The reserach activities in this lab are focused on the development of control logic for dynamic systems. Our sponsors include:
Signature Research Line
The Delayed Resonator for Active Vibration Control
Novel tecniques for the design of vibration absorbers using delayed feedback for tuning. This project was featured in CNN Science and Technology Week (Click to see the video) .
Recent research areas are:
Prediction and control of Thermoacoustic Instabilities
Thermoacoustic instability was first discovered in the 19th century in a device called “Rijke tube”. After nearly two centuries, it remains a common problem in modern combustors, especially in gas turbines and aero engines that utilize lean-premixed combustion. The mathematical model of the phenomenon is a time-delay system and currently the stability characteristics are analyzed using linearized models and the CTCR paradigm. Recently the stability analysis principles were also used to synthesize stabilizing control laws.
Time Delay Systems and CTCR (Cluster Treatment of Characteristic Roots) Paradigm
Earlier unrecognized mathematical features of Time Delayed Systems are introduced. Study covers new directions for stability analysis, and control synthesis.
A microscopic drilling technique Ros-Drill© (Rotationally Oscillating Drill) and control peripherals are introduced. Applications: IVF (in vitro fertilization), ICSI (introcytoplasmic sperm injection), cloning, fruitfly DNA transfers.
Swarm Dynamics, Control, and Time Delayed Communication
Biologically inspired swarm control strategies are developed. Flocking, area capture, and robustness issues are addressed. Consensus protocols with multiple time-delayed communication topologies are a recent focal point.