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TECHNOLOGY & PATENTS:



Vibration Control by Confinement (VCC)

Energy Flow Control (EFC)

USA and International Patents


control mount, isolation product vibration, isolation mount vibration, isolation vibration

  • 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
vibration isolation mount, isolation vibration, vibration control mount, pneumatic, leg, tmc,post
Publications

Abstract

Title: Smart Isolation Mount for Army Guns - Part I: Preliminary Results

Author: Daryoush Allaei (QRDC, Inc.), David Tarnowski (QRDC, Inc), Michael S. Mattice (ADAWS - US Army), and Robert Testa (ADAWS - US Army)

The work reported in this paper is focused an cost effective and efficient solution, namely Smart Isolation Mount for Army Guns (SIMAG), to the weapon stabilization and fire control issues facing US Army guns. SIMAG is composed of the optimum integration of two innovative technologies, namely Vibration Control by Confinement and smart sensor/actuator/active control systems. Our goal is to combine these two complementary approaches in order to effectively address the firing issues at the gun mount and turret interface location. The combined approach could also be applied to the gun barrel to reduce its undesired vibratory motions excited by external and internal disturbances, such as gun firing frequency. Conceivably, SIMAG will be designed to first passively reconfigure the distribution and propagation of excess vibration energy (i.e., intentional management of excess vibration energy); and therefore, confine vibrations to certain non-critical regions within a structure. Concentrated passive, active, or smart damping elements or cancellation techniques may be applied to more effectively dissipate or cancel the trapped vibrations and to prevent an energy build up in the assembly. As the active elements, an array of collocated, PZT-based sensor-actuator sets will be utilized. Part of the active elements will be used for spatially managing excess vibration energy while the other part will be utilized for energy dissipation and cancellation. The unique feature of our SIMAG concept is the combination of the vibration energy management theory and smart sensor/actuator/control systems. SIMAG will make significant progress towards solving the firing control problems with affordable weight and power penalties by compensating for all errors in one of the two places, the turret-aircraft interface or gun barrel. Even though the initial target application of SIMAG is airborne guns, a modified version can be incorporated into ground armors, such as tanks and humvees. The preliminary results of our feasibility work on the SIMAG concept is demonstrated via computer simulations. It is shown that the insertion of SIMAG in a 30mm gun system results in a significant reduction in fluctuating loads and deformations.
125 Columbia Court, Suite 6, Chaska, MN 55318
phone 952.556.5205 | fax 952.556.5206
email arash@qrdc.com











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