TECHNOLOGY & PATENTS:

Vibration Control by Confinement (VCC)

Energy Flow Control (EFC)

USA and International Patents

• 14 years of government and commercial projects
  
  
• 13 U.S. and international patents
  
  
• Expertise in noise/vibration/acoustics/shock analysis and control
  
  
• Capabilities in modeling simulation and analysis
  
  
• Capabilities in testing and evaluation
  
  
• Capabilites in field data collection and analysis
  
  
• Ability to secure government funds for R&D projects ($2.5 billion funding pool)
  
  
• Ability to secure sole source phase 3 awards

Publications

Abstract

Title: Sensor and Actuator Optimization Based on Confined Vibrations

Author: Daryoush Allaei (QRDC, Inc.) and Yin-Tsan Shih (QRDC. Inc.)

The main purpose of this paper is to report the preliminary results of a study to determine the influence of confined vibrations on the optimum locations of sensors and actuators. In order to effectively incorporate confined vibrations in the design stage of sensor/actuator arrays used in smart structures, a new design methodology is also introduced. A specified performance index based on the observability and controllability grammians of sensors and actuators, respectively, is utilized to evaluate the influence of confined vibrations on plate-type structural components. It is clearly demonstrated that modal confinement has a significant impact on the optimization of sensors and actuators. The proposed optimization procedure and design methodology is proven to be effective in addressing some of the important issues surrounding this subject.