publications by Henri P. Gavin.
Papers Published
- Gavin, Henri P., Control of seismically excited vibration using electrorheological materials and Lyapunov methods,
IEEE Transactions on Control Systems Technology, vol. 9 no. 1
(2001),
pp. 27-36 [87.896743], [doi] .
(last updated on 2014/02/13)Abstract:
This paper describes the use of electrorheologicai (ER) materials in a vibration control system designed to suppress earthquake-excited vibrations. A state-variable model for the ER device is based on micromechanical simulations and rheometric measurements of ER materials. A decentralized bang-bang control law is synthesized using Lyapunov's direct method and is implemented using analog circuitry. The behavior of the closed-loop system is illustrated on a small scale (1:15) building model driven by ground accelerations. The combined effects and relative importance of the controllable stiffness and damping properties of ER materials are examined.Keywords:
Lyapunov methods;Vibration control;Feedback control;Earthquake resistance;Frequency domain analysis;MOSFET devices;