Digital Signal Processing Techniques for Active Structural Control

by B. F. Spencer, Jr., (M.ASCE), Univ. of Notre Dame, Notre Dame, United States,
P. Quast, Univ. of Notre Dame, Notre Dame, United States,
S. J. Dyke, Univ. of Notre Dame, Notre Dame, United States,
M. K. Sain, Univ. of Notre Dame, Notre Dame, United States,



Document Type: Proceeding Paper

Part of: Analysis and Computation

Abstract:

In the past, implementation of active structural control strategies employing PC-based hardware has been problematic due to excessive computational times required for processing the measured data and creating appropriate control forces. Recently developed hardware based on dedicated digital signal processing (DSP) chips has offered new possibilities for control algorithm implementation. This paper discusses implementation of active structural control strategies using the Texas Instruments TMS320C30 DSP chip. Experimental verification of the hardware performance is given. Using the DSP hardware, computational time delays are shown to have minimal impact on the control performance for the laboratory experiment.

Subject Headings: Structural control | Hydraulic structures | Active control | Signal processing | Traffic signals | Traffic delay | Control systems | Texas | United States

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