“In recent years, sensor research has been undergoing a quiet revolution, promising to have significant impact on a broad range of applications relating to national security, health care, the environment, energy, food safety, and manufacturing. The convergence of the Internet, communications, and information technologies with techniques for miniaturization has placed sensor technology at the threshold of a period of major growth.”


National Science Foundation, Sensors and Sensor Network Program Solicitation



Welcome to the Electromechanical Systems (EMS) Laboratory!


Our Mission:

To advance the science base for sensing methodologies through invention, design, modeling, and deployment of novel sensors and energy-efficient sensor networks.


Our Objective:

To advance the state-of-the-art of sensing technologies for the health monitoring, diagnosis, and prognosis of manufacturing machines.

Professor Robert X. Gao

Director, EMS Laboratory



Research Thrusts:

1)        Embedded Sensing: design, modeling, and structural integration of sensors into manufacturing equipment and processes for improved observability and integrated machine health management;

2)        Wireless Sensor Networks: design, analysis, and realization of embedded algorithms for event-driven, coordination-based, and energy-efficient information acquisition;

3)        Signal Processing: multi-domain signal decomposition and analysis for machine defect identification, severity diagnosis, and remaining service life prognosis.


Research Approach:

Our research takes a mechatronics approach, striving for a synergistic integration of dynamic system modeling, microelectronics design, smart materials, vibro-acoustic analysis, embedded controls, and electromechanical packaging, to provide innovative sensing solutions to various challenging problems. Since its founding in 1995, research at the EMS Lab has been continually sponsored by various funding agencies and conducted in close collaboration with our industry partners.


Research Projects: