio-inspired intelligent sensory materials for fly-by-feel autonomous vehicles, active sensing diagnostics for composite structures, self-diagnostics for high-temperature materials, etc.

Academic Appointments


Honors & Awards


  • Structural Health Monitoring (SHM) Lifetime Achievement Award, The Boeing Company (2004)
  • Best Paper Award, 3rd European Workshop on Structural Health Monitoring (2006)
  • Presidential Young Investigator Award, National Science Foundation (1988)
  • Best Paper Award, 7th International National Workshop on Structural Health Monitoring (2009)
  • Life-Time Achievement Award, SPIE NDE/SHM (2010)

Boards, Advisory Committees, Professional Organizations


  • Editor-in-Chief, Int. J. of Structural Health Monitoring (2012 - Present)
  • Fellow, American Institute of Aeronautics and Astronautics (2013 - Present)
  • Fellow, American Society of Mechanical Engineers (2013 - Present)

Professional Education


  • PhD, Michigan (1983)

2013-14 Courses


Postdoctoral Advisees


Journal Articles


  • Physics Based Temperature Compensation Strategy for Structural Health Monitoring STRUCTURAL HEALTH MONITORING 2011: CONDITION-BASED MAINTENANCE AND INTELLIGENT STRUCTURES, VOL 1 AND VOL 2 Roy, S., Lonkar, K., JANAPATI, V., Chang, F. 2011: 1139-1149
  • A Spider Web-Like Highly Expandable Sensor Network Advanced Materials Lanzara, G., Salowitz, N., Guo, Z., Chang, F. -K 2010; 41 (22): 44643-4648.

Conference Proceedings


  • A vision on stretchable bio-inspired networks for intelligent structures Salowitz, N., Guo, Z., Roy, S., Nardari, R., Li, Y. -H, Kopsaftopoulos, F., Chang, F. 2013
  • Sensor Network Configuration Effect on Detection Sensitivity of an Acousto-Ultrasound-based Active SHM System Janapati, V., Kopsaftopoulos, F., Roy, S., Mueller, I., Lee, S., J., Ladpli, P., Chang, F. 2013
  • Development of High Performance BS-PT Based Piezoelectric Transducer for Structural Health Monitoring of High-Temperature Polymer-Matrix Composite Structures Li, Y. -H., Kim, S. -J., Nardari, R., Oropeza, D., Chang, F. -K 2013
  • Screen Printed Piezoceramic Actuators/Sensors Microfabricated on Organic Films and Stretchable Networks Salowitz, N., Guo, Z., Kim, S. -J., Li, Y. -H, Lanzara, G., Chang, F. -K 2013
  • Monitoring Transverse Matrix Cracking in Composite Laminates Using Ultrasonic Guided Waves Larrosa, C., Chang, F. -K 2013
  • Structural damage detection using ultrasonic guided waves under varying ambient temperature and loading environments Roy, S., Ladpli, P., Lonkar, P., Chang, F. -K 2013
  • Design of Optimal Layout of Active Sensing Diagnostic Network for Achieving Highest Damage Detection Capability in Structures Janapati, V., Lonkar, K., Chang, F., K. 2012
  • Real-time prediction of impact-induced damage for composite structures based on failure analysis and efficient database methods Roy, S., Mueller, I., Janapati, V., Das, S., Chang, F. -K 2012
  • A Model-assisted Integrated Diagnostics for Structural Health Monitoring Lonkar, K., Janapati, V., Roy, S., Chang, F. -K 2012
  • Bio-inspired intelligent sensing materials for fly-by-feel autonomous vehicles Salowitz, N., Guo, Z., Kim, S., J., Li, Y. -H, Lanzara, G., Chang, F. -K 2012
  • Real time in-situ damage classification, quantification and diagnosis for composite structures Larrosa, C., Chang, F. -K 2012
  • Strain/Elongation Sensitive Metal-Coated Polyimide Microwires for Micro-Scaled Highly Expandable Sensor Networks Lanzara, G., Guo, Z., Salowitz, N., Chang, F. -K 2012
  • Bio-Inspired Smart Skin Based on Expandable Network Guo, Z., Kim, K., Lanzara, G., Salowitz, N., Peumans, P., Chang, F. -K 2011
  • Micro-Fabricated, Expandable Temperature Sensor Network for Macro-Scale Deployment in Composite Structures Guo, Z., Kim, K., Lanzara, G., Salowitz, N., Peumans, P., Chang, F. -K 2011
  • A Robust Impact Force Determination Technique for Complex Structures Mueller, I., Vonnieda, K., Das, S., Chang, F. -K 2011
  • Accelerated aging experiments for prognostics of damage growth in composite materials Saxena, A., Goebel, K., Larrosa, C., Janapati, V., Roy, S., Chang, F. -K 2011
  • Development of a bio-inspired stretchable network for intelligent composites Salowitz, N., Guo, Z., Li, Y. -H, Kim, K., Lanzara, G., Chen, Y., Chang, F. 2011
  • On the Performance Quantification of Active Sensing SHM Systems using Model-assisted POD Methods Mueller, I., Janapati, V., Banerjee, S., Lonkar, K., Roy, S., Chang, F. -K 2011
  • Characterization of temperature, load and damage effects using piezo-electric transducer patches based on fuzzy clustering Lopes, V., Gonsalez, C., da Silva, S., Roy, S., Kode, K., Sunor, F., Chang, F. 2011
  • Development of SEM-based PESEA Code for Modeling PZT Induced Acousto-ultrasonic Waves Propagating in Metallic & Composite Structures Lonkar, K., Chang, F. -K 2011
  • High Temperature Intelligent Composites Li, Y. -H., Kim, S. -J., Salowitz, N., Roy, S., Larrosa, C., Janapati, V., Chang, F. 2011
  • Damage classification in composite laminates, matrix micro-cracking and delamination Larrosa, C., Lonkar, K., Shankar, S., Chang, F. -K 2011
  • In-situ damage assessment of composite laminates via active sensor networks Larrosa, C., Janapati, V., Roy, S., Chang, F. -K 2011
  • An Integrated Health Management System for Real-Time Impact Monitoring and Prediction of Impact-Induced Damage on Composite Structures Mueller, I., Das, S., Roy, S., Janapati, V., Vonnieda, K., Zhang, D., Chang, F. 2010
  • The Needs for SHM Technology Classification Mueller, I., Chang, F. -K 2010
  • Multifunctional Sensor Nodes in Stretchable Network for Structural Health Monitoring Lanzara, G., Salowitz, N., Guo, Z., Chatterjee, D., Kim, K., Peumans, P., Chang, F. 2009
  • Design of Planar Electrodes for Multifunctional Piezoelectric Sensors Salowitz, N., Lanzara, G., Guo, Z., Rose, J., Chang, F. -K 2009
  • SACL Activities in Structural Health Monitoring Guo, Z., Mueller, I., Lanzara, G., Janapala, N., Lonkar, K., Mittal, A., Chang, F. 2009
  • Adhesive Layer Effects on Temperature-sensitive Lamb Waves Induced by Surface-mounted PZT Acutators Ha, S., Mittal, A., Lonkar, K., Chang, F. -K 2009
  • Model-Based Impact Monitoring by Inverse Methods using Particle Swarm Optimization Mueller, I., Chang, F. -K 2009
  • An integrated diagnostic to prognostic SHM technology for structural health management Mueller, I., Larrosa, C., Roy, S., Chang, F. -K 2009
  • A robust structural health monitoring technique for airframe structures Mueller, I., Chang, F. -K, Roy, S., Mittal, A., Lonkar, K., Larrosa, C. 2009
  • An integrated health management and prognostic technology for composites airframe structures Mueller, I., Larrosa, C., Roy, S., Mittal, A., Lonkar, K., Chang, F. -K 2009