Abstract
Abstract The paper summarized the experimental studies of adaptive structure vibration control in Nanjing University of Aeronautics and Astronautics (NUAA). Two kinds of experimental setups are constructed, i.e. an adaptive feedback control setup and an adaptive feedforward control setup. The former is used for free vibration control, and the control law is realized by the Intel 80X87 floating point processor. A Single Input and Single Output (SISO) control strategy is presented and extended to Multi-Input and Multi-Output (MIMO) systems. Its adaptabilities to the locations of sensors and actuators are also evaluated. The latter is suitable for forced vibration control, e.g. periodic vibration control and random vibration control. Its theoretical base is adaptive filtering theory. Its data acquisition and control law calculation are finished by the master/slave computers. The master computer — an IBM PC or a compatible PC — is responsible for data acquisition, and the slave computer — the TMS320C30 Digital Signal Processor (DSP) — calculates the control law. The results for both periodic vibration control and random vibration control are shown.
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